Posard Matthew L.
SEC Form 4 insider trading activity
Posard Matthew L. has filed 3 SEC Form 4 filings (9 transaction rows) across 1 company, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Oct 2, 2026.
On the most recent filing, Posard Matthew L. is listed as Director at HALOZYME THERAPEUTICS, INC. Inside the rolling window, Posard Matthew L. reported no open-market purchases and 2 open-market sales totaling $2.6M in HALO. The largest disclosed transaction in the window is a sale of 18,996 HALO shares on Sep 16, 2026, worth $2.0M.
Companies traded
Other insiders at HALO
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$2.6M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Posard Matthew L. made?
Posard Matthew L. has filed 3 SEC Form 4 filings (9 transaction rows) across 1 company since 2026.
Which companies does Posard Matthew L. trade?
Posard Matthew L. has filed SEC Form 4 disclosures for 1 company, including HALO.
When was Posard Matthew L.'s most recent SEC Form 4 filing?
Posard Matthew L.'s most recent SEC Form 4 filing on Tracefour is dated Oct 2, 2026.
What is Posard Matthew L.'s total buy and sell value in the current window?
Inside the rolling retention window, Posard Matthew L. bought $0 and sold $2.6M based on SEC Form 4 filings.
What was Posard Matthew L.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 18,996 HALO shares on 2026-09-16, worth $2.0M, per SEC Form 4 filings.