Boulding Mark Elliott insider trades
Boulding Mark Elliott has filed 41 Form 4s with the SEC that we hold, all for Ptc Therapeutics, INC. (PTCT), as EXEC. VP AND CLO. Across all of them we count 0 purchases worth $0 and 125 sales worth $24.8M reported on Form 4. In the last 12 months: 0 purchases ($0) and 51 sales ($4.2M). The largest single trade was a sale of 83,640 shares of Ptc Therapeutics, INC. worth $4.4M, dated 2024-12-02. Of 2 sales filed since we began reading the 10b5-1 checkbox, 2 (100%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-07-12 and the latest 2026-10-07.
Ptc Therapeutics, INC. (PTCT)
EXEC. VP AND CLO · 41 filings · 125 purchases and sales
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-07-08 | S, sale reported on Form 4 | 1,000 | $45.2K | 2021-07-12 |
| 2021-07-08 | S, sale reported on Form 4 | 1,100 | $49.7K | 2021-07-12 |
| 2021-07-08 | S, sale reported on Form 4 | 1,500 | $67.8K | 2021-07-12 |
| 2021-07-08 | S, sale reported on Form 4 | 1,800 | $81.4K | 2021-07-12 |
| 2021-07-08 | S, sale reported on Form 4 | 1,405 | $63.5K | 2021-07-12 |
| 2021-07-09 | S, sale reported on Form 4 | 410 | $18.4K | 2021-07-12 |
| 2021-07-09 | S, sale reported on Form 4 | 227 | $10.2K | 2021-07-12 |
| 2021-07-09 | S, sale reported on Form 4 | 244 | $11.0K | 2021-07-12 |
| 2021-07-09 | S, sale reported on Form 4 | 548 | $24.7K | 2021-07-12 |
| 2021-09-02 | S, sale reported on Form 4 | 3,363 | $151.4K | 2021-09-03 |
| 2022-01-07 | S, sale reported on Form 4 | 885 | $34.1K | 2022-01-11 |
| 2022-02-01 | S, sale reported on Form 4 | 779 | $31.2K | 2022-02-03 |
| 2022-02-10 | S, sale reported on Form 4 | 15,653 | $704.9K | 2022-02-11 |
| 2022-02-10 | S, sale reported on Form 4 | 2,282 | $102.8K | 2022-02-11 |
| 2022-04-05 | S, sale reported on Form 4 | 5 | $225 | 2022-04-07 |
| 2022-04-13 | S, sale reported on Form 4 | 2,276 | $102.8K | 2022-04-15 |
| 2022-09-20 | S, sale reported on Form 4 | 876 | $48.2K | 2022-09-22 |
| 2022-09-20 | S, sale reported on Form 4 | 300 | $16.5K | 2022-09-22 |
| 2022-10-17 | S, sale reported on Form 4 | 200 | $11.0K | 2022-10-19 |
| 2022-10-17 | S, sale reported on Form 4 | 6,402 | $352.1K | 2022-10-19 |
| 2022-10-18 | S, sale reported on Form 4 | 10 | $554 | 2022-10-19 |
| 2022-10-18 | S, sale reported on Form 4 | 289 | $15.9K | 2022-10-19 |
| 2023-01-09 | S, sale reported on Form 4 | 835 | $34.8K | 2023-01-11 |
| 2023-01-10 | S, sale reported on Form 4 | 590 | $25.3K | 2023-01-12 |
| 2023-01-11 | S, sale reported on Form 4 | 495 | $22.0K | 2023-01-12 |
| 2023-01-31 | S, sale reported on Form 4 | 812 | $37.1K | 2023-02-02 |
| 2023-04-17 | S, sale reported on Form 4 | 3,292 | $169.3K | 2023-04-19 |
| 2023-04-17 | S, sale reported on Form 4 | 58,631 | $3.0M | 2023-04-19 |
