X0306 4 2020-03-12 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 2020-03-12 4 P 0 190887 3.6208 A 25166052 I See Notes Class A common stock 2020-03-12 4 P 0 141462 4.1734 A 25307514 I See Notes Class A common stock 2020-03-13 4 P 0 135000 4.3058 A 25442514 I See Notes Class A common stock 2020-03-16 4 P 0 75000 3.9751 A 25517514 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; Thompson Dean; and David Burgstahler. The number of securities reported represents an aggregate number of shares of Class A common stock of the Issuer ("Common Stock") purchased in multiple market transactions over a range of purchase prices. The price reported represents the weighted average price per share. Each Reporting Person undertakes to provide the staff of the SEC, the Issuer, or a stockholder of the Issuer, upon request, the number of shares of Common Stock purchased by the Reporting Person at each separate price within the range. Represents an aggregate of 95,700 shares of Common Stock purchased by ACP Onshore and 95,187 shares of Common Stock purchased by ACP Offshore. Purchase prices range from $2.98 to $3.97 per share, inclusive. Represents 12,091,097 shares of Common Stock owned directly by ACP Onshore, 12,026,264 shares of Common Stock owned directly by ACP Offshore, and 1,048,691 shares of Common Stock owned directly by the Sponsor. Represents an aggregate of 70,921 shares of Common Stock purchased by ACP Onshore and 70,541 shares of Common Stock purchased by ACP Offshore. Purchase prices range from $3.975 to $4.50 per share, inclusive. Represents 12,162,018 shares of Common Stock owned directly by ACP Onshore, 12,096,805 shares of Common Stock owned directly by ACP Offshore, and 1,048,691 shares of Common Stock owned directly by the Sponsor. Represents an aggregate of 67,681 shares of Common Stock purchased by ACP Onshore and 67,319 shares of Common Stock purchased by ACP Offshore. Purchase prices range from $4.02 to $4.47 per share, inclusive. Represents 12,229,699 shares of Common Stock owned directly by ACP Onshore, 12,164,124 shares of Common Stock owned directly by ACP Offshore, and 1,048,691 shares of Common Stock owned directly by the Sponsor. Represents an aggregate of 37,601 shares of Common Stock purchased by ACP Onshore and 37,399 shares of Common Stock purchased by ACP Offshore. Purchase prices range from $3.67 to $4.29 per share, inclusive. Represents 12,267,300 shares of Common Stock owned directly by ACP Onshore, 12,201,523 shares of Common Stock owned directly by ACP Offshore, 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. 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 2020-03-16