Boulding Mark Elliott — Insider Trades & Holdings | InsiderBid

Boulding Mark Elliott

Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗

Lifetime net: -$9.1M

Positions by company

Reported holding is the most recent post-transaction share count on a Table I row.

Every company this insider has reported trading in, with the value bought and sold at each and the date they last traded.
Ticker	Company	Bought	Sold	Net	Shares held	Last trade
PTCT	Ptc Therapeutics, INC.	$0	$9.1M	-$9.1M	105,272	Aug 17

Ptc Therapeutics, INC.

-$9.1M

Bought

$0

Sold

$9.1M

Held

105,272

Filing record

How quickly this filer reports. Section 16 allows two business days from the transaction.

All 17 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Trade history

The 131 most recent Form 4 transactions.

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Ticker	Company	Type	Shares	Price	Value	Δ Own	Filing
Aug 17	PTCT	Ptc Therapeutics, INC.	MEXER◷◆	2,813	—	—	—	Open the original filing on SEC.gov
Aug 17	PTCT	Ptc Therapeutics, INC.	SSELL◷	969	$72.90

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Aug 17

2,813 sh

PTCTSSELL◷$70.6K

Ptc Therapeutics, INC.Aug 17

969 sh @ $72.90 · -0.9% own

PTCTSSELL◷$133.5K

Ptc Therapeutics, INC.Aug 17

1,844 sh @ $72.39 · -1.7% own

PTCTMEXER◷$72.3K

Ptc Therapeutics, INC.Aug 17

2,813 sh @ $25.69 · +2.7% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Jul 6

2,813 sh

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Jul 6

2,226 sh

PTCTSSELL◷$64.4K

Ptc Therapeutics, INC.Jul 6

745 sh @ $86.38 · -0.7% own

PTCTSSELL◷$55.4K

Ptc Therapeutics, INC.Jul 6

645 sh @ $85.84 · -0.6% own

PTCTSSELL◷$87.4K

Ptc Therapeutics, INC.Jul 6

1,036 sh @ $84.41 · -1.0% own

PTCTSSELL◷$32.2K

Ptc Therapeutics, INC.Jul 6

387 sh @ $83.10 · -0.4% own

PTCTMEXER◷$130.9K

Ptc Therapeutics, INC.Jul 6

2,813 sh @ $46.54 · +2.7% own

PTCTSSELL◷$51.9K

Ptc Therapeutics, INC.Jul 6

601 sh @ $86.38 · -0.6% own

PTCTSSELL◷$44.6K

Ptc Therapeutics, INC.Jul 6

519 sh @ $85.84 · -0.5% own

PTCTSSELL◷$70.3K

Ptc Therapeutics, INC.Jul 6

833 sh @ $84.41 · -0.8% own

PTCTSSELL◷$26K

Ptc Therapeutics, INC.Jul 6

313 sh @ $83.10 · -0.3% own

PTCTMEXER◷$89.3K

Ptc Therapeutics, INC.Jul 6

2,266 sh @ $39.42 · +2.1% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Jun 17

2,012 sh

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Jun 17

8,510 sh

PTCTSSELL◷$24.5K

Ptc Therapeutics, INC.Jun 17

309 sh @ $79.25 · -0.3% own

PTCTSSELL◷$133.7K

Ptc Therapeutics, INC.Jun 17

1,703 sh @ $78.50 · -1.6% own

PTCTMEXER◷$93.6K

Ptc Therapeutics, INC.Jun 17

2,012 sh @ $46.54 · +1.9% own

PTCTSSELL◷$146.6K

Ptc Therapeutics, INC.Jun 17

1,850 sh @ $79.24 · -1.7% own

PTCTSSELL◷$518.1K

Ptc Therapeutics, INC.Jun 17

6,600 sh @ $78.50 · -5.8% own

PTCTMEXER◷$396.1K

Ptc Therapeutics, INC.Jun 17

8,510 sh @ $46.54 · +8.1% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.May 15

2,812 sh

PTCTSSELL◷$33.1K

Ptc Therapeutics, INC.May 15

456 sh @ $72.67 · -0.4% own

PTCTSSELL◷$169.8K

Ptc Therapeutics, INC.May 15

2,356 sh @ $72.08 · -2.2% own

PTCTMEXER◷$72.2K

Ptc Therapeutics, INC.May 15

2,812 sh @ $25.69 · +2.7% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.May 8

800 sh

PTCTMEXER◷◆—

Ptc Therapeutics, INC.May 8

2,740 sh

PTCTSSELL◷$47.6K

Ptc Therapeutics, INC.May 8

600 sh @ $79.28 · -0.6% own

PTCTSSELL◷$15.6K

Ptc Therapeutics, INC.May 8

200 sh @ $78.00 · -0.2% own

PTCTMEXER◷$37.2K

Ptc Therapeutics, INC.May 8

800 sh @ $46.54 · +0.8% own

PTCTSSELL◷$150.7K

Ptc Therapeutics, INC.May 8

1,900 sh @ $79.31 · -1.8% own

PTCTSSELL◷$65.7K

Ptc Therapeutics, INC.May 8

840 sh @ $78.23 · -0.8% own

PTCTMEXER◷$127.5K

Ptc Therapeutics, INC.May 8

2,740 sh @ $46.54 · +2.6% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Apr 6

2,265 sh

PTCTSSELL◷$100.6K

Ptc Therapeutics, INC.Apr 6

1,443 sh @ $69.75 · -1.4% own

PTCTSSELL◷$56.6K

Ptc Therapeutics, INC.Apr 6

822 sh @ $68.91 · -0.8% own

PTCTMEXER◷$89.3K

Ptc Therapeutics, INC.Apr 6

2,265 sh @ $39.42 · +2.1% own

PTCTSSELL◷$41.2K

Ptc Therapeutics, INC.Feb 19

590 sh @ $69.82 · -0.6% own

PTCTSSELL◷$14.5K

Ptc Therapeutics, INC.Feb 19

212 sh @ $68.54 · -0.2% own

PTCTSSELL◷$113.7K

Ptc Therapeutics, INC.Feb 19

1,629 sh @ $69.82 · -1.5% own

PTCTSSELL◷$40.3K

Ptc Therapeutics, INC.Feb 19

588 sh @ $68.54 · -0.5% own

PTCTSSELL◷$213.7K

Ptc Therapeutics, INC.Feb 18

3,081 sh @ $69.36 · -2.8% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Feb 17

2,813 sh

PTCTSSELL◷$140

Ptc Therapeutics, INC.Feb 17

2 sh @ $70.13 · 0.0% own

PTCTSSELL◷$194.8K

Ptc Therapeutics, INC.Feb 17

2,811 sh @ $69.29 · -2.5% own

PTCTMEXER◷$72.3K

Ptc Therapeutics, INC.Feb 17

2,813 sh @ $25.69 · +2.5% own

PTCTSSELL◷$8.5K

Ptc Therapeutics, INC.Jan 9

107 sh @ $79.52 · -0.1% own

PTCTSSELL◷$54K

Ptc Therapeutics, INC.Jan 9

686 sh @ $78.71 · -0.6% own

PTCTSSELL◷$117.8K

Ptc Therapeutics, INC.Jan 9

1,521 sh @ $77.46 · -1.3% own

PTCTSSELL◷$98.3K

Ptc Therapeutics, INC.Jan 8

1,286 sh @ $76.45 · -1.1% own

PTCTSSELL◷$20.4K

Ptc Therapeutics, INC.Jan 8

265 sh @ $77.07 · -0.2% own

PTCTSSELL◷$190K

Ptc Therapeutics, INC.Jan 8

2,482 sh @ $76.56 · -2.1% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Jan 7

751 sh

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Jan 7

2,625 sh

PTCTSSELL◷$869

Ptc Therapeutics, INC.Jan 7

11 sh @ $78.98 · <0.1% own

PTCTSSELL◷$21K

Ptc Therapeutics, INC.Jan 7

269 sh @ $77.92 · -0.2% own

PTCTSSELL◷$36.3K

Ptc Therapeutics, INC.Jan 7

471 sh @ $77.10 · -0.4% own

PTCTMEXER◷$28.6K

Ptc Therapeutics, INC.Jan 7

751 sh @ $38.10 · +0.6% own

PTCTSSELL◷$3K

Ptc Therapeutics, INC.Jan 7

38 sh @ $78.60 · <0.1% own

PTCTSSELL◷$73.9K

Ptc Therapeutics, INC.Jan 7

949 sh @ $77.91 · -0.8% own

PTCTSSELL◷$126.3K

Ptc Therapeutics, INC.Jan 7

1,638 sh @ $77.11 · -1.4% own

PTCTMEXER◷$100K

Ptc Therapeutics, INC.Jan 7

2,625 sh @ $38.10 · +2.2% own

PTCTSSELL◷$116.5K

Ptc Therapeutics, INC.Jan 7

1,503 sh @ $77.48 · -1.3% own

PTCTSSELL◷$133.8K

Ptc Therapeutics, INC.Jan 6

1,739 sh @ $76.95 · -1.4% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Jan 5

2,266 sh

PTCTSSELL◷$8.3K

Ptc Therapeutics, INC.Jan 5

108 sh @ $76.79 · <0.1% own

PTCTSSELL◷$78.8K

Ptc Therapeutics, INC.Jan 5

1,035 sh @ $76.10 · -0.9% own

PTCTSSELL◷$84.1K

Ptc Therapeutics, INC.Jan 5

1,123 sh @ $74.92 · -0.9% own

PTCTMEXER◷$89.3K

Ptc Therapeutics, INC.Jan 5

2,266 sh @ $39.42 · +1.9% own

PTCTAGRANT◷◆—

Ptc Therapeutics, INC.Jan 2

42,500 sh

PTCTAGRANT◷—

Ptc Therapeutics, INC.Jan 2

17,000 sh · +16.4% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Nov 17, 2025

2,812 sh

PTCTSSELL◷$14.8K

Ptc Therapeutics, INC.Nov 17, 2025

192 sh @ $77.18 · -0.2% own

PTCTSSELL◷$59.5K

Ptc Therapeutics, INC.Nov 17, 2025

777 sh @ $76.53 · -0.7% own

PTCTSSELL◷$139.4K

Ptc Therapeutics, INC.Nov 17, 2025

1,843 sh @ $75.64 · -1.7% own

PTCTMEXER◷$72.2K

Ptc Therapeutics, INC.Nov 17, 2025

2,812 sh @ $25.69 · +2.7% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Oct 7, 2025

3,375 sh

PTCTSSELL◷$20.3K

Ptc Therapeutics, INC.Oct 7, 2025

312 sh @ $64.97 · -0.3% own

PTCTSSELL◷$83.3K

Ptc Therapeutics, INC.Oct 7, 2025

1,306 sh @ $63.80 · -1.2% own

PTCTSSELL◷$110.5K

Ptc Therapeutics, INC.Oct 7, 2025

1,757 sh @ $62.89 · -1.6% own

PTCTMEXER◷$128.6K

Ptc Therapeutics, INC.Oct 7, 2025

3,375 sh @ $38.10 · +3.3% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Oct 6, 2025

2,266 sh

PTCTSSELL◷$147.4K

Ptc Therapeutics, INC.Oct 6, 2025

2,266 sh @ $65.07 · -2.1% own

PTCTMEXER◷$89.3K

Ptc Therapeutics, INC.Oct 6, 2025

2,266 sh @ $39.42 · +2.2% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Oct 3, 2025

