๐Ÿ•ต๏ธ Abcellera Biologics Inc. ($ABCL)

SEC insider & ownership activity, last 12 months ยท CIK 1703057 ยท every row links its SEC filing

Over the last 12 months insiders bought $2.7M with no open-market selling against it. Michael R. Hayden bought $1.1M in discretionary trades (Aug). No red-flag 8-Ks in the window.

Oct 2025: net +$0 Nov 2025: net +$178K Dec 2025: net +$0 Jan 2026: net +$0 Feb 2026: net +$857K Mar 2026: net +$0 Apr 2026: net +$0 May 2026: net +$95K Jun 2026: net +$0 Jul 2026: net +$0 Aug 2026: net +$1.5M Sep 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

4 buyers, $2.7M (9 lots) ยท 0 sellers, $0 (0 lots)

InsiderBuysBoughtSellsSoldLast
Michael R. Hayden2$1.1M 0โ€“Aug 24, 2026
Thermopylae Holdings Ltd.2$711K 0โ€“Feb 27, 2026
Booth Andrew2$530K 0โ€“Aug 14, 2026
John S. Montalbano3$384K 0โ€“Aug 18, 2026

5%+ holders

HolderStakeClassScheduleEvent
Baker BROS. Advisors LP 10.8% 13GMay 7, 2026 filing โ†—
Baker BROS. Advisors (GP) LLC 10.8% 13GMay 7, 2026 filing โ†—
Julian C. Baker 10.8% 13GMay 7, 2026 filing โ†—
Felix J. Baker 10.8% 13GMay 7, 2026 filing โ†—

Planned insider sales (Form 144)

No sale notices filed in the last 12 months.

Material events (8-K)

ItemEvent date
Material agreement (1.01)Aug 12, 2026 filing โ†—
Other events (8.01)Aug 12, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 12, 2026 filing โ†—
Reg FD disclosure (7.01)Aug 10, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 10, 2026 filing โ†—
Other events (8.01)Aug 7, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 7, 2026 filing โ†—
Earnings (2.02)Aug 5, 2026 filing โ†—
Reg FD disclosure (7.01)Aug 5, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 5, 2026 filing โ†—
Other events (8.01)Jul 29, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jul 29, 2026 filing โ†—
Officer/director changes (5.02)Jun 30, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 30, 2026 filing โ†—
Other events (8.01)Jun 17, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 17, 2026 filing โ†—
Shareholder vote (5.07)Jun 11, 2026 filing โ†—
Officer/director changes (5.02)Jun 1, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 1, 2026 filing โ†—
Earnings (2.02)May 11, 2026 filing โ†—
Reg FD disclosure (7.01)May 11, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 11, 2026 filing โ†—
Earnings (2.02)Feb 24, 2026 filing โ†—
Reg FD disclosure (7.01)Feb 24, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 24, 2026 filing โ†—
Reg FD disclosure (7.01)Jan 12, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jan 12, 2026 filing โ†—
Reg FD disclosure (7.01)Dec 18, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Dec 18, 2025 filing โ†—
Auditor change (4.01)Nov 24, 2025 filing โ†—