CRL insider buying and SEC filings, explained
Charles River Laboratories International, Inc. · CIK 1100682
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$1.8M
Planned sales (10b5-1)
$49.1M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 22, 2026 | Planned (10b5-1) | James C. Foster (Director) sold 24,042 shares at $350.00 ($8.4M), marked as a 10b5-1 plan trade. Holdings down 43% to 31,596 shares. | SEC filing Filed Oct 26, 2026, 4:51 PM ET |
| Oct 21, 2026 | Planned (10b5-1) | Shannon M Parisotto (CEVP, Disc & Safety Assessment) sold 2,156 shares at $344.41 ($743K), marked as a 10b5-1 plan trade. Holdings down 31% to 4,807 shares. | SEC filing Filed Oct 23, 2026, 6:45 PM ET |
| Oct 5, 2026 | Planned (10b5-1) | Shannon M Parisotto (CEVP, Disc & Safety Assessment) sold 981 shares at $308.44 ($303K), marked as a 10b5-1 plan trade. Holdings down 17% to 4,807 shares. | SEC filing Filed Oct 7, 2026, 8:32 PM ET |
| Sep 30, 2026 | Purchase (code P) | Glenn Coleman (CFO) bought 10 shares at $297.43 ($3K), reported as a purchase (code P). Holdings up <1% to 27,762 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 2, 2026, 4:27 PM ET |
| Aug 25, 2026 | Planned (10b5-1) | James C. Foster (Director) sold 33,561 shares at $300.00 ($10.1M), marked as a 10b5-1 plan trade. Holdings down 52% to 31,596 shares. | SEC filing Filed Aug 27, 2026 |
| Aug 19, 2026 | Planned (10b5-1) | Shannon M Parisotto (CEVP, Disc & Safety Assessment) sold 2,039 shares at $294.12 ($600K), marked as a 10b5-1 plan trade. Holdings down 30% to 4,807 shares. | SEC filing Filed Aug 20, 2026 |
| Aug 11, 2026 | Planned (10b5-1) | Birgit Girshick (CEO and Director) sold 6,500 shares at $279.90 ($1.8M), marked as a 10b5-1 plan trade. Holdings down 15% to 36,013 shares. | SEC filing Filed Aug 13, 2026 |
| Aug 11, 2026 | Planned (10b5-1) | Shannon M Parisotto (CEVP, Disc & Safety Assessment) sold 3,714 shares at $279.66 ($1.0M), marked as a 10b5-1 plan trade. Holdings down 44% to 4,807 shares. | SEC filing Filed Aug 13, 2026 |
| Aug 10, 2026 | Planned (10b5-1) | James C. Foster (Director) sold 28,733 shares at $275.00 ($7.9M), marked as a 10b5-1 plan trade. Holdings down 48% to 31,596 shares. | SEC filing Filed Aug 11, 2026 |
| Aug 6, 2026 | Sale | Michael Gunnar Knell (SVP, Finance and CAO) sold 6,645 shares at about $260.38 ($1.7M). Holdings down 36% to 11,852 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 10, 2026 |
| Aug 5, 2026 | Planned (10b5-1) | Shannon M Parisotto (CEVP, Disc & Safety Assessment) sold 5,046 shares at $263.00 ($1.3M), marked as a 10b5-1 plan trade. Holdings down 51% to 4,807 shares. | SEC filing Filed Aug 6, 2026 |
| Jun 29, 2026 | Planned (10b5-1) | James C. Foster (Director) sold 75,000 shares at $225.00 ($16.9M), marked as a 10b5-1 plan trade. Holdings down 70% to 31,596 shares. | SEC filing Filed Jul 1, 2026 |
| Mar 3, 2026 | Purchase (code P) | Joseph W LaPlume (EVP, Corp Strategy & Develop) bought 25 shares at $174.54 ($4K), reported as a purchase (code P). Holdings up <1% to 27,448 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Aug 22, 2025 | Sale | Joseph W LaPlume (EVP, Corp Strategy & Develop) sold 400 shares at $163.72 ($65K). Holdings down 2% to 23,716 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 20, 2026 |
56 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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