PTCT PTC Therapeutics, Inc.

NASDAQ
$66.06

PTC Therapeutics, Inc. (PTCT) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with PTCT's own trailing one-year pace, with 89% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 7 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
13
232 transactions
Purchases
$0
0 shares
Sales
$65.7M
882,247 shares
Net activity
-$65.7M
purchases less sales

How much of that selling was preplanned? 89% planned / 11% discretionary

10b5-1 plan sales $58.3M 191 transactions · 781,679 shares
Discretionary sales $7.4M 41 transactions · 100,568 shares

Largest single sale: $2.7M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
SCHMERTZLER MICHAEL 2 fills Director Sell 10b5-1 12,500 $71.58 $894.8K 1,337,204 −0.9% of holding
SCHMERTZLER MICHAEL 2 fills Director Sell 10b5-1 12,500 $72.94 $911.7K 1,354,720 −0.9% of holding
SCHMERTZLER MICHAEL 3 fills Director Sell 10b5-1 12,500 $71.11 $888.9K 1,364,675 −0.9% of holding
SCHMERTZLER MICHAEL 2 fills Director Sell 10b5-1 12,500 $73.32 $916.6K 1,381,259 −0.9% of holding
Boulding Mark Elliott 2 fills EXEC. VP AND CLO Sell 10b5-1 2,813 $72.57 $204.1K 106,241 −2.6% of holding
Klein Matthew B. CHIEF EXECUTIVE OFFICER Sell 10,292 $68.57 $705.7K 383,868 −2.6% of holding
Gravier Pierre CHIEF FINANCIAL OFFICER Sell 3,494 $80.35 $280.7K 83,986 −4% of holding
Smith Mary L. 2 fills Director Sell 10b5-1 15,834 $90.00 $1.4M 21,813 −42.1% of holding
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 2,464 $90.25 $222.4K 60,299 −3.9% of holding
Almstead Neil Gregory 3 fills CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 24,613 $88.89 $2.2M 80,956 −23.3% of holding
Almstead Neil Gregory 5 fills CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 22,161 $86.00 $1.9M 70,389 −23.9% of holding
Boulding Mark Elliott 8 fills EXEC. VP AND CLO Sell 10b5-1 5,079 $85.08 $432.1K 107,698 −4.5% of holding
Almstead Neil Gregory 2 fills CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 8,130 $85.26 $693.2K 60,137 −11.9% of holding
Almstead Neil Gregory 5 fills CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 20,960 $85.97 $1.8M 71,474 −22.7% of holding
Almstead Neil Gregory 2 fills CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 5,323 $85.03 $452.6K 60,137 −8.1% of holding
Almstead Neil Gregory 2 fills CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 23,749 $80.90 $1.9M 71,756 −24.9% of holding
Utter Christine Marie SVP, CHIEF ACCOUNTING OFFICER Sell 10b5-1 19,686 $75.56 $1.5M 70,199 −21.9% of holding
Boulding Mark Elliott 4 fills EXEC. VP AND CLO Sell 10b5-1 10,462 $78.65 $822.9K 107,122 −8.9% of holding
Pauwels Eric 2 fills CHIEF BUSINESS OFFICER Sell 10b5-1 21,277 $75.00 $1.6M 73,411 −22.5% of holding
Boulding Mark Elliott 2 fills EXEC. VP AND CLO Sell 10b5-1 2,812 $72.18 $203.0K 105,668 −2.6% of holding
Klein Matthew B. 4 fills CHIEF EXECUTIVE OFFICER Sell 12,572 $72.95 $917.2K 405,891 −3% of holding
Boulding Mark Elliott 4 fills EXEC. VP AND CLO Sell 10b5-1 3,540 $78.97 $279.6K 107,112 −3.2% of holding
Klein Matthew B. CHIEF EXECUTIVE OFFICER Sell 2,850 $70.91 $202.1K 394,070 −0.7% of holding
