35 transactions on file (4 open-market purchases and 0 open-market sales).
| Date | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-03-05 | Stratmann Philipp President and CEO · Director Tax withholding | Tax withholding | −29,736.168 | $13.15 | −391.08K | 63,767.748 |
| 2026-03-05 | PAGLIARA TRACY D Senior VP and General Counsel Tax withholding | Tax withholding | −10,655.601 | $13.15 | −140.14K | 28,325.649 |
| 2026-03-05 | Powers Robert Patrick Senior VP and CFO Tax withholding | Tax withholding | −14,439.15 | $13.15 | −189.9K | 34,225.257 |
| 2026-01-30 | Stratmann Philipp President and CEO · Director Grant / award | Grant / award | +3,305.346 | - | - | 77,243.133 |
| 2026-01-30 | Stratmann Philipp President and CEO · Director Grant / award | Grant / award | +3,306.534 | - | - | 80,549.667 |
30 more transactions are on Measure
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| Insider | Role | On Sep 23, 2025 | Now | Change | Sold | Shape |
|---|---|---|---|---|---|---|
| Stratmann PhilippPresident and CEO, Director | President and CEO, Director | 16,644.936 | 17,108.52 | +2.79% | - | |
| Powers Robert PatrickCFO | CFO | 8,362.497 | 8,848.356 | +5.81% | - |
What each insider held after every open-market trade, over the last twelve months.
The assistant answers from what OPTT has actually filed: 16 annual reports filed with the SEC, 34 Form 4 filings from the last year and 1 fund that holds it. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.
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Source
From SEC Form 4 filings, filed within two business days of a transaction.
Past transactions say nothing about future ones, and none of this is investment advice.
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Watch OPTT and every open-market Form 4 worth a row (a purchase, a senior officer's sale, anything at a million dollars) lands in the bell and a daily email, with the 10b5-1 word on it when the filing says so. Free.
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Every Form 4 OPTT insiders file, not just the latest handful, with vesting and tax withholding struck out so what's left reads as a decision.
Every filingMeasure
Follow the investors who hold it
Each stake priced at the quarter it was filed, and diffed against the quarter before: how big a bet it is for them, and by how much it moved.
Every position, sizedMeasure
Ask what a run of filings adds up to
Whether this is one decision or a pattern, and how it compares with OPTT's own history of insider activity.
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The table above says who traded. This says what OPTT did over the following 30, 90 and 180 days after each open-market purchase and sale, from this company’s own record rather than a study about companies in general, and with the number of transactions shown beside every average.
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