SCHMERTZLER MICHAEL sold 1.8% of their position (25K shares) of PTC THERAPEUTICS, INC. on the open market
Open‑market sale worth $1.81M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 5 sales
Filed: 8/21/2026ACC: 0001288952-26-000004
Director
Since Jan 2019
-25K
Net shares
Net seller
$1.81M
Total sold
5
Open market trades
0B · 5S
5
Total transactions
25K disposed
Non-Derivative Transactions5
Common Stock
Indirect
Shares
−5.33K
Price / share
$72.86
Trade value
$388.71K
% of position
0.4%
8/19/2026
1.39M→1.38M
Common Stock
Indirect
Shares
−7.17K
Price / share
$73.67
Trade value
$527.85K
% of position
0.5%
8/19/2026
1.38M→1.37M
Common Stock
Indirect
Shares
−9.42K
Price / share
$70.78
Trade value
$666.68K
% of position
0.7%
8/20/2026
1.37M→1.36M
Common Stock
Indirect
Shares
−2.39K
Price / share
$71.88
Trade value
$171.79K
% of position
0.2%
8/20/2026
1.36M→1.36M
Common Stock
Indirect
Shares
−691.00
Price / share
$72.92
Trade value
$50.39K
% of position
0.1%
8/20/2026
1.36M→1.36M
Total
Net shares
−25K
Net value
-$1.81M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 8/19/2026 | S · Sale | −5.33K | $72.86 | $388.71K | 0.4% | 1.39M | 1.38M |
| Common Stock Indirect | 8/19/2026 | S · Sale | −7.17K | $73.67 | $527.85K | 0.5% | 1.38M | 1.37M |
| Common Stock Indirect | 8/20/2026 | S · Sale | −9.42K | $70.78 | $666.68K | 0.7% | 1.37M | 1.36M |
| Common Stock Indirect | 8/20/2026 | S · Sale | −2.39K | $71.88 | $171.79K | 0.2% | 1.36M | 1.36M |
| Common Stock Indirect | 8/20/2026 | S · Sale | −691.00 | $72.92 | $50.39K | 0.1% | 1.36M | 1.36M |
| Total | −25K | -$1.81M | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1
Common Stock
DirectShares owned163.27K
Total
163.27K direct163.27K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 163.27K | Direct |
| Total | 163.27K | 163.27K direct |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported