Cipher Mining Inc. (CIFR) Insider Trading
Over the last 3 months, CIFR insiders made 0 open-market buys and 9 sales, a net sale of -$81.5M (SEC Form 4). Over the last 6 months, 319 institutions increased and 232 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
9
Net (3m)
-$81.5M
Insider trades by month Buys Sells
Jan
Feb
Mar
May
Jun
Jul
Context3-month price -37.9%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 10, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Sell | 112,500 | $21.19 |
| Jul 2, 2026 | Kelly Patrick Arthurofficer: Co-President and COO | Option | 33,967 | — |
| Jul 2, 2026 | Kelly Patrick Arthurofficer: Co-President and COO | Option | 76,427 | — |
| Jul 2, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Option | 254,756 | — |
| Jul 2, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Option | 113,225 | — |
| Jul 2, 2026 | Kelly Patrick Arthurofficer: Co-President and COO | Tax | 39,016 | $24.50 |
| Jul 2, 2026 | Mumford Gregory J.D.officer: Chief Financial Officer | Option | 17,108 | — |
| Jul 2, 2026 | Iwaschuk Williamofficer: Co-President and CLO | Tax | 16,375 | $24.50 |
| Jul 2, 2026 | Iwaschuk Williamofficer: Co-President and CLO | Option | 29,611 | — |
| Jul 2, 2026 | Iwaschuk Williamofficer: Co-President and CLO | Option | 76,427 | — |
| Jul 2, 2026 | Iwaschuk Williamofficer: Co-President and CLO | Tax | 18,784 | $24.50 |
| Jul 2, 2026 | Iwaschuk Williamofficer: Co-President and CLO | Option | 33,967 | — |
| Jul 2, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Tax | 53,748 | $24.50 |
| Jul 2, 2026 | Iwaschuk Williamofficer: Co-President and CLO | Tax | 42,265 | $24.50 |
| Jul 2, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Tax | 57,802 | $24.50 |
| Jul 2, 2026 | Kelly Patrick Arthurofficer: Co-President and COO | Tax | 15,117 | $24.50 |
| Jul 2, 2026 | Kelly Patrick Arthurofficer: Co-President and COO | Tax | 17,341 | $24.50 |
| Jul 2, 2026 | Mumford Gregory J.D.officer: Chief Financial Officer | Tax | 6,895 | $24.50 |
| Jul 2, 2026 | Kelly Patrick Arthurofficer: Co-President and COO | Option | 29,611 | — |
| Jul 2, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Option | 105,285 | — |
| Jul 2, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Tax | 130,053 | $24.50 |
| Jun 23, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Option | 1,419,236 | — |
| Jun 23, 2026 | GROSSMAN CARY Mdirector | Sell | 15,000 | $29.43 |
| Jun 23, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Tax | 724,520 | $28.14 |
| Jun 18, 2026 | Newsome James Edirector | Sell | 3,342 | $20.96 |
| Jun 18, 2026 | Newsome James Edirector | Sell | 3,758 | $26.60 |
| Jun 16, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Tax | 170,168 | $26.03 |
| Jun 16, 2026 | Page Tylerdirector, officer: Chief Executive Officer | Option | 333,334 | — |
| Jun 16, 2026 | Kelly Patrick Arthurofficer: Co-President and COO | Tax | 85,084 | $26.03 |
| Jun 16, 2026 | Iwaschuk Williamofficer: Co-President and CLO | Tax | 92,167 | $26.03 |
Source: CIFR SEC Form 4 filings, latest Jul 10, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CIFR positions over the last 6 months (SEC Form 13F).
Increased
319
New positions
235
Reduced
232
Sold out
40
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| V3 HOLDING LTD | Unchanged | 61.3M | May 13, 2026 |
| V3 Holding Ltd | Reduced | 58.3M | Aug 11, 2026 |
| D. E. SHAW & CO., INC. | Reduced | 35.1M | May 15, 2026 |
| D. E. Shaw & Co., Inc. | Reduced | 33.1M | Aug 14, 2026 |
| BlackRock, Inc. | Increased | 30.4M | Aug 7, 2026 |
| UBS Group AG | Increased | 29.9M | Aug 13, 2026 |
| BLACKROCK, INC. | Increased | 28.5M | May 13, 2026 |
| JANE STREET GROUP, LLC | Increased | 27.8M | May 12, 2026 |
| UBS GROUP AG | Increased | 27.7M | May 5, 2026 |
| JANE STREET GROUP, LLC | Reduced | 27.0M | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 24.1M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 22.3M | May 8, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 21.2M | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 20.0M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 16.5M | Aug 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.