Charles River Laboratories (CRL)
Insider transactions
A complete record of Form 4 filings tracking every share acquisition and disposal by executives, directors, and senior officers. Filterable by date range and transaction type, the table exposes the direct market actions of those with the deepest knowledge of a company's operations — providing a factual, data-driven signal of internal conviction that complements traditional fundamental and technical analysis.
Transaction date | Executive | Executive Title | Security Type | Acquisition / Disposal | Shares | Share price |
|---|---|---|---|---|---|---|
| Oct 22, 2026 | FOSTER, JAMES C | Director | Stock Options (Right to Buy) | Acquisition | 24,042 | $0 |
| Oct 22, 2026 | FOSTER, JAMES C | Director | Common Stock | Acquisition | 24,042 | $244.41 |
| Oct 22, 2026 | FOSTER, JAMES C | Director | Common Stock | Disposal | 24,042 | $350 |
| Oct 21, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Stock Options (Right to Buy) | Acquisition | 2,156 | $0 |
| Oct 21, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 2,156 | $344.41 |
| Oct 21, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Acquisition | 2,156 | $244.41 |
| Oct 5, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Acquisition | 981 | $208.44 |
| Oct 5, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 981 | $308.44 |
| Oct 5, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Stock Options (Right to Buy) | Acquisition | 981 | $0 |
| Sep 30, 2026 | COLEMAN, GLENN | EVP & Chief Financial Officer | Common Stock | Acquisition | 10 | $297.43 |
| Aug 25, 2026 | FOSTER, JAMES C | Director | Stock Options (Right to Buy) | Acquisition | 12,429 | $0 |
| Aug 25, 2026 | FOSTER, JAMES C | Director | Stock Options (Right to Buy) | Acquisition | 21,132 | $0 |
| Aug 25, 2026 | FOSTER, JAMES C | Director | Common Stock | Acquisition | 21,132 | $194.12 |
| Aug 25, 2026 | FOSTER, JAMES C | Director | Common Stock | Disposal | 33,561 | $300 |
| Aug 25, 2026 | FOSTER, JAMES C | Director | Stock Options (Right to Buy) | Disposal | 12,429 | $0 |
| Aug 25, 2026 | FOSTER, JAMES C | Director | Common Stock | Acquisition | 12,429 | $208.44 |
| Aug 25, 2026 | FOSTER, JAMES C | Director | Stock Options (Right to Buy) | Disposal | 21,132 | $0 |
| Aug 19, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Stock Options (Right to Buy) | Acquisition | 2,039 | $0 |
| Aug 19, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Stock Options (Right to Buy) | Disposal | 2,039 | $0 |
| Aug 19, 2026 | GIRSHICK, BIRGIT | Director, Chief Executive Officer | Common Stock | Disposal | 528 | $0 |
| Aug 19, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 2,039 | $294.12 |
| Aug 19, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Acquisition | 2,039 | $194.12 |
| Aug 18, 2026 | ANDREWS, NANCY C | Director | Stock Options (Right to Buy) | Acquisition | 573 | $0 |
| Aug 18, 2026 | ANDREWS, NANCY C | Director | Common Stock | Disposal | 573 | $285.24 |
| Aug 18, 2026 | ANDREWS, NANCY C | Director | Common Stock | Acquisition | 573 | $164.30 |
| Aug 18, 2026 | ANDREWS, NANCY C | Director | Stock Options (Right to Buy) | Disposal | 573 | $0 |
| Aug 11, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Stock Options (Right to Buy) | Acquisition | 3,714 | $0 |
| Aug 11, 2026 | GIRSHICK, BIRGIT | Director, Chief Executive Officer | Stock Options (Right to Buy) | Acquisition | 6,500 | $0 |
| Aug 11, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Stock Options (Right to Buy) | Disposal | 3,714 | $0 |
| Aug 11, 2026 | GIRSHICK, BIRGIT | Director, Chief Executive Officer | Stock Options (Right to Buy) | Disposal | 6,500 | $0 |
| Aug 11, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Acquisition | 3,714 | $179.66 |
| Aug 11, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 3,714 | $279.66 |
| Aug 11, 2026 | GIRSHICK, BIRGIT | Director, Chief Executive Officer | Common Stock | Acquisition | 6,500 | $179.66 |
| Aug 11, 2026 | GIRSHICK, BIRGIT | Director, Chief Executive Officer | Common Stock | Disposal | 6,500 | $279.90 |
| Aug 10, 2026 | FOSTER, JAMES C | Director | Stock Options (Right to Buy) | Acquisition | 28,733 | $0 |
| Aug 10, 2026 | FOSTER, JAMES C | Director | Common Stock | Acquisition | 28,733 | $179.66 |
| Aug 10, 2026 | FOSTER, JAMES C | Director | Common Stock | Disposal | 28,733 | $275 |
| Aug 10, 2026 | LAPLUME, JOSEPH W | EVP, Corp Strategy & Develop | Common Stock | Disposal | 257 | $0 |
| Aug 10, 2026 | FOSTER, JAMES C | Director | Stock Options (Right to Buy) | Disposal | 28,733 | $0 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Stock Options (Right to Buy) | Acquisition | 736 | $0 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Stock Options (Right to Buy) | Acquisition | 404 | $0 |
