ZYME
Zymeworks Inc.
NASDAQ · Healthcare · Biotechnology · CA
$29.19
−2.37%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+22.0%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jul 6, 2026 | Hollywood Mark · officer: EVP & Chief Operating Officer | A-Award | 939 | $22 |
| May 15, 2026 | Schneider Paul R · officer: EVP, General Counsel | A-Award | 178,000 | $25 |
| May 15, 2026 | Schneider Paul R · officer: EVP, General Counsel | A-Award | 119,000 | $0.00 |
| Apr 10, 2026 | Platshon Scott · officer: EVP, Chief Business Officer | A-Award | 76,000 | $0.00 |
| Apr 10, 2026 | Platshon Scott · officer: EVP, Chief Business Officer | A-Award | 70,000 | $27 |
| Apr 10, 2026 | Schayowitz Adam · officer: See Remarks | A-Award | 70,000 | $27 |
| Apr 10, 2026 | Platshon Scott · officer: EVP, Chief Business Officer | A-Award | 47,000 | $0.00 |
| Apr 10, 2026 | Schayowitz Adam · officer: See Remarks | A-Award | 47,000 | $0.00 |
| Apr 10, 2026 | Schayowitz Adam · officer: See Remarks | A-Award | 76,000 | $0.00 |
| Apr 7, 2026 | Stafford Kristin · officer: EVP, Chief Financial Officer | A-Award | 50,000 | $0.00 |
| Apr 7, 2026 | Stafford Kristin · officer: EVP, Chief Financial Officer | A-Award | 119,000 | $0.00 |
| Apr 7, 2026 | Stafford Kristin · officer: EVP, Chief Financial Officer | A-Award | 178,000 | $26 |
| Jan 13, 2026 | Hollywood Mark · officer: EVP & Chief Operating Officer | A-Award | 47,000 | $0.00 |
| Jan 13, 2026 | Hollywood Mark · officer: EVP & Chief Operating Officer | A-Award | 66,000 | $0.00 |
| Jan 13, 2026 | Hollywood Mark · officer: EVP & Chief Operating Officer | M-Exempt | 17,666 | $0.00 |
| Jan 13, 2026 | Hollywood Mark · officer: EVP & Chief Operating Officer | Sale | 6,120 | $23 |
| Jan 13, 2026 | Hollywood Mark · officer: EVP & Chief Operating Officer | A-Award | 70,000 | $23 |
| Jan 13, 2026 | Cherry Brian N · director | A-Award | 15,400 | $0.00 |
| Jan 13, 2026 | Cherry Brian N · director | A-Award | 23,000 | $23 |
| Jan 12, 2026 | Galbraith Kenneth · director, officer: Chair & CEO | A-Award | 216,000 | $23 |
| Jan 12, 2026 | Galbraith Kenneth · director, officer: Chair & CEO | A-Award | 144,000 | $0.00 |
| Jan 12, 2026 | Moore Paul Andrew · officer: Chief Scientific Officer | A-Award | 66,000 | $0.00 |
| Jan 12, 2026 | Ciongoli Gregory Austin · director | A-Award | 7,700 | $0.00 |
| Jan 12, 2026 | Neu Kelvin · director | A-Award | 11,500 | $23 |
| Jan 12, 2026 | Neu Kelvin · director | A-Award | 7,700 | $0.00 |
| Jan 12, 2026 | Landry Robert E · director | A-Award | 11,500 | $23 |
| Jan 12, 2026 | Landry Robert E · director | A-Award | 7,700 | $0.00 |
| Jan 12, 2026 | Cesano Alessandra · director | A-Award | 11,500 | $23 |
| Jan 12, 2026 | Cesano Alessandra · director | A-Award | 7,700 | $0.00 |
| Jan 12, 2026 | Campoy Carlos · director | A-Award | 11,500 | $23 |
Institutional positioning
13F filings over the trailing two quarters
New 65Increased 136Reduced 139Sold out 35
| Filer | Action | Shares | Filed |
|---|---|---|---|
| EcoR1 Capital, LLC | Unchanged | 22,970,388 | Aug 14, 2026 |
| ECOR1 CAPITAL, LLC | Unchanged | 22,970,388 | May 15, 2026 |
| Rubric Capital Management LP | Unchanged | 7,000,000 | Aug 14, 2026 |
| RUBRIC CAPITAL MANAGEMENT LP | Increased | 7,000,000 | May 15, 2026 |
| BLACKROCK, INC. | Reduced | 4,553,888 | May 13, 2026 |
| BlackRock, Inc. | Reduced | 4,251,030 | Aug 7, 2026 |
| PERCEPTIVE ADVISORS LLC | Increased | 4,182,953 | Aug 14, 2026 |
| BVF INC/IL | Reduced | 3,734,142 | May 15, 2026 |
| BVF INC/IL | Reduced | 3,649,142 | Aug 14, 2026 |
| PERCEPTIVE ADVISORS LLC | Increased | 3,510,078 | May 29, 2026 |
| MORGAN STANLEY | Reduced | 2,480,568 | May 15, 2026 |
| MORGAN STANLEY | Reduced | 2,231,260 | Aug 13, 2026 |
| BNP PARIBAS ASSET MANAGEMENT HOLDING S.A. | Increased | 1,908,039 | May 14, 2026 |
| BNP Paribas Asset Management Holding S.A. | Reduced | 1,781,116 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,705,580 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jul 6, 2026