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Nasdaq · CIK 0001070081

PTCT PTC THERAPEUTICS, INC.

Insider trading from SEC Form 4. Last filing 3 d ago. Close $64.70 on Oct 9, 2026, +4% from the 52-week low and -28% from the high.

Last 90 days

Net insider value
-$3.8M
more sold than bought
Buys
0
$0 by 0 insiders
Sells
5
$3.8M by 3 insiders
Insiders on file
10
with a Form 4 at this company

Price and insider trades, last year

PTCTOct 9, 2026 · close 64.70

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at PTC THERAPEUTICS, INC., scored.

ScoreInsiderValueHoldingsPrice contextFiled
21WeakMichael Schmertzler
director
sell
$158k
2,500 shares
-0%+2% from low-29% from high
6WeakMark Elliott Boulding
EXEC. VP AND CLO
sell
$133k
2,073 shares
-2%+2% from low-29% from high
27WeakGlenn Steele Jr Md Phd
director
sell
$782k
12,000 shares
-35%+6% from low-28% from high
28WeakMichael Schmertzler
director
sell
$1.3M
20,000 shares
-2%+17% from low-25% from high
20WeakMichael Schmertzler
director
sell
$1.4M
20,000 shares
-1%+17% from low-25% from high
15WeakMark Elliott Boulding
EXEC. VP AND CLO
sell
$2.9M
47,249 shares
-39%+89% from low0% from high
0WeakMark Elliott Boulding
EXEC. VP AND CLO
sell
$137k
2,813 shares
-3%+51% from low-15% from high
0WeakMark Elliott Boulding
EXEC. VP AND CLO
sell
$130k
2,812 shares
-3%+40% from low-21% from high
16WeakMatthew B. Klein
CHIEF EXECUTIVE OFFICER
sell
$137k
2,804 shares
-1%+49% from low-16% from high
1WeakLee Scott Golden
EVP & CHIEF MEDICAL OFFICER
sell
$42k
897 shares
-1%+50% from low-15% from high
16WeakMark Elliott Boulding
EXEC. VP AND CLO
sell
$827k
15,521 shares
-13%+66% from low-3% from high
33WeakMark Elliott Boulding
EXEC. VP AND CLO
sell
$4.0M
75,420 shares
-51%+63% from low-5% from high
38WeakAllan Steven Jacobson
director
sell
$63k
1,230 shares
-6%+61% from low-6% from high
21WeakNeil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
sell
$148k
2,946 shares
-3%+56% from low-3% from high
21WeakMark Elliott Boulding
EXEC. VP AND CLO
sell
$148k
2,947 shares
-3%+56% from low-3% from high
19WeakLee Scott Golden
EVP & CHIEF MEDICAL OFFICER
sell
$88k
1,757 shares
-2%+56% from low-3% from high
27WeakPierre Gravier
CHIEF FINANCIAL OFFICER
sell
$117k
2,335 shares
-3%+56% from low-3% from high
36WeakMatthew B. Klein
CHIEF EXECUTIVE OFFICER
sell
$390k
7,792 shares
-3%+56% from low-3% from high
21WeakNeil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
sell
$134k
2,979 shares
-3%+38% from low-14% from high
21WeakMark Elliott Boulding
EXEC. VP AND CLO
sell
$159k
3,541 shares
-3%+38% from low-14% from high
19WeakLee Scott Golden
EVP & CHIEF MEDICAL OFFICER
sell
$90k
2,008 shares
-2%+38% from low-14% from high
32WeakMatthew B. Klein
CHIEF EXECUTIVE OFFICER
sell
$204k
4,544 shares
-2%+38% from low-14% from high
35WeakMatthew B. Klein
CHIEF EXECUTIVE OFFICER
sell
$374k
8,279 shares
-4%+40% from low-13% from high
40ModerateNeil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
sell
$3.7M
71,610 shares
-81%-
40ModerateMark Elliott Boulding
EXEC. VP AND CLO
sell
$5.0M
95,908 shares
-102%-
29WeakChristine Marie Utter
SVP, CHIEF ACCOUNTING OFFICER
sell
$922k
17,800 shares
-32%-
40ModerateJerome B Zeldis
director
sell
$1.2M
24,000 shares
-91%-

