Hege Kristen

CIK 00012991715 companiesCAMBRIDGE, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001299171

Recent Transactions

43 trades

Disposition from Tender
Mersana Therapeutics, Inc.$MRSN
Common Stock
2026-01-06−578→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−368→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−450→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−1,000→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−400→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−142→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−2,460→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−2,088→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−2,200→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−257→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−380→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−146→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−734→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−138→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−1,800→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−416→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−1,002→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−101→ 0 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2025-06-12+61,500→ 61,500 total
Award
Adaptimmune Therapeutics PLC$ADAP
Option to purchase Ordinary Shares
2024-07-01+660,000→ 660,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2024-06-11+55,000→ 55,000 total
Award
Adaptimmune Therapeutics PLC$ADAP
Option to purchase Ordinary Shares
2024-01-15+81,906→ 81,906 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2024-01-02+6,447→ 6,447 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2023-10-02+9,523→ 9,523 total
Award
LENZ Therapeutics, Inc.$LENZ
Stock Option (right to buy)
2023-07-19+20,000→ 20,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2023-07-03+3,654→ 3,654 total
Award
Mersana Therapeutics, Inc.$MRSN
Common Stock
2023-06-08+14,467→ 14,467 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2023-06-08+18,355→ 18,355 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2023-04-03+3,451→ 3,451 total
Award
LENZ Therapeutics, Inc.$LENZ
Stock Option (right to buy)
2022-06-21+20,000→ 20,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2022-06-09+45,000→ 45,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2022-01-03+10,416→ 10,416 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2021-06-11+25,050→ 25,050 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2021-01-15+2,547→ 2,547 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2020-06-25+9,200→ 9,200 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2020-01-02+11,264→ 11,264 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2019-06-07+25,000→ 25,000 total
Award
Arcus Biosciences, Inc.$RCUS
Stock Option (Right to buy)
2019-06-06+35,000→ 35,000 total
Award
Arcus Biosciences, Inc.$RCUS
Stock Option (right to buy)
2018-10-19+35,000→ 35,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2018-09-20+10,000→ 10,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2018-01-02+3,560→ 3,560 total
Purchase
CELL GENESYS INC
Common Stock
2005-06-09$5.35/sh+500→ 6,904 total
Award
CELL GENESYS INC
Stock Option (Rght to buy)
2005-02-03+42,500→ 42,500 total

Companies

Recent Filings

Address

C/O MERSANA THERAPEUTICS, INC. 840 MEMORIAL DRIVE

CAMBRIDGE, MA, 02139

View on SEC.gov