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BCS

Changes in Beneficial Ownership · 4

AbCellera Biologics Inc.

ABCLNASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Aug 13, 2026Accepted Aug 13, 2026, 3:01 PM EDTFiling CIK 1703057Accession 0001628280-26-056653
Share

Structured filing — 4

wk-form4_1786647701.xml

Open full document ↗

Filing details

Report period
2026-08-11
Issuer
AbCellera Biologics Inc.
Issuer CIK
0001703057
Trading symbol
ABCL

Reporting owner 1

Name
Hayden Michael R
Reporting owner CIK
0001352908
Relationship
Director
Address
C/O ABCELLERA BIOLOGICS INC, 150 W 4TH AVENUE, VANCOUVER, BRITISH COLUMBIA, CANADA, A1

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnershipNature of ownershipTimeliness
Common Shares2026-08-11G · Form 550,000D0[F1]1,273,397I[F2]See footnoteE
Table key
G · Form 5
Bona fide gift
D
Disposed
I
Indirect

Non-derivative holdings

Non-derivative holdings · 1 reported row
SecurityAmount ownedOwnershipNature of ownership
Common Shares118,245IBy spouse
Table key
I
Indirect

Footnotes

F1
This transaction represents a charitable donation of 50,000 common shares made by Genworks 2 Consulting, Inc. on August 11, 2026.↩ 1
F2
These shares are held by Genworks 2 Consulting, Inc. The Reporting Person's spouse has sole voting and investment power with respect to the shares held by Genworks 2 Consulting, Inc. The reporting person disclaims beneficial ownership of such securities, except to the extent of his indirect pecuniary interest, if any, therein.↩ 1

Signature 1

Signed
Tryn Stimart, attorney-in-fact
Date
2026-08-13

Company context

AbCellera (Nasdaq: ABCL) is a clinical-stage biotechnology company focused on discovering and developing first-in-class antibody-based medicines in the areas of endocrinology, women’s health, immunology, oncology, and more.

Current securities

Recent company filings

  1. 4 filingAug 14, 2026
  2. 4 filingAug 14, 2026
  3. Entry into a Material Definitive Agreement · Other EventsAug 13, 2026
  4. 424B5 filingAug 13, 2026
  5. 424B5 filingAug 11, 2026

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