{"transactions":[{"id":1463901,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% Owner and Director"}}],"security":"Stock Options","published_at":"2024-07-02T17:00:11.000Z","date":"2024-06-28","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":133333,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F16","text":"Represents the number of unvested stock options forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F14","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest in three substantially similar annual installments beginning on November 1, 2023. The Form 4s filed by the Reporting Persons on December 5, 2022 and December 13, 2022 incorrectly reported that 161,849 stock options and 161,849 shares of common stock underlying such stock options were issued to Mr. Tamaroff."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F14","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest in three substantially similar annual installments beginning on November 1, 2023. The Form 4s filed by the Reporting Persons on December 5, 2022 and December 13, 2022 incorrectly reported that 161,849 stock options and 161,849 shares of common stock underlying such stock options were issued to Mr. Tamaroff."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F14","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest in three substantially similar annual installments beginning on November 1, 2023. The Form 4s filed by the Reporting Persons on December 5, 2022 and December 13, 2022 incorrectly reported that 161,849 stock options and 161,849 shares of common stock underlying such stock options were issued to Mr. Tamaroff."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a former director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Tamaroff resigned as a director of the Issuer, effective as of June 28, 2024. As a result, Mr. Tamaroff is no longer subject to Section 16 reporting in connection with the securities of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F11","text":"Mr. Tamaroff, in his capacity as a partner at an affiliate of the Avista Affiliates, had previously assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore were each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F14","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest in three substantially similar annual installments beginning on November 1, 2023. The Form 4s filed by the Reporting Persons on December 5, 2022 and December 13, 2022 incorrectly reported that 161,849 stock options and 161,849 shares of common stock underlying such stock options were issued to Mr. Tamaroff."}],"balance_after":66668,"derivative":{"exercise_price":3.35,"expiration_date":"2032-12-01","underlying":"Common stock, par value $0.0001","underlying_shares":66668},"source":{"system":"sec-edgar","filing":"0001104659-24-077398","document":"tm2418740-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465924077398/tm2418740-1_4seq1.xml","form_type":"4"}},{"id":1463900,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% Owner and Director"}}],"security":"Stock Options","published_at":"2024-07-02T17:00:11.000Z","date":"2024-06-28","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F16","text":"Represents the number of unvested stock options forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F6","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a former director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Tamaroff resigned as a director of the Issuer, effective as of June 28, 2024. As a result, Mr. Tamaroff is no longer subject to Section 16 reporting in connection with the securities of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F11","text":"Mr. Tamaroff, in his capacity as a partner at an affiliate of the Avista Affiliates, had previously assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore were each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"exercise_price":4.19,"expiration_date":"2034-06-18","underlying":"Common stock, par value $0.0001","underlying_shares":40000},"source":{"system":"sec-edgar","filing":"0001104659-24-077398","document":"tm2418740-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465924077398/tm2418740-1_4seq1.xml","form_type":"4"}},{"id":1463899,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% Owner and Director"}}],"security":"Restricted Stock Units","published_at":"2024-07-02T17:00:11.000Z","date":"2024-06-28","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":35538,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"kind","element":"transactionCoding","label":"F15","text":"Represents the number of unvested RSUs forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Represents restricted stock units (\"RSUs\") granted to Mr. Tamaroff in his capacity as a director of the Issuer, which RSUs vest as to the shares underlying the award in three substantially similar annual installments beginning on November 1, 2023, subject to Mr. Tamaroff's continuing service as a director of the Issuer through the applicable vesting date; provided, that the RSUs shall vest in full (i) in the event of a Change of Control (as defined in the Issuer's 2022 Incentive Award Plan), to the extent Mr. Tamaroff is serving as a director at the time of such transaction, or (ii) in the event that Mr. Tamaroff ceases to serve as a director by reason of death or Permanent Disability (as defined in the Issuer's 2022 Incentive Award Plan). Mr. Tamaroff resigned as a director of the Issuer, effective as of June 28, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Represents restricted stock units (\"RSUs\") granted to Mr. Tamaroff in his capacity as a director of the Issuer, which RSUs vest as to the shares underlying the award in three substantially similar annual installments beginning on November 1, 2023, subject to Mr. Tamaroff's continuing service as a director of the Issuer through the applicable vesting date; provided, that the RSUs shall vest in full (i) in the event of a Change of Control (as defined in the Issuer's 2022 Incentive Award Plan), to the extent Mr. Tamaroff is serving as a director at the time of such transaction, or (ii) in the event that Mr. Tamaroff ceases to serve as a director by reason of death or Permanent Disability (as defined in the Issuer's 2022 Incentive Award Plan). Mr. Tamaroff resigned as a director of the Issuer, effective as of June 28, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F10","text":"Represents restricted stock units (\"RSUs\") granted to Mr. Tamaroff in his capacity as a director of the Issuer, which RSUs vest as to the shares underlying the award in three substantially similar annual installments beginning on November 1, 2023, subject to Mr. Tamaroff's continuing service as a director of the Issuer through the applicable vesting date; provided, that the RSUs shall vest in full (i) in the event of a Change of Control (as defined in the Issuer's 2022 Incentive Award Plan), to the extent Mr. Tamaroff is serving as a director at the time of such transaction, or (ii) in the event that Mr. Tamaroff ceases to serve as a director by reason of death or Permanent Disability (as defined in the Issuer's 2022 Incentive Award Plan). Mr. Tamaroff resigned as a director of the Issuer, effective as of June 28, 2024."