Insider Transactions Reported by 20 Insiders of PTC THERAPEUTICS, INC.

Symbol
PTCT on Nasdaq
Location
Warren, NJ

Insiders trading volume in the past year

PTC THERAPEUTICS, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Matthew B. Klein CHIEF EXECUTIVE OFFICER, Director $30,168,383 -$3,087,209 -9.3% 11 Mar 2026
Michael Schmertzler Director $12,877,765 02 Jan 2026
Stuart Walter Peltz CHIEF EXECUTIVE OFFICER, Director $10,876,127 31 Jan 2023
Neil Gregory Almstead Chief Technical Ops Officer $9,548,125 -$13,214,196 -58% 05 Mar 2026
Pierre Gravier Chief Financial Officer $7,577,939 -$496,563 -6.1% 18 Feb 2026
Mark Elliott Boulding Exec. Vp And Clo $7,345,901 -$7,013,575 -49% 19 Feb 2026
Eric Pauwels Chief Business Officer $6,836,931 -$8,149,759 -54% 18 Feb 2026
Lee Scott Golden Evp & Chief Medical Officer $6,419,350 -$1,067,265 -14% 05 Mar 2026
Christine Marie Utter Svp, Chief Accounting Officer $5,815,752 -$453,952 -7.2% 18 Feb 2026
Jerome B. Zeldis Director $1,947,140 02 Jan 2026
Glenn Jr. MD Steele PhD Director $1,947,140 -$916,200 -32% 02 Jan 2026
Mary L. Smith Director $1,894,955 02 Jan 2026
Allan Steven Jacobson Director $1,867,457 -$2,995,618 -62% 02 Jan 2026
Alethia Young Director $1,838,289 02 Jan 2026
David P. Southwell Director $1,821,806 -$700,080 -28% 02 Jan 2026
Emily Luisa Hill Chief Financial Officer $1,065,782 27 Mar 2023
Emma Reeve Director $1,048,656 -$5,163,979 -83% 02 Jan 2026
Stephanie Okey Director $798,040 -$1,463,076 -65% 10 Mar 2026
Dawn Svoronos Director $794,497 09 Jun 2022
William F. Bell Jr. Director $552,083 15 Feb 2024

