0001860782-24-000009.txt : 20240202 0001860782-24-000009.hdr.sgml : 20240202 20240202165443 ACCESSION NUMBER: 0001860782-24-000009 CONFORMED SUBMISSION TYPE: 8-K/A PUBLIC DOCUMENT COUNT: 14 CONFORMED PERIOD OF REPORT: 20240129 ITEM INFORMATION: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers FILED AS OF DATE: 20240202 DATE AS OF CHANGE: 20240202 FILER: COMPANY DATA: COMPANY CONFORMED NAME: 2seventy bio, Inc. CENTRAL INDEX KEY: 0001860782 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 863658454 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-40791 FILM NUMBER: 24592411 BUSINESS ADDRESS: STREET 1: 60 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02210 BUSINESS PHONE: 339-499-9300 MAIL ADDRESS: STREET 1: 60 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02210 8-K/A 1 tvst-20240129.htm 8-K/A tvst-20240129
0001860782False00018607822023-11-202023-11-20

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K/A
(Amendment No. 1)
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): January 29, 2024
2seventy bio, Inc.
(Exact name of registrant as specified in its charter)
Delaware
001-40791
86-3658454
(State or other jurisdiction
of incorporation)
(Commission File Number)(IRS Employer
Identification No.)
60 Binney Street,
02142
Cambridge, MA
(Address of principal executive offices)(Zip Code)
Registrant’s telephone number, including area code: (339) 499-9300
Not Applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading
symbol(s)
Name of each exchange on which registered
Common Stock, par value $0.0001 per shareTSVTThe NASDAQ Stock Market LLC
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company x
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o




Explanatory Note

This Amendment No. 1 to the Current Report on Form 8-K amends Item 5.02 of the Current Report on Form 8-K filed on January 30, 2024 (the “Original Form 8-K”) to correct the details of the equity compensation set forth in executive employment agreements. No other changes have been made to the Original Form 8-K.

Item 5.02Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
Chief Executive Officer Transition

On January 29, 2024, the Board appointed William D. Baird, III as the president and chief executive officer of the Company, effective as of the date of the Closing. Mr. Baird will also serve as the Company’s principal executive and as a member of the Board as a class I director. Mr. Baird, 52, has served as the Company’s chief operating officer since September 2023 and prior to that served as the Company’s chief financial officer since 2021. Previously, Mr. Baird served as chief financial officer of bluebird bio, Inc. from February 2019 until November 2021 and served as chief financial officer of Amicus Therapeutics, Inc. from April 2012 until February 2019.

There are no (i) family relationships, as defined in Item 401 of Regulation S-K, between Mr. Baird and any of the Company’s executive officers or directors, or any person nominated to become a director or executive officer, (ii) arrangements or understandings between Mr. Baird and any other person pursuant to which Mr. Baird was appointed as president and chief executive officer, or (iii) transactions in which Mr. Baird has an interest requiring disclosure under Item 404(a) of Regulation S-K.

On January 29, 2024, in connection with Mr. Baird’s appointment as the Company’s president and chief executive officer, the Company entered into an employment agreement with Mr. Baird (the “Baird Employment Agreement”) effective as of the date of the Closing. Under the Baird Employment Agreement, the Company will provide Mr. Baird with: (i) an initial annual base salary of $575,000, (ii) an annual target bonus of up to 55% of his base salary, and (iii) an initial equity grant of (x) an option to purchase 112,500 shares of Common Stock and (y) restricted stock units equal to 56,250 shares of Common Stock, each of which shall be pursuant and subject to the terms of the Company’s 2021 Stock Option and Incentive Plan (the “Stock Plan”) and appropriate stock option agreement and restricted stock unit agreement.

The Baird Employment Agreement provides that if Mr. Baird’s employment is terminated by the Company without cause or for good reason upon a change in control of the Company, subject to the execution of a separation agreement, including a release of claims, Mr. Baird will receive a severance payment equal to 1.5 times his base salary.