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a former director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Tamaroff resigned as a director of the Issuer, effective as of June 28, 2024. As a result, Mr. Tamaroff is no longer subject to Section 16 reporting in connection with the securities of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"ACP V Onshore directly holds 7,296,895 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,565,920 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F11","text":"Mr. Tamaroff, in his capacity as a partner at an affiliate of the Avista Affiliates, had previously assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore were each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common stock, par value $0.0001","underlying_shares":35538},"source":{"system":"sec-edgar","filing":"0001104659-24-077398","document":"tm2418740-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465924077398/tm2418740-1_4seq1.xml","form_type":"4"}},{"id":1463898,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% Owner and Director"}}],"security":"Restricted Stock Units","published_at":"2024-07-02T17:00:11.000Z","date":"2024-06-28","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"kind","element":"transactionCoding","label":"F15","text":"Represents the number of unvested RSUs forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a former director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Tamaroff resigned as a director of the Issuer, effective as of June 28, 2024. As a result, Mr. Tamaroff is no longer subject to Section 16 reporting in connection with the securities of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"ACP V Onshore directly holds 7,296,895 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,565,920 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F11","text":"Mr. Tamaroff, in his capacity as a partner at an affiliate of the Avista Affiliates, had previously assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore were each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common stock, par value $0.0001","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001104659-24-077398","document":"tm2418740-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465924077398/tm2418740-1_4seq1.xml","form_type":"4"}},{"id":1463897,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% Owner and Director"}}],"security":"Common stock, par value $0.0001 per share","published_at":"2024-07-02T17:00:11.000Z","date":"2024-06-29","kind":"tax_withholding","planned":false,"acquired":false,"shares":59557,"price":3.75,"value":223338.75,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F18","text":"Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise. No shares were sold by the Reporting Persons to satisfy the exercise price of the stock options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a former director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Tamaroff resigned as a director of the Issuer, effective as of June 28, 2024. As a result, Mr. Tamaroff is no longer subject to Section 16 reporting in connection with the securities of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"ACP V Onshore directly holds 7,296,895 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,565,920 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F11","text":"Mr. Tamaroff, in his capacity as a partner at an affiliate of the Avista Affiliates, had previously assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore were each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":15862815,"source":{"system":"sec-edgar","filing":"0001104659-24-077398","document":"tm2418740-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465924077398/tm2418740-1_4seq1.xml","form_type":"4"}},{"id":1463896,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% Owner and Director"}}],"security":"Common stock, par value $0.0001 per share","published_at":"2024-07-02T17:00:11.000Z","date":"2024-06-29","kind":"exercise","planned":false,"acquired":true,"shares":66668,"price":3.35,"value":223337.8,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F17","text":"Represents stock options exercised on a net share settlement basis. Accordingly, the Issuer is delivering an aggregate 7,111 shares of common stock to the Reporting Persons in connection with the option exercises, with no shares being sold externally."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a former director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Tamaroff resigned as a director of the Issuer, effective as of June 28, 2024. As a result, Mr. Tamaroff is no longer subject to Section 16 reporting in connection with the securities of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"ACP V Onshore directly holds 7,296,895 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,565,920 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F11","text":"Mr. Tamaroff, in his capacity as a partner at an affiliate of the Avista Affiliates, had previously assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore were each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":15992372,"source":{"system":"sec-edgar","filing":"0001104659-24-077398","document":"tm2418740-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465924077398/tm2418740-1_4seq1.xml","form_type":"4"}},{"id":1472421,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Stock Options","published_at":"2024-06-21T17:00:12.000Z","date":"2024-06-18","kind":"grant","planned":false,"acquired":true,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F7","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F12","text":"Mr. Tamaroff is a partner at an affiliate of the Avista Affiliates and has assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore are each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":40000,"derivative":{"exercise_price":4.19,"expiration_date":"2034-06-18","underlying":"Common stock, par value $0.0001","underlying_shares":40000},"source":{"system":"sec-edgar","filing":"0001104659-24-073984","document":"tm2417785-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465924073984/tm2417785-1_4seq1.xml","form_type":"4"}},{"id":1472420,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-06-21T17:00:12.000Z","date":"2024-06-18","kind":"exercise","planned":false,"acquired":false,"shares":20000,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs vested in full on June 18, 2024, the date of the next annual meeting of the Company's stockholders following the grant date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs vested in full on June 18, 2024, the date of the next annual meeting of the Company's stockholders following the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs vested in full on June 18, 2024, the date of the next annual meeting of the Company's stockholders following the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs vested in full on June 18, 2024, the date of the next annual meeting of the Company's stockholders following the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs vested in full on June 18, 2024, the date of the next annual meeting of the Company's stockholders following