Bitfury Holding B.V. (CIK 1887853) reported 66 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-08). Recent activity: Sell CIFR (977,578 shares), Sell CIFR (222,422 shares), Sell CIFR (1.1M shares), Sell CIFR (624,715 shares), Sell CIFR (28,840 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-08 | Cipher Digital Inc. (CIFR) | 10% Owner | Sell | 977,578 | $24.8M |
| 2026-06-08 | Cipher Digital Inc. (CIFR) | 10% Owner | Sell | 222,422 | $5.8M |
| 2026-06-04 | Cipher Digital Inc. (CIFR) | 10% Owner | Sell | 1.1M | $30.1M |
| 2026-06-04 | Cipher Digital Inc. (CIFR) | 10% Owner | Sell | 624,715 | $17.0M |
| 2026-06-04 | Cipher Digital Inc. (CIFR) | 10% Owner | Sell | 28,840 | $810,404 |
| 2025-10-16 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 1.3M | $27.0M |
| 2025-10-16 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 524,429 | $11.1M |
| 2025-10-16 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 513,259 | $10.5M |
| 2025-10-16 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 1.5M | $31.6M |
| 2025-10-16 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 164,327 | $3.6M |
| 2025-10-16 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 516,058 | $10.5M |
| 2025-10-16 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 19,785 | $417,859 |
| 2025-09-30 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 1.4M | $16.1M |
| 2025-09-30 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 185,914 | $2.3M |
| 2025-09-30 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 1.8M | $21.8M |
| 2025-09-30 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 188,420 | $2.4M |
| 2025-09-30 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 2.0M | $24.8M |
| 2025-09-25 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 899,100 | $12.6M |
| 2025-09-25 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 900 | $13,239 |
| 2025-09-25 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 832,691 | $11.9M |
| 2025-09-25 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 67,309 | $1.0M |
| 2025-09-25 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 1.7M | $19.9M |
| 2025-09-25 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 1.8M | $22.8M |
| 2025-09-25 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 47,114 | $636,981 |
| 2025-09-22 | Cipher Mining Inc. (CIFR) | 10% Owner | Sell | 900,000 | $10.6M |
来源：SEC Form 4 申报文件 · 截至 2026-06-08