Zymeworks Inc.

Symbol
ZYME on Nasdaq
Business address
108 Patriot Drive, Suite A, Middletown, DE, 19709
State of incorporation
DE
Fiscal year end
31 December
Former names
Zymeworks Delaware Inc. (to 13 Oct 2022)
Get insider transactions for this issuer
Zymeworks Inc. has filed 274 SEC EDGAR filings since 15 Jul 2022

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open Document | Data Open Filing 8-K 30 Dec 2025 30 Dec 2025 001-41535
4 Open Document Open Filing 4 22 Dec 2025 22 Dec 2025
144 Open Document Open Filing 22 Dec 2025 001-41535
144 Open Document Open Filing 24 Nov 2025 001-41535
144 Open Document Open Filing 21 Nov 2025 001-41535
SCHEDULE 13D/A Open Document Open Filing 19 Nov 2025 005-93790
8-K Open Document | Data Open Filing 8-K 18 Nov 2025 16 Nov 2025 001-41535
8-K Open Document | Data Open Filing 8-K 17 Nov 2025 17 Nov 2025 001-41535
SCHEDULE 13G/A Open Document Open Filing 14 Nov 2025 005-93790
SCHEDULE 13G/A Open Document Open Filing 14 Nov 2025 005-93790
ARS Open Document Open Filing ARS 10 Nov 2025 31 Dec 2024 001-41535
DEFA14A Open Document Open Filing DEFA14A 10 Nov 2025 001-41535
DEF 14A Open Document | Data Open Filing DEF 14A 10 Nov 2025 30 Dec 2025 001-41535
10-Q Open Document | Data Open Filing 10-Q 06 Nov 2025 30 Sep 2025 001-41535
8-K Open Document | Data Open Filing 8-K 06 Nov 2025 06 Nov 2025 001-41535
8-K Open Document | Data Open Filing 8-K 02 Sep 2025 02 Sep 2025 001-41535
SCHEDULE 13G/A Open Document Open Filing 14 Aug 2025 005-93790
4 Open Document Open Filing 4 12 Aug 2025 11 Aug 2025
4 Open Document Open Filing 4 12 Aug 2025 11 Aug 2025
3 Open Document Open Filing 3 12 Aug 2025 10 Aug 2025
3 Open Document Open Filing 3 12 Aug 2025 10 Aug 2025
8-K Open Document | Data Open Filing 8-K 11 Aug 2025 09 Aug 2025 001-41535
10-Q Open Document | Data Open Filing 10-Q 07 Aug 2025 30 Jun 2025 001-41535
8-K Open Document | Data Open Filing 8-K 07 Aug 2025 07 Aug 2025 001-41535
SCHEDULE 13G/A Open Document Open Filing 16 Jul 2025 005-93790
SCHEDULE 13D Open Document Open Filing 27 Jun 2025 005-93790
4 Open Document Open Filing 27 Jun 2025 26 Jun 2025
8-K Open Document | Data Open Filing 8-K 27 Jun 2025 26 Jun 2025 001-41535
8-K Open Document | Data Open Filing 8-K 30 May 2025 30 May 2025 001-41535
4 Open Document Open Filing 19 May 2025 15 May 2025
10-Q Open Document | Data Open Filing 10-Q 08 May 2025 31 Mar 2025 001-41535
8-K Open Document | Data Open Filing 8-K 08 May 2025 08 May 2025 001-41535
SCHEDULE 13G/A Open Document Open Filing 07 May 2025 005-93790
4 Open Document Open Filing 18 Apr 2025 16 Apr 2025
SCHEDULE 13D/A Open Document Open Filing 08 Apr 2025 005-93790
4 Open Document Open Filing 07 Apr 2025 03 Apr 2025
4 Open Document Open Filing 02 Apr 2025 31 Mar 2025
4 Open Document Open Filing 27 Mar 2025 25 Mar 2025
4 Open Document Open Filing 24 Mar 2025 20 Mar 2025
4 Open Document Open Filing 19 Mar 2025 17 Mar 2025
SCHEDULE 13D/A Open Document Open Filing 17 Mar 2025 005-93790
