Helmer Maureen O insider trades
Helmer Maureen O has filed 26 Form 4s with the SEC that we hold, all for Plug Power INC (PLUG), as Director. Across all of them we count 0 purchases worth $0 and 1 sale worth $161.5K reported on Form 4. In the last 12 months: 0 purchases ($0) and 1 sale ($161.5K). The largest single trade was a sale of 50,000 shares of Plug Power INC worth $161.5K, dated 2026-06-08. The first filing on our record is dated 2021-07-21 and the latest 2026-06-16.
Plug Power INC (PLUG)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2026-06-08 | S, sale reported on Form 4 | 50,000 | $161.5K | 2026-06-10 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1279977) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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