Cipher Mining Inc. (CIFR)

Latest Insider Confidence Score

2026Q1

33.8
Bearish

Company insider confidence (by quarter)

2020Q4 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
V3 Holding Ltd 10% Owner 5,520,000 Nov 18, 2025
Bitfury Top HoldCo B.V. 10% Owner 5,520,000 Nov 18, 2025
Bitfury Holding B.V. 10% Owner 5,520,000 Nov 18, 2025
Vavilovs Valerijs 10% Owner 5,520,000 Nov 18, 2025
Bitfury Group Ltd 10% Owner 5,520,000 Nov 18, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 4, 2026 Mar 6, 2026 Newsome James E Director Sell 20.0 -45,161 -26.18% $710.8K
Feb 25, 2026 Feb 27, 2026 Page Tyler CEO Neutral 52.5 - 0.00% -
Feb 25, 2026 Feb 27, 2026 Mumford Gregory J.D. CFO Neutral 52.5 - 0.00% -
Feb 25, 2026 Feb 27, 2026 Iwaschuk William President Neutral 52.5 - 0.00% -
Feb 25, 2026 Feb 27, 2026 Kelly Patrick Arthur COO Neutral 52.5 - 0.00% -
Feb 25, 2026 Feb 27, 2026 Duda Thomas David Director Neutral 90.0 +3,862 27.95% -
Feb 23, 2026 Duda Thomas David Director Neutral 52.5 - 0.00% -
Feb 17, 2026 Feb 19, 2026 Kelly Patrick Arthur COO Sell 41.3 -35,568 -2.35% $552K
Jan 15, 2026 Jan 20, 2026 Kelly Patrick Arthur COO Sell 41.3 -35,568 -2.30% $631.7K
Dec 19, 2025 Dec 23, 2025 Page Tyler CEO Sell 16.3 -520,211 -5.90% $8.4M
Dec 19, 2025 Dec 23, 2025 Iwaschuk William President Sell 17.5 -195,056 -12.30% $2.7M
Dec 19, 2025 Dec 23, 2025 Kelly Patrick Arthur COO Sell 17.5 -156,064 -9.16% $2.5M
Dec 19, 2025 Dec 23, 2025 Williams Wesley Hastie Director Sell 20.0 -49,867 -23.97% $801.9K
Dec 19, 2025 Dec 23, 2025 Newsome James E Director Sell 20.0 -21,821 -11.23% $349.8K
Dec 15, 2025 Dec 17, 2025 Page Tyler CEO Sell 15.0 -857,959 -5.23% $12.6M
Dec 15, 2025 Dec 17, 2025 Kelly Patrick Arthur COO Sell 27.5 -292,957 -6.93% $4.3M
Dec 15, 2025 Dec 17, 2025 Iwaschuk William President Sell 17.5 -278,817 -9.88% $4.1M
Nov 26, 2025 Nov 28, 2025 GROSSMAN CARY M Director Sell 20.0 -25,000 -11.09% $475K
Nov 26, 2025 Nov 28, 2025 Evans Holly Morrow Director Sell 20.0 -15,000 -7.13% $281.1K
Nov 17, 2025 Nov 19, 2025 Kelly Patrick Arthur COO Sell 38.8 -26,580 -2.19% $377.4K
Nov 14, 2025 Nov 18, 2025 V3 Holding Ltd 10% Owner Neutral 52.5 - 0.00% -
Nov 12, 2025 Nov 14, 2025 Evans Holly Morrow Director Sell 20.0 -16,269 -7.17% $282.9K
Nov 12, 2025 Nov 14, 2025 Williams Wesley Hastie Director Sell 20.0 -18,769 -8.28% $328.6K
Nov 9, 2025 Nov 12, 2025 Page Tyler CEO Sell 15.0 -962,521 -12.12% $14.2M
Nov 4, 2025 Nov 6, 2025 Iwaschuk William President Sell 20.0 -173,094 -14.10% $3.9M
Nov 3, 2025 Nov 5, 2025 V3 Holding Ltd 10% Owner Neutral 52.5 - 0.00% -
Oct 14, 2025 Oct 16, 2025 Mumford Gregory J.D. CFO Neutral 52.5 - 0.00% -
Oct 16, 2025 Mumford Gregory J.D. CFO Neutral 52.5 - 0.00% -
Oct 15, 2025 Oct 16, 2025 Kelly Patrick Arthur COO Sell 38.8 -26,581 -2.14% $560.3K
Oct 14, 2025 Oct 16, 2025 V3 Holding Ltd 10% Owner Sell 15.0 -4,535,843 -6.89% $94.6M
