PTC Therapeutics, Inc. (PTCT) Insider Trading
Over the last 3 months, PTCT insiders made 0 open-market buys and 32 sales, a net sale of -$13.2M (SEC Form 4). Over the last 6 months, 281 institutions increased and 201 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
32
Net (3m)
-$13.2M
Insider trades by month Buys Sells
Jan
Feb
Mar
Apr
May
Jun
Context3-month price +24.3%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 19,859 | $38.10 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 401 | $85.01 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 100 | $87.00 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 1,001 | $38.10 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 419 | $86.39 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 582 | $85.24 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 4,922 | $85.03 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 100 | $39.42 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 8,522 | $85.26 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 11,337 | $86.51 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 4,922 | $38.10 |
| Jun 26, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 401 | $38.10 |
| Jun 24, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 12,130 | $80.61 |
| Jun 24, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 11,619 | $81.21 |
| Jun 24, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 23,749 | $25.69 |
| Jun 22, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 1,850 | $79.24 |
| Jun 22, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Option | 8,510 | $46.54 |
| Jun 22, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Option | 2,012 | $46.54 |
| Jun 22, 2026 | Utter Christine Marieofficer: SVP, CHIEF ACCOUNTING OFFICER | Sell | 19,686 | $75.56 |
| Jun 22, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 6,600 | $78.50 |
| Jun 22, 2026 | Utter Christine Marieofficer: SVP, CHIEF ACCOUNTING OFFICER | Option | 19,686 | $25.69 |
| Jun 22, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 1,703 | $78.50 |
| Jun 22, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 309 | $79.25 |
| Jun 12, 2026 | Pauwels Ericofficer: CHIEF BUSINESS OFFICER | Sell | 17,566 | $75.00 |
| Jun 12, 2026 | Pauwels Ericofficer: CHIEF BUSINESS OFFICER | Option | 17,566 | $18.01 |
| May 19, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 456 | $72.67 |
| May 19, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 2,356 | $72.08 |
| May 19, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Option | 2,812 | $25.69 |
| May 15, 2026 | Klein Matthew B.director, officer: CHIEF EXECUTIVE OFFICER | Sell | 2,572 | $72.46 |
| May 15, 2026 | Klein Matthew B.director, officer: CHIEF EXECUTIVE OFFICER | Sell | 679 | $73.06 |
Source: PTCT SEC Form 4 filings, latest Jun 26, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their PTCT positions over the last 6 months (SEC Form 13F).
Increased
281
New positions
152
Reduced
201
Sold out
93
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| JANUS HENDERSON GROUP PLC | Increased | 14.4M | May 18, 2026 |
| BLACKROCK, INC. | Increased | 12.9M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 12.8M | Feb 12, 2026 |
| VANGUARD GROUP INC | Increased | 8.8M | Jan 29, 2026 |
| RTW INVESTMENTS, LP | Unchanged | 7.7M | May 15, 2026 |
| RTW INVESTMENTS, LP | Unchanged | 7.7M | Feb 17, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 7.4M | May 15, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 4.9M | Feb 17, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.8M | May 8, 2026 |
| STATE STREET CORP | Increased | 4.3M | May 15, 2026 |
| STATE STREET CORP | Increased | 4.2M | Feb 13, 2026 |
| TORONTO DOMINION BANK | Increased | 4.1M | Feb 17, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 3.9M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 3.9M | Feb 17, 2026 |
| TORONTO DOMINION BANK | Reduced | 3.0M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.