organization · Reporting owner

Weiss Asset Management LP

Disclosed activity across 7 companies

Tapewire entity: 65992
SEC CIK: 0001357550

Reported relationships

Latest disclosed role at each company.

Company	Last reported as	Report date	Published
Atlantic Alliance Partnership Corp.AAPC · Entity 181250	10% owner	November 03, 2016	November 07, 2016

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.

Atlantic Alliance Partnership Corp.

Report date November 03, 2016 · Filed November 07, 2016

Jointly reported with WEISS ANDREW M, WAM GP LLC

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Ordinary SharesSEC Table I · non-derivative	IndirectSee Footnote 1	0	Reported balance After 2016-11-03 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 1 · 2016-11-03 · Other · Disposed 1,225,100 · Balance 0 F2: Redemption of ordinary shares to the issuer. F1: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Managing Member of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Managing Member of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.

F2: Redemption of ordinary shares to the issuer.

Past disclosures · reporting ended (6)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

AVADEL PHARMACEUTICALS PLC

Report date February 13, 2026 · Filed February 18, 2026

Jointly reported with WEISS ANDREW M

Section 16 reporting ended · disclosed 2026-02-18. Current position is not established by this disclosure.

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Ordinary SharesSEC Table I · non-derivative	IndirectSee Footnote 2	0	Reported balance After 2026-02-13 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 1 · 2026-02-13 · Sale · Disposed 11,112,052 · Balance 0 F1: Represents the cash portion of the consideration paid to shareholders upon the closing of the acquisition of the Issuer by Alkermes plc. In connection with such transaction, each outstanding share was automatically converted into the right to receive $21.00 per share in cash, plus a contingent value right to receive a payment of $1.50 in cash if a specified milestone is achieved. F2: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Manager of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Represents the cash portion of the consideration paid to shareholders upon the closing of the acquisition of the Issuer by Alkermes plc. In connection with such transaction, each outstanding share was automatically converted into the right to receive $21.00 per share in cash, plus a contingent value right to receive a payment of $1.50 in cash if a specified milestone is achieved.

F2: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Manager of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.

ENJOY TECHNOLOGY, INC./DE

Report date May 14, 2021 · Filed May 17, 2021

Jointly reported with WEISS ANDREW M, WAM GP LLC

Section 16 reporting ended · disclosed 2021-05-17. Current position is not established by this disclosure.

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Class A Ordinary SharesSEC Table I · non-derivative	IndirectSee Footnote 1	3,694,543	Reported balance After 2021-05-14 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 1 · 2021-05-14 · Sale · Disposed 150,000 · Balance 3,694,543 F1: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as an investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Manager of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as an investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Manager of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.

FORUM MARKETS Inc

Report date June 05, 2019 · Filed June 07, 2019

Jointly reported with WEISS ANDREW M, WAM GP LLC

Section 16 reporting ended · disclosed 2019-06-07. Current position is not established by this disclosure.

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Common Stock, par value $0.0001 per shareSEC Table I · non-derivative	IndirectSee Footnote 3	757,860	Reported balance After 2019-06-05 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 1 · 2019-06-05 · Other · Disposed 310,000 · Balance 757,860 F1: Voluntary redemption to the issuer. F2: The price is estimated based on the information in Form 8-K filed by the issuer on June 6, 2019. F3: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as an investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Managing Member of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Voluntary redemption to the issuer.

F2: The price is estimated based on the information in Form 8-K filed by the issuer on June 6, 2019.

F3: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as an investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Managing Member of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.

Pfenex Inc.

Report date September 30, 2020 · Filed October 02, 2020

Jointly reported with WEISS ANDREW M, WAM GP LLC

Section 16 reporting ended · disclosed 2020-10-02. Current position is not established by this disclosure.

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Common StockSEC Table I · non-derivative	IndirectSee Footnote 2	3,418,631	Reported balance After 2020-09-30 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 1 · 2020-09-30 · Other · Disposed 801,424 · Balance 3,418,631 F1: In addition, for each share tendered we are expecting to receive one Contingent Value Right (CVR) which, by its terms, will entitle the holder to either $0 or $2 payable by December 31, 2021. F2: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as an investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Managing Member of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: In addition, for each share tendered we are expecting to receive one Contingent Value Right (CVR) which, by its terms, will entitle the holder to either $0 or $2 payable by December 31, 2021.

