Otto Robert P (CIK 1693863) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-28). Recent activity: Sell BKH (4,109 shares), Buy BKH (1,921 shares), Buy BKH (520 shares), Buy BKH (2,222 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-28 | BLACK HILLS CORP /SD/ (BKH) | Director | Sell | 4,109 | $304,970 |
| 2026-05-04 | BLACK HILLS CORP /SD/ (BKH) | Director | Buy | 1,921 | $0 |
| 2026-02-06 | BLACK HILLS CORP /SD/ (BKH) | Director | Buy | 520 | $0 |
| 2025-05-02 | BLACK HILLS CORP /SD/ (BKH) | Director | Buy | 2,222 | $0 |
Source: SEC Form 4 filings · as of 2026-05-28