PTCT PTC Therapeutics, Inc.

NASDAQ
$64.70

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.

Insider signal In line Selling ran below PTCT's own trailing one-year pace, with 90% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 5 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
7
24 transactions
Purchases
$0
0 shares
Sales
$9.9M
136,897 shares
Net activity
-$9.9M
purchases less sales

How much of that selling was preplanned? 90% planned / 10% discretionary

10b5-1 plan sales $8.9M 22 transactions · 123,111 shares
Discretionary sales $986.5K 2 transactions · 13,786 shares

Largest single sale: $900.0K.

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
Boulding Mark Elliott EXEC. VP AND CLO Sell 10b5-1 435 $64.16 $27.9K 105,272 −0.4% of holding
Boulding Mark Elliott EXEC. VP AND CLO Sell 10b5-1 1,638 $64.03 $104.9K 105,272 −1.5% of holding
STEELE GLENN JR MD PHD Director Sell 10b5-1 12,000 $65.16 $781.9K 22,500 −34.8% of holding
SCHMERTZLER MICHAEL 2 fills Director Sell 10b5-1 10,000 $67.85 $678.5K 1,296,970 −0.8% of holding
SCHMERTZLER MICHAEL 2 fills Director Sell 10b5-1 10,000 $67.12 $671.2K 1,313,600 −0.8% of holding
SCHMERTZLER MICHAEL Director Sell 10b5-1 10,000 $67.34 $673.4K 1,316,594 −0.8% of holding
SCHMERTZLER MICHAEL 2 fills Director Sell 10b5-1 10,000 $67.84 $678.4K 1,327,166 −0.7% of holding
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

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.