SEC Insider Transactions from STUMP DAVID C.

Last updated: 2026-03-14 11:21 UTC | Total transactions: 14

STUMP DAVID C has filed 14 insider transactions across 2 companies since May 2023.

Most recent transaction: a grant/award of 39815 shares of REGENXBIO Inc. ($RGNX) on May 30, 2025.

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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
May 30, 2025 REGENXBIO Inc. $RGNX STUMP DAVID C Not found A Stock Options (Right to Buy) 39815 $0.00 39,815.0000 49,509,000 9999.99% 0.08%
May 30, 2025 REGENXBIO Inc. $RGNX STUMP DAVID C Not found A Common Stock 7768 $0.00 19,054.0000 49,509,000 68.83% 0.02%
May 20, 2025 MACROGENICS INC $MGNX STUMP DAVID C Director M Restricted Stock Unit 6500 $0.00 0.0000 62,621,185 100.00% 0.01%
May 20, 2025 MACROGENICS INC $MGNX STUMP DAVID C Director M Common Stock 6500 $0.00 11,000.0000 62,621,185 144.44% 0.01%
May 21, 2025 MACROGENICS INC $MGNX STUMP DAVID C Director A Restricted Stock Unit 3750 $0.00 3,750.0000 62,621,185 9999.99% 0.01%
May 21, 2025 MACROGENICS INC $MGNX STUMP DAVID C Director A Stock Option (right to buy) 22000 $0.00 22,000.0000 62,621,185 9999.99% 0.04%
May 31, 2024 REGENXBIO Inc. $RGNX STUMP DAVID C Not found A Common Stock 4790 $0.00 11,286.0000 43,734,000 73.74% 0.01%
May 31, 2024 REGENXBIO Inc. $RGNX STUMP DAVID C Not found A Stock Options (Right to Buy) 24454 $0.00 24,454.0000 43,734,000 9999.99% 0.06%
May 21, 2024 MACROGENICS INC $MGNX STUMP DAVID C Director A Stock Option (right to buy) 16500 $0.00 16,500.0000 61,929,198 9999.99% 0.03%
May 21, 2024 MACROGENICS INC $MGNX STUMP DAVID C Director A Restricted Stock Unit 6500 $0.00 6,500.0000 61,929,198 9999.99% 0.01%
May 20, 2024 MACROGENICS INC $MGNX STUMP DAVID C Director M Restricted Stock Unit 4500 $0.00 0.0000 61,929,198 100.00% 0.01%
May 20, 2024 MACROGENICS INC $MGNX STUMP DAVID C Director M Common Stock 4500 $0.00 4,500.0000 61,929,198 9999.99% 0.01%
May 31, 2023 MACROGENICS INC $MGNX STUMP DAVID C Director A Stock Option (right to buy) 19000 $0.00 19,000.0000 61,433,124 9999.99% 0.03%
May 31, 2023 MACROGENICS INC $MGNX STUMP DAVID C Director A Restricted Stock Unit 4500 $0.00 4,500.0000 61,433,124 9999.99% 0.01%