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Avista Capital Partners (Offshore) V, L.P.

Disclosed activity across 1 company

Tapewire entity
89307
SEC CIK
0001774143

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
OmniAb, Inc.OABI · Entity 529410% ownerJune 28, 2024July 02, 2024

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common stock, par value $0.0001 per shareSEC Table I · non-derivativeIndirectSee Notes15,992,372 Reported balance After 2024-06-29 transaction · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · 2024-06-29 · Exercise / conversion · Acquired 66,668 · Balance 15,992,372

F17: 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.

F1: 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").

F2: 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.

F3: 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.

F11: 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.

Common stock, par value $0.0001 per shareSEC Table I · non-derivativeIndirectSee Notes15,862,815 Reported balance After 2024-06-29 transaction · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · 2024-06-29 · Tax withholding · Disposed 59,557 · Balance 15,862,815

F18: 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.

F1: 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").

F2: 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.

F3: 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.

F11: 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.

Common stock, par value $0.0001 per shareSEC Table I · non-derivativeIndirectSee Notes15,855,704 Reported balance Holding disclosure · report date 2024-06-28 · row 1 Holding and transaction disclosures are not merged.
1 source row

Row 1 · Balance 15,855,704

F7: 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.

F8: 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.

F9: 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).

F1: 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").

F2: 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.

F3: 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.

F11: 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.

Restricted Stock UnitsSEC Table II · derivative / convertible securityIndirectSee Notes0 Reported balance After 2024-06-28 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2024-06-28 · Disposition to issuer · Disposed 20,000 · Balance 0

F5: 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.

F15: Represents the number of unvested RSUs forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer.

F1: 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").

F2: 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.

F3: 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.

F11: 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.

Restricted Stock UnitsSEC Table II · derivative / convertible securityIndirectSee Notes0 Reported balance After 2024-06-28 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2024-06-28 · Disposition to issuer · Disposed 35,538 · Balance 0

F4: 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.

F15: Represents the number of unvested RSUs forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer.

F10: 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.

F1: 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").

F2: 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.

F3: 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.

F11: 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.

Stock OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $4.19 · Expires 2034-06-18IndirectSee Notes0 Reported balance After 2024-06-28 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2024-06-28 · Disposition to issuer · Disposed 40,000 · Balance 0

F16: Represents the number of unvested stock options forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer.

F6: 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.

F1: 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").

F2: 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.

F11: 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.

Stock OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $3.35 · Expires 2032-12-01IndirectSee Notes66,668 Reported balance After 2024-06-28 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2024-06-28 · Disposition to issuer · Disposed 133,333 · Balance 66,668

F16: Represents the number of unvested stock options forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer.

F14: 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.

F1: 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").

F2: 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.

F11: 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.

Stock OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $4.81 · Expires 2033-06-23IndirectSee Notes40,000 Reported balance Holding disclosure · report date 2024-06-28 · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · Balance 40,000

F6: 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.

F1: 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").

F2: 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.

F11: 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.

WarrantsSEC Table II · derivative / convertible security · Conversion / exercise price $11.50 · Expires 2027-11-01IndirectSee Notes11,345,489 Reported balance Holding disclosure · report date 2024-06-28 · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · Balance 11,345,489

F12: 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 share of common stock for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Agreement and Plan of Merger, dated March 23, 2022, by and among the Issuer, Avista Sponsor and other parties (the "Closing"), and the warrants by their terms became exercisable (including by cash settlement) on December 1, 2022.

F13: 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.

F1: 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").

F2: 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.

F3: 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.

Filing footnotes · ownership attribution and instrument terms

F1: 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").

F2: 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.

F3: 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.

F4: 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.

F5: 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.

F6: 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.

F7: 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.

F8: 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.

F9: 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).

F10: 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.

F11: 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.

F12: 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 share of common stock for $11.50 per share. The material conditions to exercise were satisfied upon the closing of the transactions contemplated by the Agreement and Plan of Merger, dated March 23, 2022, by and among the Issuer, Avista Sponsor and other parties (the "Closing"), and the warrants by their terms became exercisable (including by cash settlement) on December 1, 2022.

F13: 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.

F14: 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.

F15: Represents the number of unvested RSUs forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer.

