0000899243-18-009612.txt : 20180405 0000899243-18-009612.hdr.sgml : 20180405 20180405202108 ACCESSION NUMBER: 0000899243-18-009612 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 6 CONFORMED PERIOD OF REPORT: 20180403 FILED AS OF DATE: 20180405 DATE AS OF CHANGE: 20180405 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flint Jonathan A CENTRAL INDEX KEY: 0001295676 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36199 FILM NUMBER: 18741751 MAIL ADDRESS: STREET 1: 1000 WINTER STREET STREET 2: SUITE 3350 CITY: WALTHAM STATE: MA ZIP: 02451 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: POLARIS VENTURE PARTNERS IV LP CENTRAL INDEX KEY: 0001157864 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36199 FILM NUMBER: 18741748 BUSINESS ADDRESS: STREET 1: 1000 WINTER STREET STREET 2: SUITE 3350 CITY: WALTHAM STATE: MA ZIP: 024511215 BUSINESS PHONE: 7812900770 MAIL ADDRESS: STREET 1: 1000 WINTER STREET STREET 2: SUITE 3350 CITY: WALTHAM STATE: MA ZIP: 02451 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: POLARIS VENTURE PARTNERS ENTREPRENEURS FUND IV LP CENTRAL INDEX KEY: 0001170720 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36199 FILM NUMBER: 18741749 BUSINESS ADDRESS: STREET 1: 1000 WINTER STREET STREET 2: SUITE 3350 CITY: WALTHAM STATE: MA ZIP: 02451-1215 BUSINESS PHONE: 7812900770 MAIL ADDRESS: STREET 1: 1000 WINTER STREET STREET 2: SUITE 3350 CITY: WALTHAM STATE: MA ZIP: 02451 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Management Co IV LLC CENTRAL INDEX KEY: 0001295438 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36199 FILM NUMBER: 18741750 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 7812900770 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Management Co. V, L.L.C. CENTRAL INDEX KEY: 0001439589 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36199 FILM NUMBER: 18741747 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 781-290-0770 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Partners V, L.P. CENTRAL INDEX KEY: 0001439590 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36199 FILM NUMBER: 18741745 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 781-290-0770 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Partners Founders' Fund V, L.P. CENTRAL INDEX KEY: 0001439588 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36199 FILM NUMBER: 18741744 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 781-290-0770 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Partners Entrepreneurs' Fund V, L.P. CENTRAL INDEX KEY: 0001439587 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36199 FILM NUMBER: 18741746 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 781-290-0770 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Partners Special Founders' Fund V, L.P. CENTRAL INDEX KEY: 0001439586 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36199 FILM NUMBER: 18741743 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 781-290-0770 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MCGUIRE TERRANCE CENTRAL INDEX KEY: 0001117003 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36199 FILM NUMBER: 18741752 MAIL ADDRESS: STREET 1: C/O POLARIS VENTURE PARTNERS LP STREET 2: 1000 WINTER STREET, SUITE 3350 CITY: WALTHAM STATE: MA ZIP: 02154 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Pulmatrix, Inc. CENTRAL INDEX KEY: 0001574235 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 461821392 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 99 HAYDEN AVENUE STREET 2: SUITE 390 CITY: LEXINGTON STATE: MA ZIP: 02421 BUSINESS PHONE: (781) 357-2333 MAIL ADDRESS: STREET 1: 99 HAYDEN AVENUE STREET 2: SUITE 390 CITY: LEXINGTON