Oct 10, 2025 Oct 15, 2025 Page Tyler CEO Sell 15.0 -724,521 -10.00% $12.3M
Sep 30, 2025 Oct 2, 2025 Page Tyler CEO Sell 17.5 -142,886 -1.22% $1.8M
Sep 30, 2025 Oct 2, 2025 Kelly Patrick Arthur COO Sell 17.5 -204,525 -7.66% $2.6M
Sep 30, 2025 Oct 2, 2025 Iwaschuk William President Sell 17.5 -221,552 -8.32% $2.8M
Sep 30, 2025 Oct 2, 2025 FARRELL EDWARD J CFO Sell 17.5 -200,671 -6.36% $2.5M
Sep 23, 2025 Sep 25, 2025 V3 Holding Ltd 10% Owner Sell 15.0 -5,304,540 -6.91% $68.9M
Sep 15, 2025 Sep 17, 2025 V3 Holding Ltd 10% Owner Sell 15.0 -2,700,000 -3.29% $30.4M
Sep 15, 2025 Sep 16, 2025 Kelly Patrick Arthur COO Sell 35.0 -44,870 -4.12% $484.6K
Sep 10, 2025 Sep 12, 2025 V3 Holding Ltd 10% Owner Sell 15.0 -2,700,000 -3.18% $27.8M
Sep 8, 2025 Sep 10, 2025 V3 Holding Ltd 10% Owner Sell 16.3 -1,200,000 -1.39% $9.6M
Sep 4, 2025 Sep 8, 2025 V3 Holding Ltd 10% Owner Sell 16.3 -1,300,000 -1.49% $9.7M
Sep 2, 2025 Sep 4, 2025 V3 Holding Ltd 10% Owner Sell 16.3 -1,200,000 -1.36% $9.9M
Aug 28, 2025 Sep 2, 2025 V3 Holding Ltd 10% Owner Sell 16.3 -1,200,000 -1.34% $8.7M
Aug 26, 2025 Aug 28, 2025 V3 Holding Ltd 10% Owner Sell 16.3 -1,200,000 -1.32% $8.3M
Aug 18, 2025 Aug 19, 2025 GROSSMAN CARY M Director Sell 20.0 -75,000 -24.96% $441.8K
Aug 18, 2025 Aug 19, 2025 Newsome James E Director Sell 22.5 -32,468 -14.32% $200K
Aug 15, 2025 Aug 19, 2025 Kelly Patrick Arthur COO Sell 37.5 -44,871 -3.96% $233.3K
Jul 29, 2025 Jul 31, 2025 V3 Holding Ltd 10% Owner Sell 35.0 -436,033 -0.48% $2.5M
Jul 25, 2025 Jul 29, 2025 V3 Holding Ltd 10% Owner Sell 16.3 -1,000,000 -1.08% $6.3M
Jul 23, 2025 Jul 25, 2025 V3 Holding Ltd 10% Owner Sell 16.3 -1,000,000 -1.07% $6.6M
Jul 14, 2025 Jul 16, 2025 Bitfury Top HoldCo B.V. 10% Owner Sell 16.3 -956,155 -1.01% $5.8M
Jul 10, 2025 Jul 14, 2025 Bitfury Top HoldCo B.V. 10% Owner Sell 16.3 -1,032,990 -1.08% $6.4M
Jul 8, 2025 Jul 10, 2025 Bitfury Top HoldCo B.V. 10% Owner Sell 16.3 -1,200,000 -1.24% $7.4M
Jul 1, 2025 Jul 3, 2025 Bitfury Top HoldCo B.V. 10% Owner Sell 16.3 -1,000,000 -1.02% $5.1M
Jun 30, 2025 Jul 2, 2025 Page Tyler CEO Sell 20.0 -57,802 -1.01% $276.3K
Jun 30, 2025 Jul 2, 2025 FARRELL EDWARD J CFO Sell 22.5 -13,487 -1.03% $64.5K
Jun 30, 2025 Jul 2, 2025 Kelly Patrick Arthur COO Sell 22.5 -17,341 -1.51% $82.9K
Jun 30, 2025 Jul 2, 2025 Iwaschuk William President Sell 22.5 -18,785 -1.76% $89.8K
Jun 14, 2025 Jun 17, 2025 Page Tyler CEO Sell 20.0 -170,167 -2.93% $668.8K
Jun 14, 2025 Jun 17, 2025 FARRELL EDWARD J CFO Sell 20.0 -79,293 -5.85% $311.6K
Jun 14, 2025 Jun 17, 2025 Iwaschuk William President Sell 20.0 -87,039 -7.77% $342.1K
Jun 14, 2025 Jun 17, 2025 Kelly Patrick Arthur COO Sell 20.0 -79,955 -6.68% $314.2K
Jun 4, 2025 Jun 6, 2025 Newsome James E Director Neutral 90.0 +59,701 35.73% -
Jun 4, 2025 Jun 6, 2025 Evans Holly Morrow Director Neutral 90.0 +59,701 35.73% -
Jun 4, 2025 Jun 6, 2025 Long Caitlin Director Neutral 90.0 +59,701 35.73% -