the grant date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"ACP V Onshore directly holds 7,293,624 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,562,080 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F12","text":"Mr. Tamaroff is a partner at an affiliate of the Avista Affiliates and has assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore are each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common stock, par value $0.0001","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001104659-24-073984","document":"tm2417785-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465924073984/tm2417785-1_4seq1.xml","form_type":"4"}},{"id":1472419,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-06-21T17:00:12.000Z","date":"2024-06-18","kind":"grant","planned":false,"acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"kind","element":"transactionCoding","label":"F6","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"ACP V Onshore directly holds 7,293,624 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,562,080 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F12","text":"Mr. Tamaroff is a partner at an affiliate of the Avista Affiliates and has assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore are each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":55538,"derivative":{"underlying":"Common stock, par value $0.0001","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001104659-24-073984","document":"tm2417785-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465924073984/tm2417785-1_4seq1.xml","form_type":"4"}},{"id":1472418,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common stock, par value $0.0001 per share","published_at":"2024-06-21T17:00:12.000Z","date":"2024-06-18","kind":"exercise","planned":false,"acquired":true,"shares":20000,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Vesting of restricted stock units (\"RSUs\") previously granted to the Reporting Persons."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs vested in full on June 18, 2024, the date of the next annual meeting of the Company's stockholders following the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"In accordance with the letter agreement, dated March 23, 2022, by and among the Issuer, Avista Acquisition LP II, a Cayman Islands limited partnership (\"Avista Sponsor\"), and other parties (the \"Letter Agreement\"), if the Triggering Event (as defined in the Letter Agreement) has not occurred during the Earnout Period (as defined in the Letter Agreement), 1,293,299 shares of common stock will be automatically forfeited to the Issuer for no consideration."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F9","text":"As a result of the liquidation and distribution of all of the assets of the Avista Sponsor to its limited partners, ACP V Onshore and ACP V Offshore (the \"Avista Sponsor Liquidating Distribution\"), and pursuant to a Joinder to the Letter Agreement entered into on December 9, 2022 between ACP V Onshore, ACP V Offshore, Avista Sponsor and the Issuer, ACP V Onshore directly holds 595,508 of the shares of common stock subject to forfeiture pursuant to the terms of the Letter Agreement, and ACP V Offshore holds 697,791 of the shares of common stock subject to forfeiture pursuant to the terms of the Letter Agreement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F10","text":"Additionally, in connection with the Avista Sponsor Liquidating Distribution, each of ACP V Onshore and ACP V Offshore provided to the Issuer an agreement stating that they will each be bound by the transfer restrictions included in the Amended and Restated Registration and Stockholder Rights Agreement, dated as of November 1, 2022, among the Issuer, the Sponsor and the other signatories thereto (the \"A&R RSRA\") for the duration of the Founder Shares Lock Up Period (as defined in the A&R RSRA)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"ACP V Onshore directly holds 7,293,624 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,562,080 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F12","text":"Mr. Tamaroff is a partner at an affiliate of the Avista Affiliates and has assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore are each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F14","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and other parties (the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."}],"balance_after":15855704,"source":{"system":"sec-edgar","filing":"0001104659-24-073984","document":"tm2417785-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465924073984/tm2417785-1_4seq1.xml","form_type":"4"}},{"id":1742785,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-11-14T21:47:11.000Z","date":"2023-11-01","kind":"exercise","planned":false,"acquired":false,"shares":17770,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"kind","element":"transactionCoding","label":"F3","text":"Vesting of restricted stock units (\"RSUs\") previously granted to the Reporting Persons."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Represents restricted stock units (\"RSUs\") granted to Mr. Tamaroff in his capacity as a director of the Issuer, which RSUs vest as to the shares underlying the award in three substantially similar annual installments beginning on November 1, 2023, subject to Mr. Tamaroff's continuing service as a director of the Issuer through the applicable vesting date; provided, that the RSUs shall vest in full (i) in the event of a Change of Control (as defined in the Issuer's 2022 Incentive Award Plan), to the extent Mr. Tamaroff is serving as a director at the time of such transaction, or (ii) in the event that Mr. Tamaroff ceases to serve as a director by reason of death or Permanent Disability (as defined in the Issuer's 2022 Incentive Award Plan)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Represents restricted stock units (\"RSUs\") granted to Mr. Tamaroff in his capacity as a director of the Issuer, which RSUs vest as to the shares underlying the award in three substantially similar annual installments beginning on November 1, 2023, subject to Mr. Tamaroff's continuing service as a director of the Issuer through the applicable vesting date; provided, that the RSUs shall vest in full (i) in the event of a Change of Control (as defined in the Issuer's 2022 Incentive Award Plan), to the extent Mr. Tamaroff is serving as a director at the time of such transaction, or (ii) in the event that Mr. Tamaroff ceases to serve as a director by reason of death or Permanent Disability (as defined in the Issuer's 2022 Incentive Award Plan)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F10","text":"Represents restricted stock units (\"RSUs\") granted to Mr. Tamaroff in his capacity as a director of the Issuer, which RSUs vest as to the shares underlying the award in three substantially similar annual installments beginning on November 1, 2023, subject to Mr. Tamaroff's continuing service as a director of the Issuer through the applicable vesting date; provided, that the RSUs shall vest in full (i) in the event of a Change of Control (as defined in the Issuer's 2022 Incentive Award Plan), to the extent Mr. Tamaroff is serving as a director