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Trade Date*
Filing Date*
Insider Name
Buy/Sell
Company Name
Ticker
Price*
Amount
Shares Change
Dec 22, 2022
Dec 28, 2022
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$23.58
$590,451
-47.19%
Dec 19, 2022
Dec 22, 2022
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$23.09
$2M
-74.98%
Dec 12, 2022
Dec 14, 2022
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$22.14
$4M
-87.12%
Mar 15, 2021
Mar 17, 2021
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$25.3
$1M
-92.52%
Aug 11, 2020
Aug 12, 2020
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$19.13
$250,048
-19.45%
May 13, 2020
May 15, 2020
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$21.63
$416,421
-19.05%
Jan 21, 2020
Jan 22, 2020
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$21.93
$6M
-73.58%
Jul 15, 2019
Jul 17, 2019
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$11.26
$281,500
-15.92%
Jun 17, 2019
Jun 19, 2019
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$11.37
$284,246
-13.73%
May 15, 2019
May 17, 2019
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$12.84
$321,042
-12.07%
May 09, 2019
May 13, 2019
Heffernan Michael Thomas
Dir
Buy
Trevi Therapeutics, Inc.
TRVI
$10
$25,000
+28.25%
Apr 15, 2019
Apr 17, 2019
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$15.09
$377,366
-11.00%
Mar 15, 2019
Mar 19, 2019
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$17.17
$429,250
-9.91%
Feb 15, 2019
Feb 20, 2019
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$14.81
$370,224
-9.01%
Jan 15, 2019
Jan 17, 2019
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$15.56
$389,000
-8.04%
Dec 17, 2018
Dec 18, 2018
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$18.18
$454,491
-7.44%
Nov 15, 2018
Nov 16, 2018
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$16.6
$415,122
-6.93%
Oct 15, 2018
Oct 17, 2018
Heffernan Michael Thomas
Dir
Sell
Collegium Pharmaceutical, Inc
COLL
$16.53
$413,250
-6.48%
Jun 11, 2018
Jun 13, 2018
Heffernan Michael Thomas
COB
Pres
CEO
Sell
Collegium Pharmaceutical, Inc
COLL
$25.27
$4M
-27.85%
May 10, 2018
May 14, 2018
Heffernan Michael Thomas
COB
Pres
CEO
Sell
Collegium Pharmaceutical, Inc
COLL
$26.21
$186,100
-1.30%
Apr 19, 2018
Apr 23, 2018
Heffernan Michael Thomas
COB
Pres
CEO
Sell
Collegium Pharmaceutical, Inc
COLL
$26
$1M
-7.52%
Jan 22, 2018
Jan 23, 2018
Heffernan Michael Thomas
COB
Pres
CEO
Sell
Collegium Pharmaceutical, Inc
COLL
$25.01
$500,164
-1.86%
Jan 19, 2018
Jan 19, 2018
Heffernan Michael Thomas
COB
Pres
CEO
Sell
Collegium Pharmaceutical, Inc
COLL
$22.5
$450,000
-3.58%
Nov 15, 2017
Nov 18, 2017
Heffernan Michael Thomas
COB
Pres
CEO
Sell
Collegium Pharmaceutical, Inc
COLL
$15.53
$776,500
-8.21%