Recent Insider Transactions by Companies or Individuals for PTC THERAPEUTICS, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Matthew B. Klein PTCT Common Stock Sale -0.67% $170,581 $64.08 -2,662 396,920 12 Mar 2026 Direct
Matthew B. Klein PTCT Common Stock Award 3.23% 12,500 399,582 11 Mar 2026 Direct
Stephanie Okey PTCT Common Stock Sale -65.5% $1,061,690 $70.00 -15,167 8,000 10 Mar 2026 Direct
Stephanie Okey PTCT Common Stock Options Exercise 222% 15,167 22,000 10 Mar 2026 Direct
Stephanie Okey PTCT Stock Option (Right to Buy) Options Exercise -100% -15,167 0 10 Mar 2026 Direct
Stephanie Okey PTCT Common Stock Sale -44.2% $401,386 $63.38 -6,333 8,000 05 Mar 2026 Direct
Lee Scott Golden PTCT Common Stock Sale -11.1% $633,800 $63.38 -10,000 79,944 05 Mar 2026 Direct
Neil Gregory Almstead PTCT Common Stock Sale -59.3% $252,823 $63.38 -3,989 2,737 05 Mar 2026 By Spouse
Mark Elliott Boulding PTCT Common Stock Sale -2.79% $209,763 $69.48 -3,019 105,212 19 Feb 2026 Direct
Christine Marie Utter PTCT Common Stock Sale -3.43% $172,984 $69.36 -2,494 70,199 18 Feb 2026 Direct
Pierre Gravier PTCT Common Stock Sale -3.31% $207,525 $69.36 -2,992 87,318 18 Feb 2026 Direct
Eric Pauwels PTCT Common Stock Sale -3.77% $209,398 $69.36 -3,019 77,122 18 Feb 2026 Direct
Matthew B. Klein PTCT Common Stock Sale -1.87% $511,253 $69.36 -7,371 387,082 18 Feb 2026 Direct
Lee Scott Golden PTCT Common Stock Sale -2.69% $172,290 $69.36 -2,484 89,944 18 Feb 2026 Direct
Neil Gregory Almstead PTCT Common Stock Sale -0.96% $4,508 $69.36 -65 6,726 18 Feb 2026 By Spouse
Neil Gregory Almstead PTCT Common Stock Sale -2.65% $211,964 $69.36 -3,056 112,140 18 Feb 2026 Direct
Mark Elliott Boulding PTCT Common Stock Sale -2.77% $213,698 $69.36 -3,081 108,231 18 Feb 2026 Direct
Mark Elliott Boulding PTCT Common Stock Sale -2.46% $194,914 $69.29 -2,813 111,312 17 Feb 2026 Direct
Mark Elliott Boulding PTCT Common Stock Options Exercise 2.53% 2,813 114,125 17 Feb 2026 Direct
Mark Elliott Boulding PTCT Stock Option (Right to Buy) Options Exercise -11.1% -2,813 22,501 17 Feb 2026 Direct
Eric Pauwels PTCT Common Stock Sale -1.26% $80,589 $78.70 -1,024 80,141 12 Jan 2026 Direct
Eric Pauwels PTCT Common Stock Sale -2.08% $133,300 $77.41 -1,722 81,165 09 Jan 2026 Direct
Mark Elliott Boulding PTCT Common Stock Sale -2.04% $180,320 $77.93 -2,314 111,312 09 Jan 2026 Direct
Christine Marie Utter PTCT Common Stock Sale -1.4% $79,049 $76.45 -1,034 72,693 08 Jan 2026 Direct
Eric Pauwels PTCT Common Stock Sale -5.26% $352,057 $76.50 -4,602 82,887 08 Jan 2026 Direct
Matthew B. Klein PTCT Common Stock Sale -0.63% $192,195 $76.45 -2,514 394,453 08 Jan 2026 Direct
Lee Scott Golden PTCT Common Stock Sale -0.93% $66,206 $76.45 -866 92,428 08 Jan 2026 Direct
Mark Elliott Boulding PTCT Common Stock Sale -3.43% $308,760 $76.56 -4,033 113,626 08 Jan 2026 Direct
Neil Gregory Almstead PTCT Common Stock Sale -0.86% $4,511 $76.45 -59 6,791 08 Jan 2026 By Spouse
Neil Gregory Almstead PTCT Common Stock Sale -0.76% $67,352 $76.45 -881 115,196 08 Jan 2026 Direct
Christine Marie Utter PTCT Common Stock Sale -1.65% $95,651 $77.45 -1,235 73,727 07 Jan 2026 Direct
Eric Pauwels PTCT Common Stock Sale -1.52% $104,753 $77.48 -1,352 87,489 07 Jan 2026 Direct
Matthew B. Klein PTCT Common Stock Sale -0.75% $233,680 $77.48 -3,016 396,967 07 Jan 2026 Direct
Lee Scott Golden PTCT Common Stock Sale -0.68% $49,742 $77.48 -642 93,294 07 Jan 2026 Direct
Mark Elliott Boulding PTCT Common Stock Options Exercise 2.89% 3,376 120,284 07 Jan 2026 Direct
Mark Elliott Boulding PTCT Common Stock Sale -3.98% $377,825 $77.44 -4,879 117,659 07 Jan 2026 Direct
Mark Elliott Boulding PTCT Stock Option (Right to Buy) Options Exercise -100% -3,376 0 07 Jan 2026 Direct
Neil Gregory Almstead PTCT Common Stock Sale -0.75% $4,029 $77.48 -52 6,850 07 Jan 2026 By Spouse
Neil Gregory Almstead PTCT Common Stock Sale -0.88% $79,494 $77.48 -1,026 116,077 07 Jan 2026 Direct
Christine Marie Utter PTCT Common Stock Sale -1.81% $106,268 $76.95 -1,381 74,962 06 Jan 2026 Direct
Pierre Gravier PTCT Common Stock Sale -2.31% $164,596 $76.95 -2,139 90,310 06 Jan 2026 Direct
Eric Pauwels PTCT Common Stock Sale -1.97% $137,664 $76.95 -1,789 88,841 06 Jan 2026 Direct
Matthew B. Klein PTCT Common Stock Sale -1.27% $396,216 $76.95 -5,149 399,983 06 Jan 2026 Direct
Lee Scott Golden PTCT Common Stock Sale -1.41% $103,113 $76.95 -1,340 93,936 06 Jan 2026 Direct
Mark Elliott Boulding PTCT Common Stock Sale -1.44% $133,816 $76.95 -1,739 119,162 06 Jan 2026 Direct
Neil Gregory Almstead PTCT Common Stock Sale -0.78% $4,155 $76.95 -54 6,902 06 Jan 2026 By Spouse
Neil Gregory Almstead PTCT Common Stock Sale -1.08% $98,419 $76.95 -1,279 117,103 06 Jan 2026 Direct
Mark Elliott Boulding PTCT Common Stock Sale -1.84% $171,192 $75.55 -2,266 120,901 05 Jan 2026 Direct
Mark Elliott Boulding PTCT Common Stock Options Exercise 1.87% 2,266 123,167 05 Jan 2026 Direct
Mark Elliott Boulding PTCT Stock Option (Right to Buy) Options Exercise -20% -2,266 9,063 05 Jan 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.