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PTC Therapeutics, Inc. planned insider sales

In the twelve months since 11 October 2025 insiders at PTC Therapeutics, Inc. filed 90 Form 144 notices of planned sales, 1.7 million shares worth $73.1 million at the time of filing, from 16 sellers. The latest, filed 9 October 2026: Boulding Mark Elliott (officer), 192 shares worth $12,339, planned for around 9 October 2026 through Fidelity Brokerage Services LLC.

FiledSellerRelationshipSharesValuePlanned saleBrokerHow acquiredFiling
9 October 2026Boulding Mark ElliottOfficer192$12,3399 October 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
7 October 2026Section Six Partners, L.P.Affiliate of Director10,000$643,5007 October 2026Merrill LynchAutomatic Conversion of Preferred Stock into Common Stock Upon IPOForm 144
6 October 2026Boulding Mark ElliottOfficer435$27,9086 October 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
5 October 2026Boulding Mark ElliottOfficer1,638$104,8835 October 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
30 September 2026Steele Glenn Jr Md PhdDirector12,000$781,92030 September 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
9 September 2026Section Six Partners, L.P.Affiliate of Director40,000$2.7 million9 September 2026Merrill LynchAutomatic Conversion of Preferred Stock into Common Stock Upon IPOForm 144
19 August 2026Michael SchmertzlerDirector50,000$3.6 million19 August 2026Merrill LynchOpen MarketForm 144
17 August 2026Boulding Mark ElliottOfficer2,813$201,69217 August 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
4 August 2026Klein Matthew B.Officer, Director10,292$705,7544 August 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
14 July 2026Gravier PierreOfficer3,494$280,73314 July 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
9 July 2026Almstead Neil GregoryOfficer2,464$222,3689 July 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
9 July 2026Smith Mary L.Director15,834$1.4 million9 July 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
7 July 2026Almstead Neil GregoryOfficer24,613$2.2 million7 July 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
6 July 2026Boulding Mark ElliottOfficer5,079$427,3226 July 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
6 July 2026Almstead Neil GregoryOfficer22,161$1.9 million6 July 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
26 June 2026Almstead Neil GregoryOfficer8,130$693,14626 June 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
25 June 2026Almstead Neil GregoryOfficer20,960$1.8 million25 June 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
24 June 2026Almstead Neil GregoryOfficer5,323$452,59224 June 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
22 June 2026Almstead Neil GregoryOfficer23,749$1.9 million22 June 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
17 June 2026Boulding Mark ElliottOfficer10,522$827,60717 June 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
17 June 2026Utter Christine MarieOfficer19,686$1.5 million17 June 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
10 June 2026Pauwels EricOfficer21,277$1.6 million10 June 2026Fidelity Brokerage Services LLCRestricted Stock Vesting; Stock Option ExerciseForm 144
15 May 2026Boulding Mark ElliottOfficer2,812$203,72915 May 2026Fidelity Brokerage Services LLCOption Granted - 02/15/2024Form 144
14 May 2026Klein Matthew B.Officer, Director2,572$186,36014 May 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
14 May 2026Klein Matthew B.Officer, Director10,000$730,76914 May 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
8 May 2026Boulding Mark ElliottOfficer3,540$279,5658 May 2026Fidelity Brokerage Services LLCOption Granted - 01/03/2025Form 144
21 April 2026Klein Matthew B.Officer, Director2,850$202,17121 April 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
6 April 2026Boulding Mark ElliottOfficer2,265$157,2836 April 2026Fidelity Brokerage Services LLCOption Granted - 01/05/2023Form 144
2 April 2026Golden Lee ScottOfficer829$56,3662 April 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
1 April 2026Almstead Neil GregoryOfficer52,003$3.6 million1 April 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
12 March 2026Klein Matthew B.Officer, Director2,662$170,57212 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
10 March 2026Okey StephanieDirector15,167$1.1 million10 March 2026Fidelity Brokerage Services LLCOption Granted - 12/14/2018Form 144
5 March 2026Almstead Zheng YangMember of immediate family of any of the foregoing3,989$252,8235 March 2026Fidelity Brokerage Services LLCESPP Purchase; Restricted Stock VestingForm 144
5 March 2026Okey StephanieDirector6,333$401,3865 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
5 March 2026Golden Lee ScottOfficer10,000$633,8005 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
19 February 2026Boulding Mark ElliottOfficer3,019$207,01319 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 February 2026Almstead Zheng YangMember of immediate family of any of the foregoing65$4,50818 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 February 2026Golden Lee ScottOfficer2,484$172,28218 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 February 2026Utter Christine MarieOfficer2,494$172,97518 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 February 2026Gravier PierreOfficer2,992$207,51518 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 February 2026Pauwels EricOfficer3,019$209,38818 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 February 2026Almstead Neil GregoryOfficer3,056$211,95418 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 February 2026Boulding Mark ElliottOfficer3,081$213,68818 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 February 2026Klein Matthew B.Officer, Director7,371$511,22818 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
17 February 2026Boulding Mark ElliottOfficer2,813$194,49117 February 2026Fidelity Brokerage Services LLCOption Granted 02/15/2024Form 144