The foregoing description of the Baird Employment Agreement does not purport to be complete and is qualified in its entirety by the full text of the Baird Employment Agreement, a copy of which was filed with the Original Form 8-K and incorporated therein by reference.

Chief Financial Officer

On January 29, 2024, the Board appointed Victoria Eatwell as the chief financial officer of the Company, effective as of the date of the Closing. Ms. Eatwell will also serve as the Company’s principal financial officer and principal accounting officer. Ms. Eatwell, 38, has served as the Company’s SVP of finance since November 2021. Previously, Ms. Eatwell served in various finance roles of increasing responsibility at bluebird bio, Inc. from April 2015 until November 2021.

There are no (i) family relationships, as defined in Item 401 of Regulation S-K, between Ms. Eatwell and any of the Company’s executive officers or directors, or any person nominated to become a director or executive officer, (ii) arrangements or understandings between Ms. Eatwell and any other person pursuant to which Ms. Eatwell was appointed as chief financial officer, or (iii) transactions in which Ms. Eatwell has an interest requiring disclosure under Item 404(a) of Regulation S-K.




On January 29, 2024, in connection with Ms. Eatwell’s appointment as the Company’s chief financial officer, the Company entered into an employment agreement with Ms. Eatwell (the “Eatwell Employment Agreement”) effective as of the date of the Closing. Under the Eatwell Employment Agreement, the Company will provide Ms. Eatwell with: (i) an initial annual base salary of $425,000, (ii) an annual target bonus of up to 40% of her base salary, and (iii) an initial equity grant of (X) an option to purchase 85,000 shares of Common Stock and (y) restricted stock units for 42,500 shares of Common Stock, each of which shall be pursuant and subject to the terms of the Stock Plan and appropriate stock option agreement and restricted stock unit agreement.

The Eatwell Employment Agreement provides that if Ms. Eatwell’s employment is terminated by the Company without cause or for good reason upon a change in control of the Company, subject to the execution of a separation agreement, including a release of claims, Ms. Eatwell will receive a severance payment equal to her base salary.

The foregoing description of the Eatwell Employment Agreement does not purport to be complete and is qualified in its entirety by the full text of the Eatwell Employment Agreement, a copy of which was filed with the Original Form 8-K and incorporated therein by reference.





SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: February 2, 20242seventy bio, Inc.
By:/s/ Chip Baird
Chip Baird
Chief Operating Officer
(Principal Financial and Accounting Officer)


EX-101.SCH 2 tvst-20240129.xsd XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT 0000001 - Document - Document and Entity Information Document link:presentationLink link:calculationLink link:definitionLink EX-101.LAB 3 tvst-20240129_lab.xml XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT Security Exchange Name Security Exchange Name Title of 12(b) Security Title of 12(b) Security Written Communications Written Communications Local Phone Number Local Phone Number Trading Symbol Trading Symbol Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Address, State or Province Entity Address, State or Province Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Document Period End Date Document Period End Date Cover [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Pre-commencement Tender Offer Pre-commencement Tender Offer Soliciting Material Soliciting Material City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Document Type Document Type Amendment Flag Amendment Flag Entity Central Index Key Entity Central Index Key Entity Ex Transition Period Entity Ex Transition Period Entity File Number Entity File Number Entity Address, City or Town Entity Address, City or Town Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Registrant Name Entity Registrant Name EX-101.PRE 4 tvst-20240129_pre.xml XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT XML 5 R1.htm IDEA: XBRL DOCUMENT v3.24.0.1
Document and Entity Information Document
Nov. 20, 2023
Cover [Abstract]  
Document Type 8-K/A
Document Period End Date Jan. 29, 2024
Entity Registrant Name 2seventy bio, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-40791
Entity Tax Identification Number 86-3658454
Entity Address, Address Line One 60 Binney Street,
Entity Address, City or Town Cambridge
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02142
City Area Code 339
Local Phone Number 499-9300
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001 per share
Trading Symbol TSVT
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Central Index Key 0001860782
Amendment Flag false
EXCEL 7 Financial_Report.xlsx IDEA: XBRL DOCUMENT begin 644 Financial_Report.xlsx M4$L#!!0 ( -6&0E@'04UB@0 +$ 0 9&]C4')O<',O87!P+GAM M;$V./0L",1!$_\IQO;=!P4)B0-!2L+(/>QLOD&1#LD)^OCG!CVX>;QA&WPIG M*N*I#BV&5(_C(I(/ !47BK9.7:=N')=HI6-Y #OGDK7A.YNJQ<&4GPZ4A!0W_J=0U[R;UEA_6\#MI7E!+ P04 M " #5AD)8X<2__>\ K @ $0 &1O8U!R;W!S+V-O&ULS9)- M:L,P$$:O4K2WQW;<+H2C34)7+10::.E.2)-$Q/I!FF+G]I7=Q*&T!RAHHYE/ M;]Z .A6X\A%?H@\8R6"Z&VWO$E=AS8Y$@0,D=40K4YD3+C?W/EI)^1H/$*0Z MR0-"4U4/8)&DEB1A A9A(3+1:<551$D^7O!:+?CP&?L9IA5@CQ8=):C+&IB8 M)H;SV'=P TPPPFC3=P'U0IRK?V+G#K!+EU7K