| 2024-01-08 | S, sale reported on Form 4 | 1,457 | $41.7K | 2024-01-10 |
| 2024-01-09 | S, sale reported on Form 4 | 1,938 | $56.2K | 2024-01-10 |
| 2024-01-30 | S, sale reported on Form 4 | 794 | $21.6K | 2024-02-01 |
| 2024-12-02 | S, sale reported on Form 4 | 83,640 | $4.4M | 2024-12-04 |
| 2024-12-02 | S, sale reported on Form 4 | 1,960 | $102.3K | 2024-12-04 |
| 2024-12-03 | S, sale reported on Form 4 | 6,315 | $335.6K | 2024-12-04 |
| 2024-12-03 | S, sale reported on Form 4 | 1,405 | $75.9K | 2024-12-04 |
| 2024-12-03 | S, sale reported on Form 4 | 600 | $31.8K | 2024-12-04 |
| 2024-12-03 | S, sale reported on Form 4 | 88 | $4.8K | 2024-12-04 |
| 2024-12-03 | S, sale reported on Form 4 | 1,900 | $100.9K | 2024-12-04 |
| 2025-01-07 | S, sale reported on Form 4 | 1,543 | $70.0K | 2025-01-10 |
| 2025-01-08 | S, sale reported on Form 4 | 1,998 | $88.9K | 2025-01-10 |
| 2025-02-19 | S, sale reported on Form 4 | 1,333 | $66.8K | 2025-02-21 |
| 2025-02-20 | S, sale reported on Form 4 | 1,614 | $80.9K | 2025-02-21 |
| 2025-03-10 | S, sale reported on Form 4 | 45,392 | $2.4M | 2025-03-12 |
| 2025-03-10 | S, sale reported on Form 4 | 11,398 | $605.5K | 2025-03-12 |
| 2025-03-10 | S, sale reported on Form 4 | 3,487 | $182.2K | 2025-03-12 |
| 2025-03-10 | S, sale reported on Form 4 | 7,762 | $411.8K | 2025-03-12 |
| 2025-03-11 | S, sale reported on Form 4 | 1,719 | $91.1K | 2025-03-12 |
| 2025-03-11 | S, sale reported on Form 4 | 5,662 | $300.2K | 2025-03-12 |
| 2025-03-12 | S, sale reported on Form 4 | 13,126 | $699.7K | 2025-03-14 |
| 2025-03-12 | S, sale reported on Form 4 | 2,395 | $127.5K | 2025-03-14 |
| 2025-05-15 | S, sale reported on Form 4 | 1,929 | $89.1K | 2025-05-19 |
| 2025-05-16 | S, sale reported on Form 4 | 883 | $40.6K | 2025-05-19 |
| 2025-08-15 | S, sale reported on Form 4 | 2,813 | $136.7K | 2025-08-19 |
| 2025-09-11 | S, sale reported on Form 4 | 2,470 | $150.7K | 2025-09-15 |
| 2025-09-11 | S, sale reported on Form 4 | 2,356 | $143.7K | 2025-09-15 |
| 2025-09-11 | S, sale reported on Form 4 | 17,838 | $1.1M | 2025-09-15 |
| 2025-09-12 | S, sale reported on Form 4 | 22,117 | $1.4M | 2025-09-15 |
| 2025-09-12 | S, sale reported on Form 4 | 544 | $33.8K | 2025-09-15 |
| 2025-09-12 | S, sale reported on Form 4 | 1,019 | $62.5K | 2025-09-15 |
| 2025-09-12 | S, sale reported on Form 4 | 905 | $55.4K | 2025-09-15 |
| 2025-10-03 | S, sale reported on Form 4 | 536 | $34.5K | 2025-10-07 |
| 2025-10-03 | S, sale reported on Form 4 | 824 | $54.2K | 2025-10-07 |
| 2025-10-03 | S, sale reported on Form 4 | 906 | $60.4K | 2025-10-07 |
| 2025-10-03 | S, sale reported on Form 4 | 550 | $35.4K | 2025-10-07 |
| 2025-10-03 | S, sale reported on Form 4 | 838 | $55.1K | 2025-10-07 |
