Burbach Gerhard F (CIK 1307313) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-05). Recent activity: Buy SGHT (28,261 shares), Sell BWXT (1,983 shares), Buy SGHT (74,766 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-05 | Sight Sciences, Inc. (SGHT) | Director | Buy | 28,261 | $0 |
| 2026-02-27 | BWX Technologies, Inc. (BWXT) | Director | Sell | 1,983 | $413,674 |
| 2025-05-14 | Sight Sciences, Inc. (SGHT) | Director | Buy | 74,766 | $0 |
Source: SEC Form 4 filings · as of 2026-06-05