GIAMATTEO JOHN JOSEPH

GIAMATTEO JOHN JOSEPH serves as CEO & President, Secure Comm. at BlackBerry Limited (BB). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

10 trades

$2.60M

Net Position

Net Seller

$2.60M

Companies Traded

Active Period

Jan 2023 – Jan 2026

10 total trades

Most Recent

Sell BB

Jan 6, 2026 · $340.4K

GIAMATTEO JOHN JOSEPH's Insider Trading at BlackBerry Limited (BB)

Buys

0 · $0.00

Sells

10 · $2.60M

Total Shares Bought

Total Shares Sold

681,561

BB Price Chart

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Date	Type	Shares	Avg Price	Value
Jan 6, 2026	Sell	87,723	$3.88	$340.4K
Jan 2, 2026	Sell	231,765	$3.82	$885.3K
Oct 2, 2025	Sell	28,343	$4.62	$130.9K
Jul 2, 2025	Sell	26,998	$4.32	$116.6K
Jan 6, 2025	Sell	29,402	$4.00	$117.6K
Jan 3, 2025	Sell	43,135	$4.00	$172.5K
Jan 2, 2025	Sell	155,815	$3.68	$573.4K
Jan 6, 2024	Sell	18,279	$3.23	$59.0K
Jan 3, 2024	Sell	29,862	$3.25	$97.1K
Jan 3, 2023	Sell	30,239	$3.42	$103.4K