R. La Duane Clifton Kempharm, Inc (KMPH) insider trading activity

R. La Duane Clifton is of KEMPHARM, INC. Currently has a direct ownership of 143,515 shares of KMPH, which is worth approximately $708,964. The most recent transaction as insider was on Dec 31, 2025, when has been sold 48,513 shares (Common Stock) at a price of $8.96 per share, resulting in proceeds of $434,676. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 144K

179.42% 3M change

677.06% 12M change

Total Value Held $708,964

R. LaDuane Clifton Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 31 2025	SELL Payment of exercise price or tax liability	$434,676 $8.96 p/Share	48,513 Reduced 25.26%	143,515 Common Stock
Dec 31 2025	BUY Exercise of conversion of derivative security	-	140,667 Added 42.28%	192,028 Common Stock
Feb 13 2025	SELL Open market or private sale	$86,460 $7.86 p/Share	11,000 Reduced 17.64%	51,361 Common Stock
Jan 31 2025	BUY Exercise of conversion of derivative security	-	43,333 Added 41.0%	62,361 Common Stock
Jul 17 2024	BUY Open market or private purchase	$13,540 $6.77 p/Share	2,000 Added 9.77%	18,469 Common Stock
Sep 06 2023	BUY Open market or private purchase	$4,960 $4.96 p/Share	1,000 Added 6.13%	15,309 Common Stock
May 18 2023	BUY Open market or private purchase	$13,563 $4.95 p/Share	2,740 Added 16.62%	13,742 Common Stock

Mar 10 2023	BUY Open market or private purchase	$7,158 $4.15 p/Share	1,725 Added 13.55%	11,002 Common Stock
Jan 13 2023	BUY Open market or private purchase	$3,619 $5.7 p/Share	635 Added 6.41%	9,277 Common Stock
Sep 30 2022	BUY Open market or private purchase	$5,980 $5.98 p/Share	1,000 Added 10.98%	8,109 Common Stock
May 18 2022	BUY Open market or private purchase	$6,000 $5.0 p/Share	1,200 Added 15.71%	6,440 Common Stock
Nov 18 2021	BUY Open market or private purchase	$4,228 $8.29 p/Share	510 Added 8.87%	5,240 Common Stock
Sep 29 2021	BUY Open market or private purchase	$2,017 $9.38 p/Share	215 Added 4.35%	4,730 Common Stock
Sep 20 2021	BUY Open market or private purchase	$8,032 $8.59 p/Share	935 Added 17.16%	4,515 Common Stock
Sep 01 2021	BUY Open market or private purchase	$2,095 $9.11 p/Share	230 Added 6.04%	3,580 Common Stock
Jun 23 2021	BUY Open market or private purchase	$1,058 $14.11 p/Share	75 Added 2.19%	3,350 Common Stock
May 27 2021	BUY Open market or private purchase	$1,478 $9.85 p/Share	150 Added 4.38%	3,275 Common Stock

RLC

R. La Duane Clifton

Celebration, FL

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