STATE: MA ZIP: 02421 FORMER COMPANY: FORMER CONFORMED NAME: Ruthigen, Inc. DATE OF NAME CHANGE: 20130411 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2018-04-03 0 0001574235 Pulmatrix, Inc. PULM 0001117003 MCGUIRE TERRANCE C/O PULMATRIX, INC. 99 HAYDEN AVE., SUITE 390 LEXINGTON MA 02421 1 0 1 0 0001295676 Flint Jonathan A ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 0 0 1 0 0001295438 Polaris Venture Management Co IV LLC ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 0 0 1 0 0001170720 POLARIS VENTURE PARTNERS ENTREPRENEURS FUND IV LP ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 0 0 1 0 0001157864 POLARIS VENTURE PARTNERS IV LP ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 0 0 1 0 0001439589 Polaris Venture Management Co. V, L.L.C. ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 0 0 1 0 0001439587 Polaris Venture Partners Entrepreneurs' Fund V, L.P. ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 0 0 1 0 0001439590 Polaris Venture Partners V, L.P. ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 0 0 1 0 0001439588 Polaris Venture Partners Founders' Fund V, L.P. ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 0 0 1 0 0001439586 Polaris Venture Partners Special Founders' Fund V, L.P. ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 0 0 1 0 Common Stock 2018-04-03 4 P 0 345551 A 1556676 I See Footnotes Common Stock 2018-04-03 4 P 0 6478 A 29178 I See Footnotes Common Stock 2018-04-03 4 P 0 769989 A 3468190 I See Footnotes Common Stock 2018-04-03 4 P 0 15007 A 67729 I See Footnotes Common Stock 2018-04-03 4 P 0 5275 A 23875 I See Footnotes Common Stock 2018-04-03 4 P 0 7700 A 34587 I See Footnotes Series A Warrant (right to buy) 0.65 2018-04-03 4 P 0 345551 A 2018-04-03 2018-10-03 Common Stock 345551 345551 I See Footnotes Series B Warrant (right to buy) 0.75 2018-04-03 4 P 0 345551 A 2018-04-03 2023-04-03 Common Stock 345551 345551 I See Footnotes Series A Warrant (right to buy) 0.65 2018-04-03 4 P 0 6478 A 2018-04-03 2018-10-03 Common Stock 6478 6478 I See Footnotes Series B Warrant (right to buy) 0.75 2018-04-03 4 P 0 6478 A 2018-04-03 2023-04-03 Common Stock 6478 6478 I See Footnotes Series A Warrant (right to buy) 0.65 2018-04-03 4 P 0 769989 A 2018-04-03 2018-10-03 Common Stock 769989 769989 I See Footnotes Series B Warrant (right to buy) 0.75 2018-04-03 4 P 0 769989 A 2018-04-03 2023-04-03 Common Stock 769989 769989 I See Footnotes Series A Warrant (right to buy) 0.65 2018-04-03 4 P 0 15007 A 2018-04-03 2018-10-03 Common Stock 15007 15007 I See Footnotes Series B Warrant (right to buy) 0.75 2018-04-03 4 P 0 15007 A 2018-04-03 2023-04-03 Common Stock 15007 15007 I See Footnotes Series A Warrant (right to buy) 0.65 2018-04-03 4 P 0 5275 A 2018-04-03 2018-10-03 Common Stock 5275 5275 I See Footnotes Series B Warrant (right to buy) 0.75 2018-04-03 4 P 0 5275 A 2018-04-03 2023-04-03 Common Stock 5275 5275 I See Footnotes Series A Warrant (right to buy) 0.65 2018-04-03 4 P 0 7700 A 2018-04-03 2018-10-03 Common Stock 7700 7700 I See Footnotes Series B Warrant (right to buy) 0.75 2018-04-03 4 P 0 7700 A 2018-04-03 2023-04-03 Common Stock 7700 7700 I See Footnotes The reported securities were included within 345,551 Units purchased by Polaris Venture Partners IV, L.P. ("PVP IV") for $0.65 per Unit (each, a "Unit"). Each Unit consisted of one share of common stock, one Series A Warrant to purchase one share of common stock at an exercise price of $0.65 per share, and one Series B Warrant to purchase one share of common stock at an exercise price of $0.75 per share. Securities held of record by PVP IV. Polaris Venture Management Co. IV, L.L.C. ("PVM IV") is the general partner of PVP