Ownership history in Penbrook Management LLC · 4 quarters on record
This page tracks every 13F SEC filing in which Penbrook Management LLC reported a position in OCEAN PWR TECHNOLOGIES INC (OPTT). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | UNCHANGED | 15,000 | — | 0% | 0.01% | $8K | $0.50 |
| 2025 Q2 | UNCHANGED | 15,000 | — | 0% | 0.01% | $7K | $0.47 |
| 2025 Q1 | REDUCED | 15,000 | -16,500 | -52.4% | 0.01% | $7K | $0.46 |
| 2024 Q4 | INITIATED | 31,500 | — | — | 0.02% | $32K | $1.02 |
As of 2025 Q4 — sorted by position size