ORGO

SEC source: 0001661181-20-000037 · edgar.xml · nonDerivative · entry 1

NUSSDORF GLENN H · CIK 0001244191 · Director · 10% owner

Wisdom Starr · CIK 0001760694 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,447,823

F1 · shares: The reported securities were purchased and are held directly by Alan A. Ades, who is a member of the Group.

SEC source: 0001661181-20-000041 · edgar.xml · nonDerivative · entry 1

MACKIE WAYNE D · CIK 0001240034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 161,290

SEC source: 0001661181-21-000046 · edgar.xml · nonDerivative · entry 1

Wisdom Starr · CIK 0001760694 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 386,297

SEC source: 0001661181-20-000029 · edgar.xml · derivative · entry 1

Hagopian Henry III · CIK 0001821822 · Interim CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Class A Common Stock · 15,000 shares

Expires 2030-08-21

F1 · derivative.exercise_date: The option becomes exercisable in equal yearly installments over four years from the date of grant.

SEC source: 0001661181-20-000006 · edgar.xml · derivative · entry 4

Montecalvo Antonio S. · CIK 0001759261 · VP Health Policy & Contracting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 158,967

Underlying: Class A Common Stock · 158,967 shares

Expires 2030-04-22

F3 · derivative.exercise_date: The option becomes exercisable in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000006 · edgar.xml · nonDerivative · entry 2

Montecalvo Antonio S. · CIK 0001759261 · VP Health Policy & Contracting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,066

F1 · kind: Represents a grant of restricted stock units ("RSUs") under the Organogenesis Holdings Inc. ("Organogenesis") 2018 Equity Incentive Plan. Each RSU represents the contingent right to receive, upon vesting of the unit, one share of Organogenesis Class A common stock. The RSUs vest in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000023 · edgar.xml · nonDerivative · entry 1

Tamaroff Joshua Alexander · CIK 0001705548 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,564

F1 · kind: Represents a grant of restricted stock units ("RSUs") under the Organogenesis Holdings Inc. ("Organogenesis") 2018 Equity Incentive Plan. Each RSU represents the contingent right to receive, upon vesting of the unit, one share of Organogenesis Class A common stock. The RSUs vest in full on April 1, 2021.

SEC source: 0001661181-20-000021 · edgar.xml · nonDerivative · entry 1

Leibowitz Arthur S · CIK 0001467329 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,564

F1 · kind: Represents a grant of restricted stock units ("RSUs") under the Organogenesis Holdings Inc. ("Organogenesis") 2018 Equity Incentive Plan. Each RSU represents the contingent right to receive, upon vesting of the unit, one share of Organogenesis Class A common stock. The RSUs vest in full on April 1, 2021.

SEC source: 0001661181-20-000010 · edgar.xml · derivative · entry 2

Cunningham Timothy M. · CIK 0001757426 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 183,424

Underlying: Class A Common Stock · 183,424 shares

Expires 2030-04-22

F2 · derivative.exercise_date: The option becomes exercisable in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000010 · edgar.xml · nonDerivative · entry 1

Cunningham Timothy M. · CIK 0001757426 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,847

F1 · kind: Represents a grant of restricted stock units ("RSUs") under the Organogenesis Holdings Inc. ("Organogenesis") 2018 Equity Incentive Plan. Each RSU represents the contingent right to receive, upon vesting of the unit, one share of Organogenesis Class A common stock. The RSUs vest in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000012 · edgar.xml · derivative · entry 2

Grow Brian · CIK 0001759142 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 213,995

Underlying: Class A Common Stock · 213,995 shares

Expires 2030-04-22

F2 · derivative.exercise_date: The option becomes exercisable in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000012 · edgar.xml · nonDerivative · entry 1

Grow Brian · CIK 0001759142 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,767

F1 · kind: Represents a grant of restricted stock units ("RSUs") under the Organogenesis Holdings Inc. ("Organogenesis") 2018 Equity Incentive Plan. Each RSU represents the contingent right to receive, upon vesting of the unit, one share of Organogenesis Class A common stock. The RSUs vest in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000016 · edgar.xml · derivative · entry 2

Freedman Lori · CIK 0001410291 · VP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,310

Underlying: Class A Common Stock · 177,310 shares

Expires 2030-04-22

F2 · derivative.exercise_date: The option becomes exercisable in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000016 · edgar.xml · nonDerivative · entry 1

Freedman Lori · CIK 0001410291 · VP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,918

F1 · kind: Represents a grant of restricted stock units ("RSUs") under the Organogenesis Holdings Inc. ("Organogenesis") 2018 Equity Incentive Plan. Each RSU represents the contingent right to receive, upon vesting of the unit, one share of Organogenesis Class A common stock. The RSUs vest in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000019 · edgar.xml · nonDerivative · entry 1

MACKIE WAYNE D · CIK 0001240034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,564

F1 · kind: Represents a grant of restricted stock units ("RSUs") under the Organogenesis Holdings Inc. ("Organogenesis") 2018 Equity Incentive Plan. Each RSU represents the contingent right to receive, upon vesting of the unit, one share of Organogenesis Class A common stock. The RSUs vest in full on April 1, 2021.