Boulding Mark Elliott 2 fills EXEC. VP AND CLO Sell 10b5-1 2,265 $69.45 $157.3K 106,655 −2.1% of holding
Golden Lee Scott EVP & CHIEF MEDICAL OFFICER Sell 829 $67.99 $56.4K 79,115 −1% of holding
Almstead Neil Gregory 3 fills CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 52,003 $69.04 $3.6M 72,747 −41.7% of holding
Klein Matthew B. CHIEF EXECUTIVE OFFICER Sell 2,662 $64.08 $170.6K 396,920 −0.7% of holding
Okey Stephanie 2 fills Director Sell 10b5-1 15,167 $70.00 $1.1M 8,000 −65.5% of holding
Golden Lee Scott EVP & CHIEF MEDICAL OFFICER Sell 10b5-1 10,000 $63.38 $633.8K 79,944 −11.1% of holding
Okey Stephanie Director Sell 10b5-1 6,333 $63.38 $401.4K 8,000 −44.2% of holding
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 3,989 $63.38 $252.8K 2,737 −59.3% of holding
Boulding Mark Elliott 4 fills EXEC. VP AND CLO Sell 10b5-1 3,019 $69.48 $209.8K 107,643 −2.7% of holding
Klein Matthew B. CHIEF EXECUTIVE OFFICER Sell 7,371 $69.36 $511.3K 387,082 −1.9% of holding
Almstead Neil Gregory 2 fills CHIEF TECHNICAL OPS OFFICER Sell 3,121 $69.36 $216.5K 112,140 −2.7% of holding
Boulding Mark Elliott EXEC. VP AND CLO Sell 3,081 $69.36 $213.7K 108,231 −2.8% of holding
Pauwels Eric CHIEF BUSINESS OFFICER Sell 3,019 $69.36 $209.4K 77,122 −3.8% of holding
Gravier Pierre CHIEF FINANCIAL OFFICER Sell 2,992 $69.36 $207.5K 87,318 −3.3% of holding
Utter Christine Marie SVP, CHIEF ACCOUNTING OFFICER Sell 2,494 $69.36 $173.0K 70,199 −3.4% of holding
Golden Lee Scott EVP & CHIEF MEDICAL OFFICER Sell 2,484 $69.36 $172.3K 89,944 −2.7% of holding
Boulding Mark Elliott 2 fills EXEC. VP AND CLO Sell 10b5-1 2,813 $69.29 $194.9K 111,314 −2.5% of holding
Pauwels Eric CHIEF BUSINESS OFFICER Sell 10b5-1 1,024 $78.70 $80.6K 80,141 −1.3% of holding
Boulding Mark Elliott 3 fills EXEC. VP AND CLO Sell 10b5-1 2,314 $77.93 $180.3K 112,105 −2% of holding
Pauwels Eric CHIEF BUSINESS OFFICER Sell 10b5-1 1,722 $77.41 $133.3K 81,165 −2.1% of holding
Pauwels Eric 2 fills CHIEF BUSINESS OFFICER Sell 10b5-1 3,148 $76.52 $240.9K 84,928 −3.6% of holding
Boulding Mark Elliott 2 fills EXEC. VP AND CLO Sell 10b5-1 2,747 $76.61 $210.4K 115,177 −2.3% of holding
Klein Matthew B. CHIEF EXECUTIVE OFFICER Sell 2,514 $76.45 $192.2K 394,453 −0.6% of holding
Pauwels Eric CHIEF BUSINESS OFFICER Sell 1,454 $76.45 $111.2K 82,887 −1.7% of holding
Boulding Mark Elliott EXEC. VP AND CLO Sell 1,286 $76.45 $98.3K 113,626 −1.1% of holding
Utter Christine Marie SVP, CHIEF ACCOUNTING OFFICER Sell 1,034 $76.45 $79.0K 72,693 −1.4% of holding
Almstead Neil Gregory 2 fills CHIEF TECHNICAL OPS OFFICER Sell 940 $76.45 $71.9K 115,196 −0.8% of holding
Golden Lee Scott EVP & CHIEF MEDICAL OFFICER Sell 866 $76.45 $66.2K 92,428 −0.9% of holding
Boulding Mark Elliott 6 fills EXEC. VP AND CLO Sell 10b5-1 3,376 $77.42 $261.4K 118,646 −2.8% of holding
Klein Matthew B. CHIEF EXECUTIVE OFFICER Sell 3,016 $77.48 $233.7K 396,967 −0.8% of holding
Boulding Mark Elliott EXEC. VP AND CLO Sell 1,503 $77.48 $116.5K 117,659 −1.3% of holding
Pauwels Eric CHIEF BUSINESS OFFICER Sell 1,352 $77.48 $104.8K 87,489 −1.5% of holding
Utter Christine Marie SVP, CHIEF ACCOUNTING OFFICER Sell 1,235 $77.45 $95.7K 73,727 −1.6% of holding
