Almstead Neil Gregory — SEC Form 4 filings
SEC reporting owner CIK 1578850. 21 Form 4 filings on record with FilingPulse; latest filed 2026-07-13.
Transaction summary — filings shown
Covers all 21 filings on record, filed 2024-01-10 to 2026-07-13. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 82 legs across 18 filings — 413,455 shares, $30,100,103 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 66.
- Largest priced transaction: sale of 58,345 shares @ $51.97 ($3,032,190) in PTC THERAPEUTICS, INC., filed 2024-12-04.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | 21 | — | 82 legs · 413,455 sh · $30,100,103 | 66 |
Form 4 filings — Almstead Neil Gregory
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-13 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,464 @ $46.54 · Sale (S): 2,464 @ $90.25 · Option exercise (M): 2,464 (derivative) @ $0 | EDGAR |
| 2026-07-08 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 811 @ $38.10 · Sale (S): 426 @ $85.28 · Sale (S): 385 @ $86.34 · Option exercise (M): 18,876 @ $38.10 · Sale (S): 8,786 @ $85.35 · Sale (S): 10,090 @ $86.32 · +10 more | EDGAR |
| 2026-06-30 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 412 @ $38.10 · Sale (S): 412 @ $85.23 · Option exercise (M): 7,718 @ $38.10 · Sale (S): 7,718 @ $85.26 · Option exercise (M): 412 (derivative) @ $0 · Option exercise (M): 7,718 (derivative) @ $0 | EDGAR |
| 2026-06-26 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 401 @ $38.10 · Sale (S): 401 @ $85.01 · Option exercise (M): 4,922 @ $38.10 · Sale (S): 4,922 @ $85.03 · Option exercise (M): 1,001 @ $38.10 · Sale (S): 582 @ $85.24 · +11 more | EDGAR |
| 2026-06-24 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 23,749 @ $25.69 · Sale (S): 12,130 @ $80.61 · Sale (S): 11,619 @ $81.21 · Option exercise (M): 23,749 (derivative) @ $0 | EDGAR |
| 2026-04-03 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 39,393 @ $68.89 · Sale (S): 12,530 @ $69.50 · Sale (S): 80 @ $70.30 | EDGAR |
| 2026-03-09 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 3,989 @ $63.38 | EDGAR |
| 2026-02-20 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 3,056 @ $69.36 · Sale (S): 65 @ $69.36 | EDGAR |
| 2026-01-12 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 881 @ $76.45 · Sale (S): 59 @ $76.45 | EDGAR |
| 2026-01-08 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 1,279 @ $76.95 · Sale (S): 54 @ $76.95 · Sale (S): 1,026 @ $77.48 · Sale (S): 52 @ $77.48 | EDGAR |
| 2026-01-06 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Grant/award (A): 17,500 @ $0 · Grant/award (A): 520 @ $0 · Grant/award (A): 43,750 (derivative) @ $0 | EDGAR |
| 2025-11-26 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 1,900 @ $18.01 · Sale (S): 1,900 @ $80.14 · Option exercise (M): 1,650 @ $33.02 · Sale (S): 1,650 @ $80.14 · Option exercise (M): 4,715 @ $18.01 · Sale (S): 4,715 @ $80.15 · +9 more | EDGAR |
| 2025-11-26 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,475 @ $18.01 · Sale (S): 911 @ $82.63 · Sale (S): 990 @ $83.44 · Sale (S): 574 @ $84.67 · Option exercise (M): 2,020 @ $33.02 · Sale (S): 689 @ $82.63 · +23 more | EDGAR |
| 2025-10-07 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 3,442 @ $30.86 · Sale (S): 1,609 @ $65.46 · Sale (S): 1,760 @ $66.56 · Sale (S): 73 @ $67.16 · Option exercise (M): 51,558 @ $30.86 · Sale (S): 23,419 @ $65.45 · +4 more | EDGAR |
| 2025-02-21 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 1,300 @ $50.10 · Sale (S): 34 @ $50.10 · Sale (S): 1,578 @ $50.12 · Sale (S): 34 @ $50.12 | EDGAR |
| 2025-01-10 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 1,265 @ $45.34 · Sale (S): 55 @ $45.34 · Sale (S): 1,552 @ $44.50 · Sale (S): 107 @ $44.50 | EDGAR |
| 2025-01-07 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Grant/award (A): 19,000 @ $0 · Grant/award (A): 715 @ $0 · Grant/award (A): 47,500 (derivative) @ $0 | EDGAR |
| 2024-12-04 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,594 @ $51 · Sale (S): 2,328 @ $51.85 · Sale (S): 266 @ $52.73 · Option exercise (M): 66,956 @ $51 · Sale (S): 58,345 @ $51.97 · Sale (S): 8,611 @ $52.72 · +6 more | EDGAR |
| 2024-02-16 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Grant/award (A): 19,000 @ $0 · Grant/award (A): 6,000 @ $0 · Grant/award (A): 870 @ $0 · Grant/award (A): 47,500 (derivative) @ $0 | EDGAR |
| 2024-02-01 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 618 @ $27.25 · Sale (S): 28 @ $27.25 | EDGAR |
| 2024-01-10 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 1,236 @ $28.64 · Sale (S): 53 @ $28.64 · Sale (S): 1,521 @ $29.01 · Sale (S): 100 @ $29.01 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-10 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1578850 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →