Mark Elliott Boulding Ptc Therapeutics, Inc. (PTCT) insider trading activity

Mark Elliott Boulding is EXEC. VP AND CLO of PTC THERAPEUTICS, INC.. Currently has a direct ownership of 103,901 shares of PTCT, which is worth approximately $7.82 Million. The most recent transaction as insider was on Nov 17, 2025, when has been sold 2,812 shares (Common Stock) at a price of $76.45 per share, resulting in proceeds of $214,977. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 104K

0% 3M change

12.46% 12M change

Total Value Held $7.82 Million

Mark Elliott Boulding Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 17 2025	SELL Open market or private sale	$214,977 $76.45 p/Share	2,812 Reduced 2.64%	103,901 Common Stock
Nov 17 2025	BUY Exercise of conversion of derivative security	$72,240 $25.69 p/Share	2,812 Added 2.57%	106,713 Common Stock
Oct 07 2025	SELL Open market or private sale	$215,628 $63.89 p/Share	3,375 Reduced 3.15%	103,901 Common Stock
Oct 07 2025	BUY Exercise of conversion of derivative security	$128,587 $38.1 p/Share	3,375 Added 3.05%	107,276 Common Stock
Oct 06 2025	SELL Open market or private sale	$147,448 $65.07 p/Share	2,266 Reduced 2.13%	103,901 Common Stock
Oct 06 2025	BUY Exercise of conversion of derivative security	$89,325 $39.42 p/Share	2,266 Added 2.09%	106,167 Common Stock
Oct 03 2025	SELL Open market or private sale	$1,488,660 $65.71 p/Share	22,655 Reduced 17.9%	103,901 Common Stock

Oct 03 2025	BUY Exercise of conversion of derivative security	$893,060 $39.42 p/Share	22,655 Added 17.59%	106,166 Common Stock
Sep 12 2025	SELL Open market or private sale	$1,511,731 $61.49 p/Share	24,585 Reduced 19.13%	103,901 Common Stock
Sep 12 2025	BUY Exercise of conversion of derivative security	$936,688 $38.1 p/Share	24,585 Added 19.0%	104,806 Common Stock
Sep 11 2025	SELL Open market or private sale	$1,382,504 $61.0 p/Share	22,664 Reduced 17.91%	103,901 Common Stock
Sep 11 2025	BUY Exercise of conversion of derivative security	$863,498 $38.1 p/Share	22,664 Added 17.56%	106,371 Common Stock
Aug 15 2025	SELL Open market or private sale	$136,655 $48.58 p/Share	2,813 Reduced 2.64%	103,901 Common Stock
Aug 15 2025	BUY Exercise of conversion of derivative security	$72,265 $25.69 p/Share	2,813 Added 2.57%	106,714 Common Stock
May 16 2025	SELL Open market or private sale	$40,635 $46.02 p/Share	883 Reduced 0.84%	103,901 Common Stock
May 16 2025	BUY Exercise of conversion of derivative security	$22,684 $25.69 p/Share	883 Added 0.84%	104,784 Common Stock
May 15 2025	SELL Open market or private sale	$89,081 $46.18 p/Share	1,929 Reduced 1.82%	103,901 Common Stock
May 15 2025	BUY Exercise of conversion of derivative security	$49,556 $25.69 p/Share	1,929 Added 1.79%	105,830 Common Stock
Mar 12 2025	SELL Open market or private sale	$826,803 $53.27 p/Share	15,521 Reduced 13.0%	103,901 Common Stock
Mar 12 2025	BUY Exercise of conversion of derivative security	$512,503 $33.02 p/Share	15,521 Added 12.74%	106,296 Common Stock
Mar 11 2025	SELL Open market or private sale	$391,266 $53.01 p/Share	7,381 Reduced 6.63%	103,901 Common Stock
Mar 11 2025	BUY Exercise of conversion of derivative security	$243,720 $33.02 p/Share	7,381 Added 6.53%	105,620 Common Stock
Mar 10 2025	SELL Open market or private sale	$3,598,582 $52.89 p/Share	68,039 Reduced 39.57%	103,901 Common Stock
Mar 10 2025	BUY Exercise of conversion of derivative security	$2,080,632 $30.58 p/Share	68,039 Added 37.14%	115,150 Common Stock
Feb 20 2025	SELL Open market or private sale	$80,893 $50.12 p/Share	1,614 Reduced 1.53%	103,901 Common Stock

MEB

Mark Elliott Boulding

EXEC. VP AND CLO

South Plainfield, NJ

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