George Massaro, a director at Charles River Laboratories International, Inc. ($CRL), made eight open market sales of company stock over the past year, totaling about $39,000. His most recent sale occurred on May 15, 2025. Among nearly 12,000 insiders tracked for open market sales, Massaros activity ranks 10,631st by value, well below the average of $8.6 million and 6.4 transactions per insider. He recorded no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 15, 2025 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 35 | $136.32 | 5,680.0000 | 51,201,000 | 0.61% | 0.00% |
| May 15, 2025 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 81 | $137.68 | 5,599.0000 | 51,201,000 | 1.43% | 0.00% |
| May 15, 2025 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 24 | $139.05 | 5,575.0000 | 51,201,000 | 0.43% | 0.00% |
| May 14, 2025 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 91 | $139.95 | 5,764.0000 | 51,201,000 | 1.55% | 0.00% |
| May 14, 2025 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 21 | $140.78 | 5,743.0000 | 51,201,000 | 0.36% | 0.00% |
| May 14, 2025 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 14 | $141.85 | 5,729.0000 | 51,201,000 | 0.24% | 0.00% |
| May 14, 2025 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 7 | $143.77 | 5,722.0000 | 51,201,000 | 0.12% | 0.00% |
| May 14, 2025 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 7 | $145.54 | 5,715.0000 | 51,201,000 | 0.12% | 0.00% |
| May 15, 2024 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 123 | $234.72 | 6,064.0000 | 51,552,000 | 1.99% | 0.00% |
| May 15, 2024 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 113 | $235.61 | 5,951.0000 | 51,552,000 | 1.86% | 0.00% |
| May 15, 2024 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 96 | $236.78 | 5,855.0000 | 51,552,000 | 1.61% | 0.00% |
| May 13, 2024 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | A | Common Stock | 559 | $228.41 | 6,187.0000 | 51,552,000 | 9.93% | 0.00% |
| May 13, 2024 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | A | Stock Options (Right to Buy) | 1311 | $228.41 | 1,311.0000 | 51,552,000 | 9999.99% | 0.00% |
| May 15, 2023 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | A | Common Stock | 664 | $0.00 | 5,628.0000 | 50,944,000 | 13.38% | 0.00% |
| May 15, 2023 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | A | Stock Options (Right to Buy) | 1669 | $192.36 | 1,669.0000 | 50,944,000 | 9999.99% | 0.00% |
| May 11, 2023 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $CRL | MASSARO GEORGE | Director | S | Common Stock | 288 | $193.43 | 4,964.0000 | 50,944,000 | 5.48% | 0.00% |