David Tierney

(Dr. David Tierney)

Currently holds a position at KemPharm Inc

Positions

Position Company Period
Independent Director KemPharm Inc March 1, 2015 -
David Tierney's trades of Catalyst Pharmaceuticals Inc's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2024-08-23 2024-08-21
S Sale
15,000 -4.1%
20.10
USD 301,455 		15,000 -4.1% 20.10 USD 301,455
2024-04-10 2024-04-08
S Sale
25,000 -6.7%
15.68
USD 392,000 		25,000 -6.7% 15.68 USD 392,000
2023-12-14 2023-12-12
S Sale
50,000 -13.0%
13.33
USD 666,250 		50,000 -13.0% 13.33 USD 666,250
2023-04-07 2023-04-05
S Sale
30,000 -8.7%
16.83
USD 504,900 		30,000 -8.7% 16.83 USD 504,900
2023-03-13 2023-03-09
US KemPharm Inc (KMPH)
B Purchase
5,000 +85.7%
4.15
USD 20,732 		5,000 +85.7% 4.15 USD 20,732
2022-08-23 2022-08-22
S Sale
20,000 -6.1%
14.16
USD 283,180 		20,000 -6.1% 14.16 USD 283,180
2022-05-26 2022-05-25
US KemPharm Inc (KMPH)
B Purchase
2,000 +52.2%
4.39
USD 8,780 		2,000 +52.2% 4.39 USD 8,780
2022-05-24 2022-05-20
S Sale
20,000
0.00
USD 0 		20,000 0.00 USD 0
2021-11-30 2021-11-30
US KemPharm Inc (KMPH)
B Purchase
2,000 +109.0%
7.79
USD 15,578 		2,000 +109.0% 7.79 USD 15,578
2021-08-17 2021-08-13
S Sale
50,000 -14.0%
6.08
USD 303,895 		50,000 -14.0% 6.08 USD 303,895
2020-08-18 2020-08-18
US KemPharm Inc (KMPH)
B Purchase
1,000 +3.5%
0.67
USD 665 		1,000 +3.5% 0.67 USD 665
2020-08-18 2020-08-18
US KemPharm Inc (KMPH)
B Purchase
4,500 +18.9%
0.66
USD 2,970 		4,500 +18.9% 0.66 USD 2,970
2020-08-18 2020-08-18
US KemPharm Inc (KMPH)
B Purchase
2,000 +9.1%
0.65
USD 1,290 		2,000 +9.1% 0.65 USD 1,290
2020-08-18 2020-08-18
US KemPharm Inc (KMPH)
B Purchase
2,500 +12.9%
0.64
USD 1,607 		2,500 +12.9% 0.64 USD 1,607
2017-03-21 2017-03-20
US KemPharm Inc (KMPH)
B Purchase
1,000 +20.0%
4.20
USD 4,200 		1,000 +20.0% 4.20 USD 4,200
2015-05-12 2015-04-21
US KemPharm Inc (KMPH)
B Purchase
5,000 +inf%
11.00
USD 55,000 		5,000 +inf% 11.00 USD 55,000
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