4 Open Document Open Filing 13 Mar 2025 11 Mar 2025
S-8 Open Document | Data Open Filing S-8 05 Mar 2025 333-285579
S-8 Open Document | Data Open Filing S-8 05 Mar 2025 333-285577
10-K Open Document | Data Open Filing 10-K 05 Mar 2025 31 Dec 2024 001-41535
8-K Open Document | Data Open Filing 8-K 05 Mar 2025 05 Mar 2025 001-41535
SCHEDULE 13D/A Open Document Open Filing 18 Feb 2025 005-93790
3 Open Document Open Filing 18 Feb 2025 17 Feb 2025
8-K Open Document | Data Open Filing 8-K 18 Feb 2025 17 Feb 2025 001-41535
SCHEDULE 13G/A Open Document Open Filing 14 Feb 2025 005-93790
4 Open Document Open Filing 21 Jan 2025 16 Jan 2025
4 Open Document Open Filing 15 Jan 2025 13 Jan 2025
SCHEDULE 13D/A Open Document Open Filing 13 Jan 2025 005-93790
4 Open Document Open Filing 10 Jan 2025 08 Jan 2025
4 Open Document Open Filing 4 10 Jan 2025 10 Jan 2025
4 Open Document Open Filing 4 10 Jan 2025 10 Jan 2025
4 Open Document Open Filing 4 10 Jan 2025 10 Jan 2025
4 Open Document Open Filing 4 10 Jan 2025 10 Jan 2025
8-K Open Document | Data Open Filing 8-K 08 Jan 2025 08 Jan 2025 001-41535
4 Open Document Open Filing 4 06 Jan 2025 06 Jan 2025
4 Open Document Open Filing 4 06 Jan 2025 06 Jan 2025
4 Open Document Open Filing 4 06 Jan 2025 06 Jan 2025
144 Open Document Open Filing 06 Jan 2025 001-41535
144 Open Document Open Filing 06 Jan 2025 001-41535
144 Open Document Open Filing 06 Jan 2025 001-41535
4 Open Document Open Filing 02 Jan 2025 30 Dec 2024
4 Open Document Open Filing 27 Dec 2024 24 Dec 2024
4/A Open Document Open Filing 26 Dec 2024 19 Dec 2024
SCHEDULE 13D/A Open Document Open Filing 23 Dec 2024 005-93790
4 Open Document Open Filing 23 Dec 2024 26 Dec 2023
4 Open Document Open Filing 4 12 Dec 2024 10 Dec 2024
4 Open Document Open Filing 4 12 Dec 2024 10 Dec 2024
4 Open Document Open Filing 4 12 Dec 2024 10 Dec 2024
4 Open Document Open Filing 4 12 Dec 2024 10 Dec 2024
4 Open Document Open Filing 4 12 Dec 2024 10 Dec 2024
4 Open Document Open Filing 4 12 Dec 2024 10 Dec 2024
4 Open Document Open Filing 4 12 Dec 2024 10 Dec 2024
4 Open Document Open Filing 4 12 Dec 2024 10 Dec 2024
8-K Open Document | Data Open Filing 8-K 11 Dec 2024 10 Dec 2024 001-41535
8-K Open Document | Data Open Filing 8-K 21 Nov 2024 21 Nov 2024 001-41535
SC 13G/A Open Document Open Filing SC 13G/A 14 Nov 2024 005-93790
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G 14 Nov 2024 005-93790
SC 13G Open Document Open Filing SC 13G 13 Nov 2024 005-93790
10-Q Open Document | Data Open Filing 10-Q 31 Oct 2024 30 Sep 2024 001-41535
8-K Open Document | Data Open Filing 8-K 31 Oct 2024 31 Oct 2024 001-41535
ARS Open Document Open Filing ARS 29 Oct 2024 31 Dec 2023 001-41535
DEFA14A Open Document Open Filing DEFA14A 29 Oct 2024 001-41535
DEF 14A Open Document Open Filing DEF 14A 29 Oct 2024 10 Dec 2024 001-41535
8-K Open Document | Data Open Filing 8-K 18 Oct 2024 15 Oct 2024 001-41535
4 Open Document Open Filing 4 03 Sep 2024 01 Sep 2024
3 Open Document Open Filing 3 03 Sep 2024 01 Sep 2024
