Heard William
Director · ATEX
As of 2026-09-16, Heard William has 12 Form 4 transactions on record across 1 company — 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 |
|---|---|---|---|---|---|---|---|
| 2026-08-14 | ATEX | Sale | 46,400 @ $90.11 | $4.2M | −2.7% of holding | 1,670,338 | Form 4 |
| 2025-03-21 | ATEX | Sale | 3,500 @ $37.97 | $133K | −0.2% of holding | 1,716,738 | Form 4 |
| 2025-03-20 | ATEX | Sale | 7,000 @ $38.40 | $269K | −0.4% of holding | 1,720,238 | Form 4 |
| 2025-03-19 | ATEX | Sale | 6,500 @ $38.93 | $253K | −0.4% of holding | 1,727,238 | Form 4 |
| 2025-03-17 | ATEX | Sale | 8,251 @ $38.73 | $320K | −0.5% of holding | 1,733,738 | Form 4 |
| 2025-02-20 | ATEX | Sale | 2,249 @ $41.67 | $94K | −0.1% of holding | 1,741,989 | Form 4 |
| 2025-02-14 | ATEX | Sale | 7,900 @ $41.18 | $325K | −0.5% of holding | 1,744,238 | Form 4 |
5 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.