PFEIFFER DAVID F

CIK 00012339341 companyNEWTOWN, PA

SEC Profile

Transactions

Companies

Filings

CIK

0001233934

Recent Transactions

50 trades

Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Option to purchase common stock
2008-02-04−6,667→ 289,500 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2008-02-04$6.25/sh+6,667→ 18,167 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2008-02-04$12.28/sh−6,667→ 11,500 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Option to purchase common stock
2008-01-22−6,666→ 302,834 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2008-01-22$10.88/sh−6,666→ 11,500 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2008-01-22$6.25/sh+6,666→ 18,166 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.74/sh−1,200→ 14,600 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.68/sh−300→ 21,100 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.72/sh−52→ 16,300 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.69/sh−382→ 20,718 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Option to purchase common stock
2007-07-02−10,000→ 329,500 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.73/sh−500→ 15,800 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.70/sh−2,660→ 18,058 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.66/sh−100→ 21,400 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.97/sh−900→ 11,500 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.96/sh−600→ 12,400 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.71/sh−1,706→ 16,352 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$10.63/sh+10,000→ 21,500 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-07-02$12.94/sh−200→ 13,300 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$12.39/sh−100→ 11,860 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$12.29/sh−2,265→ 19,235 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$12.42/sh−60→ 11,500 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Option to purchase common stock
2007-06-25−10,000→ 339,500 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$12.34/sh−200→ 14,900 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$10.63/sh+10,000→ 21,500 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$12.30/sh−1,700→ 17,535 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$12.31/sh−1,800→ 15,735 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$12.36/sh−1,100→ 12,000 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$12.41/sh−300→ 11,560 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$12.38/sh−40→ 11,960 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-25$12.32/sh−635→ 15,100 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$12.25/sh−3,200→ 13,700 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$12.27/sh−560→ 13,040 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$12.21/sh−600→ 18,997 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$12.24/sh−1,097→ 16,900 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$12.29/sh−536→ 12,504 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$12.19/sh−363→ 21,037 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$12.23/sh−900→ 17,997 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$12.30/sh−404→ 12,100 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Option to purchase common stock
2007-06-18−10,000→ 349,500 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$10.63/sh+10,000→ 21,500 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$12.18/sh−100→ 21,400 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-18$12.20/sh−1,440→ 19,597 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Option to purchase common stock
2007-06-11−10,000→ 359,400 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-11$12.04/sh−200→ 12,000 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-11$12.05/sh−900→ 16,400 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-11$12.06/sh−1,000→ 17,300 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-11$12.00/sh−800→ 20,700 total
Sale
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-11$12.08/sh−3,028→ 12,900 total
Exercise/Conversion
COLLAGENEX PHARMACEUTICALS INC
Common Stock
2007-06-11$10.63/sh+10,000→ 21,500 total

Companies

COLLAGENEX PHARMACEUTICALS INC
Sr. VP, Sales and Marketing

Recent Filings

Address

COLLAGENEX PHARMACEUTICALS, INC. 41 UNIVERSITY DRIVE, SUITE 200

NEWTOWN, PA, 18940

View on SEC.gov