PTCTNasdaq

PTC THERAPEUTICS, INC.

Alert me on PTCT

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Oct 17 Sale SCHMERTZLER MICHAEL Insider

1 week

Result in1 trading day

1 month

Result in17 trading days

3 months

Result in59 trading days

6 months

Result in122 trading days

Oct 14 Sale Boulding Mark Elliott Insider

1 week

+4.9%S&P +0.5%

1 month

Result in14 trading days

3 months

Result in56 trading days

6 months

Result in119 trading days

Oct 10 Sale SCHMERTZLER MICHAEL Insider

1 week

−2.2%S&P −1.5%

1 month

Result in12 trading days

3 months

Result in54 trading days

6 months

Result in117 trading days

Oct 8 Sale Boulding Mark Elliott Insider

1 week

−2.5%S&P −0.3%

1 month

Result in10 trading days

3 months

Result in52 trading days

6 months

Result in115 trading days

Oct 3 Sale STEELE GLENN JR MD PHD Insider

1 week

−1.1%S&P +0.4%

1 month

Result in7 trading days

3 months

Result in49 trading days

6 months

Result in112 trading days

Show all 80

Sep 19 Sale SCHMERTZLER MICHAEL Insider

1 week

+1.1%S&P −1.0%

1 month

−3.6%S&P −0.6%

3 months

Result in39 trading days

6 months

Result in102 trading days

Sep 12 Sale SCHMERTZLER MICHAEL Insider

1 week

−1.8%S&P +1.9%

1 month

−9.9%S&P +2.5%

3 months

Result in34 trading days

6 months

Result in97 trading days

Aug 29 Sale SCHMERTZLER MICHAEL Insider

1 week

−1.0%S&P −0.1%

1 month

−6.8%S&P −0.3%

3 months

Result in25 trading days

6 months

Result in88 trading days

Aug 22 Sale SCHMERTZLER MICHAEL Insider

1 week

−2.1%S&P +0.5%

1 month

−12.3%S&P +0.8%

3 months

Result in20 trading days

6 months

Result in83 trading days

Aug 20 Sale Boulding Mark Elliott Insider

1 week

+1.8%S&P +1.1%

1 month

−7.5%S&P +1.7%

3 months

Result in18 trading days

6 months

Result in81 trading days

Aug 7 Sale Klein Matthew B. Insider

1 week

−2.2%S&P +0.4%

1 month

−6.1%S&P −0.9%

3 months

Result in9 trading days

6 months

Result in72 trading days

Jul 17 Sale Gravier Pierre Insider

1 week

−2.3%S&P −0.6%

1 month

−7.3%S&P +4.0%

3 months

−22.4%S&P +4.1%

6 months

Result in57 trading days

Jul 14 Sale Almstead Neil Gregory Insider

1 week

+0.6%S&P −0.5%

1 month

−6.9%S&P +2.7%

3 months

−19.4%S&P +3.8%

6 months

Result in54 trading days

Jul 14 Sale Smith Mary L. Insider

1 week

+0.6%S&P −0.5%

1 month

−6.9%S&P +2.7%

3 months

−19.4%S&P +3.8%

6 months

Result in54 trading days

Jul 9 Sale Almstead Neil Gregory Insider

1 week

−12.3%S&P −0.1%

1 month

−18.1%S&P +2.9%

3 months

−29.4%S&P +3.6%

6 months

Result in51 trading days

Jul 9 Sale Boulding Mark Elliott Insider

1 week

−12.3%S&P −0.1%

1 month

−18.1%S&P +2.9%

3 months

−29.4%S&P +3.6%

6 months

Result in51 trading days

Jul 1 Sale Almstead Neil Gregory Insider

1 week

+10.1%S&P +0.8%

1 month

−16.4%S&P +0.2%

3 months

−20.4%S&P +2.5%

6 months

Result in46 trading days

Jun 27 Sale Almstead Neil Gregory Insider

1 week

+9.4%S&P +0.9%

1 month

−8.7%S&P −1.6%

3 months

−19.1%S&P +3.6%

6 months

Result in44 trading days

Jun 25 Sale Almstead Neil Gregory Insider

1 week

−1.4%S&P +1.4%

1 month

−10.3%S&P +0.7%

3 months

−26.3%S&P +4.7%

6 months

Result in42 trading days

Jun 23 Sale Boulding Mark Elliott Insider

1 week

−0.7%S&P +1.8%

1 month

−4.5%S&P +0.6%

3 months

−19.7%S&P +5.7%

6 months

Result in40 trading days

Jun 23 Sale Utter Christine Marie Insider

1 week

−0.7%S&P +1.8%

1 month

−4.5%S&P +0.6%

3 months

−19.7%S&P +5.7%

6 months

Result in40 trading days

Jun 13 Sale Pauwels Eric Insider

1 week

+7.0%S&P −2.6%

1 month

+2.3%S&P −0.3%

3 months

−14.5%S&P +0.6%

6 months

Result in35 trading days

May 20 Sale Boulding Mark Elliott Insider

1 week

0.0%S&P +1.8%

1 month

+14.0%S&P +0.7%

3 months

−0.7%S&P +3.1%

6 months

Result in18 trading days

May 16 Sale Klein Matthew B. Insider

1 week

−3.6%S&P +1.6%

1 month

+11.9%S&P +0.3%

3 months

+3.5%S&P +4.2%

6 months

Result in16 trading days

May 13 Sale Boulding Mark Elliott Insider

1 week

−3.3%S&P −0.1%

1 month

+2.3%S&P −0.1%

3 months

−2.0%S&P +5.1%

6 months

Result in13 trading days

Apr 24 Sale Klein Matthew B. Insider

1 week

−4.5%S&P +0.9%

1 month

−0.9%S&P +5.1%

3 months

+11.1%S&P +3.8%

6 months

−11.2%S&P +7.0%

Apr 9 Sale Boulding Mark Elliott Insider

1 week

+1.2%S&P +3.2%

1 month

+4.0%S&P +8.5%

3 months

+19.8%S&P +11.3%

6 months

−11.7%S&P +14.4%

Apr 7 Sale Golden Lee Scott Insider

1 week

+4.9%S&P +5.3%

1 month

−4.3%S&P +11.3%

3 months

+27.3%S&P +13.4%

6 months

−8.5%S&P +18.8%

Apr 4 Sale Almstead Neil Gregory Insider

1 week

+2.2%S&P +4.1%

1 month

−5.6%S&P +9.8%

3 months

+29.5%S&P +13.8%

6 months

−7.6%S&P +18.2%

Mar 14 Sale Klein Matthew B. Insider

1 week

−0.4%S&P −1.8%

1 month

+10.3%S&P +4.9%

3 months

+15.1%S&P +13.1%

6 months

−1.6%S&P +13.8%

Mar 13 Sale Okey Stephanie Insider

1 week

+1.3%S&P −1.8%

1 month

+13.2%S&P +5.1%

3 months

+16.5%S&P +12.3%

6 months

+3.1%S&P +15.5%

Mar 10 Sale Almstead Neil Gregory Insider

1 week

−1.6%S&P −0.9%

1 month

+3.3%S&P +0.7%

3 months

+7.5%S&P +9.1%

6 months

−1.4%S&P +13.2%

Mar 10 Sale Okey Stephanie Insider

1 week

−1.6%S&P −0.9%

1 month

+3.3%S&P +0.7%

3 months

+7.5%S&P +9.1%

6 months

−1.4%S&P +13.2%

Mar 10 Sale Golden Lee Scott Insider

1 week

−1.6%S&P −0.9%

1 month

+3.3%S&P +0.7%

3 months

+7.5%S&P +9.1%

6 months

−1.4%S&P +13.2%

Feb 24 Sale Boulding Mark Elliott Insider

1 week

−6.7%S&P −1.0%

1 month

−3.2%S&P −4.2%

3 months

−1.9%S&P +9.5%

6 months

+6.5%S&P +12.0%

Feb 21 Sale Gravier Pierre Insider

1 week

−5.9%S&P +0.6%

1 month

−8.5%S&P −4.0%

3 months

−2.4%S&P +9.6%

6 months

+0.8%S&P +12.5%

Feb 21 Sale Klein Matthew B. Insider

1 week

−5.9%S&P +0.6%

1 month

−8.5%S&P −4.0%

3 months

−2.4%S&P +9.6%

6 months

+0.8%S&P +12.5%

Feb 21 Sale Pauwels Eric Insider

1 week

−5.9%S&P +0.6%

1 month

−8.5%S&P −4.0%

3 months

−2.4%S&P +9.6%

6 months

+0.8%S&P +12.5%

Feb 21 Sale Almstead Neil Gregory Insider

1 week

−5.9%S&P +0.6%

1 month

−8.5%S&P −4.0%

3 months

−2.4%S&P +9.6%

6 months

+0.8%S&P +12.5%

Feb 21 Sale Utter Christine Marie Insider

1 week

−5.9%S&P +0.6%

1 month

−8.5%S&P −4.0%

3 months

−2.4%S&P +9.6%

6 months

+0.8%S&P +12.5%

Feb 21 Sale Golden Lee Scott Insider

1 week

−5.9%S&P +0.6%

1 month

−8.5%S&P −4.0%

3 months

−2.4%S&P +9.6%

6 months

+0.8%S&P +12.5%

Feb 20 Sale Boulding Mark Elliott Insider

1 week

−3.5%S&P −0.5%

1 month

−6.0%S&P −4.7%

3 months

−1.2%S&P +8.0%

6 months

−1.2%S&P +11.7%

Jan 13 Sale Boulding Mark Elliott Insider

1 week

+0.2%S&P −1.2%

1 month

−6.2%S&P −1.8%

3 months

−2.4%S&P +1.2%

6 months

+4.1%S&P +8.8%

Jan 13 Sale Klein Matthew B. Insider

1 week

+0.2%S&P −1.2%

1 month

−6.2%S&P −1.8%

3 months

−2.4%S&P +1.2%

6 months

+4.1%S&P +8.8%

Jan 13 Sale Golden Lee Scott Insider

1 week

+0.2%S&P −1.2%

1 month

−6.2%S&P −1.8%

3 months

−2.4%S&P +1.2%

6 months

+4.1%S&P +8.8%

Jan 13 Sale Utter Christine Marie Insider

1 week

+0.2%S&P −1.2%

1 month

−6.2%S&P −1.8%

3 months

−2.4%S&P +1.2%

6 months

+4.1%S&P +8.8%

Jan 13 Sale Pauwels Eric Insider

1 week

+0.2%S&P −1.2%

1 month

−6.2%S&P −1.8%

3 months

−2.4%S&P +1.2%

6 months

+4.1%S&P +8.8%

Jan 13 Sale Almstead Neil Gregory Insider

1 week

+0.2%S&P −1.2%

1 month

−6.2%S&P −1.8%

3 months

−2.4%S&P +1.2%

6 months

+4.1%S&P +8.8%

Jan 9 Sale Klein Matthew B. Insider

1 week

−6.5%S&P −0.3%

1 month

−7.0%S&P −0.3%

3 months

−9.2%S&P −0.9%

6 months

+0.7%S&P +8.9%

Jan 9 Sale Pauwels Eric Insider

1 week

−6.5%S&P −0.3%

1 month

−7.0%S&P −0.3%

3 months

−9.2%S&P −0.9%

6 months

+0.7%S&P +8.9%

Jan 9 Sale Gravier Pierre Insider

1 week

−6.5%S&P −0.3%

1 month

−7.0%S&P −0.3%

3 months

−9.2%S&P −0.9%

6 months

+0.7%S&P +8.9%

Jan 9 Sale Almstead Neil Gregory Insider

1 week

−6.5%S&P −0.3%

1 month

−7.0%S&P −0.3%

3 months

−9.2%S&P −0.9%

6 months

+0.7%S&P +8.9%

Jan 9 Sale Boulding Mark Elliott Insider

1 week

−6.5%S&P −0.3%

1 month

−7.0%S&P −0.3%

3 months

−9.2%S&P −0.9%

6 months

+0.7%S&P +8.9%

