Why insider trading matters?

Numerous studies have examined whether there is evidence that U.S. insiders systematically trade on private information despite the legal deterrence. The consensus appears to be that insider purchases (but not sales) tend to be followed by positive abnormal stock price performance, particularly for small growth stocks.

- Prof. B. Espen Eckbo, Dartmouth College
PTC INC. (PTC)
Sector: Technology; Industry: Software—Application

PTC Inc. operates as software and services company in the Americas, Europe, and the Asia Pacific. The company operates in two segments, Software Products and Professional Services. The company was formerly known as Parametric Technology Corporation and changed its name to PTC Inc. in January 2013.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2015-05-04 HEPPELMANN JAMES E President and CEO Sell 25,000 $38.61 $965,248 No
2015-02-02 HEPPELMANN JAMES E President and CEO Sell 25,000 $33.11 $827,737 No
2014-11-10 HEPPELMANN JAMES E President and CEO Sell 25,000 $37.12 $928,000 Yes
2014-08-01 HEPPELMANN JAMES E President and CEO Sell 25,000 $35.77 $894,290 No
2014-05-01 HEPPELMANN JAMES E President and CEO Sell 25,000 $35.49 $887,290 No
2014-02-03 HEPPELMANN JAMES E President and CEO Sell 25,000 $34.19 $854,664 No
2013-11-12 HEPPELMANN JAMES E President and CEO Sell 25,000 $32.06 $801,520 Yes
2013-08-01 HEPPELMANN JAMES E President and CEO Sell 39,999 $27.77 $1,110,948 Yes
2013-05-01 HEPPELMANN JAMES E President and CEO Sell 40,000 $23.61 $944,464 Yes
2013-02-01 HEPPELMANN JAMES E President and CEO Sell 40,000 $23.51 $940,268 Yes
2012-11-05 HEPPELMANN JAMES E President and CEO Sell 40,000 $20.97 $838,704 Yes
2012-08-27 HEPPELMANN JAMES E President and CEO Sell 59,998 $21.10 $1,266,090 Yes
2012-05-01 HEPPELMANN JAMES E President and CEO Sell 60,000 $21.86 $1,311,894 Yes
2012-02-01 HEPPELMANN JAMES E President and CEO Sell 60,000 $25.57 $1,534,008 Yes
2011-11-16 HEPPELMANN JAMES E President and CEO Sell 17,113 $21.18 $362,494 Yes
2011-11-01 HEPPELMANN JAMES E President and CEO Sell 89,999 $20.09 $1,808,215 Yes
2011-09-06 HEPPELMANN JAMES E President and CEO Sell 90,000 $16.28 $1,465,119 Yes
2011-05-02 HEPPELMANN JAMES E President and CEO Sell 120,000 $23.77 $2,852,148 Yes
2010-11-08 HEPPELMANN JAMES E President and CEO Sell 50,000 $22.43 $1,121,620 Yes
2010-09-03 HEPPELMANN JAMES E President and COO Sell 50,000 $18.04 $902,050 Yes
2010-04-30 HEPPELMANN JAMES E President and COO Sell 30,000 $18.85 $565,590 Yes
2010-01-29 HEPPELMANN JAMES E President and COO Sell 30,000 $16.76 $502,944 Yes
2009-11-23 HEPPELMANN JAMES E President and COO Sell 42,071 $16.00 $673,195 No

Insider Smart

Altimmune, Inc. (ALT) - Venrock Healthcare Capital Partners III, L.P., 10%-owner of ALT bought 1.3M shares in late May then added another 1.5M shares in June with an averaged ~$8 per share. 10 days after the accumulation, ALT price jumped to $10.

Insider Smart

SYSCO CORP (SYY) - PELTZ NELSON and Frank Joshua D are insiders of SYSCO CORP, check their transactions to see how they sell high and buy low. Would that be more persuasive than just buy or sell?