SEC Insider Transactions from PATTERSON LEONE D.

Last updated: 2026-03-14 11:43 UTC | Total transactions: 10

PATTERSON LEONE D has filed 10 insider transactions across 4 companies since February 2024.

Most recent transaction: a grant/award of 459 shares of Zymeworks Inc. ($ZYME) on January 06, 2026.

Activity breakdown: 0 open-market purchases and 1 sale.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Jan. 6, 2026 Zymeworks Inc. $ZYME PATTERSON LEONE D EVP, Chief Bus & Fin Officer A Common Stock 459 $10.55 459.0000 75,775,214 9999.99% 0.00%
June 5, 2025 Nkarta, Inc. $NKTX PATTERSON LEONE D Not found A Stock Option (right to buy) 46000 $0.00 46,000.0000 67,865,323 9999.99% 0.07%
April 10, 2025 Kalaris Therapeutics, Inc. $KLRS PATTERSON LEONE D Not found A Stock Option (Right to Buy) 18000 $0.00 18,000.0000 5,043,357 9999.99% 0.36%
Jan. 10, 2025 Zymeworks Inc. $ZYME PATTERSON LEONE D EVP, Chief Bus & Fin Officer A Stock Option (Right to Buy) 79000 $0.00 79,000.0000 75,878,738 9999.99% 0.10%
Jan. 10, 2025 Zymeworks Inc. $ZYME PATTERSON LEONE D EVP, Chief Bus & Fin Officer A Restricted Stock Unit 53000 $0.00 53,000.0000 75,878,738 9999.99% 0.07%
Sept. 1, 2024 Zymeworks Inc. $ZYME PATTERSON LEONE D EVP, Chief Bus & Fin Officer A Stock Option (Right to Buy) 360000 $0.00 360,000.0000 68,863,010 9999.99% 0.52%
June 13, 2024 Nkarta, Inc. $NKTX PATTERSON LEONE D Not found A Stock Option (right to buy) 22500 $0.00 22,500.0000 49,014,300 9999.99% 0.05%
Feb. 23, 2024 Tenaya Therapeutics, Inc. $TNYA PATTERSON LEONE D Chief Fin. and Bus. Officer A Stock Option (Right to buy) 205000 $0.00 205,000.0000 0 9999.99% 0.00%
Feb. 23, 2024 Tenaya Therapeutics, Inc. $TNYA PATTERSON LEONE D Chief Fin. and Bus. Officer A Common Stock 35000 $0.00 95,755.0000 0 57.61% 0.00%
Feb. 16, 2024 Tenaya Therapeutics, Inc. $TNYA PATTERSON LEONE D Chief Fin. and Bus. Officer S Common Stock 5201 $5.86 60,755.0000 0 7.89% 0.00%