Martin Mackay
Director · CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Individual
- 2025
- May 11, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Martin Mackay files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- BAIN CAPITAL INVESTORS LLC - $134.38M in KLRA purchases and sales in the last 12 months
- Andrew T. Kaplan - $134.38M in KLRA purchases and sales in the last 12 months
- James C. Foster - $34.84M in CRL purchases and sales in the last 12 months
- Adam Koppel - $25.00M in KLRA purchases and sales in the last 12 months
- Bain Capital Life Sciences Investors, LLC - $25.00M in KLRA purchases and sales in the last 12 months
- RTW INVESTMENTS, LP - $8.00M in KLRA purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Martin Mackay?
Martin Mackay is a corporate insider, tracked as Director of CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Martin Mackay last file a Form 4?
The most recent primary Form 4 on record is dated 11 May 2026, one of 5 filings going back to 2025.