IV and Polaris Venture Partners Entrepreneurs' Fund IV, L.P. ("PVPE IV"). Each of Jonathan A. Flint and Terrance G. McGuire are the managing members of PVM IV. PVM IV disclaims beneficial ownership of these securities and this report shall not be deemed an admission that PVM IV is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of its pecuniary interest therein. Each of Jonathan A. Flint and Terrance G. McGuire, in their respective capacities with regard to PVM IV, may be deemed to have shared voting and dispositive power over the shares held by each of PVP IV and PVPE IV. Each of Messrs. Flint and McGuire disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein. The reported securities were included within 6,478 Units purchased by PVPE IV. Securities held of record by PVPE IV. The reported securities were included within 769,989 Units purchased by Polaris Venture Partners V, L.P. ("PVP V"). Securities held of record by PVP V. Polaris Venture Management Co. V, LLC ("PVM V") is the general partner of PVP V, Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSFF V") and Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"). Each of Jonathan A. Flint and Terrance G. McGuire are the managing members of PVM V. PVM V disclaims beneficial ownership of these securities and this report shall not be deemed an admission that PVM V is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of its pecuniary interest therein. Each of Jonathan A. Flint and Terrance G. McGuire, in their respective capacities with regard to PVM V, may be deemed to have shared voting and dispositive power over the shares held by each of PVP V, PVPFF V, PFPSFF V and PVPEF V. Each of Messrs. Flint and McGuire disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein. The reported securities were included within 15,007 Units purchased by PVPEF V. Securities held of record by PVPEF V. The reported securities were included within 5,275 Units purchased by PVPFF V. Securities held of record by PVPFF V. The reported securities were included within 7,700 Units purchased by PVPSFF V. Securities held of record by PVPSFF V. Exhibit 24 - Power of Attorney Polaris Venture Partners IV, L.P. Polaris Venture Partners Entrepreneurs' Fund IV, L.P. Polaris Venture Management Co. IV, L.L.C. Jonathan A. Flint Terrance G. McGuire /s/ Max Eisenberg, Attorney-in-Fact for Terrance McGuire 2018-04-05 /s/ Max Eisenberg, Attorney-in-Fact for Jonathan A. Flint 2018-04-05 /s/ Max Eisenberg, Attorney-in-Fact for Polaris Venture Management Co. IV, L.L.C. 2018-04-05 /s/ Max Eisenberg, Attorney-in-Fact for Polaris Venture Management Co. IV, L.L.C., general partner of Polaris Venture Partners Entrepreneurs' Fund IV, L.P. 2018-04-05 /s/ Max Eisenberg, Attorney-in-Fact for Polaris Venture Management Co. IV, L.L.C., general partner of Polaris Venture Partners IV, L.P. 2018-04-05 /s/ Max Eisenberg, Attorney-in-Fact for Polaris Venture Management Co. V, L.L.C. 2018-04-05 /s/ Max Eisenberg, Attorney-in-Fact for Polaris Venture Management Co. V, L.L.C., general partner of Polaris Venture Partners Entrepreneurs' Fund V, L.P. 2018-04-05 /s/ Max Eisenberg, Attorney-in-Fact for Polaris Venture Management Co. V, L.L.C., general partner of Polaris Venture Partners V, L.P. 2018-04-05 /s/ Max Eisenberg, Attorney-in-Fact for Polaris Venture Management Co. V, L.L.C., general partner of Polaris Venture Partners Founders' Fund V, L.P. 2018-04-05 /s/ Max Eisenberg, Attorney-in-Fact for Polaris Venture Management Co. V, L.L.C., general partner of Polaris Venture Partners Special Founders' Fund V, L.P. 2018-04-05 EX-24.1 2 attachment1.htm EX-24.1 DOCUMENT
                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

