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Michael Schmertzler

Director · PTC Therapeutics

Michael Schmertzler (Director) filed 6 Form 4 reports in the trailing twelve months (0 purchases, 6 sales), most often in PTC Therapeutics, Inc. (PTCT). The largest single filing was $1.8M of PTCT (24,390 sh across 3 lots, as filed), executed Aug 26. Data as of Nov 7 2026.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
6
0 buys · 6 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$6.4M
shares × price, as filed
Last traded
Oct 14
Filed Oct 16

Median ADV $125.1M across their filed names

Open performance→
Volume by month
$3.5M$1.8M$0Dec 2024Jun 2025Dec 2025Jun 2026Aug 2026 · sells $3.5MSep 2026 · sells $2.6MOct 2026 · sells $281K
Buys $0 Sells $6.4M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 6 filings

Sector per market data · by filing · past 12 months

Most traded names
PTCT PTC Therapeutics, Inc. PTCT · 0 buys · 6 sells 6 filings
Recent filings
PTCTSALE PTC Therapeutics, Inc. View filing → $126K
2,118 sh × $59.52
Exec Oct 14
Filed Oct 16 · 5:20 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $155K
2,447 sh × $63.38
Exec Oct 7
Filed Oct 9 · 5:20 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $1.3M
19,624 sh across 3 lots
Exec Sep 16
Filed Sep 18 · 5:20 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $1.3M
19,428 sh across 2 lots
Exec Sep 9
Filed Sep 11 · 5:20 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $1.8M
24,390 sh across 3 lots
Exec Aug 26
Filed Aug 28 · 5:20 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $1.8M
24,309 sh across 4 lots
Exec Aug 19
Filed Aug 21 · 5:20 PM ET