Transactions

The last 100 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Oct 7, 2026Michael Schmertzler
director
SOpen-market sale
Common Stockindirect: See footnote10b5-1
-2,447$63.38$155k1,294,1473 d ago
Oct 7, 2026Michael Schmertzler
director
SOpen-market sale
Common Stockindirect: See footnote10b5-1
-53$63.95$3,3891,294,0943 d ago
Oct 5, 2026Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+1,638$39.42$65k106,9105 d ago
Oct 5, 2026Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-1,638$64.03$105k105,2725 d ago
Oct 6, 2026Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+435$39.42$17k105,7075 d ago
Oct 6, 2026Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-435$64.16$28k105,2725 d ago
Oct 5, 2026Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-1,638$0.00$02,8945 d ago
Oct 6, 2026Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-435$0.00$02,4595 d ago
Sep 30, 2026Glenn Steele Jr Md Phd
director
MOption exercise
Common Stock10b5-1
+12,000$11.23$135k34,50010 d ago
Sep 30, 2026Glenn Steele Jr Md Phd
director
SOpen-market sale
Common Stock10b5-1
-12,000$65.16$782k22,50010 d ago
Sep 30, 2026Glenn Steele Jr Md Phd
director
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-12,000$0.00$0010 d ago
Sep 16, 2026Michael Schmertzler
director
SOpen-market sale
Common Stockindirect: See footnote10b5-1
-2,994$66.58$199k1,313,60024 d ago
Sep 16, 2026Michael Schmertzler
director
SOpen-market sale
Common Stockindirect: See footnote10b5-1
-7,006$67.35$472k1,306,59424 d ago
Sep 17, 2026Michael Schmertzler
director
SOpen-market sale
Common Stockindirect: See footnote10b5-1
-9,624$67.83$653k1,296,97024 d ago
Sep 17, 2026Michael Schmertzler
director
SOpen-market sale
Common Stockindirect: See footnote10b5-1
-376$68.45$26k1,296,59424 d ago
Sep 9, 2026Michael Schmertzler
director
SOpen-market sale
Common Stockindirect: See footnote10b5-1
-9,428$67.79$639k1,327,16631 d ago
Sep 9, 2026Michael Schmertzler
director
SOpen-market sale
Common Stockindirect: See footnote10b5-1
-572$68.67$39k1,326,59431 d ago
Sep 10, 2026Michael Schmertzler
director
SOpen-market sale
Common Stockindirect: See footnote10b5-1
-10,000$67.34$673k1,316,59431 d ago
Sep 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+17,838$38.10$680k121,739Sep 15, 2025
Sep 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-17,838$61.00$1.1M103,901Sep 15, 2025
Sep 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+2,356$38.10$90k106,257Sep 15, 2025
Sep 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-2,356$61.00$144k103,901Sep 15, 2025
Sep 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+2,470$38.10$94k106,371Sep 15, 2025
Sep 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-2,470$61.00$151k103,901Sep 15, 2025
Sep 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+22,661$38.10$863k126,562Sep 15, 2025
Sep 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-22,117$61.33$1.4M104,445Sep 15, 2025
Sep 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-544$62.09$34k103,901Sep 15, 2025
Sep 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+1,019$38.10$39k104,920Sep 15, 2025
Sep 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-1,019$61.31$62k103,901Sep 15, 2025
Sep 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+905$38.10$34k104,806Sep 15, 2025
Sep 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-905$61.21$55k103,901Sep 15, 2025
Sep 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-17,838$0.00$036,162Sep 15, 2025
Sep 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-2,356$0.00$033,806Sep 15, 2025
Sep 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-2,470$0.00$031,336Sep 15, 2025
