Cipher Mining Inc.
US ˙ NasdaqGS ˙ US17253J1060

SecurityCIFR / Cipher Mining Inc.
InsiderBitfury Top HoldCo B.V.
This page shows the track record and history of Bitfury Top HoldCo B.V. insider trades in Cipher Mining Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Bitfury Top HoldCo B.V. in CIFR / Cipher Mining Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CIFR / Cipher Mining Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Bitfury Top HoldCo B.V. in CIFR / Cipher Mining Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2025-09-17 780,897 11.6800 780,897 11.6800 9,120,877 1 11.8500 132,753 1.46
2025-09-17 119,103 12.3700 119,103 12.3700 1,473,304
2025-09-16 725,707 11.1300 725,707 11.1300 8,077,119
2025-09-16 174,293 11.5400 174,293 11.5400 2,011,341
2025-09-15 900,000 10.8000 900,000 10.8000 9,720,000
2025-09-12 878,847 10.5900 878,847 10.5900 9,306,990
2025-09-12 21,153 10.9000 21,153 10.9000 230,568
2025-09-11 900,000 10.2600 900,000 10.2600 9,234,000
2025-09-10 860,720 9.9700 860,720 9.9700 8,581,378
2025-09-10 39,280 10.2700 39,280 10.2700 403,406
2025-09-09 419,837 8.3400 419,837 8.3400 3,501,441
2025-09-09 180,163 9.1600 180,163 9.1600 1,650,293
2025-09-08 600,000 7.4800 600,000 7.4800 4,488,000
2025-09-05 600,000 7.3800 600,000 7.3800 4,428,000
2025-09-04 700,000 7.6000 700,000 7.6000 5,320,000
2025-09-03 600,000 8.3000 600,000 8.3000 4,980,000
2025-09-02 600,000 8.1300 600,000 8.1300 4,878,000
2025-08-29 590,804 7.4200 590,804 7.4200 4,383,766
2025-08-29 9,196 8.0500 9,196 8.0500 74,028
2025-08-28 600,000 7.1100 600,000 7.1100 4,266,000
2025-08-27 500,000 7.0700 500,000 7.0700 3,535,000
2025-08-26 700,000 6.8100 700,000 6.8100 4,767,000
2025-07-30 369,984 5.6100 369,984 5.6100 2,075,610
2025-07-29 66,049 6.0600 66,049 6.0600 400,257
2025-07-28 500,000 6.1900 500,000 6.1900 3,095,000
2025-07-25 500,000 6.4500 500,000 6.4500 3,225,000
2025-07-24 500,000 6.6800 500,000 6.6800 3,340,000
2025-07-23 500,000 6.5500 500,000 6.5500 3,275,000
2025-07-15 289,145 6.0600 289,145 6.0600 1,752,219
2025-07-14 667,010 6.1100 667,010 6.1100 4,075,431
2025-07-11 432,990 6.1300 432,990 6.1300 2,654,229
2025-07-10 600,000 6.2700 600,000 6.2700 3,762,000
2025-07-09 600,000 6.1700 600,000 6.1700 3,702,000
2025-07-08 600,000 6.0800 600,000 6.0800 3,648,000
2025-07-02 500,000 5.2800 500,000 5.2800 2,640,000
2025-07-01 500,000 4.8600 500,000 4.8600 2,430,000
2024-12-17 250,000 7.4200 250,000 7.4200 1,855,000
2024-12-17 3,120 7.5500 3,120 7.5500 23,556
2024-12-16 300,000 7.2300 300,000 7.2300 2,169,000
2024-12-06 177,031 7.3800 177,031 7.3800 1,306,489
2024-12-05 91,982 7.2300 91,982 7.2300 665,030
2024-11-29 277,618 7.1700 277,618 7.1700 1,990,521
2024-11-21 73,500 7.0200 73,500 7.0200 515,970
2024-11-20 6,900 7.0000 6,900 7.0000 48,300
2024-11-07 300,000 6.6000 300,000 6.6000 1,980,000
2024-10-28 1,000,000 6.2200 1,000,000 6.2200 6,220,000
2024-09-10 1,421,663 2.9700 1,421,663 2.9700 4,222,339
2024-09-10 575,641 2.9600 575,641 2.9600 1,703,897
2024-09-09 1,421,663 2.8700 1,421,663 2.8700 4,080,173
2024-09-09 479,449 2.8700 479,449 2.8700 1,376,019
2024-09-06 1,421,663 2.7400 1,421,663 2.7400 3,895,357
2024-09-06 479,449 2.7500 479,449 2.7500 1,318,485
2024-09-05 1,421,663 2.9200 1,421,663 2.9200 4,151,256
2024-09-05 479,449 2.9300 479,449 2.9300 1,404,786
2024-09-04 1,421,663 3.0300 1,421,663 3.0300 4,307,639
2024-09-04 479,449 3.0100 479,449 3.0100 1,443,141
2024-07-19 261,847 6.1700 261,847 6.1700 1,615,596
2024-07-18 592,980 6.2100 592,980 6.2100 3,682,406
2024-07-18 16,664 7.0100 16,664 7.0100 116,815
2024-06-28 490,275 4.1200 490,275 4.1200 2,019,933
2024-06-27 478,606 4.1700 478,606 4.1700 1,995,787
2024-06-26 466,915 4.3000 466,915 4.3000 2,007,734
2024-06-25 454,073 4.2600 454,073 4.2600 1,934,351