SEC source: 0001661181-20-000014 · edgar.xml · derivative · entry 2

Bilbo Patrick · CIK 0001759203 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 224,185

Underlying: Class A Common Stock · 224,185 shares

Expires 2030-04-22

F2 · derivative.exercise_date: The option becomes exercisable in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000014 · edgar.xml · nonDerivative · entry 1

Bilbo Patrick · CIK 0001759203 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,835

F1 · kind: Represents a grant of restricted stock units ("RSUs") under the Organogenesis Holdings Inc. ("Organogenesis") 2018 Equity Incentive Plan. Each RSU represents the contingent right to receive, upon vesting of the unit, one share of Organogenesis Class A common stock. The RSUs vest in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000008 · edgar.xml · derivative · entry 2

Gillheeney Gary S. · CIK 0001757373 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 580,842

Underlying: Class A Common Stock · 580,842 shares

Expires 2030-04-22

F2 · derivative.exercise_date: The option becomes exercisable in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000008 · edgar.xml · nonDerivative · entry 1

Gillheeney Gary S. · CIK 0001757373 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 486,081

F1 · kind: Represents a grant of restricted stock units ("RSUs") under the Organogenesis Holdings Inc. ("Organogenesis") 2018 Equity Incentive Plan. Each RSU represents the contingent right to receive, upon vesting of the unit, one share of Organogenesis Class A common stock. The RSUs vest in equal annual installments over four years beginning April 1, 2020.

SEC source: 0001661181-20-000004 · edgar.xml · derivative · entry 4

Grow Brian · CIK 0001759142 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1

Underlying: Class A Common Stock · 1,150 shares

Expires 2020-04-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: 100% of the shares subject to the option are fully vested and exercisable.

SEC source: 0001661181-20-000004 · edgar.xml · nonDerivative · entry 2

Grow Brian · CIK 0001759142 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,279

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001140361-20-005973 · form4.xml · nonDerivative · entry 4

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 25,517,514

F2 · shares: 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.

F12 · shares: 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.

F2 · price: 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.

F13 · price: Purchase prices range from $3.67 to $4.29 per share, inclusive.

F14 · balance_after: 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.

F1 · ownership.nature: 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.

F15 · ownership.nature: 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.

F16 · ownership.nature: 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.

SEC source: 0001140361-20-005973 · form4.xml · nonDerivative · entry 3

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 25,442,514

F2 · shares: 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.

F9 · shares: 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.

F2 · price: 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.

F10 · price: Purchase prices range from $4.02 to $4.47 per share, inclusive.

F11 · balance_after: 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.

F1 · ownership.nature: 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.

F15 · ownership.nature: 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.

F16 · ownership.nature: 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.

SEC source: 0001140361-20-005973 · form4.xml · nonDerivative · entry 2

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 25,307,514

F2 · shares: 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.

F6 · shares: 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.

F2 · price: 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.

F7 · price: Purchase prices range from $3.975 to $4.50 per share, inclusive.

F8 · balance_after: 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.

F1 · ownership.nature: 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.

F15 · ownership.nature: 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.

F16 · ownership.nature: 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.

SEC source: 0001140361-20-005973 · form4.xml · nonDerivative · entry 1

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 25,166,052

F2 · shares: 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.

F3 · shares: 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.

F2 · price: 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.

F4 · price: Purchase prices range from $2.98 to $3.97 per share, inclusive.

F5 · balance_after: 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.

F1 · ownership.nature: 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.

F15 · ownership.nature: 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.

F16 · ownership.nature: 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.

SEC source: 0001661181-20-000002 · edgar.xml · derivative · entry 2

Gillheeney Gary S. · CIK 0001757373 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 397,900 shares

Expires 2020-02-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: 100% of the shares subject to the option are fully vested and exercisable.

SEC source: 0001661181-20-000002 · edgar.xml · nonDerivative · entry 1

Gillheeney Gary S. · CIK 0001757373 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 397,900

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001661181-20-000006 · edgar.xml · derivative · entry 3

Montecalvo Antonio S. · CIK 0001759261 · VP Health Policy & Contracting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 30,450 shares

Expires 2020-02-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: 100% of the shares subject to the option are fully vested and exercisable.