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end XML 8 Show.js IDEA: XBRL DOCUMENT // Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission. Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105. var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0); e.removeAttribute('id');a.parentNode.appendChild(e)}} if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'} e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}} XML 9 report.css IDEA: XBRL DOCUMENT /* Updated 2009-11-04 */ /* v2.2.0.24 */ /* DefRef Styles */ ..report table.authRefData{ background-color: #def; border: 2px solid #2F4497; font-size: 1em; position: absolute; } ..report table.authRefData a { display: block; font-weight: bold; } ..report table.authRefData p { margin-top: 0px; } ..report table.authRefData .hide { background-color: #2F4497; padding: 1px 3px 0px 0px; text-align: right; } ..report table.authRefData .hide a:hover { background-color: #2F4497; } ..report table.authRefData .body { height: 150px; overflow: auto; width: 400px; } ..report table.authRefData table{ font-size: 1em; } /* Report Styles */ ..pl a, .pl a:visited { color: black; text-decoration: none; } /* table */ ..report { background-color: white; border: 2px solid #acf; clear: both; color: black; font: normal 8pt Helvetica, Arial, san-serif; margin-bottom: 2em; } ..report hr { border: 1px solid #acf; } /* Top labels */ ..report th { background-color: #acf; color: black; font-weight: bold; text-align: center; } ..report th.void { background-color: transparent; color: #000000; font: bold 10pt Helvetica, Arial, san-serif; text-align: left; } ..report .pl { text-align: left; vertical-align: top; white-space: normal; width: 200px; white-space: normal; /* word-wrap: break-word; */ } ..report td.pl a.a { cursor: pointer; display: block; width: 200px; overflow: hidden; } ..report td.pl div.a { width: 200px; } ..report td.pl a:hover { background-color: #ffc; } /* Header rows... */ ..report tr.rh { background-color: #acf; color: black; font-weight: bold; } /* Calendars... */ ..report .rc { background-color: #f0f0f0; } /* Even rows... */ ..report .re, .report .reu { background-color: #def; } ..report .reu td { border-bottom: 1px solid black; } /* Odd rows... */ ..report .ro, .report .rou { background-color: white; } ..report .rou td { border-bottom: 1px solid black; } ..report .rou table td, .report .reu table td { border-bottom: 0px solid black; } /* styles for footnote marker */ ..report .fn { white-space: nowrap; } /* styles for numeric types */ ..report .num, .report .nump { text-align: right; white-space: nowrap; } ..report .nump { padding-left: 2em; } ..report .nump { padding: 0px 0.4em 0px 2em; } /* styles for text types */ ..report .text { text-align: left; white-space: normal; } ..report .text .big { margin-bottom: 1em; width: 17em; } ..report .text .more { display: none; } ..report .text .note { font-style: italic; font-weight: bold; } ..report .text .small { width: 10em; } ..report sup { font-style: italic; } ..report .outerFootnotes { font-size: 1em; } XML 11 FilingSummary.xml IDEA: XBRL DOCUMENT 3.24.0.1 html 1 23 1 false 0 0 false 0 false false R1.htm 0000001 - Document - Document and Entity Information Document Sheet http://www.2seventybio.com/role/DocumentandEntityInformationDocument Document and Entity Information Document Cover 1 false false All Reports Book All Reports tvst-20240129.htm tvst-20240129.xsd tvst-20240129_lab.xml tvst-20240129_pre.xml http://xbrl.sec.gov/dei/2023 true false JSON 13 MetaLinks.json IDEA: XBRL DOCUMENT { "version": "2.2", "instance": { "tvst-20240129.htm": { "nsprefix": "tvst", "nsuri": "http://www.2seventybio.com/20240129", "dts": { "inline": { "local": [ "tvst-20240129.htm" ] }, "schema": { "local": [ "tvst-20240129.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd", "https://xbrl.sec.gov/dei/2023/dei-2023.xsd" ] }, "labelLink": { "local": [ "tvst-20240129_lab.xml" ] }, "presentationLink": { "local": [ "tvst-20240129_pre.xml" ] } }, "keyStandard": 23, "keyCustom": 0, "axisStandard": 0, "axisCustom": 0, "memberStandard": 0, "memberCustom": 0, "hidden": { "total": 2, "http://xbrl.sec.gov/dei/2023": 2 }, "contextCount": 1, "entityCount": 1, "segmentCount": 0, "elementCount": 24, "unitCount": 0, "baseTaxonomies": { "http://xbrl.sec.gov/dei/2023": 23 }, "report": { "R1": { "role": "http://www.2seventybio.com/role/DocumentandEntityInformationDocument", "longName": "0000001 - Document - Document and Entity Information Document", "shortName": "Document and Entity Information Document", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "tvst-20240129.