Donald K Grierson is of PTC INC.. Currently has a direct ownership of 42,426 shares of PTC, which is worth approximately $8.39 Million. The most recent transaction as insider was on Mar 07, 2012, when has been sold 9,014 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 42.4K
0% 3M change
0% 12M change
Total Value Held $8.39 Million

DONALD K GRIERSON Transaction History

Date Transaction Value Shares Traded Shares Held Form
Mar 07 2012
BUY
Grant, award, or other acquisition
-
9,014 Added 8.59%
95,937 Common Stock
Jan 30 2012
SELL
Open market or private sale
$376,500 $25.1 p/Share
15,000 Reduced 14.72%
86,923 Common Stock
Jan 30 2012
BUY
Exercise of conversion of derivative security
$127,500 $8.5 p/Share
15,000 Added 12.83%
101,923 Common Stock
Sep 08 2011
SELL
Open market or private sale
$334,600 $16.73 p/Share
20,000 Reduced 18.71%
86,923 Common Stock
Sep 08 2011
BUY
Exercise of conversion of derivative security
$251,400 $12.57 p/Share
20,000 Added 15.76%
106,923 Common Stock
Sep 07 2011
SELL
Open market or private sale
$170,700 $17.07 p/Share
10,000 Reduced 10.32%
86,923 Common Stock
Sep 07 2011
BUY
Exercise of conversion of derivative security
$125,700 $12.57 p/Share
10,000 Added 9.35%
96,923 Common Stock
May 10 2011
SELL
Open market or private sale
$231,200 $23.12 p/Share
10,000 Reduced 10.32%
86,923 Common Stock
May 10 2011
BUY
Exercise of conversion of derivative security
$125,700 $12.57 p/Share
10,000 Added 9.35%
96,923 Common Stock
Mar 09 2011
BUY
Grant, award, or other acquisition
-
10,103 Added 10.41%
86,923 Common Stock
DKG

Donald K Grierson

Sarasota, FL

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