| 2025-10-03 | S, sale reported on Form 4 | 877 | $58.5K | 2025-10-07 |
| 2025-10-03 | S, sale reported on Form 4 | 3,100 | $199.7K | 2025-10-07 |
| 2025-10-03 | S, sale reported on Form 4 | 6,124 | $400.9K | 2025-10-07 |
| 2025-10-03 | S, sale reported on Form 4 | 7,400 | $491.7K | 2025-10-07 |
| 2025-10-03 | S, sale reported on Form 4 | 1,500 | $100.7K | 2025-10-07 |
| 2025-10-06 | S, sale reported on Form 4 | 2,266 | $147.4K | 2025-10-07 |
| 2025-10-07 | S, sale reported on Form 4 | 1,757 | $110.5K | 2025-10-09 |
| 2025-10-07 | S, sale reported on Form 4 | 312 | $20.3K | 2025-10-09 |
| 2025-10-07 | S, sale reported on Form 4 | 1,306 | $83.3K | 2025-10-09 |
| 2025-11-17 | S, sale reported on Form 4 | 1,843 | $139.4K | 2025-11-19 |
| 2025-11-17 | S, sale reported on Form 4 | 777 | $59.5K | 2025-11-19 |
| 2025-11-17 | S, sale reported on Form 4 | 192 | $14.8K | 2025-11-19 |
| 2026-01-05 | S, sale reported on Form 4 | 1,123 | $84.1K | 2026-01-06 |
| 2026-01-05 | S, sale reported on Form 4 | 1,035 | $78.8K | 2026-01-06 |
| 2026-01-05 | S, sale reported on Form 4 | 108 | $8.3K | 2026-01-06 |
| 2026-01-06 | S, sale reported on Form 4 | 1,739 | $133.8K | 2026-01-08 |
| 2026-01-07 | S, sale reported on Form 4 | 11 | $869 | 2026-01-08 |
| 2026-01-07 | S, sale reported on Form 4 | 1,503 | $116.5K | 2026-01-08 |
| 2026-01-07 | S, sale reported on Form 4 | 1,638 | $126.3K | 2026-01-08 |
| 2026-01-07 | S, sale reported on Form 4 | 949 | $73.9K | 2026-01-08 |
| 2026-01-07 | S, sale reported on Form 4 | 38 | $3.0K | 2026-01-08 |
| 2026-01-07 | S, sale reported on Form 4 | 471 | $36.3K | 2026-01-08 |
| 2026-01-07 | S, sale reported on Form 4 | 269 | $21.0K | 2026-01-08 |
| 2026-01-08 | S, sale reported on Form 4 | 2,482 | $190.0K | 2026-01-12 |
| 2026-01-08 | S, sale reported on Form 4 | 265 | $20.4K | 2026-01-12 |
| 2026-01-08 | S, sale reported on Form 4 | 1,286 | $98.3K | 2026-01-12 |
| 2026-01-09 | S, sale reported on Form 4 | 686 | $54.0K | 2026-01-12 |
| 2026-01-09 | S, sale reported on Form 4 | 107 | $8.5K | 2026-01-12 |
| 2026-01-09 | S, sale reported on Form 4 | 1,521 | $117.8K | 2026-01-12 |
| 2026-02-17 | S, sale reported on Form 4 | 2 | $140 | 2026-02-19 |
| 2026-02-17 | S, sale reported on Form 4 | 2,811 | $194.8K | 2026-02-19 |
| 2026-02-18 | S, sale reported on Form 4 | 3,081 | $213.7K | 2026-02-19 |
| 2026-02-19 | S, sale reported on Form 4 | 590 | $41.2K | 2026-02-23 |
| 2026-02-19 | S, sale reported on Form 4 | 212 | $14.5K | 2026-02-23 |
| 2026-02-19 | S, sale reported on Form 4 | 1,629 | $113.7K | 2026-02-23 |
Newest 100 of 125
Source
Counted from the Form 4 filings this reporting owner (SEC CIK 1578852) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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