Cipher Mining Inc.
Total Trades
52
Buys
1
Sells
50
Largest Trade
N/A
Insiders
9
Institutional Funds
292
Inst. Value
$1M+
Activist Filings
35
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Kelly Patrick Arthur | Co-President and COO | SELL | $500K+ | 36K | $17.76 | Jan 20, 2026 |
| Williams Wesley Hastie | Director | SELL | $500K+ | 50K | $16.08 | Dec 24, 2025 |
| Newsome James E | Director | SELL | $100K–$500K | 22K | $16.03 | Dec 24, 2025 |
| Kelly Patrick Arthur | Co-President and COO | EXERCISE | N/A | 504K | — | Dec 18, 2025 |
| Kelly Patrick Arthur | Co-President and COO | SELL | $500K+ | 36K | $15.08 | Dec 18, 2025 |
| GROSSMAN CARY M | Director | SELL | $100K–$500K | 25K | $19.00 | Nov 28, 2025 |
| Evans Holly Morrow | Director | SELL | $100K–$500K | 15K | $18.74 | Nov 28, 2025 |
| Kelly Patrick Arthur | Co-President and COO | SELL | $100K–$500K | 27K | $14.20 | Nov 19, 2025 |
| Evans Holly Morrow | Director | SELL | $100K–$500K | 16K | $17.39 | Nov 14, 2025 |
| Williams Wesley Hastie | Director | SELL | $100K–$500K | 19K | $17.51 | Nov 14, 2025 |
| Iwaschuk William | Co-President and CLO | SELL | $1M+ | 173K | $22.52 | Nov 6, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 5.6M | $12.06 | Sep 30, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 5.3M | $12.99 | Sep 25, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 2.7M | $12.34 | Sep 22, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 2.7M | $11.26 | Sep 17, 2025 |
| Kelly Patrick Arthur | Co-President and COO | SELL | $100K–$500K | 45K | $10.80 | Sep 16, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 2.7M | $10.28 | Sep 12, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 1.2M | $8.03 | Sep 10, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 1.3M | $7.50 | Sep 8, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 1.2M | $8.21 | Sep 4, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 1.2M | $7.27 | Sep 2, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 1.2M | $6.92 | Aug 28, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 436K | $5.68 | Jul 31, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 1.0M | $6.32 | Jul 29, 2025 |
| V3 Holding Ltd | 10% Owner | SELL | $1M+ | 1.0M | $6.62 | Jul 25, 2025 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 956K | $6.09 | Jul 16, 2025 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 1.0M | $6.21 | Jul 14, 2025 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 1.2M | $6.13 | Jul 10, 2025 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 1.0M | $5.07 | Jul 3, 2025 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 278K | $7.17 | Dec 3, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $500K+ | 80K | $7.02 | Nov 22, 2024 |
| Kelly Patrick Arthur | Co-President and COO | SELL | $100K–$500K | 53K | $7.16 | Nov 12, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 300K | $6.60 | Nov 12, 2024 |
| Iwaschuk William | Co-President and CLO | SELL | $1K–$15K | 600 | $7.00 | Nov 7, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 1.0M | $6.22 | Oct 29, 2024 |
| Kelly Patrick Arthur | Co-President and COO | SELL | $100K–$500K | 90K | $4.37 | Oct 17, 2024 |
| Iwaschuk William | Co-President and CLO | SELL | $500K+ | 150K | $3.94 | Sep 26, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 969K | $4.14 | Jul 1, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 1.4M | $4.30 | Jun 26, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 1.2M | $4.94 | Jun 21, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 1.1M | $4.92 | Jun 17, 2024 |
