John Joseph Giamatteo
CEO & President, Cybersecurity at BlackBerry Limited
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2024
3 years of board service in total across 1 board, counting each seat separately. Longest: BlackBerry Limited, 2 years.
BlackBerry Limited
Director · CEO & President, Cybersecurity
Chief executive roles
BlackBerry Limited
· CEO & President, Cybersecurity
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jan 6, 2025 | BlackBerry Limited | Option exercise | +71,023 | — | — |
| Jan 6, 2025 | BlackBerry Limited | Open-market sale | −29,402 | $4.00 | $117,608 |
| Jan 3, 2025 | BlackBerry Limited | Option exercise | +106,723 | — | — |
| Jan 3, 2025 | BlackBerry Limited | Open-market sale | −43,135 | $4.00 | $172,540 |
| Jan 2, 2025 | BlackBerry Limited | Option exercise | +335,277 | — | — |
| Jan 2, 2025 | BlackBerry Limited | Open-market sale | −155,815 | $3.68 | $573,399 |
| Jan 8, 2024 | BlackBerry Limited | Open-market sale | −18,279 | $3.23 | $59,041 |
| Jan 6, 2024 | BlackBerry Limited | Option exercise | +71,023 | — | — |
| Jan 3, 2024 | BlackBerry Limited | Option exercise | +106,723 | — | — |
| Jan 3, 2024 | BlackBerry Limited | Open-market sale | −29,862 | $3.25 | $97,052 |
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