SEC Insider Transactions from Lackner Mark.

Last updated: 2026-03-14 11:00 UTC | Total transactions: 9

Lackner Mark has filed 9 insider transactions across 1 company since January 2024.

Most recent transaction: a grant/award of 335907 shares of Zentalis Pharmaceuticals, Inc. ($ZNTL) on February 03, 2025.

Activity breakdown: 0 open-market purchases and 3 sales.

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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
Feb. 3, 2025 Zentalis Pharmaceuticals, Inc. $ZNTL Lackner Mark Chief Scientific Officer A Common Stock 335907 $0.00 527,224.0000 0 175.58% 0.00%
Feb. 3, 2025 Zentalis Pharmaceuticals, Inc. $ZNTL Lackner Mark Chief Scientific Officer S Common Stock 14368 $1.71 512,856.0000 0 2.73% 0.00%
Feb. 3, 2025 Zentalis Pharmaceuticals, Inc. $ZNTL Lackner Mark Chief Scientific Officer A Stock Option (Right to Buy) 124714 $0.00 124,714.0000 0 9999.99% 0.00%
Jan. 2, 2025 Zentalis Pharmaceuticals, Inc. $ZNTL Lackner Mark Chief Scientific Officer S Common Stock 4411 $3.12 191,317.0000 0 2.25% 0.00%
Feb. 1, 2024 Zentalis Pharmaceuticals, Inc. $ZNTL Lackner Mark Chief Scientific Officer A Common Stock 141000 $0.00 197,313.0000 0 250.39% 0.00%
Feb. 2, 2024 Zentalis Pharmaceuticals, Inc. $ZNTL Lackner Mark Chief Scientific Officer S Common Stock 1585 $11.54 195,728.0000 0 0.80% 0.00%
Feb. 1, 2024 Zentalis Pharmaceuticals, Inc. $ZNTL Lackner Mark Chief Scientific Officer A Stock Option (Right to Buy) 141000 $0.00 141,000.0000 0 9999.99% 0.00%
Jan. 2, 2024 Zentalis Pharmaceuticals, Inc. $ZNTL Lackner Mark Chief Scientific Officer A Common Stock 40000 $0.00 56,313.0000 0 245.20% 0.00%
Jan. 2, 2024 Zentalis Pharmaceuticals, Inc. $ZNTL Lackner Mark Chief Scientific Officer A Stock Option (Right to Buy) 60000 $0.00 60,000.0000 0 9999.99% 0.00%