Almstead Neil Gregory 2 fills CHIEF TECHNICAL OPS OFFICER Sell 1,078 $77.48 $83.5K 116,077 −0.9% of holding
Golden Lee Scott EVP & CHIEF MEDICAL OFFICER Sell 642 $77.48 $49.7K 93,294 −0.7% of holding
Klein Matthew B. CHIEF EXECUTIVE OFFICER Sell 5,149 $76.95 $396.2K 399,983 −1.3% of holding
Gravier Pierre CHIEF FINANCIAL OFFICER Sell 2,139 $76.95 $164.6K 90,310 −2.3% of holding
Pauwels Eric CHIEF BUSINESS OFFICER Sell 1,789 $76.95 $137.7K 88,841 −2% of holding
Boulding Mark Elliott EXEC. VP AND CLO Sell 1,739 $76.95 $133.8K 119,162 −1.4% of holding
Utter Christine Marie SVP, CHIEF ACCOUNTING OFFICER Sell 1,381 $76.95 $106.3K 74,962 −1.8% of holding
Golden Lee Scott EVP & CHIEF MEDICAL OFFICER Sell 1,340 $76.95 $103.1K 93,936 −1.4% of holding
Almstead Neil Gregory 2 fills CHIEF TECHNICAL OPS OFFICER Sell 1,333 $76.95 $102.6K 117,103 −1.1% of holding
Boulding Mark Elliott 3 fills EXEC. VP AND CLO Sell 10b5-1 2,266 $75.55 $171.2K 122,044 −1.8% of holding
Reeve Emma Director Sell 10b5-1 734 $76.00 $55.8K 10,666 −6.4% of holding
STEELE GLENN JR MD PHD Director Sell 10b5-1 12,000 $76.35 $916.2K 18,500 −39.3% of holding
Klein Matthew B. CHIEF EXECUTIVE OFFICER Sell 8,089 $76.64 $619.9K 341,875 −2.3% of holding
Pauwels Eric 10 fills CHIEF BUSINESS OFFICER Sell 10b5-1 20,508 $77.26 $1.6M 88,678 −18.8% of holding
Pauwels Eric 3 fills CHIEF BUSINESS OFFICER Sell 10b5-1 3,202 $75.06 $240.4K 70,373 −4.4% of holding
Pauwels Eric 5 fills CHIEF BUSINESS OFFICER Sell 10b5-1 40,290 $75.43 $3.0M 72,912 −35.6% of holding
Reeve Emma Director Sell 10b5-1 733 $78.62 $57.6K 6,666 −9.9% of holding
Klein Matthew B. CHIEF EXECUTIVE OFFICER Sell 3,428 $79.07 $271.1K 349,964 −1% of holding
Almstead Neil Gregory 19 fills CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 71,928 $83.44 $6.0M 134,735 −34.8% of holding
Jacobson Allan Steven 8 fills Director Sell 10b5-1 14,199 $83.55 $1.2M 22,891 −38.3% of holding
Almstead Neil Gregory 5 fills CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 35,572 $80.18 $2.9M 100,625 −26.1% of holding
Jacobson Allan Steven 2 fills Director Sell 10b5-1 11,801 $80.14 $945.7K 17,451 −40.3% of holding
Reeve Emma Director Sell 10b5-1 10,000 $79.50 $795.0K 6,666 −60% of holding
Boulding Mark Elliott 3 fills EXEC. VP AND CLO Sell 10b5-1 2,812 $75.99 $213.7K 104,870 −2.6% of holding
Reeve Emma Director Sell 10b5-1 7,333 $74.50 $546.3K 6,666 −52.4% of holding
Reeve Emma 2 fills Director Sell 10b5-1 15,666 $69.50 $1.1M 6,666 −70.2% of holding
Boulding Mark Elliott 3 fills EXEC. VP AND CLO Sell 10b5-1 3,375 $63.43 $214.1K 105,519 −3.1% of holding
Boulding Mark Elliott EXEC. VP AND CLO Sell 10b5-1 2,266 $65.07 $147.4K 103,901 −2.1% of holding
Almstead Neil Gregory 6 fills CHIEF TECHNICAL OPS OFFICER Sell 10b5-1 55,000 $66.05 $3.6M 128,764 −29.9% of holding
Reeve Emma 9 fills Director Sell 10b5-1 25,562 $65.96 $1.7M 17,304 −59.6% of holding
Boulding Mark Elliott 10 fills EXEC. VP AND CLO Sell 10b5-1 22,655 $65.82 $1.5M 118,925 −16% of holding
Jacobson Allan Steven Director Sell 10b5-1 12,000 $65.00 $780.0K 17,451 −40.7% of holding
Boulding Mark Elliott 4 fills EXEC. VP AND CLO Sell 10b5-1 24,585 $61.34 $1.5M 104,445 −19.1% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.