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "tvst-20240129.htm", "first": true, "unique": true } } }, "tag": { "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "AmendmentFlag", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Amendment Flag", "label": "Amendment Flag", "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission." } } }, "auth_ref": [] }, "dei_CityAreaCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "CityAreaCode", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "City Area Code", "label": "City Area Code", "documentation": "Area code of city" } } }, "auth_ref": [] }, "dei_CoverAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "CoverAbstract", "lang": { "en-us": { "role": { "label": "Cover [Abstract]", "documentation": "Cover page." } } }, "auth_ref": [] }, "dei_DocumentPeriodEndDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentPeriodEndDate", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Document Period End Date", "label": "Document Period End Date", "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD." } } }, "auth_ref": [] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentType", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Document Type", "label": "Document Type", "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'." } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine1": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressAddressLine1", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Address Line One", "label": "Entity Address, Address Line One", "documentation": "Address Line 1 such as Attn, Building Name, Street Name" } } }, "auth_ref": [] }, "dei_EntityAddressCityOrTown": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressCityOrTown", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, City or Town", "label": "Entity Address, City or Town", "documentation": "Name of the City or Town" } } }, "auth_ref": [] }, "dei_EntityAddressPostalZipCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressPostalZipCode", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Postal Zip Code", "label": "Entity Address, Postal Zip Code", "documentation": "Code for the postal or zip code" } } }, "auth_ref": [] }, "dei_EntityAddressStateOrProvince": { "xbrltype": "stateOrProvinceItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressStateOrProvince", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, State or Province", "label": "Entity Address, State or Province", "documentation": "Name of the state or province." } } }, "auth_ref": [] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityCentralIndexKey", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Central Index Key", "label": "Entity Central Index Key", "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK." } } }, "auth_ref": [ "r1" ] }, "dei_EntityEmergingGrowthCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityEmergingGrowthCompany", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Emerging Growth Company", "label": "Entity Emerging Growth Company", "documentation": "Indicate if registrant meets the emerging growth company criteria." } } }, "auth_ref": [ "r1" ] }, "dei_EntityExTransitionPeriod": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityExTransitionPeriod", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Ex Transition Period", "label": "Entity Ex Transition Period", "documentation": "Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards." } } }, "auth_ref": [ "r7" ] }, "dei_EntityFileNumber": { "xbrltype": "fileNumberItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityFileNumber", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity File Number", "label": "Entity File Number", "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen." } } }, "auth_ref": [] }, "dei_EntityIncorporationStateCountryCode": { "xbrltype": "edgarStateCountryItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityIncorporationStateCountryCode", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Incorporation, State or Country Code", "label": "Entity Incorporation, State or Country Code", "documentation": "Two-character EDGAR code representing the state or country of