X0306 4 2019-08-19 0001661181 Organogenesis Holdings Inc. ORGO 0001761175 Avista Capital Managing Member IV, LLC C/O AVISTA CAPITAL PARTNERS 65 EAST 55TH STREET, 18TH FLOOR NEW YORK NY 10022 true true 0001661187 Avista Acquisition Corp. 65 EAST 55TH STREET 18TH FLOOR NEW YORK NY 10022 true true 0001686388 Avista Acquisition, LLC 65 EAST 55TH STREET 18TH FLOOR NEW YORK NY 10022 true true 0001664176 Avista Capital Partners IV, L.P. C/O AVISTA CAPITAL PARTNERS 65 EAST 55TH STREET, 18TH FLOOR NEW YORK NY 10022 true true 0001664173 Avista Capital Partners (Offshore) IV, L.P. C/O AVISTA CAPITAL PARTNERS 65 EAST 55TH STREET, 18TH FLOOR NEW YORK NY 10022 true true 0001761195 Avista Capital Partners IV GP, L.P. C/O AVISTA CAPITAL PARTNERS 65 EAST 55TH STREET, 18TH FLOOR NEW YORK NY 10022 true true 0001069096 Dean Thompson C/O AVISTA CAPITAL PARTNERS 65 EAST 55TH STREET, 18TH FLOOR NEW YORK NY 10022 true true 0001374179 Burgstahler David F C/O AVISTA CAPITAL PARTNERS 65 EAST 55TH STREET, 18TH FLOOR NEW YORK NY 10022 true true Class A common stock 2019-08-19 4 A 0 389501 A 16999665 I See Notes Warrants (right to buy) 2019-08-19 4 D 0 4100000 D 2019-01-09 2023-12-10 Class A common stock 2050000 0 I See Notes This statement is being filed by the following Reporting Persons: Avista Acquisition Corp. (the "Sponsor"); Avista Acquisition LLC, which is the sole shareholder of the Sponsor; Avista Capital Partners IV, L.P. ("ACP Onshore"); Avista Capital Partners (Offshore) IV, L.P. ("ACP Offshore"); Avista Capital Partners IV GP, L.P. ("Avista GP"), which is the general partner of ACP Onshore and ACP Offshore; Avista Capital Managing Member IV, LLC, which is the general partner of Avista GP; Thomspon Dean; and David Burgstahler. Based on a ratio of 0.095 shares per warrant, ACP Onshore and ACP Offshore exchanged (with the Issuer) 2,055,510 warrants and 2,044,490 warrants, respectively, for 195,274 shares and 194,227 shares, respectively (the "Warrant Exchange"). Represents 7,996,925 shares of Common Stock owned directly by ACP Onshore and 7,954,049 shares of Common Stock owned directly by ACP Offshore, in each case, following the Warrant Exchange, and 1,048,691 shares of Common Stock owned directly by the Sponsor. Because of the relationship among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests.Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any. Joshua Tamaroff, an employee of an affiliate of the Reporting Persons, serves on the board of directors of the Issuer as a representative of the Reporting Persons. Each warrant entitled the holder to purchase from the Issuer shares of Common Stock at a price of $5.75 per-half share of Common Stock (or $11.50 per whole share), subject to adjustments. Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests. Exhibit 99.1 Joint Filer Information, incorporated herein by reference. See Exhibit 99.1 for Signatures incorporated herein by reference 2019-08-21