F16: Represents the number of unvested stock options forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer.

F17: 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.

F18: 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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
June 29, 2024 Filed Jul 2, 2024 17:00 UTC OmniAb, Inc. OABI · Entity 5294 Tax withholdingCommon stock, par value $0.0001 per share 59,557 $3.75 $223,338.75
Disclosure

SEC source: 0001104659-24-077398 · tm2418740-1_4seq1.xml · nonDerivative · entry 3

Avista Capital Managing Member V, LLC · CIK 0001957307 · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · 10% owner

Burgstahler David F · CIK 0001374179 · 10% owner

Dean Thompson · CIK 0001069096 · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Former 10% Owner and Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 15,862,815

F18 · shares: 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.

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F3 · ownership.nature: 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.

F11 · ownership.nature: 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.

Read SEC document
June 29, 2024 Filed Jul 2, 2024 17:00 UTC OmniAb, Inc. OABI · Entity 5294 Exercise / conversionCommon stock, par value $0.0001 per share 66,668 $3.35 $223,337.80
Disclosure

SEC source: 0001104659-24-077398 · tm2418740-1_4seq1.xml · nonDerivative · entry 2

Avista Capital Managing Member V, LLC · CIK 0001957307 · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · 10% owner

Burgstahler David F · CIK 0001374179 · 10% owner

Dean Thompson · CIK 0001069096 · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Former 10% Owner and Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 15,992,372

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

F17 · shares: 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.

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F3 · ownership.nature: 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.

F11 · ownership.nature: 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.

Read SEC document
June 28, 2024 Filed Jul 2, 2024 17:00 UTC OmniAb, Inc. OABI · Entity 5294 Disposition to issuerStock Options · Derivative 133,333 $0.00 Strike: $3.35 $0.00
Disclosure

SEC source: 0001104659-24-077398 · tm2418740-1_4seq1.xml · derivative · entry 8

Avista Capital Managing Member V, LLC · CIK 0001957307 · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · 10% owner

Burgstahler David F · CIK 0001374179 · 10% owner

Dean Thompson · CIK 0001069096 · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Former 10% Owner and Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 66,668

Underlying: Common stock, par value $0.0001 · 66,668 shares

Expires 2032-12-01

F16 · kind: Represents the number of unvested stock options forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer.

F14 · derivative.exercise_date: 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.

F14 · derivative.underlying_shares: 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.

F14 · balance_after: 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.

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F11 · ownership.nature: 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.

F14 · ownership.nature: 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.

Read SEC document
June 28, 2024 Filed Jul 2, 2024 17:00 UTC OmniAb, Inc. OABI · Entity 5294 Disposition to issuerStock Options · Derivative 40,000 $0.00 Strike: $4.19 $0.00
Disclosure

SEC source: 0001104659-24-077398 · tm2418740-1_4seq1.xml · derivative · entry 6

Avista Capital Managing Member V, LLC · CIK 0001957307 · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · 10% owner

Burgstahler David F · CIK 0001374179 · 10% owner

Dean Thompson · CIK 0001069096 · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Former 10% Owner and Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 0

Underlying: Common stock, par value $0.0001 · 40,000 shares

Expires 2034-06-18

F16 · kind: Represents the number of unvested stock options forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer.

F6 · derivative.exercise_date: 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.

F6 · derivative.underlying_shares: 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.

F6 · balance_after: 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.

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F6 · ownership.nature: 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.

F11 · ownership.nature: 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.

Read SEC document
June 28, 2024 Filed Jul 2, 2024 17:00 UTC OmniAb, Inc. OABI · Entity 5294 Disposition to issuerRestricted Stock Units · Derivative 35,538 $0.00 $0.00
Disclosure

SEC source: 0001104659-24-077398 · tm2418740-1_4seq1.xml · derivative · entry 5

Avista Capital Managing Member V, LLC · CIK 0001957307 · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · 10% owner

Burgstahler David F · CIK 0001374179 · 10% owner

Dean Thompson · CIK 0001069096 · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Former 10% Owner and Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 0

Underlying: Common stock, par value $0.0001 · 35,538 shares

Expires not disclosed

F4 · derivative.exercise_price: 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.

