Deykin Aaron
Chief Medical Officer
Deykin Aaron has filed 4 SEC Form 4 filings (4 transaction rows) across 1 company, with disclosures dating back to 2026. 4 of those filings fall inside the rolling window. Most recent filing: Sep 17, 2026.
On the most recent filing, Deykin Aaron is listed as Chief Medical Officer at Upstream Bio, Inc. Inside the rolling window, Deykin Aaron reported no open-market purchases and 3 open-market sales totaling $19K in UPB. The largest disclosed transaction in the window is a sale of 894 UPB shares on Mar 16, 2026, worth $8K.
Companies traded
Other insiders at UPB
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$19K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Deykin Aaron made?
Deykin Aaron has filed 4 SEC Form 4 filings (4 transaction rows) across 1 company since 2026.
Which companies does Deykin Aaron trade?
Deykin Aaron has filed SEC Form 4 disclosures for 1 company, including UPB.
When was Deykin Aaron's most recent SEC Form 4 filing?
Deykin Aaron's most recent SEC Form 4 filing on Tracefour is dated Sep 17, 2026.
What is Deykin Aaron's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Deykin Aaron is listed as Chief Medical Officer.
What is Deykin Aaron's total buy and sell value in the current window?
Inside the rolling retention window, Deykin Aaron bought $0 and sold $19K based on SEC Form 4 filings.
What was Deykin Aaron's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 894 UPB shares on 2026-03-16, worth $8K, per SEC Form 4 filings.