8-K Open Document | Data Open Filing 8-K 03 Sep 2024 30 Aug 2024 001-41535
8-K Open Document | Data Open Filing 8-K 02 Aug 2024 02 Aug 2024 001-41535
424B5 Open Document Open Filing 424B5 02 Aug 2024 333-279073
8-K Open Document | Data Open Filing 8-K 01 Aug 2024 01 Aug 2024 001-41535
10-Q Open Document | Data Open Filing 10-Q 01 Aug 2024 30 Jun 2024 001-41535
8-K Open Document | Data Open Filing 8-K 01 Aug 2024 01 Aug 2024 001-41535
8-K Open Document | Data Open Filing 8-K 25 Jul 2024 19 Jul 2024 001-41535
144 Open Document Open Filing 11 Jun 2024 001-41535
8-K Open Document | Data Open Filing 8-K 10 Jun 2024 10 Jun 2024 001-41535
8-K Open Document | Data Open Filing 8-K 03 May 2024 03 May 2024 001-41535
424B5 Open Document Open Filing 424B5 03 May 2024 333-279073
424B5 Open Document Open Filing 424B5 03 May 2024 333-279073
S-3ASR Open Document Open Filing S-3ASR 02 May 2024 333-279073
10-Q Open Document | Data Open Filing 10-Q 02 May 2024 31 Mar 2024 001-41535
8-K Open Document | Data Open Filing 8-K 02 May 2024 02 May 2024 001-41535
8-K Open Document | Data Open Filing 8-K 04 Apr 2024 03 Apr 2024 001-41535
4 Open Document Open Filing 4 02 Apr 2024 02 Apr 2024
3 Open Document Open Filing 3 02 Apr 2024 02 Apr 2024
8-K Open Document | Data Open Filing 8-K 01 Apr 2024 31 Mar 2024 001-41535
8-K Open Document | Data Open Filing 8-K 28 Mar 2024 27 Mar 2024 001-41535
S-3ASR Open Document Open Filing S-3ASR 07 Mar 2024 333-277751
RW Open Document Open Filing RW 07 Mar 2024 333-277717
S-8 Open Document Open Filing S-8 07 Mar 2024 333-277721
S-3 Open Document Open Filing S-3 06 Mar 2024 333-277717
10-K Open Document | Data Open Filing 10-K 06 Mar 2024 31 Dec 2023 001-41535
8-K Open Document | Data Open Filing 8-K 06 Mar 2024 06 Mar 2024 001-41535
3 Open Document Open Filing 04 Mar 2024 22 Feb 2024
SC 13D Open Document Open Filing 22 Feb 2024 005-93790
8-K Open Document | Data Open Filing 8-K 22 Feb 2024 22 Feb 2024 001-41535
SC 13G/A Open Document Open Filing 14 Feb 2024 005-93790
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2024 005-93790
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2024 005-93790
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2024 005-93790
4 Open Document Open Filing 4 09 Feb 2024 08 Feb 2024
3 Open Document Open Filing 3 09 Feb 2024 08 Feb 2024
SC 13G/A Open Document Open Filing MS AMENDMENT 09 Feb 2024 005-93790
8-K Open Document | Data Open Filing 8-K 08 Feb 2024 06 Feb 2024 001-41535
SC 13G Open Document Open Filing 29 Jan 2024 005-93790
4 Open Document Open Filing 4 08 Jan 2024 05 Jan 2024
4 Open Document Open Filing 4 08 Jan 2024 05 Jan 2024
4 Open Document Open Filing 4 08 Jan 2024 05 Jan 2024
4 Open Document Open Filing 4 08 Jan 2024 05 Jan 2024
144 Open Document Open Filing 05 Jan 2024 001-41535
144 Open Document Open Filing 05 Jan 2024 001-41535
144 Open Document Open Filing 05 Jan 2024 001-41535
3 Open Document Open Filing 3 05 Jan 2024 03 Jan 2024
8-K Open Document | Data Open Filing 8-K 05 Jan 2024 03 Jan 2024 001-41535
