| X | Filing Date | Trade Date | Ticker | Insider Name | Title | Trade Type | Price | Qty | Owned | ΔOwn | Value | 1d | 1w | 1m | 6m | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-01-27 | OSIS | Chizever Gerald M | Dir | S - Sale | $195.83 | -2,701 | 9,276 | -23% | -$528,937 | ||||||
| 2024-11-07 | OSIS | Chizever Gerald M | Dir | S - Sale | $148.16 | -2,000 | 11,977 | -14% | -$296,320 | ||||||
| 2024-09-11 | OSIS | Chizever Gerald M | Dir | S - Sale | $138.41 | -3,000 | 13,977 | -18% | -$415,230 | ||||||
| 2024-05-08 | OSIS | Chizever Gerald M | Dir | S - Sale | $134.11 | -3,000 | 15,574 | -16% | -$402,330 | 
| A | Amended filing | 
| D | Derivative transaction in filing (usually option exercise) | 
| E | Error detected in filing | 
| M | Multiple transactions in filing; earliest reported transaction date and weighted average transaction price | 
| S - Sale | Sale of securities on an exchange or to another person | 
| S - Sale+OE | Sale of securities on an exchange or to another person (after option exercise) | 
| F - Tax | Payment of exercise price or tax liability using portion of securities received from the company | 
| P - Purchase | Purchase of securities on an exchange or from another person |