AbCellera (ABCL) director Lynn Seely submits initial Form 3 insider ownership filing

Rhea-AI Filing Summary

AbCellera Biologics Inc. director Lynn Seely has filed a Form 3, which is an initial statement of beneficial ownership for insiders. The structured data for this filing shows no reported transactions in AbCellera securities and no listed derivative positions for the reporting person.

Key Terms

Form 3, reporting persons, net buy/sell direction

3 terms

Form 3 regulatory

"INSIDER FILING DATA (Form 3) for AbCellera Biologics Inc."

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

reporting persons regulatory

"The filing lists reportingPersons including director Lynn Seely."

net buy/sell direction financial

"The transaction summary shows a neutral netBuySellDirection."

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/06/2026 - 06:15 PM Accepted by SEC EDGAR 07/06/2026 - 06:15 PM Learn about SEC filing dates

FAQ

What does AbCellera (ABCL) director Lynn Seely’s Form 3 filing show?

The Form 3 for AbCellera director Lynn Seely shows an initial insider ownership filing with no reported transactions and no listed derivative positions. It simply establishes her status as a reporting person under SEC rules for AbCellera securities.

Are there any buy or sell transactions in Lynn Seely’s AbCellera (ABCL) Form 3?

No transactions are reported in this Form 3. The transaction summary shows zero buys, sells, exercises, gifts, tax withholdings, or restructurings, indicating the filing is an initial ownership statement rather than a record of recent trading activity.

Does Lynn Seely hold any derivative securities of AbCellera (ABCL) in this Form 3?

The derivative section of the Form 3 is empty, and the derivative transaction count is zero. This indicates no derivative securities, such as options or warrants, are listed for Lynn Seely in the provided Form 3 data for AbCellera.

What is the role of the reporting person in AbCellera (ABCL) according to the Form 3?

The reporting person, Lynn Seely, is identified as a director of AbCellera Biologics Inc. She is not marked as an officer or ten percent owner in the filing, which focuses on her director status for insider reporting purposes.

What does the transaction summary in the AbCellera (ABCL) Form 3 indicate?

The transaction summary shows zero counts and zero shares for all categories, including buys, sells, exercises, gifts, tax withholding, and restructurings. It also lists a neutral net buy/sell direction, reinforcing that no trading activity is reported.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Seely Lynn

(Last) (First) (Middle)

C/O ABCELLERA BIOLOGICS INC

150 W 4TH AVENUE

(Street)

VANCOUVER

(City) (State) (Zip)

BRITISH COLUMBIA, CANADA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
06/30/2026

3. Issuer Name and Ticker or Trading Symbol
AbCellera Biologics Inc. [ ABCL ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

No securities are beneficially owned.

	Tryn Stimart, attorney-in-fact	07/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)