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 $6.55 Million. The most recent transaction as insider was on Sep 12, 2025, when has been sold 24,585 shares (Common Stock) at a price of $61.49 per share, resulting in proceeds of $1,511,731. 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 $6.55 Million

Mark Elliott Boulding Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
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
Feb 19 2025	SELL Open market or private sale	$66,783 $50.1 p/Share	1,333 Reduced 1.25%	105,515 Common Stock
Jan 08 2025	SELL Open market or private sale	$88,911 $44.5 p/Share	1,998 Reduced 1.84%	106,848 Common Stock
Jan 07 2025	SELL Open market or private sale	$69,959 $45.34 p/Share	1,543 Reduced 1.4%	108,846 Common Stock
Jan 03 2025	BUY Grant, award, or other acquisition	-	18,000 Added 14.02%	110,389 Common Stock
Dec 03 2024	SELL Open market or private sale	$551,478 $53.5 p/Share	10,308 Reduced 10.04%	92,389 Common Stock
Dec 03 2024	BUY Exercise of conversion of derivative security	$340,370 $33.02 p/Share	10,308 Added 9.85%	94,377 Common Stock
Dec 02 2024	SELL Open market or private sale	$4,469,176 $52.21 p/Share	85,600 Reduced 48.09%	92,389 Common Stock
Dec 02 2024	BUY Exercise of conversion of derivative security	$4,365,600 $51.0 p/Share	85,600 Added 32.72%	176,029 Common Stock

MEB

Mark Elliott Boulding

EXEC. VP AND CLO

South Plainfield, NJ

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