2024-06-24 443,830 4.3300 443,830 4.3300 1,921,784
2024-06-21 416,793 4.5100 416,793 4.5100 1,879,736
2024-06-20 394,357 5.5400 394,357 5.5400 2,184,738
2024-06-18 388,167 4.8000 388,167 4.8000 1,863,202
2024-06-17 376,320 4.8200 376,320 4.8200 1,813,862
2024-06-14 366,042 5.0000 366,042 5.0000 1,830,210
2024-06-13 349,519 4.9500 349,519 4.9500 1,730,119
2024-06-12 336,377 4.5800 336,377 4.5800 1,540,607
2024-06-11 308,506 4.0700 308,506 4.0700 1,255,619
2024-06-10 319,747 4.2100 319,747 4.2100 1,346,135
2024-06-06 298,950 4.1600 298,950 4.1600 1,243,632
2024-06-05 299,953 3.9100 299,953 3.9100 1,172,816
2024-06-04 302,841 3.7700 302,841 3.7700 1,141,711
2024-06-03 308,973 3.7200 308,973 3.7200 1,149,380
2024-05-31 303,006 3.6900 303,006 3.6900 1,118,092
2024-05-30 298,778 3.7300 298,778 3.7300 1,114,442
2024-05-29 300,552 3.8500 300,552 3.8500 1,157,125
2024-05-28 296,357 3.9900 296,357 3.9900 1,182,464
2024-05-24 294,811 4.0800 294,811 4.0800 1,202,829
2023-11-09 10,000,000 2.9500 10,000,000 2.9500 29,500,000

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CIFR / Cipher Mining Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-09-17 2025-09-17 4 V3 Holding Ltd CIFR Common Stock S - Sale I 12.3700 -119,103 -1,473 79,442,259
2025-09-17 2025-09-17 4 V3 Holding Ltd CIFR Common Stock S - Sale I 11.6800 -780,897 -9,121 79,561,362
2025-09-17 2025-09-16 4 V3 Holding Ltd CIFR Common Stock S - Sale I 11.5400 -174,293 -2,011 80,342,259
2025-09-17 2025-09-16 4 V3 Holding Ltd CIFR Common Stock S - Sale I 11.1300 -725,707 -8,077 80,516,552
2025-09-17 2025-09-15 4 V3 Holding Ltd CIFR Common Stock S - Sale I 10.8000 -900,000 -9,720 81,242,259
2025-09-12 2025-09-12 4 V3 Holding Ltd CIFR Common Stock S - Sale I 10.9000 -21,153 -231 82,142,259
2025-09-12 2025-09-12 4 V3 Holding Ltd CIFR Common Stock S - Sale I 10.5900 -878,847 -9,307 82,163,412
2025-09-12 2025-09-11 4 V3 Holding Ltd CIFR Common Stock S - Sale I 10.2600 -900,000 -9,234 83,042,259
2025-09-12 2025-09-10 4 V3 Holding Ltd CIFR Common Stock S - Sale I 10.2700 -39,280 -403 83,942,259
2025-09-12 2025-09-10 4 V3 Holding Ltd CIFR Common Stock S - Sale I 9.9700 -860,720 -8,581 83,981,539
2025-09-10 2025-09-09 4 V3 Holding Ltd CIFR Common Stock S - Sale I 9.1600 -180,163 -1,650 84,842,259
2025-09-10 2025-09-09 4 V3 Holding Ltd CIFR Common Stock S - Sale I 8.3400 -419,837 -3,501 85,022,422
2025-09-10 2025-09-08 4 V3 Holding Ltd CIFR Common Stock S - Sale I 7.4800 -600,000 -4,488 85,442,259
2025-09-08 2025-09-05 4 V3 Holding Ltd CIFR Common Stock S - Sale I 7.3800 -600,000 -4,428 86,042,259
2025-09-08 2025-09-04 4 V3 Holding Ltd CIFR Common Stock S - Sale I 7.6000 -700,000 -5,320 86,642,259
2025-09-04 2025-09-03 4 V3 Holding Ltd CIFR Common Stock S - Sale I 8.3000 -600,000 -4,980 87,342,259
2025-09-04 2025-09-02 4 V3 Holding Ltd CIFR Common Stock S - Sale I 8.1300 -600,000 -4,878 87,942,259
2025-09-02 2025-08-29 4 V3 Holding Ltd CIFR Common Stock S - Sale I 8.0500 -9,196 -74 88,542,259
2025-09-02 2025-08-29 4 V3 Holding Ltd CIFR Common Stock S - Sale I 7.4200 -590,804 -4,384 88,551,455
2025-09-02 2025-08-28 4 V3 Holding Ltd CIFR Common Stock S - Sale I 7.1100 -600,000 -4,266 89,142,259
2025-08-28 2025-08-27 4 V3 Holding Ltd CIFR Common Stock S - Sale I 7.0700 -500,000 -3,535 89,742,259
2025-08-28 2025-08-26 4 V3 Holding Ltd CIFR Common Stock S - Sale I 6.8100 -700,000 -4,767 90,242,259
2025-07-31 2025-07-30 4 V3 Holding Ltd CIFR Common Stock S - Sale I 5.6100 -369,984 -2,076 90,942,259
2025-07-31 2025-07-29 4 V3 Holding Ltd CIFR Common Stock S - Sale I 6.0600 -66,049 -400 91,312,243
2025-07-29 2025-07-28 4 V3 Holding Ltd CIFR Common Stock S - Sale I 6.1900 -500,000 -3,095 91,378,292
2025-07-29 2025-07-25 4 V3 Holding Ltd CIFR Common Stock S - Sale I 6.4500 -500,000 -3,225 91,878,292