at the time of such transaction, or (ii) in the event that Mr. Tamaroff ceases to serve as a director by reason of death or Permanent Disability (as defined in the Issuer's 2022 Incentive Award Plan)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"ACP V Onshore directly holds 7,283,484 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,534,450 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F11","text":"Mr. Tamaroff is a partner at an affiliate of the Avista Affiliates and has assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore are each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":35538,"derivative":{"underlying":"Common stock, par value $0.0001","underlying_shares":17770},"source":{"system":"sec-edgar","filing":"0001104659-23-118341","document":"tm2330765-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465923118341/tm2330765-1_4seq1.xml","form_type":"4"}},{"id":1742784,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common stock, par value $0.0001 per share","published_at":"2023-11-14T21:47:11.000Z","date":"2023-11-01","kind":"exercise","planned":false,"acquired":true,"shares":17770,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Vesting of restricted stock units (\"RSUs\") previously granted to the Reporting Persons."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning November 1, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"In accordance with the letter agreement, dated March 23, 2022, by and among the Issuer, Avista Acquisition LP II, a Cayman Islands limited partnership (\"Avista Sponsor\"), and other parties (the \"Letter Agreement\"), if the Triggering Event (as defined in the Letter Agreement) has not occurred during the Earnout Period (as defined in the Letter Agreement), 1,293,299 shares of common stock will be automatically forfeited to the Issuer for no consideration."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"As a result of the liquidation and distribution of all of the assets of the Avista Sponsor to its limited partners, ACP V Onshore and ACP V Offshore (the \"Avista Sponsor Liquidating Distribution\"), and pursuant to a Joinder to the Letter Agreement entered into on December 9, 2022 between ACP V Onshore, ACP V Offshore, Avista Sponsor and the Issuer, ACP V Onshore directly holds 595,508 of the shares of common stock subject to forfeiture pursuant to the terms of the Letter Agreement, and ACP V Offshore holds 697,791 of the shares of common stock subject to forfeiture pursuant to the terms of the Letter Agreement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F9","text":"Additionally, in connection with the Avista Sponsor Liquidating Distribution, each of ACP V Onshore and ACP V Offshore provided to the Issuer an agreement stating that they will each be bound by the transfer restrictions included in the Amended and Restated Registration and Stockholder Rights Agreement, dated as of November 1, 2022, among the Issuer, the Sponsor and the other signatories thereto (the \"A&R RSRA\") for the duration of the Founder Shares Lock Up Period (as defined in the A&R RSRA)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"ACP V Onshore directly holds 7,283,484 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,534,450 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F11","text":"Mr. Tamaroff is a partner at an affiliate of the Avista Affiliates and has assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore are each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F13","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and other parties (the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."}],"balance_after":15835704,"source":{"system":"sec-edgar","filing":"0001104659-23-118341","document":"tm2330765-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465923118341/tm2330765-1_4seq1.xml","form_type":"4"}},{"id":1843700,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Stock Options","published_at":"2023-06-27T21:46:15.000Z","date":"2023-06-23","kind":"grant","planned":false,"acquired":true,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F6","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Represents stock options granted to Mr. Tamaroff in his capacity as a director of the Issuer, which stock options vest and become exercisable in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F10","text":"Mr. Tamaroff is a partner at an affiliate of the Avista Affiliates and has assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore are each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":40000,"derivative":{"exercise_price":4.81,"expiration_date":"2033-06-23","underlying":"Common stock, par value $0.0001","underlying_shares":40000},"source":{"system":"sec-edgar","filing":"0001104659-23-075413","document":"tm2319845-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465923075413/tm2319845-1_4seq1.xml","form_type":"4"}},{"id":1843699,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-06-27T21:46:15.000Z","date":"2023-06-23","kind":"grant","planned":false,"acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (i) the date of the next annual meeting of the Company's stockholders following the grant date and (ii) the first anniversary of the grant date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V GP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"ACP V Onshore directly holds 7,283,484 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,534,450 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F10","text":"Mr. Tamaroff is a partner at an affiliate of the Avista Affiliates and has assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore are each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":20000,"derivative":{"underlying":"Common stock, par value $0.0001","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001104659-23-075413","document":"tm2319845-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465923075413/tm2319845-1_4seq1.xml","form_type":"4"}},{"id":2063491,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":1,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":2,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":3,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":4,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":5,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":6,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":7,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common stock, par value $0.0001 per share","published_at":"2023-01-05T20:54:33.000Z","date":"2023-01-03","kind":"grant","acquired":true,"shares":53308,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Represents restricted stock units (\"RSUs\") granted to Mr. Tamaroff in his capacity as a director of the Issuer, which RSUs vest as to the shares underlying the award in three substantially similar annual installments beginning on November 1, 2023, subject to Mr. Tamaroff's continuing service as a director of the Issuer through the applicable vesting date; provided, that the RSUs shall vest in full (i) in the event of a Change of Control (as defined in the Issuer's 2022 Incentive Award Plan), to the extent Mr. Tamaroff is serving as a director at the time of such transaction, or (ii) in the event that Mr. Tamaroff ceases to serve as a director by reason of death or Permanent Disability (as defined in the Issuer's 2022 Incentive Award Plan)."