SEC source: 0001661181-20-000006 · edgar.xml · nonDerivative · entry 1

Montecalvo Antonio S. · CIK 0001759261 · VP Health Policy & Contracting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,932

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001140361-19-021634 · form4.xml · nonDerivative · entry 1

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 24,975,165

F2 · shares: Represents an aggregate of 3,008,064 shares of Common Stock purchased by ACP Onshore and 2,991,936 shares of Common Stock purchased by ACP Offshore in the Issuer's underwritten public offering (the "Offering") that was completed on November 26, 2019.

F3 · price: Represents the public offering price of $5.00 per share of Common Stock, without giving effect to the fee paid by the Issuer to Avista Capital Holdings, L.P., an affiliate of the Avista Funds ("Avista Management"), pursuant to the Fee Letter Agreement, dated November 19, 2019, among the Issuer, Avista Management and the Avista Funds, made in connection with the Offering, as described in the Issuer's Current Report on Form 8-K filed on November 22, 2019 and filed as Exhibit 10.1 thereto.

F2 · balance_after: Represents an aggregate of 3,008,064 shares of Common Stock purchased by ACP Onshore and 2,991,936 shares of Common Stock purchased by ACP Offshore in the Issuer's underwritten public offering (the "Offering") that was completed on November 26, 2019.

F1 · ownership.nature: 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" and together with ACP Onshore, the "Avista Funds"); 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001661181-20-000004 · edgar.xml · derivative · entry 3

Grow Brian · CIK 0001759142 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 667 shares

Expires 2019-10-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: 100% of the shares subject to the option are fully vested and exercisable.

SEC source: 0001661181-20-000004 · edgar.xml · nonDerivative · entry 1

Grow Brian · CIK 0001759142 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,129

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001661181-19-000021 · edgar.xml · nonDerivative · entry 1

KATZ MICHAEL W · CIK 0001279930 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,603

SEC source: 0001661181-19-000020 · edgar.xml · nonDerivative · entry 2

MACKIE WAYNE D · CIK 0001240034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $6.05 to $6.08, inclusive. The reporting person undertakes to provide to Organogenesis Holdings Inc. ("ORGO"), any security holder of ORGO, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (1) to this Form 4.

SEC source: 0001140361-19-016669 · form4.xml · nonDerivative · entry 2

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 18,975,165

F2 · shares: 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.

F6 · shares: Represents an aggregate of 207,507 shares of Common Stock purchased by ACP Onshore and 206,393 shares of Common Stock purchased by ACP Offshore.

F2 · price: 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.

F7 · price: Purchase prices range from $5.62 to $6.25 per share, inclusive.

F8 · balance_after: Represents 8,987,333 shares of Common Stock owned directly by ACP Onshore, 8,939,141 shares of Common Stock owned directly by ACP Offshore, and 1,048,691 shares of Common Stock owned directly by the Sponsor.

F1 · ownership.nature: 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.

F9 · ownership.nature: 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.

F10 · ownership.nature: 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.

SEC source: 0001661181-19-000020 · edgar.xml · nonDerivative · entry 1

MACKIE WAYNE D · CIK 0001240034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,968

SEC source: 0001661181-19-000019 · edgar.xml · nonDerivative · entry 3

MACKIE WAYNE D · CIK 0001240034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,010

SEC source: 0001140361-19-016669 · form4.xml · nonDerivative · entry 1

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 18,561,265

F2 · shares: 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.

F3 · shares: Represents an aggregate of 224,101 shares of Common Stock purchased by ACP Onshore and 222,899 shares of Common Stock purchased by ACP Offshore.

F2 · price: 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.

F4 · price: Purchase prices range from $5.365 to $5.905 per share, inclusive.

F5 · balance_after: Represents 8,779,826 shares of Common Stock owned directly by ACP Onshore, 8,732,748 shares of Common Stock owned directly by ACP Offshore, and 1,048,691 shares of Common Stock owned directly by the Sponsor.

F1 · ownership.nature: 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.

F9 · ownership.nature: 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.

F10 · ownership.nature: 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.

SEC source: 0001140361-19-016483 · form4.xml · nonDerivative · entry 3

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 18,114,265

F2 · shares: 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.

F9 · shares: Represents an aggregate of 6,016 shares of Common Stock purchased by ACP Onshore and 5,984 shares of Common Stock purchased by ACP Offshore.

F2 · price: 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.

F10 · price: Purchase prices range from $4.99 to $5.25 per share, inclusive.