Jun 4, 2025 Jun 6, 2025 Williams Wesley Hastie Director Neutral 90.0 +59,701 35.73% -
Jun 4, 2025 Jun 6, 2025 GROSSMAN CARY M Director Neutral 90.0 +59,701 24.79% -
Jun 4, 2025 Jun 6, 2025 Flatley Robert Director Neutral 90.0 +59,701 75.41% -
Mar 31, 2025 Apr 2, 2025 Page Tyler CEO Sell 22.5 -57,802 -1.05% $132.9K
Mar 31, 2025 Apr 2, 2025 FARRELL EDWARD J CFO Sell 36.3 -9,525 -0.79% $21.9K
Mar 31, 2025 Apr 2, 2025 Iwaschuk William President Sell 26.3 -13,690 -1.42% $31.5K
Mar 31, 2025 Apr 2, 2025 Kelly Patrick Arthur COO Sell 26.3 -12,246 -1.17% $28.2K
Feb 26, 2025 Feb 28, 2025 Iwaschuk William President Neutral 52.5 - 0.00% -
Feb 26, 2025 Feb 28, 2025 Kelly Patrick Arthur COO Neutral 52.5 - 0.00% -
Feb 26, 2025 Feb 28, 2025 FARRELL EDWARD J CFO Neutral 52.5 - 0.00% -
Feb 26, 2025 Feb 28, 2025 Page Tyler CEO Neutral 52.5 - 0.00% -
Dec 18, 2024 Dec 20, 2024 Page Tyler CEO Sell 16.3 -1,162,418 -10.35% $7.3M
Dec 18, 2024 Dec 20, 2024 Kelly Patrick Arthur COO Sell 17.5 -359,593 -16.74% $2.3M
Dec 18, 2024 Dec 20, 2024 Iwaschuk William President Sell 17.5 -389,531 -19.04% $2.5M
Dec 18, 2024 Dec 20, 2024 FARRELL EDWARD J CFO Sell 17.5 -306,250 -12.38% $1.9M
Dec 17, 2024 Dec 19, 2024 Bitfury Top HoldCo B.V. 10% Owner Sell 51.3 -3,120 0.00% $23.6K
Dec 16, 2024 Dec 18, 2024 Bitfury Top HoldCo B.V. 10% Owner Sell 27.5 -550,000 -0.56% $4M
Dec 5, 2024 Dec 9, 2024 Bitfury Top HoldCo B.V. 10% Owner Sell 35.0 -269,013 -0.27% $2M
Nov 29, 2024 Dec 3, 2024 Bitfury Top HoldCo B.V. 10% Owner Sell 35.0 -277,618 -0.28% $2M
Nov 20, 2024 Nov 22, 2024 Bitfury Top HoldCo B.V. 10% Owner Sell 45.0 -80,400 -0.08% $564.3K
Nov 8, 2024 Nov 12, 2024 Kelly Patrick Arthur COO Sell 30.0 -53,161 -7.41% $380.6K
Nov 7, 2024 Nov 12, 2024 Bitfury Top HoldCo B.V. 10% Owner Sell 35.0 -300,000 -0.30% $2M
Nov 6, 2024 Nov 7, 2024 Iwaschuk William President Sell 56.3 -600 -0.10% $4.2K
Oct 28, 2024 Oct 29, 2024 Bitfury Top HoldCo B.V. 10% Owner Sell 26.3 -1,000,000 -1.00% $6.2M
Oct 15, 2024 Oct 17, 2024 Kelly Patrick Arthur COO Sell 22.5 -89,742 -11.12% $392.4K
Sep 25, 2024 Sep 26, 2024 Iwaschuk William President Sell 17.5 -150,000 -19.50% $591K
Sep 13, 2024 Sep 17, 2024 Kelly Patrick Arthur COO Sell 20.0 -198,184 -19.71% $612.4K
Sep 13, 2024 Sep 17, 2024 Iwaschuk William President Sell 20.0 -202,767 -20.86% $626.6K
Sep 13, 2024 Sep 17, 2024 FARRELL EDWARD J CFO Sell 20.0 -187,184 -17.55% $578.4K
Sep 13, 2024 Sep 17, 2024 Page Tyler CEO Sell 20.0 -85,084 -1.94% $262.9K
Sep 9, 2024 Sep 11, 2024 DYKES ROBERT R B Director Buy 100.0 +374,666 51.39% $1.1M
Sep 6, 2024 Sep 10, 2024 Bitfury Top HoldCo B.V. 10% Owner Sell 15.0 -5,799,528 -5.48% $16.6M
Sep 5, 2024 Sep 9, 2024 DYKES ROBERT R B Director Buy 100.0 +374,666 105.71% $1.1M
Sep 4, 2024 Sep 6, 2024 DYKES ROBERT R B Director Buy 97.5 +187,333 112.12% $567.6K
Sep 4, 2024 Sep 6, 2024 Bitfury Top HoldCo B.V. 10% Owner Sell 15.0 -3,802,224 -3.47% $11.3M