8-K Open Document | Data Open Filing 8-K 04 Jan 2024 04 Jan 2024 001-41535
D Open Document Open Filing 03 Jan 2024 021-501459
4 Open Document Open Filing 28 Dec 2023 26 Dec 2023
8-K Open Document | Data Open Filing 8-K 26 Dec 2023 23 Dec 2023 001-41535
4 Open Document Open Filing 4 11 Dec 2023 11 Dec 2023
4 Open Document Open Filing 4 08 Dec 2023 07 Dec 2023
4 Open Document Open Filing 4 08 Dec 2023 07 Dec 2023
4 Open Document Open Filing 4 08 Dec 2023 07 Dec 2023
4 Open Document Open Filing 4 08 Dec 2023 07 Dec 2023
4 Open Document Open Filing 4 08 Dec 2023 07 Dec 2023
4 Open Document Open Filing 4 08 Dec 2023 07 Dec 2023
4 Open Document Open Filing 4 08 Dec 2023 07 Dec 2023
4 Open Document Open Filing 4 08 Dec 2023 07 Dec 2023
3 Open Document Open Filing 3 08 Dec 2023 07 Dec 2023
8-K Open Document | Data Open Filing 8-K 08 Dec 2023 06 Dec 2023 001-41535
10-Q Open Document | Data Open Filing 10-Q 07 Nov 2023 30 Sep 2023 001-41535
8-K Open Document | Data Open Filing 8-K 07 Nov 2023 07 Nov 2023 001-41535
8-K Open Document | Data Open Filing 8-K 02 Nov 2023 27 Oct 2023 001-41535
ARS Open Document Open Filing ARS 26 Oct 2023 31 Dec 2022 001-41535
DEFA14A Open Document Open Filing DEFA14A 26 Oct 2023 001-41535
DEF 14A Open Document Open Filing DEF 14A 26 Oct 2023 07 Dec 2023 001-41535
8-K Open Document | Data Open Filing 8-K 16 Oct 2023 11 Oct 2023 001-41535
8-K Open Document | Data Open Filing 8-K 21 Sep 2023 18 Sep 2023 001-41535
10-Q Open Document | Data Open Filing 10-Q 10 Aug 2023 30 Jun 2023 001-41535
8-K Open Document | Data Open Filing 8-K 10 Aug 2023 10 Aug 2023 001-41535
4 Open Document Open Filing 4 30 Jun 2023 30 Jun 2023
3 Open Document Open Filing 3 30 Jun 2023 30 Jun 2023
8-K Open Document | Data Open Filing 8-K 29 Jun 2023 26 Jun 2023 001-41535
SC 13G/A Open Document Open Filing 21 Jun 2023 005-93790
4 Open Document Open Filing 21 Jun 2023 16 Jun 2023
8-A12B/A Open Document Open Filing 8-A12B/A 12 Jun 2023 001-41535
8-K Open Document | Data Open Filing 8-K 12 Jun 2023 12 Jun 2023 001-41535
8-K Open Document | Data Open Filing 8-K 05 Jun 2023 02 Jun 2023 001-41535
8-K Open Document | Data Open Filing 8-K 18 May 2023 17 May 2023 001-41535
8-K Open Document | Data Open Filing 8-K 16 May 2023 15 May 2023 001-41535
424B5 Open Document Open Filing 424B5 08 May 2023 333-259970-01
424B5 Open Document Open Filing 424B5 08 May 2023 333-259970-01
8-K Open Document | Data Open Filing 8-K 08 May 2023 08 May 2023 001-41535
10-Q Open Document | Data Open Filing 10-Q 08 May 2023 31 Mar 2023 001-41535
EFFECT Open Document Open Filing 28 Apr 2023 333-259970-01
10-K/A Open Document | Data Open Filing 10-K/A 28 Apr 2023 31 Dec 2022 001-41535
8-K Open Document | Data Open Filing 8-K 26 Apr 2023 25 Apr 2023 001-41535
8-K Open Document | Data Open Filing 8-K 18 Apr 2023 18 Apr 2023 001-41535
4 Open Document Open Filing FORM 4 SUBMISSION 10 Apr 2023 10 Apr 2023
3 Open Document Open Filing FORM 3 SUBMISSION 10 Apr 2023 10 Apr 2023