Jan 9 Sale Golden Lee Scott Insider

1 week

−6.5%S&P −0.3%

1 month

−7.0%S&P −0.3%

3 months

−9.2%S&P −0.9%

6 months

+0.7%S&P +8.9%

Jan 9 Sale Utter Christine Marie Insider

1 week

−6.5%S&P −0.3%

1 month

−7.0%S&P −0.3%

3 months

−9.2%S&P −0.9%

6 months

+0.7%S&P +8.9%

Jan 7 Sale Reeve Emma Insider

1 week

+0.1%S&P +0.1%

1 month

−3.3%S&P +0.2%

3 months

−8.3%S&P −1.1%

6 months

+9.9%S&P +10.1%

Jan 7 Sale STEELE GLENN JR MD PHD Insider

1 week

+0.1%S&P +0.1%

1 month

−3.3%S&P +0.2%

3 months

−8.3%S&P −1.1%

6 months

+9.9%S&P +10.1%

Jan 7 Sale Boulding Mark Elliott Insider

1 week

+0.1%S&P +0.1%

1 month

−3.3%S&P +0.2%

3 months

−8.3%S&P −1.1%

6 months

+9.9%S&P +10.1%

Jan 3 Sale Klein Matthew B. Insider

1 week

+1.1%S&P +1.1%

1 month

−3.7%S&P −0.2%

3 months

−9.4%S&P −3.9%

6 months

+15.4%S&P +9.0%

Dec 24, 2025 Sale Pauwels Eric Insider

1 week

−2.1%S&P −1.0%

1 month

−3.7%S&P +0.7%

3 months

−15.6%S&P −7.9%

6 months

+4.1%S&P +7.9%

Dec 20, 2025 Sale Pauwels Eric Insider

1 week

−3.4%S&P +0.3%

1 month

−4.6%S&P +0.6%

3 months

−15.4%S&P −3.8%

6 months

+7.1%S&P +7.8%

Dec 6, 2025 Sale Reeve Emma Insider

1 week

−0.9%S&P −0.4%

1 month

−0.1%S&P +1.2%

3 months

−14.6%S&P −0.8%

6 months

−4.6%S&P +6.7%

Dec 4, 2025 Sale Klein Matthew B. Insider

1 week

−3.1%S&P +0.7%

1 month

−1.5%S&P +1.4%

3 months

−12.1%S&P −0.6%

6 months

−9.0%S&P +8.6%

Nov 27, 2025 Sale Jacobson Allan Steven Insider

1 week

−10.2%S&P +0.3%

1 month

−11.4%S&P +0.8%

3 months

−25.1%S&P −0.2%

6 months

−20.7%S&P +11.8%

Nov 27, 2025 Sale Almstead Neil Gregory Insider

1 week

−10.2%S&P +0.3%

1 month

−11.4%S&P +0.8%

3 months

−25.1%S&P −0.2%

6 months

−20.7%S&P +11.8%

Nov 27, 2025 Sale Almstead Neil Gregory Insider

1 week

−10.2%S&P +0.3%

1 month

−11.4%S&P +0.8%

3 months

−25.1%S&P −0.2%

6 months

−20.7%S&P +11.8%

Nov 26, 2025 Sale Reeve Emma Insider

1 week

−9.7%S&P +0.7%

1 month

−10.0%S&P +1.5%

3 months

−23.0%S&P +1.3%

6 months

−14.4%S&P +12.2%

Nov 20, 2025 Sale Boulding Mark Elliott Insider

1 week

+12.5%S&P +4.7%

1 month

+3.2%S&P +5.3%

3 months

−9.8%S&P +5.6%

6 months

−11.5%S&P +15.7%

Nov 15, 2025 Sale Reeve Emma Insider

1 week

+5.6%S&P +0.5%

1 month

−0.9%S&P +0.9%

3 months

−7.5%S&P +3.1%

6 months

−6.1%S&P +12.0%

Nov 1, 2025 Sale Reeve Emma Insider

1 week

+6.7%S&P −0.3%

1 month

+11.5%S&P +0.1%

3 months

+8.8%S&P +0.7%

6 months

−2.0%S&P +8.0%

Oct 10, 2025 Sale Boulding Mark Elliott Insider

1 week

−0.4%S&P +1.7%

1 month

+9.4%S&P +4.4%

3 months

+17.2%S&P +6.8%

6 months

+10.2%S&P +7.0%

Oct 8, 2025 Sale Almstead Neil Gregory Insider

1 week

+6.3%S&P −1.2%

1 month