| GROSSMAN CARY M | Director | SELL | $100K–$500K | 65K | $4.85 | Jun 14, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 965K | $4.29 | Jun 12, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 902K | $3.95 | Jun 6, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 911K | $3.71 | Jun 3, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 892K | $3.97 | May 29, 2024 |
| Bitfury Top HoldCo B.V. | 10% Owner | SELL | $1M+ | 10.0M | $2.95 | Nov 9, 2023 |
| Kelly Patrick Arthur | Co-President and COO | SELL | $100K–$500K | 50K | $3.23 | Aug 18, 2023 |
| GROSSMAN CARY M | Director | SELL | $100K–$500K | 85K | $3.63 | Aug 14, 2023 |
| Iwaschuk William | Co-President and CLO | SELL | $100K–$500K | 100K | $3.58 | Aug 11, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 292 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| V3 Holding Ltd | 30.9M | $1M+ | SH |
| VANGUARD GROUP INC | 30.3M | $1M+ | SH |
| WELLS FARGO & COMPANY/MN | 15.0M | $1M+ | SH (Call) |
| Situational Awareness LP | 10.5M | $1M+ | SH |
| STATE STREET CORP | 8.1M | $1M+ | SH |
| Value Aligned Research Advisors, LLC | 7.4M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 7.2M | $1M+ | SH |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 5.5M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 4.1M | $1M+ | SH |
| Alpine Fox Capital LLC | 3.9M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 3.4M | $1M+ | SH |
| Tidal Investments LLC | 2.6M | $1M+ | SH |
| Connor, Clark & Lunn Investment Management Ltd. | 2.4M | $1M+ | SH |
| Walleye Trading LLC | 2.1M | $1M+ | SH (Call) |
| Point72 Asset Management, L.P. | 2.1M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 2.1M | $1M+ | SH |
| Squarepoint Ops LLC | 2.0M | $1M+ | SH |
| Capital Research Global Investors | 2.0M | $1M+ | SH |
| BARCLAYS PLC | 1.9M | $1M+ | SH |
| WOLVERINE ASSET MANAGEMENT LLC | 1.7M | $1M+ | SH (Put) |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 13, 2026
3.7%
14.7M shares
SC 13G/A · Feb 12, 2026
5.3%
21.1M shares
SC 13G/A · Jan 30, 2026
8.3%
32.7M shares
SC 13D/A · Nov 18, 2025
7.7%
30.4M shares
SC 13G · Nov 13, 2025
5.5%
21.5M shares
SC 13D/A · Nov 5, 2025
7.7%
30.4M shares
SC 13G · Oct 23, 2025
5.0%
19.7M shares
SC 13D/A · Oct 16, 2025
7.7%
30.4M shares
SC 13D/A · Oct 2, 2025
7.7%
30.4M shares
SC 13D/A · Sep 25, 2025
9.2%
36.0M shares
SC 13D/A · Sep 17, 2025
11.2%
44.0M shares
SC 13D/A · Sep 8, 2025
12.3%
48.5M shares
SC 13D/A · Aug 11, 2025
12.4%
48.7M shares
SC 13G · Jul 29, 2025
5.4%
20.1M shares
SC 13D/A · Jul 22, 2025
13.1%
48.7M shares
SC 13G · Jul 17, 2025
6.5%
21.9M shares
SC 13D/A · Jul 10, 2025
13.1%
48.7M shares
SC 13G/A · Apr 30, 2025
5.0%
18.0M shares
SC 13G/A · Apr 22, 2025
5.0%
18.0M shares
SC 13G · Feb 4, 2025
5.4%
18.6M shares
SC 13G/A · Nov 12, 2024
5.2%
17.0M shares
SC 13D/A · Nov 12, 2024
1.4%
4.8M shares
SC 13G/A · Nov 4, 2024
5.2%
17.0M shares
SC 13D/A · Sep 10, 2024
1.5%
4.8M shares
SC 13D/A · Sep 5, 2024
1.5%
4.8M shares
SC 13D/A · Jun 28, 2024
1.6%
4.8M shares
SC 13D/A · Jun 13, 2024
1.6%
4.8M shares
SC 13D/A · May 16, 2024
1.6%
4.8M shares
SC 13D/A · Feb 26, 2024
1.9%
482.2M shares
SC 13D/A · Jan 24, 2024
1.9%
4.8M shares
SC 13D/A · Nov 9, 2023
1.9%
4.8M shares
SC 13D/A · Apr 12, 2022
2.4%
6.0M shares
SC 13G/A · Feb 14, 2022
0.1%
255K shares
Highbridge Capital Management, LLC
SC 13G/A · Jan 27, 2022
0.6%
1.6M shares
SC 13G/A · Jan 7, 2022
0.1%
255K shares