Knell Michael Gunnar
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to Knell Michael Gunnar. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| CRL | CSVP, CAO, Interim CFO | Award / Grant | 2,926 | $170.88 | $499,995 | Nov 6, 2025 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 2,064 | $135.63 | $279,940 | May 31, 2025 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 25 | $138.65 | $3,466 | May 27, 2025 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 811 | — | — | Jan 31, 2025 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 648 | — | — | May 31, 2024 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 36 | $214.51 | $7,722 | May 29, 2024 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 50 | $217.21 | $10,861 | May 28, 2024 |
| CRL | CSVP&Chief Accounting Officer | Sale | 808 | $267.52 | $216,156 | Mar 8, 2024 |
| CRL | CSVP&Chief Accounting Officer | Sale | 808 | $267.52 | $216,156 | Mar 8, 2024 |
| CRL | CSVP&Chief Accounting Officer | Sale | 1,750 | $260.88 | $456,540 | Mar 4, 2024 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 968 | — | — | Jan 29, 2024 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 313 | $220.28 | $68,948 | Jan 29, 2024 |
| CRL | CSVP&Chief Accounting Officer | Option Exercise | 1,471 | $144.67 | $212,810 | Aug 10, 2023 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 1,528 | — | — | Jun 1, 2023 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 36 | $194.12 | $6,988 | May 28, 2023 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 51 | $243.60 | $12,424 | Feb 22, 2023 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 2,096 | — | — | Jan 27, 2023 |
| CRL | CSVP&Chief Accounting Officer | Sale | 855 | $248.59 | $212,544 | Nov 16, 2022 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 491 | — | — | May 29, 2022 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 51 | $293.61 | $14,974 | Feb 23, 2022 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 826 | $312.24 | $257,910 | Jan 28, 2022 |
| CRL | CSVP&Chief Accounting Officer | Option Exercise | 404 | $179.66 | $72,583 | Jun 4, 2021 |
| CRL | CSVP&Chief Accounting Officer | Sale | 800 | $329.76 | $263,808 | Jun 3, 2021 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 54 | $337.99 | $18,251 | May 28, 2021 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 93 | $332.45 | $30,918 | May 1, 2021 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 62 | $289.55 | $17,952 | Feb 23, 2021 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 3,162 | — | — | Jan 29, 2021 |
| CRL | CSVP&Chief Accounting Officer | Sale | 663 | $216.93 | $143,825 | Aug 7, 2020 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 484 | — | — | May 29, 2020 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 62 | $144.67 | $8,970 | May 1, 2020 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 51 | $173.64 | $8,856 | Feb 23, 2020 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 62 | $140.47 | $8,709 | May 1, 2019 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 690 | — | — | Feb 23, 2019 |
| CRL | CSVP&Chief Accounting Officer | Tax Withholding | 61 | $104.19 | $6,356 | May 1, 2018 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 758 | — | — | Feb 23, 2018 |
| CRL | CSVP&Chief Accounting Officer | Award / Grant | 830 | — | — | May 1, 2017 |
| BRKRP | Chief Accounting Officer | Award / Grant | 1,839 | — | — | Oct 4, 2016 |