Weiss Asset Management LP - 23 Sep 2026 Form 4 Insider Report for Theravance Biopharma, Inc. (TBPH)

Reporting relationship: Former 10% Owner
Issuer ticker: TBPH
Reported as of: 23 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Sep 2026, 15:20:28 UTC
Prior SEC filing: 18 Feb 2026
Source filing: View source filing
Reporting owner signature: Georgiy Nikitin, Chief Compliance Officer, Weiss Asset Management LP and WAM GP LLC

Filing notes and source

Key filing fact

Weiss Asset Management LP filed Form 4 for Theravance Biopharma, Inc. (TBPH) on 28 Sep 2026.

Key facts

This page summarizes Weiss Asset Management LP's Form 4 filing for Theravance Biopharma, Inc. (TBPH).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 28 Sep 2026, 15:20.

Change

Previous filing in this sequence was filed on 18 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (3)

CIK 0001357550 Primary reporting owner

Weiss Asset Management LP

Relationship: Former 10% Owner
Address: 222 BERKELEY STREET, 16TH FLOOR, BOSTON
Signature: Georgiy Nikitin, Chief Compliance Officer, Weiss Asset Management LP and WAM GP LLC
Signature date: 28 Sep 2026

CIK 0001357643

WEISS ANDREW M

Relationship: Former 10% Owner
Address: 222 BERKELEY STREET, 16TH FLOOR, BOSTON
Signature: Georgiy Nikitin, duly authorized under a power of attorney by Andrew M. Weiss
Signature date: 28 Sep 2026

CIK 0001504664

WAM GP LLC

Relationship: Former 10% Owner
Address: 222 BERKELEY STREET, 16TH FLOOR, BOSTON
Signature: Georgiy Nikitin, Chief Compliance Officer, Weiss Asset Management LP and WAM GP LLC
Signature date: 28 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TBPH transaction

Ordinary Share $0.00001 Par Value

Other

Transaction value
Shares: -7,457,060
Change %: -100%
Price: $17.00^*
Shares after: 0
Date: 23 Sep 2026
Ownership: See Footnote 2
Footnotes: F1, F2, F3

TBPH transaction

Ordinary Share $0.00001 Par Value

Other

Transaction value
Shares: -7,457,060
Change %: -100%
Price: $17.00^*
Shares after: 0
Date: 23 Sep 2026
Ownership: See Footnote 2
Footnotes: F1, F2, F3

TBPH transaction

Ordinary Share $0.00001 Par Value

Other

Transaction value
Shares: -7,457,060
Change %: -100%
Price: $17.00^*
Shares after: 0
Date: 23 Sep 2026
Ownership: See Footnote 2
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Weiss Asset Management LP is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 3 footnotes

Footnote 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.

Footnote 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.

Footnote F3

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