| Aug 6, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Stock Options (Right to Buy) | Acquisition | 4,179 | $0 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Stock Options (Right to Buy) | Acquisition | 1,205 | $0 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Stock Options (Right to Buy) | Disposal | 736 | $0 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Stock Options (Right to Buy) | Disposal | 404 | $0 |
| Aug 6, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Stock Options (Right to Buy) | Disposal | 4,179 | $0 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 620 | $263.94 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 482 | $265.17 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 213 | $262.37 |
| Aug 6, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Common Stock | Disposal | 4,179 | $259.16 |
| Aug 6, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Common Stock | Acquisition | 4,179 | $179.66 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 1,205 | $258.53 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Acquisition | 1,205 | $194.12 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 810 | $261.45 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 736 | $258.53 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 404 | $258.53 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Acquisition | 736 | $208.44 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Acquisition | 404 | $179.66 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Stock Options (Right to Buy) | Disposal | 1,205 | $0 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 1,274 | $259.07 |
| Aug 6, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 901 | $260.63 |
| Aug 5, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 5,046 | $263 |
| Jun 29, 2026 | FOSTER, JAMES C | Director | Common Stock | Disposal | 75,000 | $225 |
| Jun 5, 2026 | FOSTER, JAMES C | Director | Common Stock | Acquisition | 153,361 | $0 |
| Jun 5, 2026 | FOSTER, JAMES C | Director | Common Stock | Acquisition | 20,000 | $0 |
| Jun 5, 2026 | FOSTER, JAMES C | Director | Common Stock | Acquisition | 10,000 | $0 |
| Jun 5, 2026 | FOSTER, JAMES C | Director | Common Stock | Disposal | 10,000 | $0 |
| Jun 5, 2026 | FOSTER, JAMES C | Director | Common Stock | Disposal | 20,000 | $0 |
| Jun 5, 2026 | FOSTER, JAMES C | Director | Common Stock | Disposal | 153,361 | $0 |
| Jun 5, 2026 | GIRSHICK, BIRGIT | Chief Executive Officer | Common Stock | Disposal | 3,386 | $0 |
| Jun 5, 2026 | GIRSHICK, BIRGIT | Chief Executive Officer | Common Stock | Acquisition | 3,386 | $0 |
| Jun 5, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Acquisition | 1,529 | $0 |
| Jun 5, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 1,529 | $0 |
| Jun 2, 2026 | BARG, STEVEN | Director | Common Stock | Acquisition | 422 | $174.79 |
| May 31, 2026 | GIRSHICK, BIRGIT | Chief Executive Officer | Common Stock | Disposal | 378 | $180.71 |
| May 31, 2026 | LAPLUME, JOSEPH W | EVP, Corp Strategy & Develop | Common Stock | Disposal | 235 | $180.71 |
| May 31, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 170 | $180.71 |
| May 31, 2026 | MINTZ, MARK | EVP, Chief Information Officer | Common Stock | Disposal | 64 | $180.71 |
| May 31, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 48 | $180.71 |
| May 31, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Common Stock | Disposal | 194 | $180.71 |
| May 30, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 152 | $180.71 |
| May 30, 2026 | LAPLUME, JOSEPH W | EVP, Corp Strategy & Develop | Common Stock | Disposal | 744 | $180.71 |
| May 30, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Common Stock | Disposal | 616 | $180.71 |
| May 30, 2026 | MINTZ, MARK | EVP, Chief Information Officer | Common Stock | Disposal | 305 | $180.71 |
| May 30, 2026 | GIRSHICK, BIRGIT | Chief Executive Officer | Common Stock | Disposal | 1,204 | $180.71 |
| May 30, 2026 | FOSTER, JAMES C | Director | Common Stock | Disposal | 1,596 | $180.71 |
| May 30, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 551 | $180.71 |
| May 29, 2026 | MINTZ, MARK | EVP, Chief Information Officer | Common Stock | Acquisition | 2,534 | $180.71 |
| May 29, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Common Stock | Acquisition | 5,135 | $180.71 |
| May 29, 2026 | LAPLUME, JOSEPH W | EVP, Corp Strategy & Develop | Common Stock | Acquisition | 5,257 | $180.71 |
| May 29, 2026 | GIRSHICK, BIRGIT | Chief Executive Officer | Common Stock | Acquisition | 9,961 | $180.71 |
| May 29, 2026 | COLEMAN, GLENN | EVP & Chief Financial Officer | Common Stock | Acquisition | 6,640 | $180.71 |
| May 29, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Acquisition | 1,837 | $180.71 |
