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M&A: Sangamo Therapeutics announced it will sell assets to PTC Therapeutics (PTCT) on Wednesday, August 12, 2026
PTC Therapeutics Ownership & Insider Activity
PTC Therapeutics (PTCT) institutional and insider ownership, recent insider transactions and ownership breakdown.
Insiders own 2.0% of shares outstanding. Institutional investors hold 76.0%. Over the past 90 days, insiders made 3 sales worth $2.3M.
Shares Outstanding
83.461M
Shares Float
61.570M
Insider Shares Owned
1.676M
Insider % Owned
2.0%
Institutional Shares Held
63.410M
Institutional % Held
76.0%
Ownership Breakdown
Net Insider Activity by Month
Purchases (90d)
0
Sales (90d)
3
$2.3M total
Net Activity
Net Selling
Net Value (90d)
-$2.3M
PTC Therapeutics Insider Transactions (Last 6 Months)
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 4, 2026 | Matthew Klein | CHIEF EXECUTIVE OFFICER | SELL | 10.292K | $68.57 | $706K |
| Jul 14, 2026 | Pierre Gravier | CHIEF FINANCIAL OFFICER | SELL | 3.494K | $80.35 | $281K |
| Jul 9, 2026 | Mary Smith | — | SELL-OPTIONS | — | $66.47 | $745K |
| Jul 9, 2026 | Gregory Neil Almstead | CHIEF TECHNICAL OPS OFFICER | SELL-OPTIONS | — | $68.39 | $108K |
| Jul 6, 2026 | Elliott Mark Boulding | EXEC. VP AND CLO | SELL-OPTIONS | — | $64.22 | $212K |
| Jul 6, 2026 | Gregory Neil Almstead | CHIEF TECHNICAL OPS OFFICER | SELL-OPTIONS | — | $63.19 | $2.3M |
| Jun 26, 2026 | Gregory Neil Almstead | CHIEF TECHNICAL OPS OFFICER | SELL-OPTIONS | — | $61.68 | $383K |
| Jun 24, 2026 | Gregory Neil Almstead | CHIEF TECHNICAL OPS OFFICER | SELL-OPTIONS | — | $61.94 | $1.3M |
| Jun 22, 2026 | Gregory Neil Almstead | CHIEF TECHNICAL OPS OFFICER | SELL-OPTIONS | — | $53.30 | $1.3M |
| Jun 17, 2026 | Marie Christine Utter | SVP, CHIEF ACCOUNTING OFFICER | SELL-OPTIONS | — | $50.63 | $982K |
| Jun 17, 2026 | Elliott Mark Boulding | EXEC. VP AND CLO | SELL-OPTIONS | 60.000 | $62.60 | $333K |
| Jun 10, 2026 | Eric Pauwels | CHIEF BUSINESS OFFICER | SELL | 3.711K | $46.51 | $1.3M |
| May 15, 2026 | Elliott Mark Boulding | EXEC. VP AND CLO | SELL-OPTIONS | — | $48.93 | $131K |
| May 13, 2026 | Matthew Klein | CHIEF EXECUTIVE OFFICER | SELL | 72.000 | $72.95 | $917K |
| May 8, 2026 | Elliott Mark Boulding | EXEC. VP AND CLO | SELL-OPTIONS | — | $62.76 | $115K |
| Apr 21, 2026 | Matthew Klein | CHIEF EXECUTIVE OFFICER | SELL | 2.850K | $70.91 | $202K |
| Apr 6, 2026 | Elliott Mark Boulding | EXEC. VP AND CLO | SELL-OPTIONS | — | $54.43 | $68K |
| Apr 2, 2026 | Scott Lee Golden | EVP & CHIEF MEDICAL OFFICER | SELL | 829.000 | $67.99 | $56K |
| Apr 1, 2026 | Gregory Neil Almstead | CHIEF TECHNICAL OPS OFFICER | SELL | 52.003K | $69.04 | $3.6M |
| Mar 11, 2026 | Matthew Klein | CHIEF EXECUTIVE OFFICER | GRANT | 9.838K | $64.08 | $171K |
| Mar 10, 2026 | Stephanie Okey | — | SELL-OPTIONS | — | $51.81 | $552K |
| Mar 5, 2026 | Stephanie Okey | — | SELL | 6.333K | $63.38 | $401K |
| Mar 5, 2026 | Scott Lee Golden | EVP & CHIEF MEDICAL OFFICER | SELL | 10.000K | $63.38 | $634K |
| Mar 5, 2026 | Gregory Neil Almstead | CHIEF TECHNICAL OPS OFFICER | SELL | 3.989K | $63.38 | $253K |
| Feb 19, 2026 | Elliott Mark Boulding | EXEC. VP AND CLO | SELL | 3.019K | $69.48 | $210K |
| Feb 18, 2026 | Marie Christine Utter | SVP, CHIEF ACCOUNTING OFFICER | SELL | 2.494K | $69.36 | $173K |
| Feb 18, 2026 | Pierre Gravier | CHIEF FINANCIAL OFFICER | SELL | 2.992K | $69.36 | $208K |
| Feb 18, 2026 | Eric Pauwels | CHIEF BUSINESS OFFICER | SELL | 3.019K | $69.36 | $209K |
| Feb 18, 2026 | Matthew Klein | CHIEF EXECUTIVE OFFICER | SELL | 7.371K | $69.36 | $511K |
| Feb 18, 2026 | Scott Lee Golden | EVP & CHIEF MEDICAL OFFICER | SELL | 2.484K | $69.36 | $172K |
| Feb 18, 2026 | Gregory Neil Almstead | CHIEF TECHNICAL OPS OFFICER | SELL | 3.121K | $69.36 | $216K |
| Feb 17, 2026 | Elliott Mark Boulding | EXEC. VP AND CLO | SELL | 3.081K | $47.51 | $336K |
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