F2: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as an investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Managing Member of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.

Theravance Biopharma, Inc.

Report date September 23, 2026 · Filed September 28, 2026

Jointly reported with WEISS ANDREW M, WAM GP LLC

Section 16 reporting ended · disclosed 2026-09-28. Current position is not established by this disclosure.

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Ordinary Share $0.00001 Par ValueSEC Table I · non-derivative	IndirectSee Footnote 2	0	Reported balance After 2026-09-23 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 1 · 2026-09-23 · Other · Disposed 7,457,060 · Balance 0 F1: On September 23, 2026, pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated June 28, 2026, by and among the Issuer, Zymeworks Inc. ("Parent"), and Zymeworks Merger Sub 1, a wholly owned subsidiary of Parent, the Issuer became a wholly owned subsidiary of Parent (the "Merger"). At the effective time of the Merger (the "Effective Time"), pursuant to the Merger Agreement, each Ordinary Share $0.00001 Par Value of the Issuer held by the reporting person as of immediately prior to the Effective Time was cancelled and converted into the right to receive (i) $17.00 in cash, without interest (the "Per Share Cash Consideration") and (ii) one contingent value right (a "CVR"). Each CVR represents a non-tradeable contractual contingent right to receive cash payments based on the achievement of certain commercial milestones following the Effective Time. F2: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Manager of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein. F3: Represents the cash portion of the consideration paid to shareholders upon the closing of the Merger.

Filing footnotes · ownership attribution and instrument terms

F1: On September 23, 2026, pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated June 28, 2026, by and among the Issuer, Zymeworks Inc. ("Parent"), and Zymeworks Merger Sub 1, a wholly owned subsidiary of Parent, the Issuer became a wholly owned subsidiary of Parent (the "Merger"). At the effective time of the Merger (the "Effective Time"), pursuant to the Merger Agreement, each Ordinary Share $0.00001 Par Value of the Issuer held by the reporting person as of immediately prior to the Effective Time was cancelled and converted into the right to receive (i) $17.00 in cash, without interest (the "Per Share Cash Consideration") and (ii) one contingent value right (a "CVR"). Each CVR represents a non-tradeable contractual contingent right to receive cash payments based on the achievement of certain commercial milestones following the Effective Time.

F3: Represents the cash portion of the consideration paid to shareholders upon the closing of the Merger.

Thunder Bridge Capital Partners IV, Inc.

Report date June 30, 2021 · Filed August 19, 2021

Jointly reported with WEISS ANDREW M, BIP GP LLC

Section 16 reporting ended · disclosed 2021-08-19. Current position is not established by this disclosure.

No balance rows disclosed in this filing.

