InsiderTrades

MACKAY MARTIN

SEC CIK 1414815 · EDGAR

Buying vs selling by month open-market trades, last 57 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CRLCharles River LaboratoriesDir 17.1K — — 82022-01-032026-05-08
RLYBRallybio CorpCEO, Dir 282.6K $103.5K — 32021-07-282022-01-10

Most active insiders at CRL, 12 months

#InsiderTitleBoughtSold
1 FOSTER JAMES CDir —$34.84M
2 Parisotto Shannon MCEVP, Disc, Safety Assessment —$2.97M
3 Girshick BirgitCOO, Corp. Executive VP —$1.82M
4 Knell Michael GunnarSVP, CAO, Fin —$1.73M
5 Creamer Victoria LEVP, CHRO —$1.08M
6 Andrews Nancy CDir —$163.4K
7 LaPlume Joseph WEVP, Corp Strategy, Develop $4,364—
8 Mintz MarkEVP, CIO ——
9 Kemps-Polanco ReshemaDir ——
10 Barg StevenDir ——
17 MACKAY MARTINDir ——

Transactions 11

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
M 2026-05-11 16:48 2026-05-08 CRL Charles River Laboratories MACKAY MARTIN Dir A - Grant $177.62 +2,845 17.1K +20% +$505.3K
DM 2025-05-23 2025-05-21 CRL Charles River Laboratories MACKAY MARTIN Dir A - Grant $134.98 +1,761 13.5K +15% +$237.7K
DM 2024-05-15 2024-05-13 CRL Charles River Laboratories MACKAY MARTIN Dir A - Grant $228.41 +931 12.2K +8% +$212.6K
2023-07-05 2023-07-03 CRL Charles River Laboratories MACKAY MARTIN Dir A - Grant $0.00 +95 11.6K +0.8% $0
2023-06-02 2023-05-31 CRL Charles River Laboratories MACKAY MARTIN Dir A - Grant $0.00 +338 11.5K +3% $0
D 2023-05-17 2023-05-15 CRL Charles River Laboratories MACKAY MARTIN Dir A - Grant $0.00 +664 11.2K +6% $0
DM 2022-05-13 2022-05-11 CRL Charles River Laboratories MACKAY MARTIN Dir A - Grant $0.00 +841 10.2K +9% $0
DM 2022-01-12 2022-01-10+ RLYB Rallybio Corp MACKAY MARTIN CEO, Dir P - Purchase $10.35 +10.0K 282.6K +4% +$103.5K
DI 2022-01-12 2021-07-28 RLYB Rallybio Corp MACKAY MARTIN CEO, Dir J - Other — +436.5K 436.5K New —
D 2022-01-12 2021-07-28 RLYB Rallybio Corp MACKAY MARTIN CEO, Dir J - Other — +272.6K 272.6K New —
2022-01-04 2022-01-03 CRL Charles River Laboratories MACKAY MARTIN Dir A - Grant $0.00 +63 9,662 +0.7% $0

Purchase Sale Sale after option exercise All abbreviations