AbCellera Biologics Inc. (ABCL) Insider Ownership

Historic Ownership Trends

Through the 90-day period concluding December 12, 2025, AbCellera Biologics's top three insider stakeholders include Chief Executive Officer Carl L. G. Hansen (1.13Mn shares), Chief Technology Officer Ester Falconer (875.00K shares), Director John S. Montalbano (221.00K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Holdings Ltd. Thermopylae 56,143,640 11 Mar, 2025
Veronique Lecault Chief Operating Officer 2,397,086 24 Jun, 2024
Michael R Hayden 1,323,397 26 Sep, 2023
Carl L. G. Hansen Chief Executive Officer 1,131,500 26 Nov, 2024
Ester Falconer Chief Technology Officer 875,000 03 Sep, 2021
Andrew Booth Chief Financial Officer 283,959 26 May, 2023
John S. Montalbano 221,000 26 Nov, 2025
John Hamer 202,754 02 Sep, 2021
Andrew Lo 86,938 07 Dec, 2021
Bio, L.P. Dcvc 73,892 21 Jun, 2021
Tryn Stimart Chief Legal Officer 250 10 Jun, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
26 Nov, 2025 John S. Montalbano Common Shares A 50,000 $3.57 221,000 D P
11 Mar, 2025 Holdings Ltd. Thermopylae - - 56,143,640 D
11 Mar, 2025 Holdings Ltd. Thermopylae Common Shares A 343,631 $2.16 56,143,640 D P
10 Mar, 2025 John S. Montalbano Common Shares A 25,000 $2.30 171,000 D P
06 Mar, 2025 John S. Montalbano Common Shares A 60,000 $2.34 146,000 D P
04 Dec, 2024 Holdings Ltd. Thermopylae Common Shares D 286,000 $0.00 55,800,009 D G
25 Nov, 2024 Carl L. G. Hansen - - 898,000 D
25 Nov, 2024 Carl L. G. Hansen Common Shares A 56,125 $2.70 898,000 D M
20 Sep, 2024 Carl L. G. Hansen Common Shares A 56,125 $2.70 841,875 D M
29 Aug, 2024 Holdings Ltd. Thermopylae Common Shares A 283,516 $2.61 56,086,009 D P
21 Jun, 2024 Veronique Lecault - - 2,123,456 D
21 Jun, 2024 Veronique Lecault Common Shares A 83,334 $0.19 2,123,456 D M
31 May, 2024 Carl L. G. Hansen Common Shares A 56,125 $2.70 785,750 D M
26 Feb, 2024 Carl L. G. Hansen Common Shares A 56,125 $2.70 729,625 D M
19 Dec, 2023 Holdings Ltd. Thermopylae Common Shares D 210,000 $0.00 55,802,493 D G
19 Dec, 2023 Holdings Ltd. Thermopylae - - 55,802,493 D
23 Nov, 2023 Carl L. G. Hansen Common Shares A 56,125 $2.70 673,500 D M
06 Nov, 2023 John S. Montalbano Common Shares A 20,000 $4.64 76,000 D P
06 Nov, 2023 John S. Montalbano - - 76,000 D
08 Nov, 2023 John S. Montalbano - - 86,000 D