Charles River Laboratories (CRL)CEO sold ~$1.82M

~$1.82M

Approx. value · 6,500 sh @ $279.90

36K

Holds after · shares reported

Traded

Aug 11, 2026

Filed

Aug 13, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Feb 25, 2026Federal contract · $936K obligatedDepartment of Health and Human Services awarded Charles River Laboratories: $936K obligated to date
2. Feb 28, 2026Federal contract · $5.3M obligatedDepartment of Health and Human Services awarded Charles River Laboratories: $5.31M obligated to date
3. Jun 29, 2026Insider · Their largest sale since 2006Director sold ~$16.9M of CRL shares in the open market
4. Aug 5, 2026Company filing · Form 8-K · ResultsReported its results
5. Aug 5, 2026Insider · Their largest sale since 2022Officer sold ~$1.33M of CRL shares in the open market
6. Aug 6, 20265% stakeFMR LLC reported a passive stake (13G) of 8.8%
7. Aug 6, 2026Insider · 2 peopleInsiders: 10 sales (~$2.8M)
8. Aug 10, 2026InsiderDirector sold ~$7.9M of CRL shares in the open market
9. Aug 11, 2026 · this disclosureInsider · First sale since 2023CEO sold ~$1.82M of CRL shares in the open market

What came next

1. Aug 11, 2026InsiderOfficer sold ~$1.04M of CRL shares in the open market
2. Aug 13, 20265% stakeInvesco Ltd. reported a passive stake (13G) of 6.2%
3. Aug 18, 2026Federal contract · $372K obligatedDepartment of Health and Human Services awarded Charles River Laboratories: $372K obligated to date
4. Aug 18, 2026InsiderDirector sold ~$163K of CRL shares in the open market
5. Aug 19, 2026InsiderOfficer sold ~$600K of CRL shares in the open market
6. Aug 25, 2026InsiderDirector sold ~$10.1M of CRL shares in the open market
7. Aug 31, 2026Federal contract · $1.0M obligatedDepartment of Health and Human Services awarded Charles River Laboratories: $1.01M obligated to date
8. Sep 8, 20265% stakeFMR LLC reported a passive stake (13G) of 10.2%
9. Sep 17, 2026Federal contract · $2.7M obligatedDepartment of Health and Human Services awarded Charles River Laboratories: $2.68M obligated to date
10. Sep 17, 2026Federal contract · $8.2M obligatedDepartment of Health and Human Services awarded Charles River Laboratories: $8.25M obligated to date
11. Sep 25, 2026Federal contract · $340K obligatedDepartment of Health and Human Services awarded Charles River Laboratories: $340K obligated to date
12. Oct 5, 2026InsiderOfficer sold ~$303K of CRL shares in the open market

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Charles River Laboratories

For Charles River Laboratories, OQRO holds 19 insider filings (SEC Form 4 or Form 144), 11 fund holdings reports (13F) and 6 federal contract awards dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its CRL page.

Other recent filings by Birgit Girshick, Chief Executive Officer

• SEC Form 4 at Charles River Laboratories (CRL)Feb 21, 2025

The full history of Birgit Girshick, Chief Executive Officer is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Charles River Laboratories

• SEC Form 4Oct 8, 2026
• SEC Form 144Oct 5, 2026
• USAspending.gov award recordSep 28, 2026
• USAspending.gov award recordSep 25, 2026
• USAspending.gov award recordSep 17, 2026
• USAspending.gov award recordSep 17, 2026

Everything OQRO holds on this company is on its CRL page.