The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Bitfury Group Ltd since 2023.
This trader's CIK number is 1887872.
At the time of last reporting, Bitfury Group Ltd was the 10% Owner of Cipher Mining Inc.. (stock ticker symbol CIFR).
Also see all insider trading activities at Cipher Mining Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | CIFR | 0 | $0 | 10,225,178 | $67,141,742 | 0 | $0 |
| 2024 | CIFR | 0 | $0 | 20,616,742 | $81,536,092 | 0 | $0 |
| 2023 | CIFR | 0 | $0 | 10,000,000 | $29,500,000 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-09-03 | CIFR | Sale | 600,000 | 8.30 | 4,980,000 |
| 2025-09-02 | CIFR | Sale | 600,000 | 8.13 | 4,878,000 |
| 2025-08-28 | CIFR | Sale | 600,000 | 7.11 | 4,266,000 |
| 2025-08-29 | CIFR | Sale | 600,000 | 7.74 | 4,641,000 |
| 2025-08-26 | CIFR | Sale | 700,000 | 6.81 | 4,767,000 |
| 2025-08-27 | CIFR | Sale | 500,000 | 7.07 | 3,535,000 |
| 2025-07-30 | CIFR | Sale | 369,984 | 5.61 | 2,075,610 |
| 2025-07-29 | CIFR | Sale | 66,049 | 6.06 | 400,256 |
| 2025-07-25 | CIFR | Sale | 500,000 | 6.45 | 3,225,000 |
| 2025-07-28 | CIFR | Sale | 500,000 | 6.19 | 3,095,000 |
| 2025-07-23 | CIFR | Sale | 500,000 | 6.55 | 3,275,000 |
| 2025-07-24 | CIFR | Sale | 500,000 | 6.68 | 3,340,000 |
| 2025-07-14 | CIFR | Sale | 667,010 | 6.11 | 4,075,431 |
| 2025-07-15 | CIFR | Sale | 289,145 | 6.06 | 1,752,218 |
| 2025-07-11 | CIFR | Sale | 432,990 | 6.13 | 2,654,228 |
| 2025-07-10 | CIFR | Sale | 600,000 | 6.27 | 3,761,999 |
| 2025-07-09 | CIFR | Sale | 600,000 | 6.17 | 3,702,000 |
| 2025-07-08 | CIFR | Sale | 600,000 | 6.08 | 3,648,000 |
| 2025-07-01 | CIFR | Sale | 500,000 | 4.86 | 2,430,000 |
| 2025-07-02 | CIFR | Sale | 500,000 | 5.28 | 2,640,000 |
| 2024-12-17 | CIFR | Sale | 3,120 | 7.55 | 23,556 |
| 2024-12-05 | CIFR | Sale | 91,982 | 7.23 | 665,029 |
| 2024-12-06 | CIFR | Sale | 177,031 | 7.38 | 1,306,488 |
| 2024-11-29 | CIFR | Sale | 277,618 | 7.17 | 1,990,521 |
| 2024-11-07 | CIFR | Sale | 300,000 | 6.60 | 1,980,000 |
| 2024-10-28 | CIFR | Sale | 1,000,000 | 6.22 | 6,220,000 |
| 2024-09-06 | CIFR | Sale | 1,901,112 | 2.75 | 5,218,552 |
| 2024-09-09 | CIFR | Sale | 1,901,112 | 2.87 | 5,456,191 |
| 2024-09-10 | CIFR | Sale | 1,997,304 | 2.96 | 5,922,006 |
| 2024-09-04 | CIFR | Sale | 1,901,112 | 3.02 | 5,741,358 |
| 2024-09-05 | CIFR | Sale | 1,901,112 | 2.92 | 5,560,752 |
| 2024-07-19 | CIFR | Sale | 261,847 | 6.17 | 1,615,595 |
| 2024-07-18 | CIFR | Sale | 609,644 | 6.61 | 4,029,746 |
| 2024-06-27 | CIFR | Sale | 478,606 | 4.17 | 1,995,787 |
| 2024-06-28 | CIFR | Sale | 490,275 | 4.12 | 2,019,933 |
| 2024-06-26 | CIFR | Sale | 466,915 | 4.30 | 2,007,734 |
| 2024-06-25 | CIFR | Sale | 454,073 | 4.26 | 1,934,350 |
| 2024-06-24 | CIFR | Sale | 443,830 | 4.33 | 1,921,783 |
| 2024-06-18 | CIFR | Sale | 388,167 | 4.80 | 1,863,201 |
| 2024-06-20 | CIFR | Sale | 394,357 | 5.54 | 2,184,737 |
| 2024-06-21 | CIFR | Sale | 416,793 | 4.51 | 1,879,736 |
| 2024-06-17 | CIFR | Sale | 376,320 | 4.82 | 1,813,862 |
| 2024-06-14 | CIFR | Sale | 366,042 | 5.00 | 1,830,210 |
| 2024-06-13 | CIFR | Sale | 349,519 | 4.95 | 1,730,119 |
| 2024-06-11 | CIFR | Sale | 308,506 | 4.07 | 1,255,619 |
| 2024-06-12 | CIFR | Sale | 336,377 | 4.58 | 1,540,606 |
| 2024-06-10 | CIFR | Sale | 319,747 | 4.21 | 1,346,134 |
| 2024-06-06 | CIFR | Sale | 298,950 | 4.16 | 1,243,632 |
| 2024-06-05 | CIFR | Sale | 299,953 | 3.91 | 1,172,816 |
| 2024-06-04 | CIFR | Sale | 302,841 | 3.77 | 1,141,710 |
| 2024-05-30 | CIFR | Sale | 298,778 | 3.73 | 1,114,441 |
| 2024-05-31 | CIFR | Sale | 303,006 | 3.69 | 1,118,092 |
| 2024-06-03 | CIFR | Sale | 308,973 | 3.72 | 1,149,379 |
| 2024-05-28 | CIFR | Sale | 296,357 | 3.99 | 1,182,464 |
| 2024-05-29 | CIFR | Sale | 300,552 | 3.85 | 1,157,125 |
| 2024-05-24 | CIFR | Sale | 294,811 | 4.08 | 1,202,828 |
| 2023-11-09 | CIFR | Sale | 10,000,000 | 2.95 | 29,500,000 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Bitfury Group Ltd (10% Owner of Cipher Mining Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.