Summary
Updated Aug 31, 2026
Michael Gunnar Knell is SVP, Finance and CAO of CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL). 7 SEC Form 4 filings on record going back to 2025, most recently on 10 August 2026. Most recent open-market trade: sold $190K of CRL on 10 August 2026. Lifetime open-market sales: $1.73M.
Recent Transactions
20Every recent SEC Form 4 transaction Michael Gunnar Knell has reported, most recent first.
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.F - Tax withholding / forfeiture48 shares @ $180.71$9K
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.F - Tax withholding / forfeiture
152 shares @ $180.71$27K
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.F - Tax withholding / forfeiture
37 shares @ $156.73$6K
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.F - Tax withholding / forfeiture
50 shares @ $160.30$8K
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.F - Tax withholding / forfeiture
526 shares @ $211.68$111K
Trading Pattern
InsiderAlpha's records for Michael Gunnar Knell go back to 2025: 7 primary Form 4 filings, an average of 3.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Michael Gunnar Knell 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.
- James C. Foster - $34.84M of CRL open-market activity in the last 12 months
- Shannon M. Parisotto - $2.97M of CRL open-market activity in the last 12 months
- Birgit Girshick - $1.82M of CRL open-market activity in the last 12 months
- Victoria L. Creamer - $1.08M of CRL open-market activity in the last 12 months
- Nancy C. Andrews - $163K of CRL open-market activity in the last 12 months
- Joseph W. Laplume - $70K of CRL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Michael Gunnar Knell?
Michael Gunnar Knell is a corporate insider, tracked as SVP, Finance and CAO of CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Michael Gunnar Knell submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Michael Gunnar Knell been buying or selling stock?
Recorded transactions: 0 open-market purchases and 9 open-market sales ($1.73M) across all tracked filings.
Where can I see all of Michael Gunnar Knell's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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