        The undersigned (the "Reporting Person") hereby constitutes and appoints
Max Benjamin Eisenberg, signing singly, with full power of substitution, as the
Reporting Person's true and lawful attorney in fact to:

        (1)    prepare, execute in the Reporting Person's name and on the
Reporting Person's behalf, and submit to the U.S. Securities and Exchange
Commission (the "SEC") a Form ID, including amendments thereto, and any other
documents necessary or appropriate to obtain codes and passwords enabling the
Reporting Person to make electronic filings with the SEC of Reports required by
Section 16(a) of the Securities Exchange Act of 1934 or any rule or regulation
of the SEC;

        (2)   prepare and file on behalf of such Reporting Person any and all
reports, notices, communications and other documents (including, but not limited
to, reports on Schedule 13D, Schedule 13G, Form 13-F, Form 3, Form 4 and Form 5)
that such Reporting Person may be required to file with the SEC pursuant to the
Securities Act of 1933, as amended (together with the implementing regulations
thereto, the "Act") and the Securities Exchange Act of 1934, as amended
(together with the implementing regulations thereto, the "Exchange Act")
(collectively, the "Reports") with respect to the Reporting Person's (a) status
as an officer or director of, or (b) ownership of, or transactions in, the
securities of, any entity whose securities are beneficially owned (directly or
indirectly) by the Reporting Person ("Portfolio Companies");

        (3)   do and perform any and all acts for and on behalf of the Reporting
Person which may be necessary or desirable to complete and execute any such
Reports, complete and execute any amendment or amendments thereto, and timely
file such form with the SEC and any stock exchange or similar authority; and

        (4)   take any other action of any type whatsoever in connection with
the foregoing which, in the opinion of such attorney in fact, may be of benefit
to, in the best interest of, or legally required by, the Reporting Person, it
being understood that the documents executed by such attorney in fact on behalf
of the Reporting Person pursuant to this Power of Attorney shall be in such form
and shall contain such terms and conditions as such attorney in fact may approve
in such attorney in fact's discretion.

        The Reporting Person hereby grants to such attorney in fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the Reporting
Person might or could do if personally present, with full power of substitution
or revocation, hereby ratifying and confirming all that such attorney in fact,
or such attorney in fact's substitute or substitutes, shall lawfully do or cause
to be done by virtue of this power of attorney and the rights and powers herein
granted. The Reporting Person acknowledges that the foregoing attorney in fact,
in serving in such capacity at the request of the Reporting Person, is not
assuming any of the Reporting Person's responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.

        This Power of Attorney with respect to the Reporting Person shall remain
in full force and effect until such Reporting Person is no longer required to
file any Reports with respect to the Reporting Person's ownership of, or
transactions in, the securities of Portfolio Companies, unless earlier revoked
in a signed writing delivered to the foregoing attorney in fact.

        IN WITNESS WHEREOF, the undersigned have caused this Power of Attorney
to be executed as of this 26th day of September, 2016.




                                  Polaris Venture Partners IV, L.P.

                                  By: Polaris Venture Management Co. IV, L.L.C.,
                                  its General Partner


                                  By:     /s/ Terrance McGuire
                                         ---------------------------------------
                                  Name:   Terrance McGuire
                                         ---------------------------------------
                                  Title:  Managing Member
                                         ---------------------------------------

EX-24.2 3 attachment2.htm EX-24.2 DOCUMENT
                                                                      EXHIBIT 24

                               POWER OF ATTORNEY


        The undersigned (the "Reporting Person") hereby constitutes and appoints
Max Benjamin Eisenberg, signing singly, with full power of substitution, as the
Reporting Person's true and lawful attorney in fact to:

        (1)    prepare, execute in the Reporting Person's name and on the
Reporting Person's behalf, and submit to the U.S. Securities and Exchange
Commission (the "SEC") a Form ID, including amendments thereto, and any other
documents necessary or appropriate to obtain codes and passwords enabling the
Reporting Person to make electronic filings with the SEC of Reports required by
Section 16(a) of the Securities Exchange Act of 1934 or any rule or regulation
of the SEC;

