GIAMATTEO JOHN JOSEPH

PrivateCIK: 1234080

Senior insider sale

President of Cyber Security at BLACKBERRY LTD — senior position signals high conviction

$2.29M

250K shares

What this filing means

GIAMATTEO JOHN JOSEPH plans to sell 250K shares of BLACKBERRY LTD valued at approximately $2.29M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderGIAMATTEO JOHN JOSEPHCIK 1234080
→
IssuerBLACKBERRY LTDCIK 1070235
Officer· President of Cyber Security
Since Oct 2021
250K
Shares to sell
$2.29M
Approx. market value
99K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months5
Sort

Restricted Stock Vesting Under a Registered Plan

Services Rendered

7/10/2026
1.26K

Restricted Stock Vesting Under a Registered Plan

Services Rendered

7/10/2026
32.81K

Restricted Stock Vesting Under a Registered Plan

Services Rendered

7/6/2026
11.09K

Restricted Stock Vesting Under a Registered Plan

Services Rendered

7/6/2026
27.01K

Restricted Stock Vesting Under a Registered Plan

Services Rendered

1/6/2025
26.83K
Total acquired99K
Planned & Completed Dispositions2
Sort

Completed

—Completed

Units to sell

151K

Market value

$1.42M

10/21/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

99K

Market value

$865.4K

10/22/2026
Total

Units

250K

Value

$2.29M