SCULLY WILLIAM P
Ten-percent owner · PRTA
As of 2026-09-16, SCULLY WILLIAM P has 26 Form 4 transactions on record across 1 company — 13 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 |
|---|---|---|---|---|---|---|---|
| 2026-09-02 | PRTA | Purchase | 27,000 @ $9.47 | $256K | +3.4% of holding | 827,000 | Form 4 |
| 2026-08-20 | PRTA | Purchase | 50,000 @ $8.79 | $439K | +6.7% of holding | 800,000 | Form 4 |
| 2026-08-07 | PRTA | Purchase | 34,000 @ $8.62 | $293K | +4.5% of holding | 790,000 | Form 4 |
| 2026-08-07 | PRTA | Purchase | 3,500 @ $8.62 | $30K | +4.4% of holding | 83,500 | Form 4 |
| 2026-06-16 | PRTA | Purchase | 20,000 @ $7.90 | $158K | +2.7% of holding | 756,000 | Form 4 |
| 2026-06-11 | PRTA | Purchase | 125,000 @ $8.17 | $1.0M | +13.4% of holding | 1,061,000 | Form 4 |
| 2026-06-04 | PRTA | Purchase | 50,000 @ $9.31 | $465K | +5.6% of holding | 936,000 | Form 4 |
| 2026-06-02 | PRTA | Purchase | 50,000 @ $9.43 | $471K | +6.0% of holding | 886,000 | Form 4 |
| 2026-05-22 | PRTA | Purchase | 100,000 @ $9.81 | $981K | +13.6% of holding | 836,000 | Form 4 |
| 2025-01-14 | PRTA | Purchase | 100,000 @ $12.79 | $1.3M | +15.7% of holding | 735,993 | Form 4 |
| 2024-12-31 | PRTA | Purchase | 30,000 @ $12.99 | $390K | +4.8% of holding | 650,193 | Form 4 |
| 2024-12-31 | PRTA | Purchase | 1,200 @ $13.37 | $16K | +0.2% of holding | 619,393 | Form 4 |
| 2024-12-31 | PRTA | Purchase | 800 @ $13.39 | $11K | +0.1% of holding | 620,193 | Form 4 |
| 2024-12-20 | PRTA | Purchase | 2,000 @ $15.91 | $32K | +0.3% of holding | 618,693 | Form 4 |
| 2024-12-18 | PRTA | Purchase | 73,436 @ $13.93 | $1.0M | +6.0% of holding | 1,297,693 | Form 4 |
11 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-18 | PRTA | Gift | 627,553 | 750,000 | Form 4 |
| 2026-08-17 | PRTA | Gift | 336,000 | 1,377,553 | Form 4 |
| 2026-08-10 | PRTA | Gift | 251,553 | 1,041,553 | Form 4 |
| 2026-06-15 | PRTA | Gift | 325,000 | 736,000 | Form 4 |
| 2025-01-15 | PRTA | Gift | 12,000 | 47,000 | Form 4 |
| 2025-01-03 | PRTA | Gift | 1,000 | 635,993 | Form 4 |
| 2025-01-02 | PRTA | Gift | 13,200 | 636,993 | Form 4 |
| 2024-12-20 | PRTA | Gift | 40,000 | 59,000 | Form 4 |
| 2024-12-20 | PRTA | Gift | 500 | 618,193 | Form 4 |
| 2024-12-19 | PRTA | Gift | 681,000 | 616,693 | Form 4 |
| 2024-12-18 | PRTA | Gift | 430,000 | 1,224,257 | 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.