2,265 sh

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Oct 3, 2025

2,266 sh

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Oct 3, 2025

18,124 sh

PTCTSSELL◷$58.5K

Ptc Therapeutics, INC.Oct 3, 2025

877 sh @ $66.67 · -0.8% own

PTCTSSELL◷$55.1K

Ptc Therapeutics, INC.Oct 3, 2025

838 sh @ $65.72 · -0.8% own

PTCTSSELL◷$35.4K

Ptc Therapeutics, INC.Oct 3, 2025

550 sh @ $64.44 · -0.5% own

PTCTMEXER◷$89.3K

Ptc Therapeutics, INC.Oct 3, 2025

2,265 sh @ $39.42 · +2.2% own

PTCTSSELL◷$60.4K

Ptc Therapeutics, INC.Oct 3, 2025

906 sh @ $66.63 · -0.9% own

PTCTSSELL◷$54.2K

Ptc Therapeutics, INC.Oct 3, 2025

824 sh @ $65.73 · -0.8% own

PTCTSSELL◷$34.5K

Ptc Therapeutics, INC.Oct 3, 2025

536 sh @ $64.43 · -0.5% own

PTCTMEXER◷$89.3K

Ptc Therapeutics, INC.Oct 3, 2025

2,266 sh @ $39.42 · +2.2% own

PTCTSSELL◷$100.7K

Ptc Therapeutics, INC.Oct 3, 2025

1,500 sh @ $67.15 · -1.4% own

PTCTSSELL◷$491.7K

Ptc Therapeutics, INC.Oct 3, 2025

7,400 sh @ $66.44 · -6.6% own

PTCTSSELL◷$400.9K

Ptc Therapeutics, INC.Oct 3, 2025

6,124 sh @ $65.47 · -5.1% own

PTCTSSELL◷$199.7K

Ptc Therapeutics, INC.Oct 3, 2025

3,100 sh @ $64.43 · -2.5% own

PTCTMEXER◷$714.4K

Ptc Therapeutics, INC.Oct 3, 2025

18,124 sh @ $39.42 · +17.4% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Sep 12, 2025

905 sh

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Sep 12, 2025

1,019 sh

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Sep 12, 2025

22,661 sh

PTCTSSELL◷$55.4K

Ptc Therapeutics, INC.Sep 12, 2025

905 sh @ $61.21 · -0.9% own

PTCTMEXER◷$34.5K

Ptc Therapeutics, INC.Sep 12, 2025

905 sh @ $38.10 · +0.9% own

PTCTSSELL◷$62.5K

Ptc Therapeutics, INC.Sep 12, 2025

1,019 sh @ $61.31 · -1.0% own

PTCTMEXER◷$38.8K

Ptc Therapeutics, INC.Sep 12, 2025

1,019 sh @ $38.10 · +1.0% own

PTCTSSELL◷$33.8K

Ptc Therapeutics, INC.Sep 12, 2025

544 sh @ $62.09 · -0.5% own

PTCTSSELL◷$1.4M

Ptc Therapeutics, INC.Sep 12, 2025

22,117 sh @ $61.33 · -17.5% own

PTCTMEXER◷$863.4K

Ptc Therapeutics, INC.Sep 12, 2025

22,661 sh @ $38.10 · +21.8% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Sep 11, 2025

2,470 sh

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Sep 11, 2025

2,356 sh

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Sep 11, 2025

17,838 sh

PTCTSSELL◷$150.7K

Ptc Therapeutics, INC.Sep 11, 2025

2,470 sh @ $61.00 · -2.3% own

PTCTMEXER◷$94.1K

Ptc Therapeutics, INC.Sep 11, 2025

2,470 sh @ $38.10 · +2.4% own

PTCTSSELL◷$143.7K

Ptc Therapeutics, INC.Sep 11, 2025

2,356 sh @ $61.00 · -2.2% own

PTCTMEXER◷$89.8K

Ptc Therapeutics, INC.Sep 11, 2025

2,356 sh @ $38.10 · +2.3% own

PTCTSSELL◷$1.1M

Ptc Therapeutics, INC.Sep 11, 2025

17,838 sh @ $61.00 · -14.6% own

PTCTMEXER◷$679.6K

Ptc Therapeutics, INC.Sep 11, 2025

17,838 sh @ $38.10 · +17.2% own

PTCTMEXER◷◆—

Ptc Therapeutics, INC.Aug 15, 2025

2,813 sh

PTCTSSELL◷$136.7K

Ptc Therapeutics, INC.Aug 15, 2025

2,813 sh @ $48.58 · -2.6% own

PTCTMEXER◷$72.3K

Ptc Therapeutics, INC.Aug 15, 2025

2,813 sh @ $25.69 · +2.7% own

PTCTMEXER◷?◆—

Ptc Therapeutics, INC.May 16, 2025

883 sh

PTCTSSELL◷?$40.6K

Ptc Therapeutics, INC.May 16, 2025

883 sh @ $46.02 · -0.8% own

PTCTMEXER◷?$22.7K

Ptc Therapeutics, INC.May 16, 2025

883 sh @ $25.69 · +0.9% own

PTCTMEXER◷?◆—

Ptc Therapeutics, INC.May 15, 2025

1,929 sh

PTCTSSELL◷?$89.1K

Ptc Therapeutics, INC.May 15, 2025

1,929 sh @ $46.18 · -1.8% own

PTCTMEXER◷?$49.6K

Ptc Therapeutics, INC.May 15, 2025

1,929 sh @ $25.69 · +1.9% own