Sep 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-22,661$0.00$08,675Sep 15, 2025
Sep 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-1,019$0.00$07,656Sep 15, 2025
Sep 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-905$0.00$06,751Sep 15, 2025
Aug 15, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+2,813$25.69$72k106,714Aug 19, 2025
Aug 15, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-2,813$48.58$137k103,901Aug 19, 2025
Aug 15, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-2,813$0.00$024,899Aug 19, 2025
May 15, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+1,929$25.69$50k105,830May 19, 2025
May 15, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-1,929$46.18$89k103,901May 19, 2025
May 16, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+883$25.69$23k104,784May 19, 2025
May 16, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-883$46.02$41k103,901May 19, 2025
May 15, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-1,929$0.00$028,595May 19, 2025
May 16, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-883$0.00$027,712May 19, 2025
Apr 22, 2025Matthew B. Klein
CHIEF EXECUTIVE OFFICER
SOpen-market sale
Common Stock10b5-1
-2,804$48.74$137k273,234Apr 24, 2025
Apr 2, 2025Lee Scott Golden
EVP & CHIEF MEDICAL OFFICER
SOpen-market sale
Common Stock10b5-1
-897$46.95$42k75,997Apr 4, 2025
Mar 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+13,126$33.02$433k117,027Mar 14, 2025
Mar 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-13,126$53.31$700k103,901Mar 14, 2025
Mar 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+2,395$33.02$79k106,296Mar 14, 2025
Mar 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-2,395$53.23$127k103,901Mar 14, 2025
Mar 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-13,126$0.00$00Mar 14, 2025
Mar 12, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-2,395$0.00$00Mar 14, 2025
Mar 10, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+45,392$33.02$1.5M149,293Mar 12, 2025
Mar 10, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-45,392$53.15$2.4M103,901Mar 12, 2025
Mar 10, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+11,398$33.02$376k115,299Mar 12, 2025
Mar 10, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-11,398$53.12$605k103,901Mar 12, 2025
Mar 10, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+11,249$25.69$289k115,150Mar 12, 2025
Mar 10, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-3,487$52.24$182k111,663Mar 12, 2025
Mar 10, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-7,762$53.05$412k103,901Mar 12, 2025
Mar 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+5,662$33.02$187k109,563Mar 12, 2025
Mar 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-5,662$53.02$300k103,901Mar 12, 2025
Mar 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Common Stock10b5-1
+1,719$33.02$57k105,620Mar 12, 2025
Mar 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-1,719$53.01$91k103,901Mar 12, 2025
Mar 10, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-45,392$0.00$018,788Mar 12, 2025
Mar 10, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-11,398$0.00$04,114Mar 12, 2025
Mar 10, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-11,249$0.00$033,751Mar 12, 2025
Mar 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-5,662$0.00$013,126Mar 12, 2025
Mar 11, 2025Mark Elliott Boulding
EXEC. VP AND CLO
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-1,719$0.00$02,395Mar 12, 2025
Mar 4, 2025Allan Steven Jacobson
director
SOpen-market sale
Common Stock
-1,230$51.52$63k19,118Mar 6, 2025
Feb 19, 2025Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
SOpen-market sale
Common Stock10b5-1
-1,300$50.10$65k101,931Feb 21, 2025
