John Joseph Giamatteo

Companies

• BlackBerryBoard member Jan 4, 2024 to now¹
• BlackBerryChief executive officer Jan 4, 2024 to now¹
• BlackBerryPresident Oct 25, 2021 to now²
• RealNetworksChief operating officer Jun 26, 2008 to Feb 24, 2010³
• RealNetworksPresident Sep 20, 2007 to Feb 26, 2008⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• BlackBerry BB721,316 shares⁵$5.9M at $8.13Jul 9, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 9, 2026Sold 27,012 shares at $10.92 of BlackBerry⁵
• Jul 9, 2026Exercised options 61,082 shares of BlackBerry⁵
• Jul 9, 2026Sold 120,200 shares at $11.45 of BlackBerry⁵
• Jul 9, 2026Sold 4,800 shares at $11.27 of BlackBerry⁵
• Jul 8, 2026Sold 125,000 shares at $11.00 of BlackBerry⁵
• Jul 2, 2026Sold 28,272 shares at $11.22 of BlackBerry⁶
• Jul 2, 2026Exercised options 66,372 shares of BlackBerry⁶
• Apr 2, 2026Sold 27,066 shares at $3.56 of BlackBerry⁷
• Apr 2, 2026Exercised options 66,372 shares of BlackBerry⁷
• Jan 6, 2026Sold 29,739 shares at $3.88 of BlackBerry⁸
• Jan 6, 2026Exercised options 71,022 shares of BlackBerry⁸
• Jan 6, 2026Sold 57,984 shares at $3.88 of BlackBerry⁸
• Jan 6, 2026Exercised options 138,493 shares of BlackBerry⁸
• Jan 2, 2026Sold 39,009 shares at $3.82 of BlackBerry⁹
• Jan 2, 2026Exercised options 66,372 shares of BlackBerry⁹
• Jan 2, 2026Sold 150,957 shares at $3.82 of BlackBerry⁹
• Jan 2, 2026Exercised options 262,391 shares of BlackBerry⁹
• Jan 2, 2026Sold 41,799 shares at $3.82 of BlackBerry⁹
• Jan 2, 2026Exercised options 72,886 shares of BlackBerry⁹
• Oct 2, 2025Sold 28,343 shares at $4.62 of BlackBerry¹⁰
• Oct 2, 2025Exercised options 66,372 shares of BlackBerry¹⁰
• Jul 2, 2025Sold 26,998 shares at $4.32 of BlackBerry¹¹
• Jul 2, 2025Exercised options 66,372 shares of BlackBerry¹¹
• Jan 6, 2025Sold 29,402 shares at $4.00 of BlackBerry¹²
• Jan 6, 2025Exercised options 71,023 shares of BlackBerry¹²