SEC Form 4 · Updated Daily
ABCL
— ABCELLERA BIOLOGICS INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Thermopylae Holdings Ltd. | 10%+ Owner | 56,134,097 | 2026-02-27 | P |
| Lecault Veronique | Director · Officer | 2,123,456 | 2024-06-21 | M |
| Hayden Michael R | Director | 1,373,397 | 2026-08-24 | P |
| Hansen Carl L. G. | 10%+ Owner · Director · Officer | 898,000 | 2024-11-25 | M |
| Booth Andrew | Officer | 482,800 | 2026-08-14 | P |
| Montalbano John S. | Director | 251,000 | 2026-08-18 | P |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-08-24 | Hayden Michael R | Open-market buy | 53,613 | $10.64 | 1,373,397 |
| 2026-08-18 | Montalbano John S. | Open-market buy | 10,000 | $11.03 | 251,000 |
| 2026-08-14 | Booth Andrew | Open-market buy | 37,200 | $10.32 | 482,800 |
| 2026-08-12 | Hayden Michael R | Open-market buy | 46,387 | $10.37 | 1,319,784 |
| 2026-08-11 | Hayden Michael R | Gift | 50,000 | $0.00 | 1,273,397 |
| 2026-07-01 | Sandor Victor | Grant / award (derivative) | 152,207 | $0.00 | 152,207 |
| 2026-07-01 | Seely Lynn | Grant / award (derivative) | 152,207 | $0.00 | 152,207 |
| 2026-06-11 | Montalbano John S. | Grant / award (derivative) | 111,701 | $0.00 | 1,141,544 |
| 2026-06-11 | Quake Stephen | Grant / award (derivative) | 111,701 | $0.00 | 306,633 |
| 2026-06-11 | Hayden Michael R | Grant / award (derivative) | 111,701 | $0.00 | 1,011,544 |
| 2026-06-03 | Booth Andrew | Option exercise (derivative) | 250,000 | $0.00 | 8,501,849 |
| 2026-06-03 | Booth Andrew | Option exercise | 250,000 | $0.19 | 445,600 |
| 2026-05-14 | Montalbano John S. | Open-market buy | 20,000 | $4.77 | 241,000 |
| 2026-02-27 | Booth Andrew | Open-market buy | 42,600 | $3.42 | 195,600 |
| 2026-02-27 | Thermopylae Holdings Ltd. | Open-market buy | 38,000 | $3.44 | 56,134,097 |
| 2026-02-26 | Thermopylae Holdings Ltd. | Open-market buy | 177,457 | $3.27 | 56,096,097 |
| 2026-01-01 | Lecault Veronique | Grant / award (derivative) | 539,265 | $0.00 | 5,201,069 |
| 2026-01-01 | Stimart Tryn | Grant / award (derivative) | 539,265 | $0.00 | 4,646,012 |
| 2026-01-01 | Hansen Carl L. G. | Grant / award (derivative) | 2,106,505 | $0.00 | 13,096,837 |
| 2026-01-01 | Booth Andrew | Grant / award (derivative) | 808,898 | $0.00 | 8,751,849 |
| 2025-12-18 | Thermopylae Holdings Ltd. | Gift | 225,000 | $0.00 | 55,918,640 |
| 2025-12-01 | Quake Stephen | Grant / award (derivative) | 194,932 | $0.00 | 194,932 |
| 2025-11-26 | Montalbano John S. | Open-market buy | 50,000 | $3.57 | 221,000 |
| 2025-06-12 | Lo Andrew | Grant / award (derivative) | 238,864 | $0.00 | 541,354 |
| 2025-06-12 | Montalbano John S. | Grant / award (derivative) | 238,864 | $0.00 | 1,029,843 |
| 2025-06-12 | Hayden Michael R | Grant / award (derivative) | 238,864 | $0.00 | 899,843 |
| 2025-03-11 | Thermopylae Holdings Ltd. | Open-market buy | 343,631 | $2.16 | 56,143,640 |
| 2025-03-10 | Montalbano John S. | Open-market buy | 25,000 | $2.30 | 171,000 |
| 2025-03-06 | Montalbano John S. | Open-market buy | 60,000 | $2.34 | 146,000 |
| 2025-01-01 | Hansen Carl L. G. | Grant / award (derivative) | 2,730,109 | $0.00 | 10,990,332 |
| 2025-01-01 | Booth Andrew | Grant / award (derivative) | 1,352,054 | $0.00 | 7,942,951 |
| 2025-01-01 | Lecault Veronique | Grant / award (derivative) | 832,033 | $0.00 | 4,661,804 |
| 2025-01-01 | Stimart Tryn | Grant / award (derivative) | 832,033 | $0.00 | 4,106,747 |
| 2024-12-04 | Thermopylae Holdings Ltd. | Gift | 286,000 | $0.00 | 55,800,009 |
| 2024-11-25 | Hansen Carl L. G. | Option exercise (derivative) | 56,125 | $0.00 | 8,260,223 |
| 2024-11-25 | Hansen Carl L. G. | Option exercise | 56,125 | $2.70 | 898,000 |
| 2024-09-20 | Hansen Carl L. G. | Option exercise (derivative) | 56,125 | $0.00 | 8,316,348 |
| 2024-09-20 | Hansen Carl L. G. | Option exercise | 56,125 | $2.70 | 841,875 |
| 2024-08-29 | Thermopylae Holdings Ltd. | Open-market buy | 283,516 | $2.61 | 56,086,009 |
| 2024-06-21 | Hayden Michael R | Grant / award (derivative) | 163,934 | $0.00 | 660,979 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.