Feb 19, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-1,333$50.10$67k105,515Feb 21, 2025
Feb 19, 2025Lee Scott Golden
EVP & CHIEF MEDICAL OFFICER
SOpen-market sale
Common Stock10b5-1
-795$50.10$40k77,856Feb 21, 2025
Feb 19, 2025Pierre Gravier
CHIEF FINANCIAL OFFICER
SOpen-market sale
Common Stock10b5-1
-1,168$50.10$59k75,603Feb 21, 2025
Feb 19, 2025Matthew B. Klein
CHIEF EXECUTIVE OFFICER
SOpen-market sale
Common Stock10b5-1
-3,897$50.10$195k279,933Feb 21, 2025
Feb 20, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-1,614$50.12$81k103,901Feb 21, 2025
Feb 20, 2025Lee Scott Golden
EVP & CHIEF MEDICAL OFFICER
SOpen-market sale
Common Stock10b5-1
-962$50.12$48k76,894Feb 21, 2025
Feb 20, 2025Pierre Gravier
CHIEF FINANCIAL OFFICER
SOpen-market sale
Common Stock10b5-1
-1,167$50.12$58k74,436Feb 21, 2025
Feb 20, 2025Matthew B. Klein
CHIEF EXECUTIVE OFFICER
SOpen-market sale
Common Stock10b5-1
-3,895$50.12$195k276,038Feb 21, 2025
Feb 19, 2025Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
SOpen-market sale
Common Stockindirect: By Spouse10b5-1
-34$50.10$1,7035,941Feb 21, 2025
Feb 20, 2025Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
SOpen-market sale
Common Stock10b5-1
-1,578$50.12$79k100,353Feb 21, 2025
Feb 20, 2025Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
SOpen-market sale
Common Stockindirect: By Spouse10b5-1
-34$50.12$1,7045,907Feb 21, 2025
Jan 7, 2025Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
SOpen-market sale
Common Stock10b5-1
-1,265$45.34$57k104,783Jan 10, 2025
Jan 7, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-1,543$45.34$70k108,846Jan 10, 2025
Jan 7, 2025Lee Scott Golden
EVP & CHIEF MEDICAL OFFICER
SOpen-market sale
Common Stock10b5-1
-810$45.34$37k79,849Jan 10, 2025
Jan 7, 2025Matthew B. Klein
CHIEF EXECUTIVE OFFICER
SOpen-market sale
Common Stock10b5-1
-2,142$45.34$97k286,232Jan 10, 2025
Jan 8, 2025Mark Elliott Boulding
EXEC. VP AND CLO
SOpen-market sale
Common Stock10b5-1
-1,998$44.50$89k106,848Jan 10, 2025
Jan 8, 2025Lee Scott Golden
EVP & CHIEF MEDICAL OFFICER
SOpen-market sale
Common Stock10b5-1
-1,198$44.50$53k78,651Jan 10, 2025
Jan 8, 2025Matthew B. Klein
CHIEF EXECUTIVE OFFICER
SOpen-market sale
Common Stock10b5-1
-2,402$44.50$107k283,830Jan 10, 2025
Jan 7, 2025Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
SOpen-market sale
Common Stockindirect: By Spouse10b5-1
-55$45.34$2,4946,082Jan 10, 2025
Jan 8, 2025Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
SOpen-market sale
Common Stock10b5-1
-1,552$44.50$69k103,231Jan 10, 2025
Jan 8, 2025Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
SOpen-market sale
Common Stockindirect: By Spouse10b5-1
-107$44.50$4,7625,975Jan 10, 2025
Jan 3, 2025Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
AGrant or award
Common Stock
+19,000$0.00$0106,048Jan 7, 2025
Jan 3, 2025Matthew B. Klein
CHIEF EXECUTIVE OFFICER
AGrant or award
Common Stock
+70,000$0.00$0288,374Jan 7, 2025
Jan 3, 2025Allan Steven Jacobson
director
AGrant or award
Common Stock
+4,000$0.00$020,348Jan 7, 2025
Jan 3, 2025Pierre Gravier
CHIEF FINANCIAL OFFICER
AGrant or award
Common Stock
+22,500$0.00$076,771Jan 7, 2025
Jan 3, 2025Mark Elliott Boulding
EXEC. VP AND CLO
AGrant or award
Common Stock
+18,000$0.00$0110,389Jan 7, 2025
Jan 3, 2025Lee Scott Golden
EVP & CHIEF MEDICAL OFFICER
AGrant or award
Common Stock
+20,000$0.00$080,659Jan 7, 2025
Jan 3, 2025Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
AGrant or award
Common Stockindirect: By Spouse
+715$0.00$06,137Jan 7, 2025

Insiders

Everyone who has filed a Form 4 here.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

PTCT insider trading: PTC THERAPEUTICS, INC. | InsiderTell