},{"field":"shares","element":"transactionShares","label":"F5","text":"Represents restricted stock units (\"RSUs\") granted to Mr. Tamaroff in his capacity as a director of the Issuer, which RSUs vest as to the shares underlying the award in three substantially similar annual installments beginning on November 1, 2023, subject to Mr. Tamaroff's continuing service as a director of the Issuer through the applicable vesting date; provided, that the RSUs shall vest in full (i) in the event of a Change of Control (as defined in the Issuer's 2022 Incentive Award Plan), to the extent Mr. Tamaroff is serving as a director at the time of such transaction, or (ii) in the event that Mr. Tamaroff ceases to serve as a director by reason of death or Permanent Disability (as defined in the Issuer's 2022 Incentive Award Plan)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"In accordance with the letter agreement, dated March 23, 2022, by and among the Issuer, Avista Acquisition LP II, a Cayman Islands limited partnership (\"Avista Sponsor\"), and other parties (the \"Letter Agreement\"), if the Triggering Event (as defined in the Letter Agreement) has not occurred during the Earnout Period (as defined in the Letter Agreement), 1,293,299 shares of common stock will be automatically forfeited to the Issuer for no consideration. As a result of the liquidation and distribution of all of the assets of the Avista Sponsor to its limited partners, ACP V Onshore and ACP V Offshore (the \"Avista Sponsor Liquidating Distribution\"),"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"and pursuant to a Joinder to the Letter Agreement entered into on December 9, 2022 between ACP V Onshore, ACP V Offshore, Avista Sponsor and the Issuer, ACP V Onshore directly holds 595,508 of the shares of common stock subject to forfeiture pursuant to the terms of the Letter Agreement, and ACP V Offshore holds 697,791 of the shares of common stock subject to forfeiture pursuant to the terms of the Letter Agreement. Additionally, in connection with the Avista Sponsor Liquidating Distribution, each of ACP V Onshore and ACP V Offshore provided to the Issuer an agreement stating that they will each be bound by the transfer restrictions included in the Amended and Restated Registration and Stockholder Rights Agreement, dated as of November 1, 2022, among the Issuer, the Sponsor and the other signatories thereto (the \"A&R RSRA\") for the duration of the Founder Shares Lock Up Period (as defined in the A&R RSRA)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), (ii) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), (iii) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore, (iv) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V VP, (v) each of Thompson Dean and David Burgstahler, who are the managers of Avista Managing Member (together with ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (vi) Joshua Tamaroff, who is a director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"ACP V Onshore directly holds 7,283,484 shares of common stock and 5,224,114 warrants. ACP V Offshore directly holds 8,534,450 shares of common stock and 6,121,375 warrants. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Tamaroff is a partner at an affiliate of the Avista Affiliates and has assigned all rights, title and interest in any securities of the Issuer to an affiliate of the Avista Affiliates controlled by Mr. Dean and Mr. Burgstahler. The Avista Affiliates, ACP V Onshore and ACP V Offshore are each \"directors by deputization\" for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Each of the Avista Affiliates and Mr. Tamaroff may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates, ACP V Onshore and ACP V Offshore and Mr. Tamaroff disclaims beneficial ownership of the securities issued to Mr. Tamaroff, except to the extent of their pecuniary interest therein, if any."}],"balance_after":15871242,"source":{"system":"sec-edgar","filing":"0001104659-23-001606","document":"tm232303-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465923001606/tm232303-1_4seq1.xml","form_type":"4"}},{"id":2088500,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":121678,"kind":"person","name":"Avista Acquisition GP LLC II","position":1,"cik":"0001846167","reported_name":"Avista Acquisition GP LLC II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":2,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":3,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":121679,"kind":"person","name":"Avista Acquisition LP II","position":4,"cik":"0001846254","reported_name":"Avista Acquisition LP II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":5,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":6,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":7,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":8,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":9,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrants","published_at":"2022-12-13T16:35:27.000Z","date":"2022-12-09","kind":"other","acquired":true,"shares":6121375,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"shares","element":"transactionShares","label":"F9","text":"In connection with the completion of the Issuer's August 2021 initial public offering, Avista Sponsor purchased 8,233,333 warrants in a private placement from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one Class A ordinary share, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Merger Agreement (the \"Closing\"), and the warrants by their terms became exercisable (including by cash settlement) on December 1., 2022."},{"field":"shares","element":"transactionShares","label":"F10","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and OmniAb, Inc.(the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"In connection with the completion of the Issuer's August 2021 initial public offering, Avista Sponsor purchased 8,233,333 warrants in a private placement from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one Class A ordinary share, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Merger Agreement (the \"Closing\"), and the warrants by their terms became exercisable (including by cash settlement) on December 1., 2022."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and OmniAb, Inc.(the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"In connection with the completion of the Issuer's August 2021 initial public offering, Avista Sponsor purchased 8,233,333 warrants in a private placement from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one Class A ordinary share, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Merger Agreement (the \"Closing\"), and the warrants by their terms became exercisable (including by cash settlement) on December 1., 2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and OmniAb, Inc.