2025-07-25 2025-07-24 4 V3 Holding Ltd CIFR Common Stock S - Sale I 6.6800 -500,000 -3,340 92,378,292
2025-07-25 2025-07-23 4 V3 Holding Ltd CIFR Common Stock S - Sale I 6.5500 -500,000 -3,275 92,878,292
2025-07-16 2025-07-15 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 6.0600 -289,145 -1,752 93,378,292
2025-07-16 2025-07-14 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 6.1100 -667,010 -4,075 93,667,437
2025-07-14 2025-07-11 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 6.1300 -432,990 -2,654 94,334,447
2025-07-14 2025-07-10 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 6.2700 -600,000 -3,762 94,767,437
2025-07-10 2025-07-09 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 6.1700 -600,000 -3,702 95,367,437
2025-07-10 2025-07-08 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 6.0800 -600,000 -3,648 95,967,437
2025-07-03 2025-07-02 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 5.2800 -500,000 -2,640 96,567,437
2025-07-03 2025-07-01 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.8600 -500,000 -2,430 97,067,437
2024-12-19 2024-12-17 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 7.5500 -3,120 -24 97,567,437
2024-12-18 2024-12-17 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 7.4200 -250,000 -1,855 97,570,557
2024-12-18 2024-12-16 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 7.2300 -300,000 -2,169 97,820,557
2024-12-09 2024-12-06 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 7.3800 -177,031 -1,306 98,120,557
2024-12-09 2024-12-05 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 7.2300 -91,982 -665 98,297,588
2024-12-03 2024-11-29 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 7.1700 -277,618 -1,991 98,389,570
2024-11-22 2024-11-21 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 7.0200 -73,500 -516 98,667,188
2024-11-22 2024-11-20 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 7.0000 -6,900 -48 98,740,688
2024-11-12 2024-11-07 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 6.6000 -300,000 -1,980 98,747,588
2024-10-29 2024-10-28 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 6.2200 -1,000,000 -6,220 99,047,588
2024-09-10 2024-09-10 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 2.9600 -575,641 -1,704 100,047,588
2024-09-10 2024-09-10 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 2.9700 -1,421,663 -4,222 100,623,229
2024-09-10 2024-09-09 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 2.8700 -479,449 -1,376 102,044,892
2024-09-10 2024-09-09 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 2.8700 -1,421,663 -4,080 102,524,341
2024-09-10 2024-09-06 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 2.7500 -479,449 -1,318 103,946,004
2024-09-10 2024-09-06 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 2.7400 -1,421,663 -3,895 104,425,453
2024-09-06 2024-09-05 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 2.9300 -479,449 -1,405 105,847,116
2024-09-06 2024-09-05 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 2.9200 -1,421,663 -4,151 106,326,565
2024-09-06 2024-09-04 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 3.0100 -479,449 -1,443 107,748,228
2024-09-06 2024-09-04 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 3.0300 -1,421,663 -4,308 108,227,677
2024-07-22 2024-07-19 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 6.1700 -261,847 -1,616 109,649,340
2024-07-22 2024-07-18 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 7.0100 -16,664 -117 109,911,187
2024-07-22 2024-07-18 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 6.2100 -592,980 -3,682 109,927,851
2024-07-01 2024-06-28 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.1200 -490,275 -2,020 110,520,831