Transaction history

JSON API

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 date	Company	Activity / security	Shares / units	Reported price	Reported value	Details
September 23, 2026 Filed Sep 28, 2026 19:20 UTC	Theravance Biopharma, Inc. TBPH · Entity 5037	OtherOrdinary Share $0.00001 Par Value	7,457,060	$17.00	$126,770,020.00	Disclosure SEC source: 0001357550-26-000033 · primary_doc.xml · nonDerivative · entry 1 Weiss Asset Management LP · CIK 0001357550 · Former 10% Owner WEISS ANDREW M · CIK 0001357643 · Former 10% Owner WAM GP LLC · CIK 0001504664 · Former 10% Owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote 2 Disclosed balance after: 0 F1 · kind: On September 23, 2026, pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated June 28, 2026, by and among the Issuer, Zymeworks Inc. ("Parent"), and Zymeworks Merger Sub 1, a wholly owned subsidiary of Parent, the Issuer became a wholly owned subsidiary of Parent (the "Merger"). At the effective time of the Merger (the "Effective Time"), pursuant to the Merger Agreement, each Ordinary Share $0.00001 Par Value of the Issuer held by the reporting person as of immediately prior to the Effective Time was cancelled and converted into the right to receive (i) $17.00 in cash, without interest (the "Per Share Cash Consideration") and (ii) one contingent value right (a "CVR"). Each CVR represents a non-tradeable contractual contingent right to receive cash payments based on the achievement of certain commercial milestones following the Effective Time. F2 · shares: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Manager of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein. F3 · price: Represents the cash portion of the consideration paid to shareholders upon the closing of the Merger. Read SEC document
February 13, 2026 Filed Feb 18, 2026 17:18 UTC	AVADEL PHARMACEUTICALS PLC AVDL · Entity 65991	SaleOrdinary Shares	11,112,052	$21.00	$233,353,092.00	Disclosure SEC source: 0001357550-26-000015 · primary_doc.xml · nonDerivative · entry 1 Weiss Asset Management LP · CIK 0001357550 · Former 10% Owner WEISS ANDREW M · CIK 0001357643 · Former 10% Owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote 2 Disclosed balance after: 0 F1 · price: Represents the cash portion of the consideration paid to shareholders upon the closing of the acquisition of the Issuer by Alkermes plc. In connection with such transaction, each outstanding share was automatically converted into the right to receive $21.00 per share in cash, plus a contingent value right to receive a payment of $1.50 in cash if a specified milestone is achieved. F2 · ownership.nature: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Manager of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein. Read SEC document
May 14, 2021 Filed May 17, 2021 15:59 UTC	ENJOY TECHNOLOGY, INC./DE MRAC · Entity 126222	SaleClass A Ordinary Shares	150,000	$9.86	$1,479,000.00	Disclosure SEC source: 0001357550-21-000044 · primary_doc.xml · nonDerivative · entry 1 Weiss Asset Management LP · CIK 0001357550 · 10% owner WEISS ANDREW M · CIK 0001357643 · 10% owner WAM GP LLC · CIK 0001504664 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote 1 Disclosed balance after: 3,694,543 F1 · balance_after: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as an investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Manager of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein. Read SEC document
September 30, 2020 Filed Oct 2, 2020 16:35 UTC	Pfenex Inc. PFNX · Entity 146052	OtherCommon Stock	801,424	$12.00	$9,617,088.00	Disclosure SEC source: 0001357550-20-000064 · primary_doc.xml · nonDerivative · entry 1 Weiss Asset Management LP · CIK 0001357550 · 10% owner WEISS ANDREW M · CIK 0001357643 · 10% owner WAM GP LLC · CIK 0001504664 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote 2 Disclosed balance after: 3,418,631 F1 · price: In addition, for each share tendered we are expecting to receive one Contingent Value Right (CVR) which, by its terms, will entitle the holder to either $0 or $2 payable by December 31, 2021. F2 · balance_after: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as an investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Managing Member of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein. Read SEC document
September 29, 2020 Filed Sep 30, 2020 16:33 UTC	Pfenex Inc. PFNX · Entity 146052	SaleCommon Stock	100,000	$12.74	$1,273,580.00	Disclosure SEC source: 0001357550-20-000062 · primary_doc.xml · nonDerivative · entry 1 Weiss Asset Management LP · CIK 0001357550 · 10% owner WEISS ANDREW M · CIK 0001357643 · 10% owner WAM GP LLC · CIK 0001504664 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote 1 Disclosed balance after: 4,220,055 F1 · balance_after: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as an investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Managing Member of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein. Read SEC document
June 05, 2019 Filed Jun 7, 2019 21:03 UTC	FORUM MARKETS Inc KBLM · Entity 7020	OtherCommon Stock, par value $0.0001 per share	310,000	$10.42	$3,230,200.00	Disclosure SEC source: 0001357550-19-000059 · primary_doc.xml · nonDerivative · entry 1 Weiss Asset Management LP · CIK 0001357550 · 10% owner WEISS ANDREW M · CIK 0001357643 · 10% owner WAM GP LLC · CIK 0001504664 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote 3 Disclosed balance after: 757,860 F1 · kind: Voluntary redemption to the issuer. F2 · price: The price is estimated based on the information in Form 8-K filed by the issuer on June 6, 2019. F3 · balance_after: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as an investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Managing Member of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein. Read SEC document
November 03, 2016 Filed Nov 7, 2016 22:07 UTC	Atlantic Alliance Partnership Corp. AAPC · Entity 181250	OtherOrdinary Shares	1,225,100	$10.52	$12,888,052.00	Disclosure SEC source: 0001357550-16-000023 · primary_doc.xml · nonDerivative · entry 1 Weiss Asset Management LP · CIK 0001357550 · 10% owner WEISS ANDREW M · CIK 0001357643 · 10% owner WAM GP LLC · CIK 0001504664 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote 1 Disclosed balance after: 0 F2 · kind: Redemption of ordinary shares to the issuer. F1 · balance_after: Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Managing Member of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein. Read SEC document

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