SEC Insider Transactions from Hege Kristen.

Last updated: 2026-03-14 11:43 UTC | Total transactions: 24

Hege Kristen has filed 24 insider transactions across 3 companies since July 2023.

Most recent transaction: a disposition of 2088 shares of Mersana Therapeutics, Inc. ($MRSN) on January 06, 2026.

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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 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 2088 $0.00 0.0000 4,998,750 100.00% 0.04%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 138 $0.00 0.0000 4,998,750 100.00% 0.00%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 734 $0.00 0.0000 4,998,750 100.00% 0.01%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 146 $0.00 0.0000 4,998,750 100.00% 0.00%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 380 $0.00 0.0000 4,998,750 100.00% 0.01%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 257 $0.00 0.0000 4,998,750 100.00% 0.01%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 2200 $0.00 0.0000 4,998,750 100.00% 0.04%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director U Common Stock 578 $0.00 0.0000 4,998,750 100.00% 0.01%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 2460 $0.00 0.0000 4,998,750 100.00% 0.05%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 142 $0.00 0.0000 4,998,750 100.00% 0.00%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 400 $0.00 0.0000 4,998,750 100.00% 0.01%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 1000 $0.00 0.0000 4,998,750 100.00% 0.02%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 450 $0.00 0.0000 4,998,750 100.00% 0.01%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 368 $0.00 0.0000 4,998,750 100.00% 0.01%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 101 $0.00 0.0000 4,998,750 100.00% 0.00%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 1002 $0.00 0.0000 4,998,750 100.00% 0.02%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 416 $0.00 0.0000 4,998,750 100.00% 0.01%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director D Stock Option (right to buy) 1800 $0.00 0.0000 4,998,750 100.00% 0.04%
June 12, 2025 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director A Stock Option (right to buy) 61500 $0.00 61,500.0000 124,631,339 9999.99% 0.05%
July 1, 2024 Adaptimmune Therapeutics PLC $ADAPY Hege Kristen Director A Option to purchase Ordinary Shares 660000 $0.00 660,000.0000 1,559,183,774 9999.99% 0.04%
June 11, 2024 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director A Stock Option (right to buy) 55000 $0.00 55,000.0000 0 9999.99% 0.00%
Jan. 15, 2024 Adaptimmune Therapeutics PLC $ADAPY Hege Kristen Director A Option to purchase Ordinary Shares 81906 $0.00 81,906.0000 1,206,440,978 9999.99% 0.01%
Jan. 2, 2024 Mersana Therapeutics, Inc. $MRSN Hege Kristen Director A Stock Option (right to buy) 6447 $0.00 6,447.0000 0 9999.99% 0.00%
July 19, 2023 LENZ Therapeutics, Inc. $LENZ Hege Kristen Director A Stock Option (right to buy) 20000 $0.00 20,000.0000 0 9999.99% 0.00%