8-K Open Document | Data Open Filing 8-K 10 Apr 2023 10 Apr 2023 001-41535
4 Open Document Open Filing 30 Mar 2023 28 Mar 2023
8-K Open Document | Data Open Filing 8-K 17 Mar 2023 17 Mar 2023 001-41535
8-K Open Document | Data Open Filing 8-K 15 Mar 2023 09 Mar 2023 001-41535
4 Open Document Open Filing FORM 4 SUBMISSION 14 Mar 2023 10 Mar 2023
S-8 Open Document Open Filing S-8 07 Mar 2023 333-270338
POS AM Open Document Open Filing POS AM 07 Mar 2023 333-259970-01
10-K Open Document | Data Open Filing 10-K 07 Mar 2023 31 Dec 2022 001-41535
POSASR Open Document Open Filing POSASR 07 Mar 2023 333-259970-01
8-K Open Document | Data Open Filing 8-K 07 Mar 2023 07 Mar 2023 001-41535
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2023 005-93790
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2023 005-93790
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2023 005-93790
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2023 005-93790
SC 13G/A Open Document Open Filing 10 Feb 2023 005-93790
SC 13G Open Document Open Filing MS INITIAL 10 Feb 2023 005-93790
SC 13G/A Open Document Open Filing NONE 02 Feb 2023 005-93790
4 Open Document Open Filing FORM 4 23 Jan 2023 19 Jan 2023
8-K Open Document | Data Open Filing 8-K 19 Jan 2023 19 Jan 2023 001-41535
4 Open Document Open Filing FORM 4 18 Jan 2023 13 Jan 2023
4 Open Document Open Filing FORM 4 12 Jan 2023 10 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jan 2023 05 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jan 2023 05 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jan 2023 05 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jan 2023 05 Jan 2023
8-K Open Document | Data Open Filing 8-K 04 Jan 2023 03 Jan 2023 001-41535
SC 13G Open Document Open Filing THE SCHEDULE 13G 03 Jan 2023 005-93790
8-K Open Document | Data Open Filing 8-K 30 Dec 2022 30 Dec 2022 001-41535
SC 13D/A Open Document Open Filing 28 Dec 2022 005-93790
SC 13D/A Open Document Open Filing 28 Dec 2022 005-93790
4/A Open Document Open Filing FORM 4/A SUBMISSION 23 Dec 2022 12 Dec 2022
4/A Open Document Open Filing FORM 4/A SUBMISSION 23 Dec 2022 10 Nov 2022
4 Open Document Open Filing FORM 4 SUBMISSION 23 Dec 2022 22 Dec 2022
4 Open Document Open Filing FORM 4 SUBMISSION 23 Dec 2022 21 Dec 2022
4 Open Document Open Filing FORM 4 SUBMISSION 23 Dec 2022 21 Dec 2022
4 Open Document Open Filing FORM 4 SUBMISSION 23 Dec 2022 21 Dec 2022
4 Open Document Open Filing FORM 4 SUBMISSION 23 Dec 2022 21 Dec 2022
4 Open Document Open Filing FORM 4 SUBMISSION 23 Dec 2022 21 Dec 2022
4 Open Document Open Filing FORM 4 SUBMISSION 23 Dec 2022 21 Dec 2022
4 Open Document Open Filing FORM 4 SUBMISSION 23 Dec 2022 21 Dec 2022
8-K Open Document | Data Open Filing 8-K 21 Dec 2022 21 Dec 2022 001-41535
8-K Open Document | Data Open Filing 8-K 19 Dec 2022 16 Dec 2022 001-41535
8-K Open Document | Data Open Filing 8-K 19 Dec 2022 19 Dec 2022 001-41535
CERT Open Document Open Filing 15 Dec 2022 001-41535
