← Back to Intel
Insider ActivityPLUG
HELMER MAUREEN O, Director at PLUG POWER INC, sold $162K of PLUG
Updated Jun 17, 2026
HELMER MAUREEN O
Director
PLUG POWER INC ·
$PLUG
Transaction Details
| Insider | HELMER MAUREEN O |
|---|---|
| Title | Director |
| Company | PLUG POWER INC |
| Ticker | PLUG |
| Transaction Type | Sale |
| Transaction Date | 2026-06-08 |
| Shares Traded | 50,000 |
| Price Per Share | $3.2324 |
| Total Value | $162K |
| Filed Date | 2026-06-10 |
| Accession Number | 0001104659-26-072322 |
Ownership Context
| Shares Owned After Transaction | 321,565 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001104659-26-072322
Other Insider Trades — PLUG
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| MCNAMEE GEORGE C | Director | traded | — | 2026-06-11 |
| Kenausis Gregory | Director | traded | — | 2026-06-11 |
| Joggerst Patrick | Director | traded | — | 2026-06-11 |
| HELMER MAUREEN O | Director | traded | — | 2026-06-11 |
| BONNEY MARK J | Director | traded | — | 2026-06-11 |
| Angle Colin M | Director | traded | — | 2026-06-11 |
| WILLIS GARY K | Director | traded | — | 2026-06-11 |
| Joggerst Patrick | Director | traded | $20K | 2026-04-01 |
| BONNEY MARK J | Director | traded | $24K | 2026-04-01 |
| Kenausis Gregory | Director | traded | $20K | 2026-04-01 |
Other Trades by HELMER MAUREEN O
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| PLUG | PLUG POWER INC | traded | — | 2026-06-11 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for PLUG — PLUG POWER INC →
Whisper Score — PLUG
41.49
Active Discussion
Current Whisper Score
Track PLUG insider activity in real time on The Wire →
Get alerts when HELMER MAUREEN O files new trades — Go Pro →
Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 17, 2026 at 07:02 UTC