HELMER MAUREEN O
SEC Form 4 insider trading activity
HELMER MAUREEN O has filed 4 SEC Form 4 filings (4 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Jun 16, 2026.
On the most recent filing, HELMER MAUREEN O is listed as Director at PLUG POWER INC. Inside the rolling window, HELMER MAUREEN O reported no open-market purchases and 1 open-market sale totaling $162K in PLUG.
Companies traded
Other insiders at PLUG
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$162K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has HELMER MAUREEN O made?
HELMER MAUREEN O has filed 4 SEC Form 4 filings (4 transaction rows) across 1 company since 2025.
Which companies does HELMER MAUREEN O trade?
HELMER MAUREEN O has filed SEC Form 4 disclosures for 1 company, including PLUG.
When was HELMER MAUREEN O's most recent SEC Form 4 filing?
HELMER MAUREEN O's most recent SEC Form 4 filing on Tracefour is dated Jun 16, 2026.
What is HELMER MAUREEN O's total buy and sell value in the current window?
Inside the rolling retention window, HELMER MAUREEN O bought $0 and sold $162K based on SEC Form 4 filings.
What was HELMER MAUREEN O's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 50,000 PLUG shares on 2026-06-08, worth $162K, per SEC Form 4 filings.