25 Open Document Open Filing FORM 25 15 Dec 2022 001-41535
8-A12B Open Document Open Filing 8-A12B 15 Dec 2022 001-41535
4 Open Document Open Filing FORM 4 SUBMISSION 14 Dec 2022 12 Dec 2022
8-K Open Document | Data Open Filing 8-K 09 Dec 2022 09 Dec 2022 001-41535
DEFA14A Open Document Open Filing DEFA14A 08 Dec 2022 001-41535
8-K Open Document | Data Open Filing 8-K 05 Dec 2022 30 Nov 2022 001-41535
8-K Open Document | Data Open Filing 8-K 29 Nov 2022 29 Nov 2022 001-41535
DEF 14A Open Document Open Filing DEF 14A 25 Nov 2022 16 Dec 2022 001-41535
8-K Open Document | Data Open Filing 8-K 18 Nov 2022 17 Nov 2022 001-41535
4 Open Document Open Filing FORM 4 SUBMISSION 14 Nov 2022 10 Nov 2022
8-K Open Document | Data Open Filing 8-K 09 Nov 2022 09 Nov 2022 001-41535
424B5 Open Document Open Filing 424B5 09 Nov 2022 333-259970-01
8-K Open Document | Data Open Filing 8-K 08 Nov 2022 08 Nov 2022 001-41535
10-Q Open Document | Data Open Filing 10-Q 08 Nov 2022 30 Sep 2022 001-41535
SC 13G/A Open Document Open Filing 01 Nov 2022 005-93790
3 Open Document Open Filing FORM 3 01 Nov 2022 31 Oct 2022
SC 13G Open Document Open Filing 28 Oct 2022 005-93790
8-K Open Document | Data Open Filing 8-K 28 Oct 2022 25 Oct 2022 001-41535
8-K Open Document | Data Open Filing 8-K 21 Oct 2022 21 Oct 2022 001-41535
424B5 Open Document Open Filing 424B5 21 Oct 2022 333-259970-01
8-K Open Document | Data Open Filing 8-K 19 Oct 2022 18 Oct 2022 001-41535
4/A Open Document Open Filing OWNERSHIP DOCUMENT 18 Oct 2022 13 Oct 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Oct 2022 13 Oct 2022
3 Open Document Open Filing OWNERSHIP DOCUMENT 17 Oct 2022 13 Oct 2022
3 Open Document Open Filing OWNERSHIP DOCUMENT 17 Oct 2022 13 Oct 2022
SC 13G Open Document Open Filing SC 13G 17 Oct 2022 005-93790
8-K Open Document | Data Open Filing 8-K 13 Oct 2022 13 Oct 2022 001-41535
424B5 Open Document Open Filing 424B5 13 Oct 2022 333-259970-01
S-8 POS Open Document Open Filing S-8 POS 13 Oct 2022 333-225556-01
S-8 POS Open Document Open Filing S-8 POS 13 Oct 2022 333-257819-01
S-8 POS Open Document Open Filing S-8 POS 13 Oct 2022 333-263043-01
S-8 POS Open Document Open Filing S-8 POS 13 Oct 2022 333-263042-01
POSASR Open Document Open Filing POSASR 13 Oct 2022 333-259970-01
8-K12B Open Document | Data Open Filing 8-K12B 13 Oct 2022 13 Oct 2022 001-41535
S-4MEF Open Document Open Filing S-4MEF 07 Oct 2022 333-267787
EFFECT Open Document Open Filing 02 Sep 2022 333-266160
424B3 Open Document Open Filing 424B3 02 Sep 2022 333-266160
CORRESP Open Document Open Filing 30 Aug 2022
S-4/A Open Document Open Filing S-4/A 19 Aug 2022 333-266160
CORRESP Open Document Open Filing 19 Aug 2022
UPLOAD Open Document Open Filing 08 Aug 2022
425 Open Document Open Filing 425 15 Jul 2022
425 Open Document Open Filing 425 15 Jul 2022
425 Open Document Open Filing 425 15 Jul 2022
425 Open Document Open Filing 425 15 Jul 2022
425 Open Document Open Filing 425 15 Jul 2022
S-4 Open Document Open Filing S-4 15 Jul 2022 333-266160