F11 · balance_after: Represents 8,555,725 shares of Common Stock owned directly by ACP Onshore, 8,509,849 shares of Common Stock owned directly by ACP Offshore, and 1,048,691 shares of Common Stock owned directly by the Sponsor.

F1 · ownership.nature: 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.

F12 · ownership.nature: 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.

F13 · ownership.nature: 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.

SEC source: 0001661181-19-000019 · edgar.xml · nonDerivative · entry 2

MACKIE WAYNE D · CIK 0001240034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,877

F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $5.14 to $5.23, inclusive. The reporting person undertakes to provide to Organogenesis Holdings Inc. ("ORGO"), any security holder of ORGO, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (1) to this Form 4.

SEC source: 0001140361-19-016483 · form4.xml · nonDerivative · entry 2

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 18,102,265

F2 · shares: 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.

F6 · shares: Represents an aggregate of 12,534 shares of Common Stock purchased by ACP Onshore and 12,466 shares of Common Stock purchased by ACP Offshore.

F2 · price: 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.

F7 · price: Purchase prices range from $4.91 to $5.68 per share, inclusive.

F8 · balance_after: Represents 8,549,709 shares of Common Stock owned directly by ACP Onshore, 8,503,865 shares of Common Stock owned directly by ACP Offshore, and 1,048,691 shares of Common Stock owned directly by the Sponsor.

F1 · ownership.nature: 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.

F12 · ownership.nature: 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.

F13 · ownership.nature: 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.

SEC source: 0001661181-19-000019 · edgar.xml · nonDerivative · entry 1

MACKIE WAYNE D · CIK 0001240034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,000

SEC source: 0001661181-19-000015 · edgar.xml · nonDerivative · entry 1

Ades Alan A. · CIK 0001757286 · Director · 10% owner

ERANI ALBERT · CIK 0001074084 · Director · 10% owner

Erani Dennis · CIK 0001760685 · 10% owner

Organo PFG LLC · CIK 0001757580 · 10% owner

Organo Investors LLC · CIK 0001757573 · 10% owner

Alan Ades 2014 GRAT · CIK 0001757567 · 10% owner

Albert Erani Family Trust dated 12/29/2012 · CIK 0001760663 · 10% owner

Dennis Erani 2012 Issue Trust dated 12/20/12 · CIK 0001757455 · 10% owner

GN 2016 Organo 10-Year GRAT u/a/d September 30, 2016 · CIK 0001757452 · 10% owner

GN 2016 Family Trust u/a/d August 12, 2016 · CIK 0001757453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,961,823

F1 · shares: The reported securities were purchased and are held directly by Alan A. Ades, who is a member of the Group (as defined below).

F2 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $4.70 to $5.15, inclusive. The reporting person undertakes to provide to Organogenesis Holdings Inc. ("ORGO"), any security holder of ORGO, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4.

SEC source: 0001140361-19-016483 · form4.xml · nonDerivative · entry 1

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 18,077,265

F2 · shares: 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.

F3 · shares: Represents an aggregate of 250,673 shares of Common Stock purchased by ACP Onshore and 249,327 shares of Common Stock purchased by ACP Offshore.

F2 · price: 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.

F4 · price: Purchase prices range from $4.73 to $5.35 per share, inclusive.

F5 · balance_after: Represents 8,537,175 shares of Common Stock owned directly by ACP Onshore, 8,491,399 shares of Common Stock owned directly by ACP Offshore, and 1,048,691 shares of Common Stock owned directly by the Sponsor.

F1 · ownership.nature: 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.

F12 · ownership.nature: 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.

F13 · ownership.nature: 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.

SEC source: 0001661181-19-000016 · edgar.xml · nonDerivative · entry 1

NUSSDORF GLENN H · CIK 0001244191 · Director · 10% owner

Wisdom Starr · CIK 0001760694 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,961,823

F1 · shares: The reported securities were purchased and are held directly by Alan A. Ades, who is a member of the Group (as defined below).

F2 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $4.70 to $5.15, inclusive. The reporting person undertakes to provide to Organogenesis Holdings Inc. ("ORGO"), any security holder of ORGO, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4.

SEC source: 0001661181-19-000005 · edgar.xml · nonDerivative · entry 4

Ades Alan A. · CIK 0001757286 · Director · 10% owner

ERANI ALBERT · CIK 0001074084 · Director · 10% owner

Erani Dennis · CIK 0001760685 · 10% owner

Organo PFG LLC · CIK 0001757580 · 10% owner

Organo Investors LLC · CIK 0001757573 · 10% owner

Alan Ades 2014 GRAT · CIK 0001757567 · 10% owner

Albert Erani Family Trust dated 12/29/2012 · CIK 0001760663 · 10% owner

Dennis Erani 2012 Issue Trust dated 12/20/12 · CIK 0001757455 · 10% owner

GN 2016 Organo 10-Year GRAT u/a/d September 30, 2016 · CIK 0001757452 · 10% owner

GN 2016 Family Trust u/a/d August 12, 2016 · CIK 0001757453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,951,823

F5 · shares: The reported securities were purchased and are held directly by Albert Erani, who is a member of the Group.

F6 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $4.52 to $4.55, inclusive. The reporting person undertakes to provide to ORGO, any security holder of ORGO, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (6) to this Form 4.

SEC source: 0001140361-19-016217 · form4.xml · nonDerivative · entry 3

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 17,577,265

F2 · shares: 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.

F9 · shares: Represents an aggregate of 89,039 shares of Common Stock purchased by ACP Onshore and 88,561 shares of Common Stock purchased by ACP Offshore.

F2 · price: 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.

F10 · price: Purchase prices range from $4.52 to $4.90 per share, inclusive.

F11 · balance_after: Represents 8,286,502 shares of Common Stock owned directly by ACP Onshore, 8,242,072 shares of Common Stock owned directly by ACP Offshore, and 1,048,691 shares of Common Stock owned directly by the Sponsor.

F1 · ownership.nature: 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.

F12 · ownership.nature: 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.

F13 · ownership.nature: 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.

SEC source: 0001661181-19-000006 · edgar.xml · nonDerivative · entry 4

NUSSDORF GLENN H · CIK 0001244191 · Director · 10% owner

Wisdom Starr · CIK 0001760694 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,951,823

F5 · shares: The reported securities were purchased and are held directly by Albert Erani, who is a member of the Group.

F6 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $4.52 to $4.55, inclusive. The reporting person undertakes to provide to ORGO, any security holder of ORGO, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (6) to this Form 4.

SEC source: 0001661181-19-000005 · edgar.xml · nonDerivative · entry 3

Ades Alan A. · CIK 0001757286 · Director · 10% owner

ERANI ALBERT · CIK 0001074084 · Director · 10% owner

Erani Dennis · CIK 0001760685 · 10% owner

Organo PFG LLC · CIK 0001757580 · 10% owner

Organo Investors LLC · CIK 0001757573 · 10% owner

Alan Ades 2014 GRAT · CIK 0001757567 · 10% owner

Albert Erani Family Trust dated 12/29/2012 · CIK 0001760663 · 10% owner

Dennis Erani 2012 Issue Trust dated 12/20/12 · CIK 0001757455 · 10% owner

GN 2016 Organo 10-Year GRAT u/a/d September 30, 2016 · CIK 0001757452 · 10% owner

GN 2016 Family Trust u/a/d August 12, 2016 · CIK 0001757453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,946,823

F1 · shares: The reported securities were purchased and are held directly by Glenn H. Nussdorf, who is a member of the Group (as defined below).

F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $4.37 to $4.92, inclusive. The reporting person undertakes to provide to ORGO, any security holder of ORGO, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (4) to this Form 4.

SEC source: 0001140361-19-016217 · form4.xml · nonDerivative · entry 2

Avista Capital Managing Member IV, LLC · CIK 0001761175 · Director · 10% owner

Avista Acquisition Corp. · CIK 0001661187 · Director · 10% owner

Avista Acquisition, LLC · CIK 0001686388 · Director · 10% owner

Avista Capital Partners IV, L.P. · CIK 0001664176 · Director · 10% owner

Avista Capital Partners (Offshore) IV, L.P. · CIK 0001664173 · Director · 10% owner

Avista Capital Partners IV GP, L.P. · CIK 0001761195 · Director · 10% owner

Dean Thompson · CIK 0001069096 · Director · 10% owner

Burgstahler David F · CIK 0001374179 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 17,399,665

F2 · shares: 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.

F6 · shares: Represents an aggregate of 100,269 shares of Common Stock purchased by ACP Onshore and 99,731 shares of Common Stock purchased by ACP Offshore.

F2 · price: 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.

F7 · price: Purchase prices range from $4.70 to $4.90 per share, inclusive.

F8 · balance_after: Represents 8,197,463 shares of Common Stock owned directly by ACP Onshore, 8,153,511 shares of Common Stock owned directly by ACP Offshore, and 1,048,691 shares of Common Stock owned directly by the Sponsor.

F1 · ownership.nature: 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.

F12 · ownership.nature: 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.

F13 · ownership.nature: 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.