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Trade Date*
Filing Date*
Insider Name
Buy/Sell
Company Name
Ticker
Price*
Amount
Shares Change
Aug 21, 2024
Aug 23, 2024
Tierney David S
Dir
Sell
Catalyst Pharmaceuticals, Inc.
CPRX
$20.1
$301,455
-4.12%
Apr 08, 2024
Apr 10, 2024
Tierney David S
Dir
Sell
Catalyst Pharmaceuticals, Inc.
CPRX
$15.68
$392,000
-6.69%
Dec 12, 2023
Dec 14, 2023
Tierney David S
Dir
Sell
Catalyst Pharmaceuticals, Inc.
CPRX
$13.33
$666,250
-13.04%
Apr 05, 2023
Apr 07, 2023
Tierney David S
Dir
Sell
Catalyst Pharmaceuticals, Inc.
CPRX
$16.83
$504,900
-8.73%
Mar 09, 2023
Mar 13, 2023
Tierney David S
Dir
Buy
Zevra Therapeutics, Inc.
ZVRA
$4.15
$20,732
+31.58%
Aug 22, 2022
Aug 23, 2022
Tierney David S
Dir
Sell
Catalyst Pharmaceuticals, Inc.
CPRX
$14.16
$283,180
-6.09%
May 25, 2022
May 27, 2022
Tierney David S
Dir
Buy
Kempharm, Inc
KMPH
$4.39
$8,780
+25.53%
May 20, 2022
May 24, 2022
Tierney David S
Dir
Sell
Catalyst Pharmaceuticals, Inc.
CPRX
~
$0
-6.09%
Nov 30, 2021
Nov 30, 2021
Tierney David S
Dir
Buy
Kempharm, Inc
KMPH
$7.79
$15,578
+34.28%
Aug 13, 2021
Aug 17, 2021
Tierney David S
Dir
Sell
Catalyst Pharmaceuticals, Inc.
CPRX
$6.08
$303,895
-14.01%
Aug 18, 2020
Aug 18, 2020
Tierney David S
Dir
Buy
Kempharm, Inc
KMPH
$0.65
$6,532
+25.40%
Sep 19, 2018
Sep 20, 2018
Tierney David S
CEO
Buy
Biopharmx Corp
BPMX
$0.2
$20,250
+1.32%
Mar 20, 2017
Mar 21, 2017
Tierney David S
Dir
Buy
Kempharm, Inc
KMPH
$4.2
$4,200
+14.29%
Apr 21, 2015
May 12, 2015
Tierney David S
Dir
Buy
Kempharm, Inc
KMPH
$11
$55,000
+50.00%
Oct 23, 2013
Oct 25, 2013
Tierney David S
Dir
Buy
Catalyst Pharmaceutical Partners, Inc.
CPRX
$2.03
$16,240
+3.61%