Insider · CIK 0001553053

Alleva Lawrence M

Reports to the SEC for 6 companies · MALVERN, PA

sec.gov

Transactions

Companies

Filings

CIK

0001553053

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-03	GRTXGalera Therapeutics, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−40 sh	—	—	0
2026-08-03	GRTXGalera Therapeutics, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−240 sh	—	—	0
2026-08-03	GRTXGalera Therapeutics, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−11 sh	—	—	0
2026-06-03	BFAMBRIGHT HORIZONS FAMILY SOLUTIONS INC.A Award	Director	AAward	+2,096 sh	—	—	13,336
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−1,000 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−368 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−546 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−142 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−215 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−1,800 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc.U Disposition from Tender	Director	UDisposition from Tender	−578 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−400 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−159 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−561 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−734 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−500 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−2,460 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−450 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−181 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−1,002 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−800 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc.U Disposition from Tender	Director	UDisposition from Tender	−84 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−384 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−358 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−2,200 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−310 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−544 sh	—	—	0
2026-01-06	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−133 sh	—	—	0
2025-06-12	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+61.5K sh	—	—	61,500
2025-06-03	BFAMBRIGHT HORIZONS FAMILY SOLUTIONS INC.A Award	Director	AAward	+976 sh	—	—	11,240
2025-02-24	GRTXGalera Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+48K sh	—	—	48,000
2025-01-02	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+12.5K sh	—	—	12,521
2024-10-01	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+9,615 sh	—	—	9,615
2024-07-01	ADAPAdaptimmune Therapeutics PLC · Option to purchase Ordinary SharesA Award	Director	AAward	+1.21M sh	—	—	1,213,926
2024-07-01	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+8,972 sh	—	—	8,972
2024-06-11	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+55K sh	—	—	55,000
2024-06-05	BFAMBRIGHT HORIZONS FAMILY SOLUTIONS INC.A Award	Director	AAward	+902 sh	—	—	10,264
2024-04-01	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+3,996 sh	—	—	3,996
2024-01-02	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+7,763 sh	—	—	7,763
2023-12-01	BFAMBRIGHT HORIZONS FAMILY SOLUTIONS INC.S Sale	Director	SSale	−680 sh	$88.58	−$60.2K	9,362
2023-10-02	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+14K sh	—	—	14,047
2023-07-03	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+5,391 sh	—	—	5,391
2023-07-03	ADAPAdaptimmune Therapeutics PLC · Option to purchase Ordinary SharesA Award	Director	AAward	+1.08M sh	—	—	1,077,756
2023-07-01	GRTXGalera Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+22.8K sh	—	—	22,762
2023-06-21	BFAMBRIGHT HORIZONS FAMILY SOLUTIONS INC.A Award	Director	AAward	+1,087 sh	—	—	10,042
2023-06-14	GRTXGalera Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+48K sh	—	—	48,000
2023-06-08	MRSNMersana Therapeutics, Inc.A Award	Director	AAward	+14.5K sh	—	—	14,467
2023-06-08	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+18.4K sh	—	—	18,355
2023-04-03	MRSNMersana Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+4,525 sh	—	—	4,525
2022-07-18	GRTXGalera Therapeutics, Inc.G Gift	Director	GGift	−4,000 sh	—	—	2,325

Recent filings

Accepted (ET)
Aug 54
Alleva Lawrence M0001193125-26-335215
SEC(opens sec.gov)
Jun 54
Alleva Lawrence M0001553053-26-000002
SEC(opens sec.gov)
Jan 64
Alleva Lawrence M0001104659-26-001377
SEC(opens sec.gov)

Companies

Address

C/O GALERA THERAPEUTICS, INC. 101 LINDENWOOD DRIVE, SUITE 225

MALVERN, PA, 19355