        (2)   prepare and file on behalf of such Reporting Person any and all
reports, notices, communications and other documents (including, but not limited
to, reports on Schedule 13D, Schedule 13G, Form 13-F, Form 3, Form 4 and Form 5)
that such Reporting Person may be required to file with the SEC pursuant to the
Securities Act of 1933, as amended (together with the implementing regulations
thereto, the "Act") and the Securities Exchange Act of 1934, as amended
(together with the implementing regulations thereto, the "Exchange Act")
(collectively, the "Reports") with respect to the Reporting Person's (a) status
as an officer or director of, or (b) ownership of, or transactions in, the
securities of, any entity whose securities are beneficially owned (directly or
indirectly) by the Reporting Person ("Portfolio Companies");

        (3)   do and perform any and all acts for and on behalf of the Reporting
Person which may be necessary or desirable to complete and execute any such
Reports, complete and execute any amendment or amendments thereto, and timely
file such form with the SEC and any stock exchange or similar authority; and

        (4)   take any other action of any type whatsoever in connection with
the foregoing which, in the opinion of such attorney in fact, may be of benefit
to, in the best interest of, or legally required by, the Reporting Person, it
being understood that the documents executed by such attorney in fact on behalf
of the Reporting Person pursuant to this Power of Attorney shall be in such form
and shall contain such terms and conditions as such attorney in fact may approve
in such attorney in fact's discretion.

        The Reporting Person hereby grants to such attorney in fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the Reporting
Person might or could do if personally present, with full power of substitution
or revocation, hereby ratifying and confirming all that such attorney in fact,
or such attorney in fact's substitute or substitutes, shall lawfully do or cause
to be done by virtue of this power of attorney and the rights and powers herein
granted. The Reporting Person acknowledges that the foregoing attorney in fact,
in serving in such capacity at the request of the Reporting Person, is not
assuming any of the Reporting Person's responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.

        This Power of Attorney with respect to the Reporting Person shall remain
in full force and effect until such Reporting Person is no longer required to
file any Reports with respect to the Reporting Person's ownership of, or
transactions in, the securities of Portfolio Companies, unless earlier revoked
in a signed writing delivered to the foregoing attorney in fact.

        IN WITNESS WHEREOF, the undersigned have caused this Power of Attorney
to be executed as of this 26th day of September, 2016.




                                  Polaris Venture Partners Entrepreneurs'
                                  Fund IV, L.P

                                  By: Polaris Venture Management Co. IV, L.L.C.,
                                  its General Partner


                                  By:     /s/ Terrance McGuire
                                         ---------------------------------------
                                  Name:   Terrance McGuire
                                         ---------------------------------------
                                  Title:  Managing Member
                                         ---------------------------------------

EX-24.3 4 attachment3.htm EX-24.3 DOCUMENT
                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

        The undersigned (the "Reporting Person") hereby constitutes and appoints
Max Benjamin Eisenberg, signing singly, with full power of substitution, as the
Reporting Person's true and lawful attorney in fact to:

        (1)    prepare, execute in the Reporting Person's name and on the
Reporting Person's behalf, and submit to the U.S. Securities and Exchange
Commission (the "SEC") a Form ID, including amendments thereto, and any other
documents necessary or appropriate to obtain codes and passwords enabling the
Reporting Person to make electronic filings with the SEC of Reports required by
Section 16(a) of the Securities Exchange Act of 1934 or any rule or regulation
of the SEC;

        (2)   prepare and file on behalf of such Reporting Person any and all
reports, notices, communications and other documents (including, but not limited
to, reports on Schedule 13D, Schedule 13G, Form 13-F, Form 3, Form 4 and Form 5)
that such Reporting Person may be required to file with the SEC pursuant to the
Securities Act of 1933, as amended (together with the implementing regulations
thereto, the "Act") and the Securities Exchange Act of 1934, as amended
(together with the implementing regulations thereto, the "Exchange Act")
(collectively, the "Reports") with respect to the Reporting Person's (a) status
as an officer or director of, or (b) ownership of, or transactions in, the
securities of, any entity whose securities are beneficially owned (directly or
indirectly) by the Reporting Person ("Portfolio Companies");

        (3)   do and perform any and all acts for and on behalf of the Reporting
Person which may be necessary or desirable to complete and execute any such
Reports, complete and execute any amendment or amendments thereto, and timely
file such form with the SEC and any stock exchange or similar authority; and

        (4)   take any other action of any type whatsoever in connection with
the foregoing which, in the opinion of such attorney in fact, may be of benefit
to, in the best interest of, or legally required by, the Reporting Person, it
being understood that the documents executed by such attorney in fact on behalf
of the Reporting Person pursuant to this Power of Attorney shall be in such form
and shall contain such terms and conditions as such attorney in fact may approve
in such attorney in fact's discretion.

