Mark Elliott Boulding
CIK: 0001578852
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
PTC THERAPEUTICS, INC.
Discretionary Trading P&L
Holdings
Transaction History (140 total)
- Oct 9, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct192 shares at avg. $64.26$12K - Oct 9, 2026PTCT
PTC THERAPEUTICS, INC.
Exercise(M)Direct192 shares at avg. $39.42$8K - Oct 6, 2026PTCT
PTC THERAPEUTICS, INC.
Exercise(M)Direct435 shares at avg. $39.42$17K - Oct 6, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct435 shares at avg. $64.16$28K - Oct 5, 2026PTCT
PTC THERAPEUTICS, INC.
Exercise(M)Direct1.6K shares at avg. $39.42$65K - Oct 5, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct1.6K shares at avg. $64.03$105K - Aug 17, 2026PTCT
PTC THERAPEUTICS, INC.
Exercise(M)Direct2.8K shares at avg. $25.69$72K - Aug 17, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct1.8K shares at avg. $72.39$133K - Aug 17, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct969 shares at avg. $72.90$71K - Jul 6, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct601 shares at avg. $86.38$52K - Jul 6, 2026PTCT
PTC THERAPEUTICS, INC.
Exercise(M)Direct2.8K shares at avg. $46.54$131K - Jul 6, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct833 shares at avg. $84.41$70K - Jul 6, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct313 shares at avg. $83.10$26K - Jul 6, 2026PTCT
PTC THERAPEUTICS, INC.
Exercise(M)Direct2.3K shares at avg. $39.42$89K - Jul 6, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct645 shares at avg. $85.84$55K - Jul 6, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct387 shares at avg. $83.10$32K - Jul 6, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct519 shares at avg. $85.84$45K - Jul 6, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct1K shares at avg. $84.41$87K - Jul 6, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct745 shares at avg. $86.38$64K - Jun 17, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct309 shares at avg. $79.25$24K - Jun 17, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct1.9K shares at avg. $79.24$147K - Jun 17, 2026PTCT
PTC THERAPEUTICS, INC.
Exercise(M)Direct2K shares at avg. $46.54$94K - Jun 17, 2026PTCT
PTC THERAPEUTICS, INC.
Exercise(M)Direct8.5K shares at avg. $46.54$396K - Jun 17, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct6.6K shares at avg. $78.50$518K - Jun 17, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct1.7K shares at avg. $78.50$134K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 9, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 192 | $64.26 | $12,338 | Direct |
| Oct 9, 2026 | PTCT PTC THERAPEUTICS, INC. | Exercise(M) | 192 | $39.42 | $7,569 | Direct |
| Oct 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Exercise(M) | 435 | $39.42 | $17,148 | Direct |
| Oct 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 435 | $64.16 | $27,910 | Direct |
| Oct 5, 2026 | PTCT PTC THERAPEUTICS, INC. | Exercise(M) | 1,638 | $39.42 | $64,570 | Direct |
| Oct 5, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 1,638 | $64.03 | $104,881 | Direct |
| Aug 17, 2026 | PTCT PTC THERAPEUTICS, INC. | Exercise(M) | 2,813 | $25.69 | $72,266 | Direct |
| Aug 17, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 1,844 | $72.39 | $133,487 | Direct |
| Aug 17, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 969 | $72.90 | $70,640 | Direct |
| Jul 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 601 | $86.38 | $51,914 | Direct |
| Jul 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Exercise(M) | 2,813 | $46.54 | $130,917 | Direct |
| Jul 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 833 | $84.41 | $70,314 | Direct |
| Jul 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 313 | $83.10 | $26,010 | Direct |
| Jul 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Exercise(M) | 2,266 | $39.42 | $89,326 | Direct |
| Jul 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 645 | $85.84 | $55,367 | Direct |
| Jul 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 387 | $83.10 | $32,160 | Direct |
| Jul 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 519 | $85.84 | $44,551 | Direct |
| Jul 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 1,036 | $84.41 | $87,449 | Direct |
| Jul 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 745 | $86.38 | $64,353 | Direct |
| Jun 17, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 309 | $79.25 | $24,488 | Direct |
| Jun 17, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 1,850 | $79.24 | $146,594 | Direct |
| Jun 17, 2026 | PTCT PTC THERAPEUTICS, INC. | Exercise(M) | 2,012 | $46.54 | $93,638 | Direct |
| Jun 17, 2026 | PTCT PTC THERAPEUTICS, INC. | Exercise(M) | 8,510 | $46.54 | $396,055 | Direct |
| Jun 17, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 6,600 | $78.50 | $518,100 | Direct |
| Jun 17, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 1,703 | $78.50 | $133,686 | Direct |
1-25 of 140 transactions
About Boulding Mark Elliott
Boulding Mark Elliott (SEC CIK 0001578852) files insider reports with the SEC as EXEC. VP AND CLO of PTC THERAPEUTICS, INC. (PTCT).
Signal8 holds 25 ownership filings by Boulding Mark Elliott, all Form 4s, filed between Dec 4, 2024 and Oct 13, 2026. Those filings report 140 transactions, from Dec 2, 2024 to Oct 9, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Boulding Mark Elliott's filings is in WARREN, NJ.
Recent filings by Boulding Mark Elliott
- Oct 9, 2026: Open-market sale of PTCT shares (Form 4, code S).
- Oct 9, 2026: Option exercise of PTCT shares (Form 4, code M).
- Oct 6, 2026: Option exercise of PTCT shares (Form 4, code M).
- Oct 6, 2026: Open-market sale of PTCT shares (Form 4, code S).
- Oct 5, 2026: Option exercise of PTCT shares (Form 4, code M).
Other insiders filing for PTC THERAPEUTICS, INC. (PTCT)
- SCHMERTZLER MICHAEL, Director
- STEELE GLENN JR MD PHD, Director
- Klein Matthew B., CHIEF EXECUTIVE OFFICER
- Sollie-Zetlmayer Hege Elisabeth, Director
- Gravier Pierre, CHIEF FINANCIAL OFFICER
- Smith Mary L., Director