CIFR insider buying and SEC filings, explained
Cipher Digital Inc. · CIK 1819989
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Finance Services
- Fiscal year end
- Dec 31
- Former names
- Cipher Mining Inc.; GOOD WORKS ACQUISITION CORP.
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$85.1M
Planned sales (10b5-1)
$12.1M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jul 8–9, 2026 | Planned (10b5-1) | Tyler Page (CEO and Director) sold 225,000 shares between Jul 8 and Jul 9 at about $21.94 ($4.9M), marked as a 10b5-1 plan trade. Holdings down 2% to 8,971,725 shares. | SEC filing Filed Jul 10, 2026 |
| Jun 18, 2026 | Sale | Cary M. Grossman (Director) sold 15,000 shares at about $29.43 ($441K). Holdings down 9% to 143,829 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 23, 2026 |
| May 11–Jun 16, 2026 | Sale | James E Newsome (Director) sold 7,100 shares between May 11 and Jun 16 at about $23.95 ($170K). Holdings down 5% to 128,530 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 18, 2026 |
| Jun 4, 2026 | Sale | Top HoldCo B.V. Bitfury (10% owner) sold 1,200,000 shares indirectly at about $25.49 ($30.6M). Indirect holdings down 2% to 58,316,694 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 4 other reporting owners. | SEC filing Filed Jun 8, 2026 |
| Jun 3, 2026 | Sale | Top HoldCo B.V. Bitfury (10% owner) sold 1,800,000 shares indirectly at about $26.62 ($47.9M). Indirect holdings down 3% to 59,516,694 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 4 other reporting owners. | SEC filing Filed Jun 4, 2026 |
| May 21, 2026 | Sale | Wesley Hastie Williams (Director) sold 14,567 shares at $21.41 ($312K). Holdings down 11% to 115,409 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 22, 2026 |
| May 12, 2026 | Sale | Patrick Arthur Kelly (President / COO) sold 48,000 shares at about $19.36 ($929K). Holdings down 3% to 1,451,856 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 14, 2026 |
| May 6, 2026 | Sale | Wesley Hastie Williams (Director) sold 28,169 shares at $22.26 ($627K). Holdings down 18% to 129,976 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 8, 2026 |
| May 6, 2026 | Sale | Cary M. Grossman (Director) sold 20,000 shares at about $21.82 ($436K). Holdings down 12% to 150,530 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 8, 2026 |
| Mar 25, 2026 | Planned (10b5-1) | Tyler Page (CEO and Director) sold 37,500 shares at $16.11 ($604K), marked as a 10b5-1 plan trade. Holdings down <1% to 8,263,862 shares. | SEC filing Filed Mar 27, 2026 |
| Mar 23, 2026 | Sale | Cary M. