BOYD WILLIAM R
Director · BYD
As of 2026-09-16, BOYD WILLIAM R has 16 Form 4 transactions on record across 1 company — 3 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.
Pattern in the record: open-market sales filed in February in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
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 |
|---|---|---|---|---|---|---|---|
| 2026-02-18 | BYD | Sale | 30,000 @ $84.84 | $2.5M | −1.5% of holding | 1,930,447 | Form 4 |
| 2025-11-07 | BYD | Sale | 20,000 @ $80.36 | $1.6M | −1.0% of holding | 1,960,447 | Form 4 |
| 2025-08-12 | BYD | Sale | 9,774 @ $81.61 | $798K | −39.2% of holding | 15,188 | Form 4 |
| 2025-08-11 | BYD | Sale | 3,226 @ $81.57 | $263K | −11.4% of holding | 24,962 | Form 4 |
| 2025-05-02 | BYD | Sale | 39,040 @ $69.61 | $2.7M | +2.4% of holding | 1,680,447 | Form 4 |
| 2025-05-01 | BYD | Sale | 60,960 @ $69.57 | $4.2M | +3.7% of holding | 1,719,487 | Form 4 |
| 2025-02-19 | BYD | Sale | 15,000 @ $79.32 | $1.2M | −1.0% of holding | 1,472,970 | Form 4 |
9 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-07 | BYD | Award / grant | 2,347 | 17,535 | Form 4 |
| 2025-08-21 | BYD | Other acquisition | 45,482 | 87,034 | Form 4 |
| 2025-08-18 | BYD | Other acquisition | 300,000 | 1,980,447 | Form 4 |
| 2025-05-08 | BYD | Award / grant | 2,795 | 28,188 | Form 4 |
| 2025-03-06 | BYD | Other acquisition | 300,000 | 1,780,447 | Form 4 |
| 2025-02-25 | BYD | Option exercise | 4,784 | 1,480,447 | Form 4 |
| 2025-02-25 | BYD | Option exercise | 2,693 | 1,475,663 | Form 4 |
| 2025-02-25 | BYD | Option exercise | 4,784 | 4,784 | Form 4 |
| 2025-02-25 | BYD | Option exercise | 2,693 | 2,693 | 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.