Alleva Lawrence M

CIK 00015530536 companiesCAMBRIDGE, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001553053

Recent Transactions

50 trades

Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−310→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−215→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−159→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−734→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−1,800→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−2,200→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−561→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$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)
2026-01-06−181→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−544→ 0 total
Disposition from Tender
Mersana Therapeutics, Inc.$MRSN
Common Stock
2026-01-06−578→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−1,002→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−142→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−384→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−133→ 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)
2026-01-06−500→ 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)
2026-01-06−2,460→ 0 total
Disposition from Tender
Mersana Therapeutics, Inc.$MRSN
Common Stock
2026-01-06−84→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−546→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−800→ 0 total
Disposition to Issuer
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2026-01-06−358→ 0 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2025-06-12+61,500→ 61,500 total
Award
BRIGHT HORIZONS FAMILY SOLUTIONS INC.$BFAM
Common Stock
2025-06-03+976→ 11,240 total
Award
Galera Therapeutics, Inc.$GRTX
Stock Option (Right to Buy)
2025-02-24+48,000→ 48,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2025-01-02+12,521→ 12,521 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2024-10-01+9,615→ 9,615 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2024-07-01+8,972→ 8,972 total
Award
Adaptimmune Therapeutics PLC$ADAP
Option to purchase Ordinary Shares
2024-07-01+1,213,926→ 1,213,926 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2024-06-11+55,000→ 55,000 total
Award
BRIGHT HORIZONS FAMILY SOLUTIONS INC.$BFAM
Common Stock
2024-06-05+902→ 10,264 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2024-04-01+3,996→ 3,996 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2024-01-02+7,763→ 7,763 total
Sale
BRIGHT HORIZONS FAMILY SOLUTIONS INC.$BFAM
Common Stock
2023-12-01$88.58/sh−680→ 9,362 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2023-10-02+14,047→ 14,047 total
Award
Adaptimmune Therapeutics PLC$ADAP
Option to purchase Ordinary Shares
2023-07-03+1,077,756→ 1,077,756 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2023-07-03+5,391→ 5,391 total
Award
Galera Therapeutics, Inc.$GRTX
Stock Option (Right to Buy)
2023-07-01+22,762→ 22,762 total
Award
BRIGHT HORIZONS FAMILY SOLUTIONS INC.$BFAM
Common Stock
2023-06-21+1,087→ 10,042 total
Award
Galera Therapeutics, Inc.$GRTX
Stock Option (Right to Buy)
2023-06-14+48,000→ 48,000 total
Award
Mersana Therapeutics, Inc.$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+4,525→ 4,525 total
Gift
Galera Therapeutics, Inc.$GRTX
Common Stock
2022-07-18−4,000→ 2,325 total
Award
Adaptimmune Therapeutics PLC$ADAP
Option to purchase Ordinary Shares
2022-07-01+816,067→ 816,067 total
Award
BRIGHT HORIZONS FAMILY SOLUTIONS INC.$BFAM
Common Stock
2022-06-22+1,299→ 8,955 total
Award
Galera Therapeutics, Inc.$GRTX
Stock Option (Right to Buy)
2022-06-15+15,000→ 15,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2022-06-09+45,000→ 45,000 total

Companies

Recent Filings

4
Alleva Lawrence M
Jan 6, 2026

Address

C/O MERSANA THERAPEUTICS, INC. 840 MEMORIAL DRIVE

CAMBRIDGE, MA, 02139

View on SEC.gov