F15 · kind: Represents the number of unvested RSUs forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer.

F4 · derivative.exercise_date: 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.

F10 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

F10 · derivative.expiration_date: 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.

F4 · balance_after: 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.

F10 · balance_after: 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.

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F3 · ownership.nature: 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.

F11 · ownership.nature: 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.

Read SEC document
June 28, 2024 Filed Jul 2, 2024 17:00 UTC OmniAb, Inc. OABI · Entity 5294 Disposition to issuerRestricted Stock Units · Derivative 20,000 $0.00 $0.00
Disclosure

SEC source: 0001104659-24-077398 · tm2418740-1_4seq1.xml · derivative · entry 4

Avista Capital Managing Member V, LLC · CIK 0001957307 · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · 10% owner

Burgstahler David F · CIK 0001374179 · 10% owner

Dean Thompson · CIK 0001069096 · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Former 10% Owner and Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 0

Underlying: Common stock, par value $0.0001 · 20,000 shares

Expires not disclosed

F5 · derivative.exercise_price: 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.

F15 · kind: Represents the number of unvested RSUs forfeited in connection with Mr. Tamaroff's resignation as a director of the Issuer.

F5 · derivative.exercise_date: 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.

F5 · derivative.expiration_date: 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.

F5 · balance_after: 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.

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F3 · ownership.nature: 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.

F11 · ownership.nature: 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.

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June 18, 2024 Filed Jun 21, 2024 17:00 UTC OmniAb, Inc. OABI · Entity 5294 GrantStock Options · Derivative 40,000 $0.00 Strike: $4.19 $0.00
Disclosure

SEC source: 0001104659-24-073984 · tm2417785-1_4seq1.xml · derivative · entry 5

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 40,000

Underlying: Common stock, par value $0.0001 · 40,000 shares

Expires 2034-06-18

F7 · kind: 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.

F7 · derivative.exercise_date: 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.

F7 · derivative.underlying_shares: 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.

F7 · balance_after: 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.

F1 · ownership.nature: 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").

F7 · ownership.nature: 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.

F12 · ownership.nature: 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.

Read SEC document
June 18, 2024 Filed Jun 21, 2024 17:00 UTC OmniAb, Inc. OABI · Entity 5294 Exercise / conversionRestricted Stock Units · Derivative 20,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-24-073984 · tm2417785-1_4seq1.xml · derivative · entry 4

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 0

Underlying: Common stock, par value $0.0001 · 20,000 shares

Expires not disclosed

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

F5 · derivative.exercise_price: 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.

F4 · kind: 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.

F5 · price: 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.

F5 · derivative.exercise_date: 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.

F5 · derivative.expiration_date: 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.

F5 · balance_after: 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.

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F12 · ownership.nature: 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.

Read SEC document
June 18, 2024 Filed Jun 21, 2024 17:00 UTC OmniAb, Inc. OABI · Entity 5294 GrantRestricted Stock Units · Derivative 20,000 $0.00 $0.00
Disclosure

SEC source: 0001104659-24-073984 · tm2417785-1_4seq1.xml · derivative · entry 2

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 55,538

Underlying: Common stock, par value $0.0001 · 20,000 shares

Expires not disclosed

F6 · derivative.exercise_price: 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.

F6 · kind: 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.

F6 · derivative.exercise_date: 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.

F6 · derivative.expiration_date: 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.

F6 · balance_after: 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.

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F12 · ownership.nature: 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.

Read SEC document
June 18, 2024 Filed Jun 21, 2024 17:00 UTC OmniAb, Inc. OABI · Entity 5294 Exercise / conversionCommon stock, par value $0.0001 per share 20,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-24-073984 · tm2417785-1_4seq1.xml · nonDerivative · entry 1

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 15,855,704

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

F3 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Persons.

F5 · price: 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.

F8 · balance_after: 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.

F9 · balance_after: 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.

F10 · balance_after: 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).

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F12 · ownership.nature: 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.

F14 · ownership.nature: 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.

Read SEC document
November 01, 2023 Filed Nov 14, 2023 21:47 UTC OmniAb, Inc. OABI · Entity 5294 Exercise / conversionRestricted Stock Units · Derivative 17,770 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-23-118341 · tm2330765-1_4seq1.xml · derivative · entry 2

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 35,538

Underlying: Common stock, par value $0.0001 · 17,770 shares

Expires not disclosed

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

F4 · derivative.exercise_price: 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.

