Seth Alpna
SEC Form 4 insider trading activity
Seth Alpna has filed 3 SEC Form 4 filings (3 transaction rows) across 2 companies, including KROS, TECH, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Jun 5, 2026.
On the most recent filing, Seth Alpna is listed as Director at Keros Therapeutics, Inc. Inside the rolling window, Seth Alpna reported no open-market purchases and 1 open-market sale totaling $28K in KROS.
Companies traded
Other insiders at KROS
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$28K
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Seth Alpna made?
Seth Alpna has filed 3 SEC Form 4 filings (3 transaction rows) across 2 companies, including KROS, TECH since 2025.
Which companies does Seth Alpna trade?
Seth Alpna has filed SEC Form 4 disclosures for 2 companies, including KROS, TECH.
When was Seth Alpna's most recent SEC Form 4 filing?
Seth Alpna's most recent SEC Form 4 filing on Tracefour is dated Jun 5, 2026.
What is Seth Alpna's total buy and sell value in the current window?
Inside the rolling retention window, Seth Alpna bought $0 and sold $28K based on SEC Form 4 filings.
What was Seth Alpna's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 2,625 KROS shares on 2026-06-04, worth $28K, per SEC Form 4 filings.