Huang Erke (CIK 2046456) reported 12 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-20). Recent activity: Sell BTBT (200,000 shares), Buy WYFI (7,079 shares), Buy WYFI (41,982 shares), Buy BTBT (750,000 shares), Buy WYFI (66,094 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-20 | Bit Digital, Inc (BTBT) | Chief Financial Officer | Sell | 200,000 | $0 |
| 2026-07-28 | WhiteFiber, Inc. (WYFI) | Chief Financial Officer | Buy | 7,079 | $0 |
| 2026-07-28 | WhiteFiber, Inc. (WYFI) | Chief Financial Officer | Buy | 41,982 | $0 |
| 2026-03-27 | Bit Digital, Inc (BTBT) | Chief Financial Officer | Buy | 750,000 | $0 |
| 2026-03-23 | WhiteFiber, Inc. (WYFI) | Chief Financial Officer | Buy | 66,094 | $0 |
| 2026-01-29 | Bit Digital, Inc (BTBT) | Chief Financial Officer | Buy | 205,000 | $387,450 |
| 2025-11-24 | Bit Digital, Inc (BTBT) | Chief Financial Officer | Sell | 410,636 | $825,378 |
| 2025-11-24 | Bit Digital, Inc (BTBT) | Chief Financial Officer | Sell | 1.1M | $2.4M |
| 2025-10-17 | WhiteFiber, Inc. (WYFI) | Chief Financial Officer | Buy | 88,235 | $0 |
| 2025-10-17 | Bit Digital, Inc (BTBT) | Chief Financial Officer | Buy | 325,000 | $0 |
| 2025-07-29 | Bit Digital, Inc (BTBT) | Chief Financial Officer | Buy | 300,000 | $0 |
| 2025-07-18 | Bit Digital, Inc (BTBT) | Chief Financial Officer | Buy | 255,000 | $0 |
Source: SEC Form 4 filings · as of 2026-08-20