        The Reporting Person hereby grants to such attorney in fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the Reporting
Person might or could do if personally present, with full power of substitution
or revocation, hereby ratifying and confirming all that such attorney in fact,
or such attorney in fact's substitute or substitutes, shall lawfully do or cause
to be done by virtue of this power of attorney and the rights and powers herein
granted. The Reporting Person acknowledges that the foregoing attorney in fact,
in serving in such capacity at the request of the Reporting Person, is not
assuming any of the Reporting Person's responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.

        This Power of Attorney with respect to the Reporting Person shall remain
in full force and effect until such Reporting Person is no longer required to
file any Reports with respect to the Reporting Person's ownership of, or
transactions in, the securities of Portfolio Companies, unless earlier revoked
in a signed writing delivered to the foregoing attorney in fact.

        IN WITNESS WHEREOF, the undersigned have caused this Power of Attorney
to be executed as of this 26th day of September, 2016.




                                  Polaris Venture Management Co. IV, L.L.C.


                                  By:     /s/ Terrance McGuire
                                         ---------------------------------------
                                  Name:   Terrance McGuire
                                         ---------------------------------------
                                  Title:  Managing Member
                                         ---------------------------------------

EX-24.4 5 attachment4.htm EX-24.4 DOCUMENT
                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

        The undersigned (the "Reporting Person") hereby constitutes and appoints
Max Benjamin Eisenberg, signing singly, with full power of substitution, as the
Reporting Person's true and lawful attorney in fact to:

        (1)    prepare, execute in the Reporting Person's name and on the
Reporting Person's behalf, and submit to the U.S. Securities and Exchange
Commission (the "SEC") a Form ID, including amendments thereto, and any other
documents necessary or appropriate to obtain codes and passwords enabling the
Reporting Person to make electronic filings with the SEC of Reports required by
Section 16(a) of the Securities Exchange Act of 1934 or any rule or regulation
of the SEC;

        (2)   prepare and file on behalf of such Reporting Person any and all
reports, notices, communications and other documents (including, but not limited
to, reports on Schedule 13D, Schedule 13G, Form 13-F, Form 3, Form 4 and Form 5)
that such Reporting Person may be required to file with the SEC pursuant to the
Securities Act of 1933, as amended (together with the implementing regulations
thereto, the "Act") and the Securities Exchange Act of 1934, as amended
(together with the implementing regulations thereto, the "Exchange Act")
(collectively, the "Reports") with respect to the Reporting Person's (a) status
as an officer or director of, or (b) ownership of, or transactions in, the
securities of, any entity whose securities are beneficially owned (directly or
indirectly) by the Reporting Person ("Portfolio Companies");

        (3)   do and perform any and all acts for and on behalf of the Reporting
Person which may be necessary or desirable to complete and execute any such
Reports, complete and execute any amendment or amendments thereto, and timely
file such form with the SEC and any stock exchange or similar authority; and

        (4)   take any other action of any type whatsoever in connection with
the foregoing which, in the opinion of such attorney in fact, may be of benefit
to, in the best interest of, or legally required by, the Reporting Person, it
being understood that the documents executed by such attorney in fact on behalf
of the Reporting Person pursuant to this Power of Attorney shall be in such form
and shall contain such terms and conditions as such attorney in fact may approve
in such attorney in fact's discretion.

