SEC Insider Transactions from Carvajal Alejandra.

Last updated: 2026-03-14 11:43 UTC | Total transactions: 35

Carvajal Alejandra has filed 35 insider transactions across 1 company since January 2024.

Most recent transaction: a disposition of 1800 shares of Mersana Therapeutics, Inc. ($MRSN) on January 06, 2026.

Activity breakdown: 0 open-market purchases and 6 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
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Stock Option (right to buy) 1800 $0.00 0.0000 4,998,750 100.00% 0.04%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Stock Option (right to buy) 4500 $0.00 0.0000 4,998,750 100.00% 0.09%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Stock Option (right to buy) 6702 $0.00 0.0000 4,998,750 100.00% 0.13%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Stock Option (right to buy) 3047 $0.00 0.0000 4,998,750 100.00% 0.06%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer U Common Stock 3131 $0.00 0.0000 4,998,750 100.00% 0.06%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Restricted Stock Units 2166 $0.00 0.0000 4,998,750 100.00% 0.04%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Restricted Stock Units 1500 $0.00 0.0000 4,998,750 100.00% 0.03%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Restricted Stock Units 717 $0.00 0.0000 4,998,750 100.00% 0.01%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Restricted Stock Units 100 $0.00 0.0000 4,998,750 100.00% 0.00%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Stock Option (right to buy) 7921 $0.00 0.0000 4,998,750 100.00% 0.16%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Stock Option (right to buy) 1078 $0.00 0.0000 4,998,750 100.00% 0.02%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Stock Option (right to buy) 4922 $0.00 0.0000 4,998,750 100.00% 0.10%
Jan. 6, 2026 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer D Stock Option (right to buy) 1527 $0.00 0.0000 4,998,750 100.00% 0.03%
Jan. 15, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Common Stock 12500 $0.00 83,392.0000 0 17.63% 0.00%
Jan. 16, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer S Common Stock 5096 $0.58 78,296.0000 0 6.11% 0.00%
Jan. 15, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Restricted Stock Unit 12500 $0.00 37,500.0000 0 25.00% 0.00%
Jan. 15, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer A Stock Option (Right to Buy) 243750 $0.00 243,750.0000 0 9999.99% 0.00%
Jan. 15, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer A Restricted Stock Unit 54167 $0.00 54,167.0000 0 9999.99% 0.00%
Jan. 14, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Common Stock 2500 $0.00 71,844.0000 0 3.61% 0.00%
Jan. 15, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer S Common Stock 952 $0.63 70,892.0000 0 1.33% 0.00%
Jan. 14, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Restricted Stock Unit 2500 $0.00 2,500.0000 0 50.00% 0.00%
Jan. 13, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Restricted Stock Unit 8958 $0.00 17,917.0000 0 33.33% 0.00%
Jan. 13, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Common Stock 8958 $0.00 72,674.0000 0 14.06% 0.00%
Jan. 14, 2025 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer S Common Stock 3330 $0.66 69,344.0000 0 4.58% 0.00%
Oct. 3, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer S Common Stock 5598 $1.96 63,716.0000 0 8.08% 0.00%
Oct. 1, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Restricted Stock Unit 50000 $0.00 0.0000 0 100.00% 0.00%
Oct. 2, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer S Common Stock 8089 $2.00 69,314.0000 0 10.45% 0.00%
Oct. 1, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Common Stock 50000 $0.00 77,403.0000 0 182.46% 0.00%
Jan. 14, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Restricted Stock Unit 2500 $0.00 5,000.0000 0 33.33% 0.00%
Jan. 13, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Common Stock 8958 $0.00 29,284.0000 0 44.07% 0.00%
Jan. 14, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Common Stock 2500 $0.00 31,784.0000 0 8.54% 0.00%
Jan. 16, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer S Common Stock 4381 $2.71 27,403.0000 0 13.78% 0.00%
Jan. 15, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer A Restricted Stock Unit 50000 $0.00 50,000.0000 0 9999.99% 0.00%
Jan. 13, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer M Restricted Stock Unit 8958 $0.00 26,875.0000 0 25.00% 0.00%
Jan. 15, 2024 Mersana Therapeutics, Inc. $MRSN Carvajal Alejandra SVP, Chief Legal Officer A Stock Option (Right to Buy) 225000 $0.00 225,000.0000 0 9999.99% 0.00%