incorporation." } } }, "auth_ref": [] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityRegistrantName", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Registrant Name", "label": "Entity Registrant Name", "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC." } } }, "auth_ref": [ "r1" ] }, "dei_EntityTaxIdentificationNumber": { "xbrltype": "employerIdItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityTaxIdentificationNumber", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Tax Identification Number", "label": "Entity Tax Identification Number", "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS." } } }, "auth_ref": [ "r1" ] }, "dei_LocalPhoneNumber": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "LocalPhoneNumber", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Local Phone Number", "label": "Local Phone Number", "documentation": "Local phone number for entity." } } }, "auth_ref": [] }, "dei_PreCommencementIssuerTenderOffer": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "PreCommencementIssuerTenderOffer", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Pre-commencement Issuer Tender Offer", "label": "Pre-commencement Issuer Tender Offer", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act." } } }, "auth_ref": [ "r3" ] }, "dei_PreCommencementTenderOffer": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "PreCommencementTenderOffer", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Pre-commencement Tender Offer", "label": "Pre-commencement Tender Offer", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act." } } }, "auth_ref": [ "r4" ] }, "dei_Security12bTitle": { "xbrltype": "securityTitleItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "Security12bTitle", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Title of 12(b) Security", "label": "Title of 12(b) Security", "documentation": "Title of a 12(b) registered security." } } }, "auth_ref": [ "r0" ] }, "dei_SecurityExchangeName": { "xbrltype": "edgarExchangeCodeItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "SecurityExchangeName", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Security Exchange Name", "label": "Security Exchange Name", "documentation": "Name of the Exchange on which a security is registered." } } }, "auth_ref": [ "r2" ] }, "dei_SolicitingMaterial": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "SolicitingMaterial", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Soliciting Material", "label": "Soliciting Material", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act." } } }, "auth_ref": [ "r5" ] }, "dei_TradingSymbol": { "xbrltype": "tradingSymbolItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "TradingSymbol", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Symbol", "label": "Trading Symbol", "documentation": "Trading symbol of an instrument as listed on an exchange." } } }, "auth_ref": [] }, "dei_WrittenCommunications": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "WrittenCommunications", "presentation": [ "http://www.2seventybio.com/role/DocumentandEntityInformationDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Written Communications", "label": "Written Communications", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act." } } }, "auth_ref": [ "r6" ] } } } }, "std_ref": { "r0": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b" }, "r1": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r2": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "d1-1" }, "r3": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "13e", "Subsection": "4c" }, "r4": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "14d", "Subsection": "2b" }, "r5": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Section": "14a", "Number": "240", "Subsection": "12" }, "r6": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "230", "Section": "425" }, "r7": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "7A", "Section": "B", "Subsection": "2" } } } ZIP 14 0001860782-24-000009-xbrl.zip IDEA: XBRL DOCUMENT begin 644 0001860782-24-000009-xbrl.zip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tvst-20240129_htm.xml IDEA: XBRL DOCUMENT 0001860782 2023-11-20 2023-11-20 0001860782 false 8-K/A 2024-01-29 2seventy bio, Inc. DE 001-40791 86-3658454 60 Binney Street, 02142 Cambridge MA 339 499-9300 false false false false Common Stock, par value $0.0001 per share TSVT NASDAQ true false