SANDBROOK WILLIAM J
Director · KNF, FIX
As of 2026-09-16, SANDBROOK WILLIAM J has 10 Form 4 transactions on record across 2 companies — 4 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
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 |
|---|---|---|---|---|---|---|---|
| 2026-04-29 | FIX | Sale | 1,500 @ $1732.67 | $2.6M | −16.4% of holding | 7,666 | Form 4 |
| 2026-02-24 | FIX | Sale | 2,500 @ $1443.32 | $3.6M | −21.4% of holding | 9,166 | Form 4 |
| 2025-09-10 | FIX | Sale | 800 @ $733.56 | $587K | −6.4% of holding | 11,666 | Form 4 |
| 2025-09-09 | FIX | Sale | 600 @ $708.97 | $425K | −4.6% of holding | 12,566 | Form 4 |
| 2025-09-09 | FIX | Sale | 100 @ $706.00 | $71K | −0.8% of holding | 12,466 | Form 4 |
| 2025-08-25 | FIX | Sale | 700 @ $689.58 | $483K | −5.0% of holding | 13,166 | Form 4 |
4 award / exercise / gift records — not counted as purchases
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.