HELMER MAUREEN O — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

HELMER MAUREEN O has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $162K.

Profile

HELMER MAUREEN O
RoleDirector
Notability20/100

Board memberships

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-16PLUGPLUG POWER INCA — Grant or award39.8K$0.00
2026-06-10PLUGPLUG POWER INCS — Open-market sale50.0K$3.23$162K
2025-10-01PLUGPLUG POWER INCA — Grant or award11.8K$2.33$28K
2025-07-03PLUGPLUG POWER INCA — Grant or award76.5K$0.00
2025-07-01PLUGPLUG POWER INCA — Grant or award18.5K$1.49$27K
2025-04-01PLUGPLUG POWER INCA — Grant or award20.4K$1.35$27K
2024-10-03PLUGPLUG POWER INCA — Grant or award12.2K$2.26$27K

Companies — Last 90 Days

Frequently Asked Questions

Who is HELMER MAUREEN O?

HELMER MAUREEN O is a corporate insider — currently tracked as Director of PLUG POWER INC (PLUG). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has HELMER MAUREEN O submitted recently?

2 primary Form 4 filings in the last 90 days, covering 1 company.

Has HELMER MAUREEN O been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 1 open-market sales ($162K) across all tracked filings.

Where can I see all of HELMER MAUREEN O's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live HELMER MAUREEN O profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.