Knell Michael Gunnar
Officer · CRL
As of 2026-09-16, Knell Michael Gunnar has 31 Form 4 transactions on record across 1 company — 23 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $201K
- Indirect $0
| CRL | direct | 736 sh | $201K |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-06 | CRL | Sale | 1,274 @ $259.07 | $330K | −7.9% of holding | 14,878 | Form 4 |
| 2026-08-06 | CRL | Sale | 1,205 @ $258.53 | $312K | −8.7% of holding | 12,588 | Form 4 |
| 2026-08-06 | CRL | Sale | 901 @ $260.63 | $235K | −6.1% of holding | 13,977 | Form 4 |
| 2026-08-06 | CRL | Sale | 810 @ $261.45 | $212K | −5.8% of holding | 13,167 | Form 4 |
| 2026-08-06 | CRL | Sale | 736 @ $258.53 | $190K | −5.8% of holding | 11,852 | Form 4 |
| 2026-08-06 | CRL | Sale | 620 @ $263.94 | $164K | −4.8% of holding | 12,334 | Form 4 |
| 2026-08-06 | CRL | Sale | 482 @ $265.17 | $128K | −3.9% of holding | 11,852 | Form 4 |
| 2026-08-06 | CRL | Sale | 404 @ $258.53 | $104K | −2.8% of holding | 13,793 | Form 4 |
| 2026-08-06 | CRL | Sale | 213 @ $262.37 | $56K | −1.6% of holding | 12,954 | Form 4 |
22 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-06 | CRL | Option exercise | 1,205 | 13,461 | Form 4 |
| 2026-08-06 | CRL | Option exercise | 736 | 14,197 | Form 4 |
| 2026-08-06 | CRL | Option exercise | 404 | 12,256 | Form 4 |
| 2026-08-06 | CRL | Option exercise | 736 | 736 | Form 4 |
| 2026-08-06 | CRL | Option exercise | 1,205 | 402 | Form 4 |
| 2026-08-06 | CRL | Option exercise | 404 | 0 | Form 4 |
| 2026-05-31 | CRL | Withheld for tax | 48 | 16,152 | Form 4 |
| 2026-05-30 | CRL | Withheld for tax | 152 | 16,200 | Form 4 |
| 2026-05-29 | CRL | Award / grant | 1,837 | 16,352 | Form 4 |
| 2026-05-27 | CRL | Withheld for tax | 37 | 14,515 | Form 4 |
| 2026-05-26 | CRL | Withheld for tax | 50 | 14,552 | Form 4 |
| 2026-01-30 | CRL | Withheld for tax | 526 | 14,602 | Form 4 |
| 2026-01-30 | CRL | Award / grant | 1,668 | 15,128 | Form 4 |
| 2025-11-06 | CRL | Award / grant | 2,926 | 13,460 | Form 4 |
| 2025-06-01 | CRL | Withheld for tax | 225 | 10,534 | Form 4 |
| 2025-05-31 | CRL | Withheld for tax | 48 | 10,759 | Form 4 |
| 2025-05-30 | CRL | Award / grant | 2,064 | 10,807 | Form 4 |
| 2025-05-28 | CRL | Withheld for tax | 25 | 8,743 | Form 4 |
| 2025-05-27 | CRL | Withheld for tax | 37 | 8,768 | Form 4 |
| 2025-05-26 | CRL | Withheld for tax | 50 | 8,805 | Form 4 |
| 2025-01-31 | CRL | Withheld for tax | 282 | 8,855 | Form 4 |
| 2025-01-31 | CRL | Award / grant | 811 | 9,137 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.