F3 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Persons.

F4 · price: 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.

F4 · derivative.exercise_date: 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.

F10 · derivative.exercise_date: 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).

F4 · derivative.expiration_date: 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.

F10 · derivative.expiration_date: 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).

F4 · balance_after: 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.

F10 · balance_after: 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).

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F11 · ownership.nature: 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.

Read SEC document
November 01, 2023 Filed Nov 14, 2023 21:47 UTC OmniAb, Inc. OABI · Entity 5294 Exercise / conversionCommon stock, par value $0.0001 per share 17,770 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-23-118341 · tm2330765-1_4seq1.xml · nonDerivative · entry 1

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 15,835,704

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

F3 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Persons.

F4 · price: 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.

F7 · balance_after: 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.

F8 · balance_after: 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.

F9 · balance_after: 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).

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F11 · ownership.nature: 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.

F13 · ownership.nature: 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.

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June 23, 2023 Filed Jun 27, 2023 21:46 UTC OmniAb, Inc. OABI · Entity 5294 GrantStock Options · Derivative 40,000 $0.00 Strike: $4.81 $0.00
Disclosure

SEC source: 0001104659-23-075413 · tm2319845-1_4seq1.xml · derivative · entry 5

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 40,000

Underlying: Common stock, par value $0.0001 · 40,000 shares

Expires 2033-06-23

F6 · derivative.exercise_date: 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.

F6 · derivative.underlying_shares: 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.

F6 · balance_after: 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.

F1 · ownership.nature: 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").

F6 · ownership.nature: 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.

F10 · ownership.nature: 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.

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June 23, 2023 Filed Jun 27, 2023 21:46 UTC OmniAb, Inc. OABI · Entity 5294 GrantRestricted Stock Units · Derivative 20,000 $0.00 $0.00
Disclosure

SEC source: 0001104659-23-075413 · tm2319845-1_4seq1.xml · derivative · entry 4

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Notes

Disclosed balance after: 20,000

Underlying: Common stock, par value $0.0001 · 20,000 shares

Expires not disclosed

F5 · derivative.exercise_price: 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.

F5 · derivative.exercise_date: 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.

F5 · derivative.expiration_date: 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.

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F10 · ownership.nature: 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.

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January 03, 2023 Filed Jan 5, 2023 20:54 UTC OmniAb, Inc. OABI · Entity 5294 GrantCommon stock, par value $0.0001 per share 53,308 $0.00 $0.00
Disclosure

SEC source: 0001104659-23-001606 · tm232303-1_4seq1.xml · nonDerivative · entry 1

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 15,871,242

F5 · kind: 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).

F5 · shares: 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).

F3 · balance_after: 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"),

F4 · balance_after: 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).

F1 · ownership.nature: 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").

F2 · ownership.nature: 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.

F6 · ownership.nature: 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.

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December 09, 2022 Filed Dec 13, 2022 16:35 UTC OmniAb, Inc. OABI · Entity 5294 OtherWarrants · Derivative 6,121,375 Not disclosed Strike: $11.50 Not disclosed
Disclosure

SEC source: 0001104659-22-126643 · tm2232531-1_4seq1.xml · derivative · entry 7

Avista Acquisition GP LLC II · CIK 0001846167 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Avista Acquisition LP II · CIK 0001846254 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 6,121,375

Underlying: Common stock, par value $0.0001 · 6,121,375 shares

Expires 2027-11-01

F3 · shares: 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.

F9 · shares: 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.

F10 · shares: 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.

F9 · price: 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.

F10 · price: 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.

F9 · derivative.exercise_date: 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.

F10 · derivative.exercise_date: 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.

F1 · ownership.nature: 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,

F2 · ownership.nature: (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").

F3 · ownership.nature: 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.

F5 · ownership.nature: 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.