(the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Acquisition LP II, a Cayman Islands limited partnership (\"Avista Sponsor\"), (ii) Avista Acquisition GP LLC II, a Cayman Islands limited liability company (\"Avista Sponsor GP\"), which is the general partner of Avista Sponsor, (iii) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), which is a limited partner of Avista Sponsor, (iv) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), which is a limited partner of Avista Sponsor, (v) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore,"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(vi) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V VP, (vii) each of Thompson Dean and David Burgstahler, who are the managers of Avista Sponsor GP and Avista Managing Member (together with ACP V Onshore, ACP V Offshore, ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (viii) Joshua Tamaroff, who is a Director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Directly owned by ACP V Offshore. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."}],"balance_after":6121375,"derivative":{"exercise_price":11.5,"expiration_date":"2027-11-01","underlying":"Common stock, par value $0.0001","underlying_shares":6121375},"source":{"system":"sec-edgar","filing":"0001104659-22-126643","document":"tm2232531-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465922126643/tm2232531-1_4seq1.xml","form_type":"4"}},{"id":2088499,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":121678,"kind":"person","name":"Avista Acquisition GP LLC II","position":1,"cik":"0001846167","reported_name":"Avista Acquisition GP LLC II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":2,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":3,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":121679,"kind":"person","name":"Avista Acquisition LP II","position":4,"cik":"0001846254","reported_name":"Avista Acquisition LP II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":5,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":6,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":7,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":8,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":9,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrants","published_at":"2022-12-13T16:35:27.000Z","date":"2022-12-09","kind":"other","acquired":true,"shares":5224114,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"shares","element":"transactionShares","label":"F9","text":"In connection with the completion of the Issuer's August 2021 initial public offering, Avista Sponsor purchased 8,233,333 warrants in a private placement from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one Class A ordinary share, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Merger Agreement (the \"Closing\"), and the warrants by their terms became exercisable (including by cash settlement) on December 1., 2022."},{"field":"shares","element":"transactionShares","label":"F10","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and OmniAb, Inc.(the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"In connection with the completion of the Issuer's August 2021 initial public offering, Avista Sponsor purchased 8,233,333 warrants in a private placement from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one Class A ordinary share, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Merger Agreement (the \"Closing\"), and the warrants by their terms became exercisable (including by cash settlement) on December 1., 2022."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and OmniAb, Inc.(the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"In connection with the completion of the Issuer's August 2021 initial public offering, Avista Sponsor purchased 8,233,333 warrants in a private placement from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one Class A ordinary share, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Merger Agreement (the \"Closing\"), and the warrants by their terms became exercisable (including by cash settlement) on December 1., 2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and OmniAb, Inc.(the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Acquisition LP II, a Cayman Islands limited partnership (\"Avista Sponsor\"), (ii) Avista Acquisition GP LLC II, a Cayman Islands limited liability company (\"Avista Sponsor GP\"), which is the general partner of Avista Sponsor, (iii) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), which is a limited partner of Avista Sponsor, (iv) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), which is a limited partner of Avista Sponsor, (v) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore,"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(vi) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V VP, (vii) each of Thompson Dean and David Burgstahler, who are the managers of Avista Sponsor GP and Avista Managing Member (together with ACP V Onshore, ACP V Offshore, ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (viii) Joshua Tamaroff, who is a Director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."}],"balance_after":5224114,"derivative":{"exercise_price":11.5,"expiration_date":"2027-11-01","underlying":"Common stock, par value $0.0001","underlying_shares":5224114},"source":{"system":"sec-edgar","filing":"0001104659-22-126643","document":"tm2232531-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465922126643/tm2232531-1_4seq1.xml","form_type":"4"}},{"id":2088498,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":121678,"kind":"person","name":"Avista Acquisition GP LLC II","position":1,"cik":"0001846167","reported_name":"Avista Acquisition GP LLC II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":2,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":3,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":121679,"kind":"person","name":"Avista Acquisition LP II","position":4,"cik":"0001846254","reported_name":"Avista Acquisition LP II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":5,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":6,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":7,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":8,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":9,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrants","published_at":"2022-12-13T16:35:27.000Z","date":"2022-12-09","kind":"other","acquired":false,"shares":11345489,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"shares","element":"transactionShares","label":"F9","text":"In connection with the completion of the Issuer's August 2021 initial public offering, Avista Sponsor purchased 8,233,333 warrants in a private placement from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one Class A ordinary share, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Merger Agreement (the \"Closing\"), and the warrants by their terms became exercisable (including by cash settlement) on December 1., 2022."},{"field":"shares","element":"transactionShares","label":"F10","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and OmniAb, Inc.(the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"In connection with the completion of the Issuer's August 2021 initial public offering, Avista Sponsor purchased 8,233,333 warrants in a private placement from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one Class A ordinary share, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Merger Agreement (the \"Closing\"), and the warrants by their terms became exercisable (including by cash settlement) on December 1., 2022."