Boulding Mark Elliott — SEC Form 4 filings
SEC reporting owner CIK 1578852. 26 Form 4 filings on record with FilingPulse; latest filed 2026-08-19.
Transaction summary — filings shown
Covers all 26 filings on record, filed 2024-01-10 to 2026-08-19. 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): 95 legs across 24 filings — 332,623 shares, $19,391,526 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 87.
- Largest priced transaction: sale of 83,640 shares @ $52.26 ($4,371,026) 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) | EXEC. VP AND CLO | 26 | — | 95 legs · 332,623 sh · $19,391,526 | 87 |
Form 4 filings — Boulding Mark Elliott
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-19 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,813 @ $25.69 · Sale (S): 1,844 @ $72.39 · Sale (S): 969 @ $72.90 · Option exercise (M): 2,813 (derivative) @ $0 | EDGAR |
| 2026-07-08 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,266 @ $39.42 · Sale (S): 313 @ $83.10 · Sale (S): 833 @ $84.41 · Sale (S): 519 @ $85.84 · Sale (S): 601 @ $86.38 · Option exercise (M): 2,813 @ $46.54 · +6 more | EDGAR |
| 2026-06-22 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 8,510 @ $46.54 · Sale (S): 6,600 @ $78.50 · Sale (S): 1,850 @ $79.24 · Option exercise (M): 2,012 @ $46.54 · Sale (S): 1,703 @ $78.50 · Sale (S): 309 @ $79.25 · +2 more | EDGAR |
| 2026-05-19 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,812 @ $25.69 · Sale (S): 2,356 @ $72.08 · Sale (S): 456 @ $72.67 · Option exercise (M): 2,812 (derivative) @ $0 | EDGAR |
| 2026-05-12 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,740 @ $46.54 · Sale (S): 840 @ $78.23 · Sale (S): 1,900 @ $79.31 · Option exercise (M): 800 @ $46.54 · Sale (S): 200 @ $78 · Sale (S): 600 @ $79.28 · +2 more | EDGAR |
| 2026-04-08 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,265 @ $39.42 · Sale (S): 822 @ $68.91 · Sale (S): 1,443 @ $69.75 · Option exercise (M): 2,265 (derivative) @ $0 | EDGAR |
| 2026-02-23 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 588 @ $68.54 · Sale (S): 1,629 @ $69.82 · Sale (S): 212 @ $68.54 · Sale (S): 590 @ $69.82 | EDGAR |
| 2026-02-19 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,813 @ $25.69 · Sale (S): 2,811 @ $69.29 · Sale (S): 2 @ $70.13 · Sale (S): 3,081 @ $69.36 · Option exercise (M): 2,813 (derivative) @ $0 | EDGAR |
| 2026-01-12 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 2,482 @ $76.56 · Sale (S): 265 @ $77.07 · Sale (S): 1,286 @ $76.45 · Sale (S): 1,521 @ $77.46 · Sale (S): 686 @ $78.71 · Sale (S): 107 @ $79.52 | EDGAR |
| 2026-01-08 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 1,739 @ $76.95 · Sale (S): 1,503 @ $77.48 · Option exercise (M): 2,625 @ $38.10 · Sale (S): 1,638 @ $77.11 · Sale (S): 949 @ $77.91 · Sale (S): 38 @ $78.60 · +6 more | EDGAR |
| 2026-01-06 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Grant/award (A): 17,000 @ $0 · Option exercise (M): 2,266 @ $39.42 · Sale (S): 1,123 @ $74.92 · Sale (S): 1,035 @ $76.10 · Sale (S): 108 @ $76.79 · Grant/award (A): 42,500 (derivative) @ $0 · +1 more | EDGAR |
| 2025-11-19 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,812 @ $25.69 · Sale (S): 1,843 @ $75.64 · Sale (S): 777 @ $76.53 · Sale (S): 192 @ $77.18 · Option exercise (M): 2,812 (derivative) @ $0 | EDGAR |
| 2025-10-09 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 3,375 @ $38.10 · Sale (S): 1,757 @ $62.89 · Sale (S): 1,306 @ $63.80 · Sale (S): 312 @ $64.97 · Option exercise (M): 3,375 (derivative) @ $0 | EDGAR |
| 2025-10-07 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 18,124 @ $39.42 · Sale (S): 3,100 @ $64.43 · Sale (S): 6,124 @ $65.47 · Sale (S): 7,400 @ $66.44 · Sale (S): 1,500 @ $67.15 · Option exercise (M): 2,266 @ $39.42 · +13 more | EDGAR |
| 2025-09-15 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 17,838 @ $38.10 · Sale (S): 17,838 @ $61 · Option exercise (M): 2,356 @ $38.10 · Sale (S): 2,356 @ $61 · Option exercise (M): 2,470 @ $38.10 · Sale (S): 2,470 @ $61 · +13 more | EDGAR |
| 2025-08-19 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 2,813 @ $25.69 · Sale (S): 2,813 @ $48.58 · Option exercise (M): 2,813 (derivative) @ $0 | EDGAR |
| 2025-05-19 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 1,929 @ $25.69 · Sale (S): 1,929 @ $46.18 · Option exercise (M): 883 @ $25.69 · Sale (S): 883 @ $46.02 · Option exercise (M): 1,929 (derivative) @ $0 · Option exercise (M): 883 (derivative) @ $0 | EDGAR |
| 2025-03-14 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 13,126 @ $33.02 · Sale (S): 13,126 @ $53.31 · Option exercise (M): 2,395 @ $33.02 · Sale (S): 2,395 @ $53.23 · Option exercise (M): 13,126 (derivative) @ $0 · Option exercise (M): 2,395 (derivative) @ $0 | EDGAR |
| 2025-03-12 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 45,392 @ $33.02 · Sale (S): 45,392 @ $53.15 · Option exercise (M): 11,398 @ $33.02 · Sale (S): 11,398 @ $53.12 · Option exercise (M): 11,249 @ $25.69 · Sale (S): 3,487 @ $52.24 · +10 more | EDGAR |
| 2025-02-21 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 1,333 @ $50.10 · Sale (S): 1,614 @ $50.12 | EDGAR |
| 2025-01-10 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 1,543 @ $45.34 · Sale (S): 1,998 @ $44.50 | EDGAR |
| 2025-01-07 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Grant/award (A): 18,000 @ $0 · Grant/award (A): 45,000 (derivative) @ $0 | EDGAR |
| 2024-12-04 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Option exercise (M): 1,960 @ $51 · Sale (S): 1,960 @ $52.17 · Option exercise (M): 83,640 @ $51 · Sale (S): 83,640 @ $52.26 · Option exercise (M): 600 @ $33.02 · Sale (S): 600 @ $53.04 · +11 more | EDGAR |
| 2024-02-16 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Grant/award (A): 18,000 @ $0 · Grant/award (A): 3,200 @ $0 · Grant/award (A): 45,000 (derivative) @ $0 | EDGAR |
| 2024-02-01 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 794 @ $27.25 | EDGAR |
| 2024-01-10 | 4 | PTC THERAPEUTICS, INC. (PTCT) | Sale (S): 1,457 @ $28.64 · Sale (S): 1,938 @ $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.
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