9 January 2026Boulding Mark ElliottOfficer2,314$180,3149 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
9 January 2026Pauwels EricOfficer2,746$213,8899 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
8 January 2026Almstead Zheng YangMember of immediate family of any of the foregoing59$4,5108 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
8 January 2026Golden Lee ScottOfficer866$66,2058 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
8 January 2026Almstead Neil GregoryOfficer881$67,3528 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
8 January 2026Utter Christine MarieOfficer1,034$79,0488 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
8 January 2026Boulding Mark ElliottOfficer1,286$98,3148 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
8 January 2026Pauwels EricOfficer1,454$111,1578 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
8 January 2026Klein Matthew B.Officer, Director2,514$192,1938 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
8 January 2026Boulding Mark ElliottOfficer2,747$210,4488 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
8 January 2026Pauwels EricOfficer3,148$240,9058 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
7 January 2026Almstead Zheng YangMember of immediate family of any of the foregoing52$4,0297 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
7 January 2026Golden Lee ScottOfficer642$49,7457 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
7 January 2026Almstead Neil GregoryOfficer1,026$79,4987 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
7 January 2026Utter Christine MarieOfficer1,235$95,6927 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
7 January 2026Pauwels EricOfficer1,352$104,7587 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
7 January 2026Boulding Mark ElliottOfficer1,503$116,4587 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
7 January 2026Klein Matthew B.Officer, Director3,016$233,6917 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
7 January 2026Boulding Mark ElliottOfficer3,376$261,3827 January 2026Fidelity Brokerage Services LLCOption Granted 01/07/2022Form 144
6 January 2026Almstead Zheng YangMember of immediate family of any of the foregoing54$4,1556 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
6 January 2026Almstead Neil GregoryOfficer1,279$98,4166 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
6 January 2026Golden Lee ScottOfficer1,340$103,1106 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
6 January 2026Utter Christine MarieOfficer1,381$106,2656 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
6 January 2026Boulding Mark ElliottOfficer1,739$133,8126 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
6 January 2026Pauwels EricOfficer1,789$137,6596 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
6 January 2026Gravier PierreOfficer2,139$164,5916 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
6 January 2026Klein Matthew B.Officer, Director5,149$396,2036 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
5 January 2026Reeve EmmaDirector734$55,7845 January 2026Fidelity Brokerage Services LLCOption Granted 01/03/2025Form 144
5 January 2026Boulding Mark ElliottOfficer2,266$172,2165 January 2026Fidelity Brokerage Services LLCOption Granted - 01/05/2023Form 144
2 January 2026Steele Glenn Jr Md PhdDirector12,000$916,2002 January 2026Fidelity Brokerage Services LLCOptions Granted - 01/04/2016Form 144
30 December 2025Klein Matthew B.Officer, Director8,089$619,92230 December 2025Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
19 December 2025Pauwels EricOfficer20,508$1.6 million19 December 2025Fidelity Brokerage Services LLCOption Granted - 01/03/2018; Option Granted - 01/06/2021Form 144
18 December 2025Pauwels EricOfficer3,202$240,35418 December 2025Fidelity Brokerage Services LLCOption Granted - 01/03/2018; Option Granted - 01/06/2021Form 144
17 December 2025Pauwels EricOfficer40,290$3.0 million17 December 2025Fidelity Brokerage Services LLCOption Granted - 01/03/2018; Option Granted - 01/06/2021Form 144
3 December 2025Reeve EmmaDirector733$57,6283 December 2025Fidelity Brokerage Services LLCOptions Granted - 01/03/2025Form 144
2 December 2025Klein Matthew B.Officer, Director3,428$271,0632 December 2025Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
25 November 2025Jacobson Allan StevenDirector14,199$1.2 million25 November 2025Fidelity Brokerage Services LLCOptions Granted - 01/03/2017; Options Granted - 01/03/2018Form 144
25 November 2025Almstead Neil GregoryOfficer71,928$6.0 million25 November 2025Fidelity Brokerage Services LLCOption Granted - 01/03/2018; Option Granted - 01/22/2019Form 144
24 November 2025Jacobson Allan StevenDirector11,801$945,75324 November 2025Fidelity Brokerage Services LLCOption Granted - 01/03/2017; Option Granted - 01/03/2018Form 144
24 November 2025Almstead Neil GregoryOfficer35,572$2.9 million24 November 2025Fidelity Brokerage Services LLCOption Granted - 01/03/2018; Option Granted - 01/22/2019Form 144
21 November 2025Reeve EmmaDirector10,000$795,00021 November 2025Fidelity Brokerage Services LLCOption Granted - 01/29/2020Form 144
17 November 2025Boulding Mark ElliottOfficer2,812$210,92817 November 2025Fidelity Brokerage Services LLCOption Granted - 02/15/2024Form 144
12 November 2025Reeve EmmaDirector7,333$546,30812 November 2025Fidelity Brokerage Services LLCOptions Granted - 01/03/2025Form 144
12 November 2025PTC Therapeutics, Inc.Affiliate of director894,578$14.8 million12 November 2025Cantor Fitzgerald & Co.Private placement; Public offeringForm 144
30 October 2025Reeve EmmaDirector15,666$1.1 million30 October 2025Fidelity Brokerage Services LLCOption Granted 01/07/2022; Restricted Stock VestingForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.

Source

Form 144 filings on EDGAR for PTC Therapeutics, Inc.: the company's filing index, each notice read from its own XML.

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