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and OmniAb, Inc.(the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"In connection with the completion of the Issuer's August 2021 initial public offering, Avista Sponsor purchased 8,233,333 warrants in a private placement from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one Class A ordinary share, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Merger Agreement (the \"Closing\"), and the warrants by their terms became exercisable (including by cash settlement) on December 1., 2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"In connection with the Amended and Restated Forward Purchase Agreement, dated March 23, 2022, by and among the Issuer, Avista Sponsor and OmniAb, Inc.(the \"A&R Forward Purchase Agreement\"), Avista Sponsor purchased an aggregate 3,112,156 warrants in private placements from the Issuer, each exercisable to purchase (subject, initially, to the satisfaction of certain material conditions) one share of common stock, par value $0.0001 per share, of the Issuer for $11.50 per share. The material conditions to exercise were satisfied on the Closing, and the warrants by their terms became exercisable (including by cash settlement) December 31, 2022."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Acquisition LP II, a Cayman Islands limited partnership (\"Avista Sponsor\"), (ii) Avista Acquisition GP LLC II, a Cayman Islands limited liability company (\"Avista Sponsor GP\"), which is the general partner of Avista Sponsor, (iii) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), which is a limited partner of Avista Sponsor, (iv) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), which is a limited partner of Avista Sponsor, (v) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore,"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(vi) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V VP, (vii) each of Thompson Dean and David Burgstahler, who are the managers of Avista Sponsor GP and Avista Managing Member (together with ACP V Onshore, ACP V Offshore, ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (viii) Joshua Tamaroff, who is a Director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."}],"balance_after":0,"derivative":{"exercise_price":11.5,"expiration_date":"2027-11-01","underlying":"Common stock, par value $0.0001","underlying_shares":11345489},"source":{"system":"sec-edgar","filing":"0001104659-22-126643","document":"tm2232531-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465922126643/tm2232531-1_4seq1.xml","form_type":"4"}},{"id":2088497,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":121678,"kind":"person","name":"Avista Acquisition GP LLC II","position":1,"cik":"0001846167","reported_name":"Avista Acquisition GP LLC II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":2,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":3,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":121679,"kind":"person","name":"Avista Acquisition LP II","position":4,"cik":"0001846254","reported_name":"Avista Acquisition LP II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":5,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":6,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":7,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":8,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":9,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common stock, par value $0.0001 per share","published_at":"2022-12-13T16:35:27.000Z","date":"2022-12-09","kind":"other","acquired":true,"shares":8534450,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"In accordance with the letter agreement, dated March 23, 2022, among the Issuer, Avista Sponsor, Legacy OmniAb and other parties (the \"Letter Agreement\"), if the Triggering Event (as defined in the Letter Agreement) has not occurred during the Earnout Period (as defined in the Letter Agreement), 1,293,299 shares of common stock will be automatically forfeited to the Issuer for no consideration. As a result of the transactions described in this Form 4, and pursuant to a Joinder to the Letter Agreement entered into on December 9, 2022 between ACP V Onshore, ACP V Offshore, Avista Sponsor and the Issuer, ACP V Onshore directly holds 595,508 of the shares of common stock subject to forfeiture pursuant to the terms of the Letter Agreement, and ACP V Offshore holds 697,791 of the shares of common stock subject to forfeiture pursuant to the terms of the Letter Agreement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Additionally, in connection with the transactions described in this Form 4, each of ACP V Onshore and ACP V Offshore provided to the Issuer an agreement stating that they will each be bound by the transfer restrictions included in the Amended and Restated Registration and Stockholder Rights Agreement, dated as of November 1, 2022, among the Issuer, the Sponsor and the other signatories thereto (the \"A&R RSRA\") for the duration of the Founder Shares Lock Up Period (as defined in the A&R RSRA)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Acquisition LP II, a Cayman Islands limited partnership (\"Avista Sponsor\"), (ii) Avista Acquisition GP LLC II, a Cayman Islands limited liability company (\"Avista Sponsor GP\"), which is the general partner of Avista Sponsor, (iii) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), which is a limited partner of Avista Sponsor, (iv) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), which is a limited partner of Avista Sponsor, (v) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore,"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(vi) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V VP, (vii) each of Thompson Dean and David Burgstahler, who are the managers of Avista Sponsor GP and Avista Managing Member (together with ACP V Onshore, ACP V Offshore, ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (viii) Joshua Tamaroff, who is a Director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Directly owned by ACP V Offshore. Each of the Avista Affiliates may be deemed to beneficially own the securities reported on this line item to the extent of their respective pecuniary interests. Each of the Avista Affiliates disclaims beneficial ownership of the securities reported on this line item, except to the extent of their pecuniary interest therein, if any."