| May 29, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Acquisition | 4,361 | $180.71 |
| May 27, 2026 | MINTZ, MARK | EVP, Chief Information Officer | Common Stock | Disposal | 47 | $156.73 |
| May 27, 2026 | GIRSHICK, BIRGIT | Chief Executive Officer | Common Stock | Disposal | 242 | $156.73 |
| May 27, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 37 | $156.73 |
| May 27, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Common Stock | Disposal | 148 | $156.73 |
| May 27, 2026 | LAPLUME, JOSEPH W | EVP, Corp Strategy & Develop | Common Stock | Disposal | 185 | $156.73 |
| May 27, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 105 | $156.73 |
| May 26, 2026 | LAPLUME, JOSEPH W | EVP, Corp Strategy & Develop | Common Stock | Disposal | 243 | $160.30 |
| May 26, 2026 | GIRSHICK, BIRGIT | Chief Executive Officer | Common Stock | Disposal | 376 | $160.30 |
| May 26, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Common Stock | Disposal | 198 | $160.30 |
| May 26, 2026 | KNELL, MICHAEL GUNNAR | SVP, Finance and CAO | Common Stock | Disposal | 50 | $160.30 |
| May 26, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 168 | $160.30 |
| May 26, 2026 | MINTZ, MARK | EVP, Chief Information Officer | Common Stock | Disposal | 64 | $160.30 |
| May 12, 2026 | ANDREWS, NANCY C | Director | Common Stock | Disposal | 3,964 | $0 |
| May 12, 2026 | ANDREWS, NANCY C | Director | Common Stock | Acquisition | 3,964 | $0 |
| May 8, 2026 | GRAVES, PAUL W | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | FOSTER, JAMES C | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | MACKAY, MARTIN | Director | Common Stock | Acquisition | 1,407 | $177.62 |
| May 8, 2026 | MACKAY, MARTIN | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | WILSON, VIRGINIA M | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | ENYEDY, MARK J | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | LLADO, GEORGE SR. | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | ANDREWS, NANCY C | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | THOMPSON, CRAIG B. | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | BARG, STEVEN | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | KEMPS-POLANCO, RESHEMA | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | KEMPS-POLANCO, RESHEMA | Director | Common Stock | Acquisition | 535 | $177.62 |
| May 8, 2026 | CEESAY, ABRAHAM | Director | Common Stock | Acquisition | 1,438 | $177.62 |
| May 8, 2026 | LLADO, GEORGE SR. | Director | Common Stock | Acquisition | 450 | $177.62 |
| May 8, 2026 | FOSTER, JAMES C | Director | Common Stock | Acquisition | 422 | $177.62 |
| May 1, 2026 | COLEMAN, GLENN | EVP & Chief Financial Officer | Common Stock | Acquisition | 21,112 | $165.78 |
| Mar 4, 2026 | GIRSHICK, BIRGIT | Corporate Executive VP & COO | Common Stock | Disposal | 328 | $0 |
| Mar 3, 2026 | LAPLUME, JOSEPH W | EVP, Corp Strategy & Develop | Common Stock | Acquisition | 25 | $174.54 |
| Mar 2, 2026 | FOSTER, JAMES C | Director, Chairman, President and CEO | Common Stock | Acquisition | 16,796 | $178.61 |
| Feb 6, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 7,169 | $0 |
| Feb 6, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Acquisition | 7,169 | $0 |
| Jan 30, 2026 | MINTZ, MARK | EVP, Chief Information Officer | Common Stock | Acquisition | 1,797 | $0 |
| Jan 30, 2026 | KNELL, MICHAEL GUNNAR | CSVP, CAO, Interim CFO | Common Stock | Acquisition | 1,668 | $0 |
| Jan 30, 2026 | GIRSHICK, BIRGIT | Corporate Executive VP & COO | Common Stock | Acquisition | 9,500 | $0 |
| Jan 30, 2026 | LAPLUME, JOSEPH W | EVP, Corp Strategy & Develop | Common Stock | Disposal | 1,749 | $211.68 |
| Jan 30, 2026 | GIRSHICK, BIRGIT | Corporate Executive VP & COO | Common Stock | Disposal | 3,061 | $211.68 |
| Jan 30, 2026 | LAPLUME, JOSEPH W | EVP, Corp Strategy & Develop | Common Stock | Acquisition | 5,456 | $0 |
| Jan 30, 2026 | MINTZ, MARK | EVP, Chief Information Officer | Common Stock | Disposal | 655 | $211.68 |
| Jan 30, 2026 | FOSTER, JAMES C | Director, Chairman, President and CEO | Common Stock | Disposal | 14,664 | $211.68 |
| Jan 30, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Acquisition | 4,236 | $0 |
| Jan 30, 2026 | KNELL, MICHAEL GUNNAR | CSVP, CAO, Interim CFO | Common Stock | Disposal | 526 | $211.68 |
| Jan 30, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Common Stock | Disposal | 1,296 | $211.68 |
| Jan 30, 2026 | FOSTER, JAMES C | Director, Chairman, President and CEO | Common Stock | Acquisition | 39,031 | $0 |
| Jan 30, 2026 | CREAMER, VICTORIA L | EVP & Chief People Officer | Common Stock | Acquisition | 5,006 | $0 |
| Jan 30, 2026 | PARISOTTO, SHANNON M | CEVP, Disc & Safety Assessment | Common Stock | Disposal | 1,067 | $211.68 |