Duffy Sean P.
Director · Officer · OMDA
As of 2026-09-16, Duffy Sean P. has 55 Form 4 transactions on record across 1 company — 53 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 $7.6M
- Indirect $0
| OMDA | direct | 382,594 sh | $7.6M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-10 | OMDA | Sale | 13,560 @ $21.80 | $296K | −3.4% of holding | 383,994 | Form 4 |
| 2026-09-10 | OMDA | Sale | 1,400 @ $22.59 | $32K | −0.4% of holding | 382,594 | Form 4 |
| 2026-09-01 | OMDA | Sale | 7,344 @ $23.12 | $170K | −1.7% of holding | 426,089 | Form 4 |
| 2026-09-01 | OMDA | Sale | 5,600 @ $24.27 | $136K | −1.3% of holding | 420,489 | Form 4 |
| 2026-09-01 | OMDA | Sale | 4,933 @ $23.13 | $114K | −1.2% of holding | 415,556 | Form 4 |
| 2026-09-01 | OMDA | Sale | 3,695 @ $24.27 | $90K | −0.9% of holding | 411,861 | Form 4 |
| 2026-08-10 | OMDA | Sale | 12,942 @ $24.81 | $321K | −3.0% of holding | 411,861 | Form 4 |
| 2026-08-07 | OMDA | Sale | 4,314 @ $22.80 | $98K | −1.0% of holding | 411,861 | Form 4 |
| 2026-08-07 | OMDA | Sale | 4,314 @ $20.90 | $90K | −1.0% of holding | 416,175 | Form 4 |
| 2026-08-03 | OMDA | Sale | 12,944 @ $20.40 | $264K | −3.0% of holding | 411,861 | Form 4 |
| 2026-07-01 | OMDA | Sale | 12,944 @ $22.70 | $294K | −3.0% of holding | 411,861 | Form 4 |
| 2026-07-01 | OMDA | Sale | 12,942 @ $22.67 | $293K | −3.0% of holding | 411,861 | Form 4 |
| 2026-06-26 | OMDA | Sale | 9,844 @ $19.61 | $193K | −2.4% of holding | 398,917 | Form 4 |
| 2026-06-26 | OMDA | Sale | 4,314 @ $20.90 | $90K | −1.1% of holding | 394,603 | Form 4 |
| 2026-06-25 | OMDA | Sale | 300 @ $19.00 | $6K | −0.1% of holding | 408,761 | Form 4 |
| 2026-06-24 | OMDA | Sale | 2,800 @ $19.01 | $53K | −0.7% of holding | 409,061 | Form 4 |
| 2026-06-16 | OMDA | Sale | 14,960 @ $17.36 | $260K | −3.5% of holding | 411,861 | Form 4 |
| 2026-03-09 | OMDA | Sale | 3,863 @ $14.32 | $55K | −3.2% of holding | 117,798 | Form 4 |
| 2026-03-09 | OMDA | Sale | 200 @ $14.88 | $3K | −0.2% of holding | 117,598 | Form 4 |
| 2026-01-13 | OMDA | Sale | 40,796 @ $15.95 | $651K | −24.4% of holding | 126,644 | Form 4 |
| 2026-01-12 | OMDA | Sale | 139,989 @ $15.35 | $2.1M | −39.2% of holding | 217,134 | Form 4 |
| 2026-01-12 | OMDA | Sale | 90,490 @ $15.99 | $1.4M | −41.7% of holding | 126,644 | Form 4 |
| 2025-12-10 | OMDA | Sale | 9,266 @ $15.37 | $142K | −6.8% of holding | 126,644 | Form 4 |
32 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-05 | OMDA | Withheld for tax | 4,422 | 397,554 | Form 4 |
| 2026-09-01 | OMDA | Withheld for tax | 9,885 | 401,976 | Form 4 |
| 2026-09-01 | OMDA | Option exercise | 12,944 | 424,805 | Form 4 |
| 2026-09-01 | OMDA | Option exercise | 4,314 | 433,433 | Form 4 |
| 2026-09-01 | OMDA | Option exercise | 4,314 | 429,119 | Form 4 |
| 2026-09-01 | OMDA | Option exercise | 12,944 | 129,539 | Form 4 |
| 2026-09-01 | OMDA | Option exercise | 4,314 | 106,218 | Form 4 |
| 2026-09-01 | OMDA | Option exercise | 4,314 | 512,994 | Form 4 |
| 2026-08-10 | OMDA | Option exercise | 12,942 | 424,803 | Form 4 |
| 2026-08-10 | OMDA | Option exercise | 12,942 | 517,308 | Form 4 |
| 2026-08-07 | OMDA | Option exercise | 5,545 | 417,406 | Form 4 |
| 2026-08-07 | OMDA | Option exercise | 3,083 | 420,489 | Form 4 |
| 2026-08-07 | OMDA | Option exercise | 5,545 | 110,532 | Form 4 |
| 2026-08-07 | OMDA | Option exercise | 3,083 | 530,250 | Form 4 |
| 2026-08-03 | OMDA | Option exercise | 12,944 | 424,805 | Form 4 |
| 2026-08-03 | OMDA | Option exercise | 12,944 | 142,483 | Form 4 |
| 2026-07-01 | OMDA | Option exercise | 12,942 | 424,803 | Form 4 |
| 2026-07-01 | OMDA | Option exercise | 12,944 | 424,805 | Form 4 |
| 2026-07-01 | OMDA | Option exercise | 12,944 | 155,427 | Form 4 |
| 2026-07-01 | OMDA | Option exercise | 12,942 | 116,077 | Form 4 |
| 2026-06-05 | OMDA | Withheld for tax | 4,422 | 436,271 | Form 4 |
| 2026-06-05 | OMDA | Gift | 9,450 | 426,821 | Form 4 |
| 2026-06-01 | OMDA | Withheld for tax | 9,884 | 440,693 | Form 4 |
| 2026-03-05 | OMDA | Withheld for tax | 4,983 | 121,661 | Form 4 |
| 2026-03-05 | OMDA | Award / grant | 323,529 | 441,127 | Form 4 |
| 2026-01-13 | OMDA | Option exercise | 40,796 | 167,440 | Form 4 |
| 2026-01-13 | OMDA | Option exercise | 40,796 | 0 | Form 4 |
| 2026-01-12 | OMDA | Option exercise | 230,479 | 357,123 | Form 4 |
| 2026-01-12 | OMDA | Option exercise | 230,479 | 40,796 | Form 4 |
| 2025-12-05 | OMDA | Withheld for tax | 4,413 | 135,910 | Form 4 |
| 2025-09-05 | OMDA | Withheld for tax | 4,413 | 140,323 | Form 4 |
| 2025-06-05 | OMDA | Award / grant | 144,736 | 144,736 | 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.