+12.6%S&P −0.4%

3 months

+19.2%S&P +2.7%

6 months

+6.5%S&P +1.5%

Oct 8, 2025 Sale Boulding Mark Elliott Insider

1 week

+6.3%S&P −1.2%

1 month

+12.6%S&P −0.4%

3 months

+19.2%S&P +2.7%

6 months

+6.5%S&P +1.5%

Oct 8, 2025 Sale Jacobson Allan Steven Insider

1 week

+6.3%S&P −1.2%

1 month

+12.6%S&P −0.4%

3 months

+19.2%S&P +2.7%

6 months

+6.5%S&P +1.5%

Oct 8, 2025 Sale Reeve Emma Insider

1 week

+6.3%S&P −1.2%

1 month

+12.6%S&P −0.4%

3 months

+19.2%S&P +2.7%

6 months

+6.5%S&P +1.5%

Sep 17, 2025 Sale Reeve Emma Insider

1 week

−1.9%S&P +0.6%

1 month

+10.2%S&P +0.5%

3 months

+24.4%S&P +3.3%

6 months

+10.6%S&P +0.7%

Sep 16, 2025 Sale Boulding Mark Elliott Insider

1 week

+1.5%S&P +0.8%

1 month

+14.8%S&P +1.1%

3 months

+27.7%S&P +3.4%

6 months

+12.2%S&P +0.8%

Sep 12, 2025 Sale SOUTHWELL DAVID P Insider

1 week

−1.0%S&P +1.2%

1 month

+8.1%S&P +1.1%

3 months

+23.5%S&P +5.1%

6 months

+9.2%S&P +2.3%

Sep 10, 2025 Sale Pauwels Eric Insider

1 week

+4.0%S&P +1.1%

1 month

+13.2%S&P +3.2%

3 months

+26.0%S&P +5.0%

6 months

+8.6%S&P +2.7%

Sep 3, 2025 Sale Jacobson Allan Steven Insider

1 week

+5.0%S&P +1.3%

1 month

+13.4%S&P +4.2%

3 months

+41.3%S&P +6.2%

6 months

+14.0%S&P +6.4%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for PTCT

210 held · newest 5210 held · newest 2

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Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Mar 31, 2026 Schedule 13G, amended

The Toronto-Dominion Bank: 3.7%, 3,025,945 shares

Mar 31, 2026 Schedule 13G, amended

JANUS HENDERSON GROUP PLC: 8.7%, 7,193,433 shares

Mar 31, 2026 Schedule 13G

Vanguard Capital Management: 5.2%, 4,284,448 shares

Mar 31, 2026 Schedule 13G

Vanguard Portfolio Management: 5.9%, 4,871,329 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Dec 31, 2025 Schedule 13G

JANUS HENDERSON GROUP PLC: 6%, 4,851,332 shares

Dec 31, 2025 Schedule 13G

The Toronto-Dominion Bank: 5.2%, 4,138,215 shares

Dec 31, 2025 Schedule 13G, amended

Wellington Management Group LLP: 4.8%, 3,867,380 shares

Dec 31, 2025 Schedule 13G

STATE STREET CORPORATION: 5.2%, 4,206,126 shares

Nov 30, 2025 Schedule 13G, amended

BlackRock, Inc.: 14.8%, 11,904,696 shares

Sep 30, 2025 Schedule 13G, amended

Armistice Capital, LLC: 4.1%, 3,277,272 shares

Sep 30, 2025 Schedule 13G, amended

The Vanguard Group: 10.4%, 8,288,999 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

$140KQ4 2025

$390KQ1 2026

$170KQ2 2026

$170KQ3 2026

Unchanged from Q2 2026. Reported by the company to the Senate each quarter.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 21, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.