}],"balance_after":8534450,"source":{"system":"sec-edgar","filing":"0001104659-22-126643","document":"tm2232531-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465922126643/tm2232531-1_4seq1.xml","form_type":"4"}},{"id":2088496,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":121678,"kind":"person","name":"Avista Acquisition GP LLC II","position":1,"cik":"0001846167","reported_name":"Avista Acquisition GP LLC II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":2,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":3,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":121679,"kind":"person","name":"Avista Acquisition LP II","position":4,"cik":"0001846254","reported_name":"Avista Acquisition LP II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":5,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":6,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":7,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":8,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":9,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common stock, par value $0.0001 per share","published_at":"2022-12-13T16:35:27.000Z","date":"2022-12-09","kind":"other","acquired":true,"shares":7283484,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"In accordance with the letter agreement, dated March 23, 2022, among the Issuer, Avista Sponsor, Legacy OmniAb and other parties (the \"Letter Agreement\"), if the Triggering Event (as defined in the Letter Agreement) has not occurred during the Earnout Period (as defined in the Letter Agreement), 1,293,299 shares of common stock will be automatically forfeited to the Issuer for no consideration. As a result of the transactions described in this Form 4, and pursuant to a Joinder to the Letter Agreement entered into on December 9, 2022 between ACP V Onshore, ACP V Offshore, Avista Sponsor and the Issuer, ACP V Onshore directly holds 595,508 of the shares of common stock subject to forfeiture pursuant to the terms of the Letter Agreement, and ACP V Offshore holds 697,791 of the shares of common stock subject to forfeiture pursuant to the terms of the Letter Agreement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Additionally, in connection with the transactions described in this Form 4, each of ACP V Onshore and ACP V Offshore provided to the Issuer an agreement stating that they will each be bound by the transfer restrictions included in the Amended and Restated Registration and Stockholder Rights Agreement, dated as of November 1, 2022, among the Issuer, the Sponsor and the other signatories thereto (the \"A&R RSRA\") for the duration of the Founder Shares Lock Up Period (as defined in the A&R RSRA)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Acquisition LP II, a Cayman Islands limited partnership (\"Avista Sponsor\"), (ii) Avista Acquisition GP LLC II, a Cayman Islands limited liability company (\"Avista Sponsor GP\"), which is the general partner of Avista Sponsor, (iii) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), which is a limited partner of Avista Sponsor, (iv) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), which is a limited partner of Avista Sponsor, (v) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore,"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(vi) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V VP, (vii) each of Thompson Dean and David Burgstahler, who are the managers of Avista Sponsor GP and Avista Managing Member (together with ACP V Onshore, ACP V Offshore, ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (viii) Joshua Tamaroff, who is a Director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."}],"balance_after":7283484,"source":{"system":"sec-edgar","filing":"0001104659-22-126643","document":"tm2232531-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465922126643/tm2232531-1_4seq1.xml","form_type":"4"}},{"id":2088495,"issuer":{"id":5294,"kind":"organization","name":"OmniAb, Inc."},"owners":[{"id":121678,"kind":"person","name":"Avista Acquisition GP LLC II","position":1,"cik":"0001846167","reported_name":"Avista Acquisition GP LLC II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85946,"kind":"person","name":"Burgstahler David F","position":2,"cik":"0001374179","reported_name":"Burgstahler David F","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85945,"kind":"person","name":"Dean Thompson","position":3,"cik":"0001069096","reported_name":"Dean Thompson","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":121679,"kind":"person","name":"Avista Acquisition LP II","position":4,"cik":"0001846254","reported_name":"Avista Acquisition LP II","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89308,"kind":"person","name":"Tamaroff Joshua Alexander","position":5,"cik":"0001705548","reported_name":"Tamaroff Joshua Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89306,"kind":"organization","name":"Avista Capital Partners V, L.P.","position":6,"cik":"0001774142","reported_name":"Avista Capital Partners V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89307,"kind":"organization","name":"Avista Capital Partners (Offshore) V, L.P.","position":7,"cik":"0001774143","reported_name":"Avista Capital Partners (Offshore) V, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89305,"kind":"organization","name":"Avista Capital Partners V GP, L.P.","position":8,"cik":"0001957305","reported_name":"Avista Capital Partners V GP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89304,"kind":"organization","name":"Avista Capital Managing Member V, LLC","position":9,"cik":"0001957307","reported_name":"Avista Capital Managing Member V, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common stock, par value $0.0001 per share","published_at":"2022-12-13T16:35:27.000Z","date":"2022-12-09","kind":"other","acquired":false,"shares":15817934,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This form is being filed by each of the following Reporting Persons: (i) Avista Acquisition LP II, a Cayman Islands limited partnership (\"Avista Sponsor\"), (ii) Avista Acquisition GP LLC II, a Cayman Islands limited liability company (\"Avista Sponsor GP\"), which is the general partner of Avista Sponsor, (iii) Avista Capital Partners V, L.P., a Delaware limited partnership (\"ACP V Onshore\"), which is a limited partner of Avista Sponsor, (iv) Avista Capital Partners (Offshore) V, L.P., a Bermuda limited partnership (\"ACP V Offshore\"), which is a limited partner of Avista Sponsor, (v) Avista Capital Partners V GP, L.P., a Delaware limited partnership (\"ACP V GP\"), which is the general partner of ACP V Onshore and ACP V Offshore,"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(vi) Avista Capital Managing Member V, LLC, a Delaware limited liability company (\"Avista Managing Member\"), which is the general partner of ACP V VP, (vii) each of Thompson Dean and David Burgstahler, who are the managers of Avista Sponsor GP and Avista Managing Member (together with ACP V Onshore, ACP V Offshore, ACP V GP and Avista Managing Member, the \"Avista Affiliates\"), and (viii) Joshua Tamaroff, who is a Director of OmniAb, Inc. (f/k/a Avista Public Acquisition Corp. II) (the \"Issuer\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of the transactions described in this Form 4 are being made in connection with the liquidation and dissolution of Avista Sponsor and Avista Sponsor GP. In connection with its liquidation, Avista Sponsor distributed all of its assets, consisting solely of securities of the Issuer, pro rata for no consideration to its limited partners, ACP V Onshore and ACP V Offshore. As a result of these transactions and their subsequent dissolution, Avista Sponsor and Avista Sponsor GP will no longer hold, directly or indirectly, any securities in the Issuer."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-22-126643","document":"tm2232531-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1069096/000110465922126643/tm2232531-1_4seq1.xml","form_type":"4"}}]}