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December 09, 2022 Filed Dec 13, 2022 16:35 UTC OmniAb, Inc. OABI · Entity 5294 OtherWarrants · Derivative 5,224,114 Not disclosed Strike: $11.50 Not disclosed
Disclosure

SEC source: 0001104659-22-126643 · tm2232531-1_4seq1.xml · derivative · entry 6

Avista Acquisition GP LLC II · CIK 0001846167 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Avista Acquisition LP II · CIK 0001846254 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 5,224,114

Underlying: Common stock, par value $0.0001 · 5,224,114 shares

Expires 2027-11-01

F3 · shares: 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.

F9 · shares: 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.

F10 · shares: 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.

F9 · price: 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.

F10 · price: 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.

F9 · derivative.exercise_date: 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.

F10 · derivative.exercise_date: 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.

F1 · ownership.nature: 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,

F2 · ownership.nature: (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").

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

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December 09, 2022 Filed Dec 13, 2022 16:35 UTC OmniAb, Inc. OABI · Entity 5294 OtherWarrants · Derivative 11,345,489 Not disclosed Strike: $11.50 Not disclosed
Disclosure

SEC source: 0001104659-22-126643 · tm2232531-1_4seq1.xml · derivative · entry 5

Avista Acquisition GP LLC II · CIK 0001846167 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Avista Acquisition LP II · CIK 0001846254 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 0

Underlying: Common stock, par value $0.0001 · 11,345,489 shares

Expires 2027-11-01

F3 · shares: 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.

F9 · shares: 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.

F10 · shares: 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.

F9 · price: 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.

F10 · price: 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.

F9 · derivative.exercise_date: 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.

F10 · derivative.exercise_date: 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.

F1 · ownership.nature: 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,

F2 · ownership.nature: (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").

F3 · ownership.nature: 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.

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December 09, 2022 Filed Dec 13, 2022 16:35 UTC OmniAb, Inc. OABI · Entity 5294 OtherCommon stock, par value $0.0001 per share 8,534,450 $0.00 $0.00
Disclosure

SEC source: 0001104659-22-126643 · tm2232531-1_4seq1.xml · nonDerivative · entry 3

Avista Acquisition GP LLC II · CIK 0001846167 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Avista Acquisition LP II · CIK 0001846254 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 8,534,450

F3 · shares: 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.

F3 · price: 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.

F6 · balance_after: 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.

F7 · balance_after: 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).

F1 · ownership.nature: 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,

F2 · ownership.nature: (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").

F3 · ownership.nature: 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.

F5 · ownership.nature: 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.

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December 09, 2022 Filed Dec 13, 2022 16:35 UTC OmniAb, Inc. OABI · Entity 5294 OtherCommon stock, par value $0.0001 per share 7,283,484 $0.00 $0.00
Disclosure

SEC source: 0001104659-22-126643 · tm2232531-1_4seq1.xml · nonDerivative · entry 2

Avista Acquisition GP LLC II · CIK 0001846167 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Avista Acquisition LP II · CIK 0001846254 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 7,283,484

F3 · shares: 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.

F3 · price: 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.

F6 · balance_after: 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.

F7 · balance_after: 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).

F1 · ownership.nature: 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,

F2 · ownership.nature: (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").

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

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December 09, 2022 Filed Dec 13, 2022 16:35 UTC OmniAb, Inc. OABI · Entity 5294 OtherCommon stock, par value $0.0001 per share 15,817,934 $0.00 $0.00
Disclosure

SEC source: 0001104659-22-126643 · tm2232531-1_4seq1.xml · nonDerivative · entry 1

Avista Acquisition GP LLC II · CIK 0001846167 · Director · 10% owner

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

Dean Thompson · CIK 0001069096 · Director · 10% owner

Avista Acquisition LP II · CIK 0001846254 · Director · 10% owner

Tamaroff Joshua Alexander · CIK 0001705548 · Director · 10% owner

Avista Capital Partners V, L.P. · CIK 0001774142 · Director · 10% owner

Avista Capital Partners (Offshore) V, L.P. · CIK 0001774143 · Director · 10% owner

Avista Capital Partners V GP, L.P. · CIK 0001957305 · Director · 10% owner

Avista Capital Managing Member V, LLC · CIK 0001957307 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Notes

Disclosed balance after: 0

F3 · shares: 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.

F3 · price: 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.

F1 · ownership.nature: 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,

F2 · ownership.nature: (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").

F3 · ownership.nature: 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.