2024-07-01 2024-06-27 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.1700 -478,606 -1,996 111,011,106
2024-06-26 2024-06-26 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.3000 -466,915 -2,008 111,489,712
2024-06-26 2024-06-25 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.2600 -454,073 -1,934 111,956,627
2024-06-26 2024-06-24 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.3300 -443,830 -1,922 112,410,700
2024-06-21 2024-06-21 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.5100 -416,793 -1,880 112,854,530
2024-06-21 2024-06-20 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 5.5400 -394,357 -2,185 113,271,323
2024-06-21 2024-06-18 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.8000 -388,167 -1,863 113,665,680
2024-06-17 2024-06-17 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.8200 -376,320 -1,814 114,053,847
2024-06-17 2024-06-14 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 5.0000 -366,042 -1,830 114,430,167
2024-06-17 2024-06-13 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.9500 -349,519 -1,730 114,796,209
2024-06-12 2024-06-12 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.5800 -336,377 -1,541 115,145,728
2024-06-12 2024-06-11 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.0700 -308,506 -1,256 115,482,105
2024-06-12 2024-06-10 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.2100 -319,747 -1,346 115,790,611
2024-06-06 2024-06-06 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.1600 -298,950 -1,244 116,110,358
2024-06-06 2024-06-05 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 3.9100 -299,953 -1,173 116,409,308
2024-06-06 2024-06-04 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 3.7700 -302,841 -1,142 116,709,261
2024-06-03 2024-06-03 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 3.7200 -308,973 -1,149 117,012,102
2024-06-03 2024-05-31 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 3.6900 -303,006 -1,118 117,321,075
2024-06-03 2024-05-30 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 3.7300 -298,778 -1,114 117,624,081
2024-05-29 2024-05-29 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 3.8500 -300,552 -1,157 117,922,859
2024-05-29 2024-05-28 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 3.9900 -296,357 -1,182 118,223,411
2024-05-29 2024-05-24 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 4.0800 -294,811 -1,203 118,519,768
2024-02-27 2024-02-26 4 Bitfury Top HoldCo B.V. CIFR Common Stock J - Other I -107,304,200 118,814,579
2024-01-26 2024-01-25 4 Bitfury Top HoldCo B.V. CIFR Common Stock J - Other I 2.2800 -16,127,092 -36,770 175,804,295
2023-11-09 2023-11-09 4 Bitfury Top HoldCo B.V. CIFR Common Stock S - Sale I 2.9500 -10,000,000 -29,500 191,931,387
2022-06-16 2022-06-16 4 Bitfury Top HoldCo B.V. CIFR Common Stock J - Other I 1.8900 -1,178,440 -2,227 201,931,387
2022-04-12 2022-04-08 4 Bitfury Top HoldCo B.V. CIFR Common Stock J - Other I 3.4600 -2,890,173 -10,000 203,109,827
2021-10-26 3 Bitfury Group Ltd CIFR Common Stock I 206,000,000
P
Köp på öppna marknaden eller privat köp av icke-derivatsäkerhet
S
Köp på öppna marknaden eller privat försäljning av icke-derivatsäkerhet
A
Bevilja, tilldelning eller annat förvärv av värdepapper från företaget (såsom en option)
C
Omvandling av derivat
D
Försäljning eller överföring av värdepapper tillbaka til företaget
F
Betalning av lösenpris eller skatteskuld med del av värdepapper som erhållits från bolaget
G
Överlåtelse av värdepapper från eller till insidern
K
Aktieswappar och liknande säkringsaffärer
M
Utövande eller omvandling av derivatsäkerhet som erhållits från företaget (som en option)
V
En transaktion friviligt rapporterad på schema 4
J
Andra (med en fotnot som beskriver transaktionen)