        The Reporting Person hereby grants to such attorney in fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the Reporting
Person might or could do if personally present, with full power of substitution
or revocation, hereby ratifying and confirming all that such attorney in fact,
or such attorney in fact's substitute or substitutes, shall lawfully do or cause
to be done by virtue of this power of attorney and the rights and powers herein
granted. The Reporting Person acknowledges that the foregoing attorney in fact,
in serving in such capacity at the request of the Reporting Person, is not
assuming any of the Reporting Person's responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.

        This Power of Attorney with respect to the Reporting Person shall remain
in full force and effect until such Reporting Person is no longer required to
file any Reports with respect to the Reporting Person's ownership of, or
transactions in, the securities of Portfolio Companies, unless earlier revoked
in a signed writing delivered to the foregoing attorney in fact.

        IN WITNESS WHEREOF, the undersigned have caused this Power of Attorney
to be executed as of this 13th day of September, 2016.




                                  /s/ Jonathan A. Flint
                                  ------------------------
                                  Jonathan A. Flint

EX-24.5 6 attachment5.htm EX-24.5 DOCUMENT
                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

        The undersigned (the "Reporting Person") hereby constitutes and appoints
Max Benjamin Eisenberg, signing singly, with full power of substitution, as the
Reporting Person's true and lawful attorney in fact to:

        (1)    prepare, execute in the Reporting Person's name and on the
Reporting Person's behalf, and submit to the U.S. Securities and Exchange
Commission (the "SEC") a Form ID, including amendments thereto, and any other
documents necessary or appropriate to obtain codes and passwords enabling the
Reporting Person to make electronic filings with the SEC of Reports required by
Section 16(a) of the Securities Exchange Act of 1934 or any rule or regulation
of the SEC;

        (2)   prepare and file on behalf of such Reporting Person any and all
reports, notices, communications and other documents (including, but not limited
to, reports on Schedule 13D, Schedule 13G, Form 13-F, Form 3, Form 4 and Form 5)
that such Reporting Person may be required to file with the SEC pursuant to the
Securities Act of 1933, as amended (together with the implementing regulations
thereto, the "Act") and the Securities Exchange Act of 1934, as amended
(together with the implementing regulations thereto, the "Exchange Act")
(collectively, the "Reports") with respect to the Reporting Person's (a) status
as an officer or director of, or (b) ownership of, or transactions in, the
securities of, any entity whose securities are beneficially owned (directly or
indirectly) by the Reporting Person ("Portfolio Companies");

        (3)   do and perform any and all acts for and on behalf of the Reporting
Person which may be necessary or desirable to complete and execute any such
Reports, complete and execute any amendment or amendments thereto, and timely
file such form with the SEC and any stock exchange or similar authority; and

        (4)   take any other action of any type whatsoever in connection with
the foregoing which, in the opinion of such attorney in fact, may be of benefit
to, in the best interest of, or legally required by, the Reporting Person, it
being understood that the documents executed by such attorney in fact on behalf
of the Reporting Person pursuant to this Power of Attorney shall be in such form
and shall contain such terms and conditions as such attorney in fact may approve
in such attorney in fact's discretion.

        The Reporting Person hereby grants to such attorney in fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the Reporting
Person might or could do if personally present, with full power of substitution
or revocation, hereby ratifying and confirming all that such attorney in fact,
or such attorney in fact's substitute or substitutes, shall lawfully do or cause
to be done by virtue of this power of attorney and the rights and powers herein
granted. The Reporting Person acknowledges that the foregoing attorney in fact,
in serving in such capacity at the request of the Reporting Person, is not
assuming any of the Reporting Person's responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.

        This Power of Attorney with respect to the Reporting Person shall remain
in full force and effect until such Reporting Person is no longer required to
file any Reports with respect to the Reporting Person's ownership of, or
transactions in, the securities of Portfolio Companies, unless earlier revoked
in a signed writing delivered to the foregoing attorney in fact.

        IN WITNESS WHEREOF, the undersigned have caused this Power of Attorney
to be executed as of this 9th day of March, 2017.




                                  /s/ Terrance G. McGuire
                                  -----------------------
                                  Terrance G. McGuire