Brisbin Thomas Donald
Director · WLDN
As of 2026-09-16, Brisbin Thomas Donald has 55 Form 4 transactions on record across 1 company — 12 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 $1.8M
- Indirect $0
| WLDN | direct | 22,635 sh | $1.8M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | WLDN | Sale | 4,005 @ $79.01 | $316K | −3.9% of holding | 97,587 | Form 4 |
| 2026-09-15 | WLDN | Sale | 900 @ $80.91 | $73K | −0.9% of holding | 96,687 | Form 4 |
| 2026-09-08 | WLDN | Sale | 3,439 @ $88.19 | $303K | −3.4% of holding | 96,687 | Form 4 |
| 2026-09-03 | WLDN | Sale | 58,757 @ $88.14 | $5.2M | −37.8% of holding | 96,687 | Form 4 |
| 2025-08-25 | WLDN | Sale | 5,182 @ $118.15 | $612K | −6.8% of holding | 70,696 | Form 4 |
| 2025-08-22 | WLDN | Sale | 33,096 @ $109.39 | $3.6M | −25.2% of holding | 98,188 | Form 4 |
| 2025-08-22 | WLDN | Sale | 27,492 @ $110.84 | $3.0M | −28.0% of holding | 70,696 | Form 4 |
| 2025-08-22 | WLDN | Sale | 24,988 @ $108.90 | $2.7M | −16.0% of holding | 131,284 | Form 4 |
| 2025-08-22 | WLDN | Sale | 10,615 @ $104.58 | $1.1M | −5.6% of holding | 177,676 | Form 4 |
| 2025-08-22 | WLDN | Sale | 8,974 @ $107.65 | $966K | −5.4% of holding | 156,272 | Form 4 |
| 2025-08-22 | WLDN | Sale | 7,520 @ $106.68 | $802K | −4.4% of holding | 165,246 | Form 4 |
| 2025-08-22 | WLDN | Sale | 4,910 @ $105.36 | $517K | −2.8% of holding | 172,766 | Form 4 |
| 2025-08-21 | WLDN | Sale | 33,950 @ $104.66 | $3.6M | −13.3% of holding | 221,771 | Form 4 |
| 2025-08-21 | WLDN | Sale | 33,380 @ $105.91 | $3.5M | −15.1% of holding | 188,391 | Form 4 |
| 2025-08-21 | WLDN | Sale | 33,464 @ $103.95 | $3.5M | −11.6% of holding | 255,721 | Form 4 |
| 2025-08-21 | WLDN | Sale | 17,106 @ $103.01 | $1.8M | −5.6% of holding | 289,185 | Form 4 |
| 2025-08-21 | WLDN | Sale | 7,000 @ $101.87 | $713K | −2.2% of holding | 306,291 | Form 4 |
| 2025-08-21 | WLDN | Sale | 100 @ $106.34 | $11K | −0.1% of holding | 188,291 | Form 4 |
| 2025-08-20 | WLDN | Sale | 7,405 @ $104.19 | $772K | −2.3% of holding | 313,291 | Form 4 |
| 2025-08-18 | WLDN | Sale | 58,303 @ $109.51 | $6.4M | −14.1% of holding | 354,160 | Form 4 |
| 2025-08-18 | WLDN | Sale | 33,233 @ $108.63 | $3.6M | −7.5% of holding | 412,463 | Form 4 |
| 2025-08-18 | WLDN | Sale | 26,258 @ $110.51 | $2.9M | −7.4% of holding | 327,902 | Form 4 |
| 2025-08-18 | WLDN | Sale | 7,206 @ $111.21 | $801K | −2.2% of holding | 320,696 | Form 4 |
| 2025-08-18 | WLDN | Sale | 4,782 @ $112.30 | $537K | −1.1% of holding | 445,996 | Form 4 |
| 2025-08-18 | WLDN | Sale | 300 @ $113.01 | $34K | −0.1% of holding | 445,696 | Form 4 |
| 2025-05-27 | WLDN | Sale | 22,459 @ $52.34 | $1.2M | −5.0% of holding | 422,454 | Form 4 |
| 2025-05-23 | WLDN | Sale | 1,626 @ $51.54 | $84K | −0.4% of holding | 422,454 | Form 4 |
| 2025-05-22 | WLDN | Sale | 5,915 @ $52.04 | $308K | −1.4% of holding | 422,454 | Form 4 |
| 2025-05-16 | WLDN | Sale | 20,000 @ $48.54 | $971K | −4.5% of holding | 422,454 | Form 4 |
| 2024-11-25 | WLDN | Sale | 7,700 @ $43.45 | $335K | −1.9% of holding | 406,704 | Form 4 |
| 2024-11-22 | WLDN | Sale | 7,700 @ $42.34 | $326K | −1.8% of holding | 414,404 | Form 4 |
| 2024-11-21 | WLDN | Sale | 7,700 @ $41.69 | $321K | −1.8% of holding | 422,104 | Form 4 |
23 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-15 | WLDN | Option exercise | 4,905 | 101,592 | Form 4 |
| 2026-09-15 | WLDN | Option exercise | 4,905 | 22,635 | Form 4 |
| 2026-09-08 | WLDN | Option exercise | 3,439 | 100,126 | Form 4 |
| 2026-09-08 | WLDN | Option exercise | 3,439 | 27,540 | Form 4 |
| 2026-09-03 | WLDN | Option exercise | 58,757 | 155,444 | Form 4 |
| 2026-09-03 | WLDN | Option exercise | 58,727 | 30,979 | Form 4 |
| 2026-06-17 | WLDN | Award / grant | 1,241 | 96,687 | Form 4 |
| 2026-03-11 | WLDN | Award / grant | 24,750 | 95,446 | Form 4 |
| 2025-08-25 | WLDN | Option exercise | 5,182 | 75,878 | Form 4 |
| 2025-08-25 | WLDN | Option exercise | 5,182 | 89,736 | Form 4 |
| 2025-08-18 | WLDN | Option exercise | 5,082 | 450,778 | Form 4 |
| 2025-08-18 | WLDN | Award / grant | 21,461 | 445,696 | Form 4 |
| 2025-08-18 | WLDN | Option exercise | 5,082 | 94,918 | Form 4 |
| 2025-06-11 | WLDN | Award / grant | 1,781 | 424,235 | Form 4 |
| 2025-05-27 | WLDN | Option exercise | 22,459 | 444,913 | Form 4 |
| 2025-05-27 | WLDN | Option exercise | 22,459 | 0 | Form 4 |
| 2025-05-23 | WLDN | Option exercise | 1,626 | 424,080 | Form 4 |
| 2025-05-23 | WLDN | Option exercise | 1,626 | 22,459 | Form 4 |
| 2025-05-22 | WLDN | Option exercise | 5,915 | 428,369 | Form 4 |
| 2025-05-22 | WLDN | Option exercise | 5,915 | 24,085 | Form 4 |
| 2025-05-16 | WLDN | Option exercise | 20,000 | 442,454 | Form 4 |
| 2025-05-16 | WLDN | Option exercise | 20,000 | 30,000 | Form 4 |
| 2025-03-11 | WLDN | Award / grant | 15,750 | 422,454 | 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.