Ballhaus William Francis JR (CIK 1490925) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-11-06). Recent activity: Sell OSIS (750 shares), Sell OSIS (562 shares), Buy OSIS (1,007 shares), Buy OSIS (1,007 shares), Buy OSIS (1,007 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-11-06 | OSI SYSTEMS INC (OSIS) | Director | Sell | 750 | $0 |
| 2025-09-15 | OSI SYSTEMS INC (OSIS) | Director | Sell | 562 | $133,666 |
| 2025-08-22 | OSI SYSTEMS INC (OSIS) | Director | Buy | 1,007 | $224,954 |
| 2025-08-22 | OSI SYSTEMS INC (OSIS) | Director | Buy | 1,007 | $224,954 |
| 2025-08-22 | OSI SYSTEMS INC (OSIS) | Director | Buy | 1,007 | $224,954 |
| 2025-07-18 | OSI SYSTEMS INC (OSIS) | Director | Sell | 113 | $0 |
| 2025-05-22 | OSI SYSTEMS INC (OSIS) | Director | Sell | 750 | $171,660 |
| 2025-05-07 | OSI SYSTEMS INC (OSIS) | Director | Sell | 933 | $205,045 |
| 2025-02-11 | OSI SYSTEMS INC (OSIS) | Director | Sell | 750 | $0 |
Source: SEC Form 4 filings · as of 2025-11-06