// company-profile
Ptc Therapeutics, Inc.
PTCTExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings177Insiders18
// api This Ptc Therapeutics, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).
// 90-day insight
Over the last 90 days, Ptc Therapeutics, Inc. insiders bought $0 (1 transaction) and sold $1.2M (6 transactions).
- Most active insider: Boulding Mark Elliott with 24 transactions totaling $2.3M.
- Largest single sale: $2.7M by Almstead Neil Gregory on Apr 1, 2026.
- 76% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of Ptc Therapeutics, Inc. as of 2026-03-31
Total reported AUM
$6.01B
QoQ change
+2.8%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$615.3M
9.0M shares
#2
RTW INVESTMENTS, LP
CIK 1493215
$527.8M
7.7M shares
#3
JANUS HENDERSON GROUP PLC
CIK 1274173
$479.2M
7.0M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 17, 2026 | Boulding Mark Elliott | PTCT | Sale10b5 | 1,850 | $79.24 | $147K |
| Jun 17, 2026 | Boulding Mark Elliott | PTCT | Sale10b5 | 1,703 | $78.50 | $134K |
| Jun 17, 2026 | Boulding Mark Elliott | PTCT | Option Exercise10b5 | 2,012 | $46.54 | $94K |
| Jun 17, 2026 | Boulding Mark Elliott | PTCT | Option Exercise10b5 | 8,510 | $46.54 | $396K |
| Jun 17, 2026 | Utter Christine Marie | PTCT | Option Exercise10b5 | 19,686 | $0.00 | $0K |
45 more transactions hidden
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