John S. Montalbano

CIK: 0001834423

Transaction Breakdown

Open Market Buys (P)5 (71.4%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (28.6%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ABCL

AbCellera Biologics Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (7 total)

ABCL
AbCellera Biologics Inc.
Aug 18, 2026
Purchase(P)
Direct
10K shares at avg. $11.03$110K
ABCL
AbCellera Biologics Inc.
Jun 11, 2026
Award(A)
Share option (right to buy)
Direct
111.7K shares-
ABCL
AbCellera Biologics Inc.
May 14, 2026
Purchase(P)
Direct
20K shares at avg. $4.77$95K
ABCL
AbCellera Biologics Inc.
Nov 26, 2025
Purchase(P)
Direct
50K shares at avg. $3.57$178K
ABCL
AbCellera Biologics Inc.
Jun 12, 2025
Award(A)
Share option (right to buy)
Direct
238.9K shares-
ABCL
AbCellera Biologics Inc.
Mar 10, 2025
Purchase(P)
Direct
25K shares at avg. $2.30$57K
ABCL
AbCellera Biologics Inc.
Mar 6, 2025
Purchase(P)
Direct
60K shares at avg. $2.34$141K

		Type	Shares	Price		Ownership
Aug 18, 2026	ABCL AbCellera Biologics Inc.	Purchase(P)	10,000	$11.03	$110,300	Direct
Jun 11, 2026	ABCL AbCellera Biologics Inc.	Award(A) Share option (right to buy)	111,701	-	-	Direct
May 14, 2026	ABCL AbCellera Biologics Inc.	Purchase(P)	20,000	$4.77	$95,400	Direct
Nov 26, 2025	ABCL AbCellera Biologics Inc.	Purchase(P)	50,000	$3.57	$178,460	Direct
Jun 12, 2025	ABCL AbCellera Biologics Inc.	Award(A) Share option (right to buy)	238,864	-	-	Direct
Mar 10, 2025	ABCL AbCellera Biologics Inc.	Purchase(P)	25,000	$2.30	$57,500	Direct
Mar 6, 2025	ABCL AbCellera Biologics Inc.	Purchase(P)	60,000	$2.34	$140,568	Direct

1-7 of 7 transactions

About Montalbano John S.

Montalbano John S. (SEC CIK 0001834423) files insider reports with the SEC as Director of AbCellera Biologics Inc. (ABCL).

Signal8 holds 7 ownership filings by Montalbano John S., all Form 4s, filed between Mar 7, 2025 and Aug 18, 2026. Those filings report 7 transactions, from Mar 6, 2025 to Aug 18, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Montalbano John S.'s filings is in VANCOUVER.

Recent filings by Montalbano John S.

Aug 18, 2026: Open-market purchase of ABCL shares (Form 4, code P).
Jun 11, 2026: Grant or award of ABCL derivative securities (Form 4, code A).
May 14, 2026: Open-market purchase of ABCL shares (Form 4, code P).
Nov 26, 2025: Open-market purchase of ABCL shares (Form 4, code P).
Jun 12, 2025: Grant or award of ABCL derivative securities (Form 4, code A).

Other insiders filing for AbCellera Biologics Inc. (ABCL)

Hayden Michael R, Director
Booth Andrew, Chief Financial Officer
Seely Lynn, Director
Sandor Victor, Director
Quake Stephen, Director
Thermopylae Holdings Ltd., 10% Owner

How to read Form 4 transaction codes