Long Donna M.
Officer · DORM
As of 2026-09-16, Long Donna M. has 28 Form 4 transactions on record across 1 company — 14 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 August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $2.4M
- Indirect $0
| DORM | direct | 19,339 sh | $2.4M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-08-17 | DORM | Sale | 734 @ $135.21 | $99K | −3.7% of holding | 19,339 | Form 4 |
| 2026-03-12 | DORM | Sale | 394 @ $103.21 | $41K | −1.9% of holding | 20,308 | Form 4 |
| 2026-03-12 | DORM | Sale | 318 @ $102.19 | $32K | −1.5% of holding | 20,702 | Form 4 |
| 2026-03-12 | DORM | Sale | 235 @ $104.03 | $24K | −1.2% of holding | 20,073 | Form 4 |
| 2026-01-02 | DORM | Sale | 573 @ $123.70 | $71K | −3.1% of holding | 18,042 | Form 4 |
| 2026-01-02 | DORM | Sale | 186 @ $124.22 | $23K | −1.0% of holding | 17,856 | Form 4 |
| 2026-01-02 | DORM | Sale | 53 @ $122.69 | $7K | −0.3% of holding | 18,615 | Form 4 |
| 2025-08-12 | DORM | Sale | 1,213 @ $150.00 | $182K | −6.4% of holding | 17,861 | Form 4 |
| 2025-07-28 | DORM | Sale | 818 @ $122.21 | $100K | −4.1% of holding | 19,074 | Form 4 |
| 2025-07-28 | DORM | Sale | 2 @ $121.60 | $243 | −0.0% of holding | 19,892 | Form 4 |
| 2025-03-06 | DORM | Sale | 321 @ $129.06 | $41K | −1.6% of holding | 20,315 | Form 4 |
| 2025-03-06 | DORM | Sale | 197 @ $131.78 | $26K | −1.0% of holding | 19,978 | Form 4 |
| 2025-03-06 | DORM | Sale | 140 @ $129.85 | $18K | −0.7% of holding | 20,175 | Form 4 |
| 2025-03-06 | DORM | Sale | 84 @ $133.05 | $11K | −0.4% of holding | 19,894 | Form 4 |
14 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-04 | DORM | Withheld for tax | 531 | 21,020 | Form 4 |
| 2026-03-03 | DORM | Withheld for tax | 221 | 21,551 | Form 4 |
| 2026-03-02 | DORM | Award / grant | 2,587 | 21,772 | Form 4 |
| 2026-03-02 | DORM | Withheld for tax | 90 | 19,185 | Form 4 |
| 2026-03-02 | DORM | Withheld for tax | 66 | 19,275 | Form 4 |
| 2026-02-19 | DORM | Withheld for tax | 1,230 | 19,341 | Form 4 |
| 2026-02-19 | DORM | Award / grant | 2,715 | 20,571 | Form 4 |
| 2025-08-14 | DORM | Option exercise | 807 | 18,668 | Form 4 |
| 2025-08-14 | DORM | Option exercise | 807 | 424 | Form 4 |
| 2025-03-04 | DORM | Withheld for tax | 531 | 20,636 | Form 4 |
| 2025-03-03 | DORM | Award / grant | 1,524 | 21,167 | Form 4 |
| 2025-03-02 | DORM | Withheld for tax | 1,342 | 19,643 | Form 4 |
| 2025-02-20 | DORM | Withheld for tax | 743 | 20,985 | Form 4 |
| 2025-02-20 | DORM | Award / grant | 1,602 | 21,728 | 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.