Barry Mainz

CIK: 0001388839

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (100.0%)

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)

BLACKBERRY Ltd

Director

Discretionary Trading P&L

Holdings

Transaction History (5 total)

BB
BLACKBERRY Ltd
Aug 31, 2026
Award(A)
Deferred Share Unit
Direct
9.4K shares-
BB
BLACKBERRY Ltd
May 31, 2026
Award(A)
Deferred Share Unit
Direct
8.5K shares-
BB
BLACKBERRY Ltd
Feb 28, 2026
Award(A)
Deferred Share Unit
Direct
22.6K shares-
BB
BLACKBERRY Ltd
Nov 30, 2025
Award(A)
Deferred Share Unit
Direct
18.4K shares-
BB
BLACKBERRY Ltd
Aug 31, 2025
Award(A)
Deferred Share Unit
Direct
34.3K shares-

		Type	Shares	Price		Ownership
Aug 31, 2026	BB BLACKBERRY Ltd	Award(A) Deferred Share Unit	9,433	-	-	Direct
May 31, 2026	BB BLACKBERRY Ltd	Award(A) Deferred Share Unit	8,541	-	-	Direct
Feb 28, 2026	BB BLACKBERRY Ltd	Award(A) Deferred Share Unit	22,567	-	-	Direct
Nov 30, 2025	BB BLACKBERRY Ltd	Award(A) Deferred Share Unit	18,382	-	-	Direct
Aug 31, 2025	BB BLACKBERRY Ltd	Award(A) Deferred Share Unit	34,340	-	-	Direct

1-5 of 5 transactions

About Mainz Barry

Mainz Barry (SEC CIK 0001388839) files insider reports with the SEC as Director of BLACKBERRY Ltd (BB).

Signal8 holds 6 ownership filings by Mainz Barry (1 Form 3, 5 Form 4), filed between Sep 2, 2025 and Sep 1, 2026. Those filings report 5 transactions, from Aug 31, 2025 to Aug 31, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Mainz Barry's filings is in WATERLOO.

Recent filings by Mainz Barry

Aug 31, 2026: Grant or award of BB derivative securities (Form 4, code A).
May 31, 2026: Grant or award of BB derivative securities (Form 4, code A).
Feb 28, 2026: Grant or award of BB derivative securities (Form 4, code A).
Nov 30, 2025: Grant or award of BB derivative securities (Form 4, code A).
Aug 31, 2025: Grant or award of BB derivative securities (Form 4, code A).

Other insiders filing for BLACKBERRY Ltd (BB)

Chaikof David, Director
GIAMATTEO JOHN JOSEPH, CEO & President, Secure Comm.
Armstrong-Owen Jennifer, Sr VP & Chief People Officer
Foote Tim, Chief Financial Officer
Kurtz Philip S., CLO & Corp. Secretary
Wall John Christopher, President, QNX

How to read Form 4 transaction codes