Jeffrey Keyser Insider Profile
4 Followers
Jeffrey Keyser, COO at ZS Pharma, holds 94.30K shares in Lantern Pharma (Ticker: LTRN), holds 0.00 shares in ZS Pharma (Ticker: ZSPH). Most recently, Jeffrey Keyser Bought ― shares of Lantern Pharma on May 14, 2026 for an estimated value of $100.00K.
Profitable Transactions
2 out of 3 Profitable Transactions
Average Return
+5.30%
Average return per transaction
Time Frame
Compare to
Insider Roles
Director
Roles that Jeffrey Keyser holds in companies
Most Profitable Insider Trade
The most profitable trade made by Jeffrey Keyser
Jeffrey Keyser's Trading History
ZS Pharma
Dec 21, 2015
―
Uninformative Sell
1.11M
$0.00
Lantern Pharma
May 14, 2026
Director
Informative Buy
100.00K
$361.18K
List of latest transactions for each holding click on a transaction to see Jeffrey Keyser's performance on stock
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Jeffrey Keyser insider profile FAQ
What is the percentage of profitable transactions made by Jeffrey Keyser?
The percentage of profitable transactions made by Jeffrey Keyser is 67%.
What is the average return per transaction made by Jeffrey Keyser?
The average return per transaction made by Jeffrey Keyser is 5.30%.
What stocks does Jeffrey Keyser hold?
Jeffrey Keyser holds: ZSPH, LTRN stocks.
What was Jeffrey Keyser’s latest transaction?
Jeffrey Keyser latest transaction was an Informative Buy of $100.00K.
What was Jeffrey Keyser's most profitable transaction?
Jeffrey Keyser’s most profitable transaction was an Informative Buy of LTRN stock on May 14, 2026. The return on the trade was 21.00%.
What is Jeffrey Keyser's role in ZS Pharma?
Jeffrey Keyser's role in ZS Pharma is COO.
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