Henn Matthew R
See Remarks
Henn Matthew R has filed 4 SEC Form 4 filings (10 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Aug 18, 2026.
On the most recent filing, Henn Matthew R is listed as See Remarks at Seres Therapeutics, Inc. Inside the rolling window, Henn Matthew R reported no open-market purchases and 4 open-market sales totaling $23K in MCRB. The largest disclosed transaction in the window is a sale of 1,257 MCRB shares on Nov 15, 2025, worth $22K.
Companies traded
Other insiders at MCRB
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$23K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Henn Matthew R made?
Henn Matthew R has filed 4 SEC Form 4 filings (10 transaction rows) across 1 company since 2025.
Which companies does Henn Matthew R trade?
Henn Matthew R has filed SEC Form 4 disclosures for 1 company, including MCRB.
When was Henn Matthew R's most recent SEC Form 4 filing?
Henn Matthew R's most recent SEC Form 4 filing on Tracefour is dated Aug 18, 2026.
What is Henn Matthew R's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Henn Matthew R is listed as See Remarks.
What is Henn Matthew R's total buy and sell value in the current window?
Inside the rolling retention window, Henn Matthew R bought $0 and sold $23K based on SEC Form 4 filings.
What was Henn Matthew R's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 1,257 MCRB shares on 2025-11-15, worth $22K, per SEC Form 4 filings.