Insider · CIK 0001414815

MACKAY MARTIN

Reports to the SEC for 7 companies · WILMINGTON, MA

sec.gov

Transactions

Companies

Filings

CIK

0001414815

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-05-08	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+1,438 sh	$177.62	+$255K	15,730
2026-05-08	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+1,407 sh	$177.62	+$250K	17,137
2026-04-16	KLRAKailera Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+38.3K sh	—	—	38,300
2026-02-18	RLYBRallybio Corp · Option (Right to Buy)A Award	Director	AAward	+18.1K sh	$3.60	+$65K	18,055
2025-07-01	SpringWorks Therapeutics, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−20K sh	—	—	0
2025-07-01	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−29.4K sh	—	—	0
2025-05-21	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+946 sh	$134.98	+$128K	13,477
2025-05-21	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC. · Stock Options (Right to Buy)A Award	Director	AAward	+2,076 sh	$134.98	+$280K	2,076
2025-05-21	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+815 sh	$134.98	+$110K	14,292
2025-05-14	SpringWorks Therapeutics, Inc.A Award	Director	AAward	+10.1K sh	—	—	20,023
2025-05-13	RLYBRallybio Corp · Option (Right to Buy)A Award	Director	AAward	+28.5K sh	—	—	28,500
2025-01-02	RLYBRallybio Corp · Option (Right to Buy)A Award	Director	AAward	+92.9K sh	$0.70	+$65K	92,857
2024-07-29	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+29.4K sh	—	—	29,445
2024-07-29	SpringWorks Therapeutics, Inc.A Award	Director	AAward	+9,963 sh	—	—	9,963
2024-05-13	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+559 sh	$228.41	+$128K	12,159
2024-05-13	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC. · Stock Options (Right to Buy)A Award	Director	AAward	+1,311 sh	$228.41	+$299K	1,311
2024-05-13	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+372 sh	$228.41	+$85K	12,531
2024-02-15	RLYBRallybio Corp · Option (Right to Buy)A Award	Director	AAward	+216K sh	—	—	216,000
2023-07-03	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+95 sh	—	—	11,600
2023-05-31	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+338 sh	—	—	11,505
2023-05-15	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC. · Stock Options (Right to Buy)A Award	Director	AAward	+1,669 sh	$192.36	+$321K	1,669
2023-05-15	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+664 sh	—	—	11,167
2023-02-06	RLYBRallybio Corp · Option (Right to Buy)A Award	Director	AAward	+214K sh	—	—	214,000
2022-05-11	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+549 sh	—	—	10,211
2022-05-11	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+292 sh	—	—	10,503
2022-05-11	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC. · Stock Options (Right to Buy)A Award	Director	AAward	+1,512 sh	$222.31	+$336K	1,512
2022-02-07	RLYBRallybio Corp · Option (Right to Buy)A Award	Director	AAward	+62K sh	—	—	62,000
2022-01-11	RLYBRallybio CorpP Purchase	Director	PPurchase	+4,496 sh	$10.65	+$47.9K	282,609
2022-01-10	RLYBRallybio CorpP Purchase	Director	PPurchase	+5,504 sh	$10.10	+$55.6K	278,113
2022-01-03	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+63 sh	—	—	9,662
2021-07-28	RLYBRallybio CorpJ Other	Director	JOther	+437K sh	—	—	436,517
2021-07-28	RLYBRallybio CorpJ Other	Director	JOther	+273K sh	—	—	272,609
2021-07-28	RLYBRallybio Corp · Option (Right to Buy)A Award	Director	AAward	+160K sh	—	—	160,000
2021-07-28	RLYBRallybio Corp · Series B Preferred UnitsJ Other	Director	JOther	−108K sh	—	—	0
2021-07-28	RLYBRallybio Corp · Series A-2 Preferred UnitsJ Other	Director	JOther	−100K sh	—	—	0
2021-07-28	RLYBRallybio Corp · Series A-1 Preferred UnitsJ Other	Director	JOther	−150K sh	—	—	0
2021-07-28	RLYBRallybio Corp · Common UnitsJ Other	Director	JOther	−2.56M sh	—	—	0
2021-07-28	RLYBRallybio Corp · Common UnitsJ Other	Director	JOther	−2.26M sh	—	—	0
2021-05-07	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC. · Stock Options (Right to Buy)A Award	Director	AAward	+1,151 sh	—	—	1,151
2021-05-07	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+355 sh	—	—	9,380
2021-05-07	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+219 sh	—	—	9,599
2020-10-16	5:01 Acquisition Corp.Class B Common StockJ Other	Director	JOther	+30K sh	—	—	30,000
2020-05-11	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC. · Stock Options (Right to Buy)A Award	Director	AAward	+2,539 sh	—	—	2,539
2020-05-11	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+741 sh	—	—	8,568
2020-05-11	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+457 sh	—	—	9,025
2019-05-22	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+1,882 sh	—	—	7,228
2019-05-22	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+599 sh	—	—	7,827
2018-05-14	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+2,004 sh	—	—	4,786
2018-05-14	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+560 sh	—	—	5,346
2017-08-01	CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.A Award	Director	AAward	+607 sh	—	—	2,782

Recent filings

Accepted (ET)
May 114
MACKAY MARTIN0001100682-26-000059
SEC(opens sec.gov)
Apr 204
MACKAY MARTIN0001193125-26-164253
SEC(opens sec.gov)
Feb 204
MACKAY MARTIN0001628280-26-010334
SEC(opens sec.gov)
Jul 24
MACKAY MARTIN0001104659-25-065304
SEC(opens sec.gov)
May 234
MACKAY MARTIN0001127602-25-015485
SEC(opens sec.gov)
May 154
MACKAY MARTIN0001104659-25-049655
SEC(opens sec.gov)
May 154
MACKAY MARTIN0001739410-25-000080
SEC(opens sec.gov)
Jan 64
MACKAY MARTIN0001739410-25-000008
SEC(opens sec.gov)
Jul 304
MACKAY MARTIN0001104659-24-083966
SEC(opens sec.gov)
May 154
MACKAY MARTIN0001127602-24-015531
SEC(opens sec.gov)
Feb 164
MACKAY MARTIN0001739410-24-000019
SEC(opens sec.gov)
Jul 54
MACKAY MARTIN0001127602-23-019952
SEC(opens sec.gov)
Jun 24
MACKAY MARTIN0001127602-23-017435
SEC(opens sec.gov)

Companies

Address

C/O CHARLES RIVER LABORATORIES 251 BALLARDVALE STREET

WILMINGTON, MA, 01887