Institutional shares held 36.6 Million
4.73M calls
1.25M puts
Total value of holdings $181M
$23.4M calls
$6.19M puts
Market Cap $170M
34,493,600 Shares Out.
Institutional ownership 106.17%
# of Institutions 179


Latest Institutional Activity in KMPH

Top Purchases

Q4 2025
Sg Americas Securities, LLC Shares Held: 13.5K ($66.9K)
Q4 2025
True Wealth Design, LLC Shares Held: 108 ($534)
Q3 2025
Susquehanna International Group, LLP Shares Held: 1.21M ($5.96M)
Q3 2025
Marshall Wace, LLP Shares Held: 912K ($4.51M)
Q3 2025
Royce & Associates LP Shares Held: 691K ($3.41M)

Top Sells

Q4 2025
Gamma Investing LLC Shares Held: 274 ($1.35K)
Q4 2025
Massmutual Trust CO Fsb Shares Held: 445 ($2.2K)
Q3 2025
Adage Capital Partners Gp, L.L.C. Shares Held: 2.23M ($11M)
Q3 2025
Woodline Partners LP Shares Held: 3.48M ($17.2M)
Q3 2025
683 Capital Management, LLC Shares Held: 975K ($4.82M)

About KMPH

KemPharm, Inc., a specialty pharmaceutical company, discovers and develops various proprietary prodrugs to treat serious medical conditions in the United States. The company utilizes its Ligand Activated Therapy technology to generate improved prodrug versions of FDA-approved drugs, as well as to generate prodrug versions of existing compounds that may have applications for new disease indications. Its prodrug product candidate pipeline is focused on the high need areas of attention deficit hyperactivity disorder, stimulant use disorder, and CNS rare diseases, including idiopathic hypersomnia (IH). The company's lead product candidate KP1077 which is under Phase II clinical trial for the treatment of IH and narcolepsy, is based on its prodrug of d-methylphenidate, known as serdexmethylphnidate. It is also developing KP879, a prodrug product candidate for the treatment of stimulant use disorder and is under Phase I clinical trial. In addition, the company has received FDA approval for AZSTARYS, a new once-daily treatment for attention deficit hyperactivity disorder in patents age six years and older, and for APADAZ, an immediate-release combination product containing benzhydrocodone, a prodrug of hydrocodone, and acetaminophen. KemPharm, Inc. has collaboration and license agreement, with KVK-Tech, Inc. and Commave Therapeutics SA. The company was incorporated in 2006 and is headquartered in Celebration, Florida.


Insider Transactions at KMPH

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
619K Shares
From 9 Insiders
Open market or private purchase 38.5K shares
Exercise of conversion of derivative security 581K shares
Sell / Disposition
208K Shares
From 6 Insiders
Open market or private sale 160K shares
Payment of exercise price or tax liability 48.5K shares

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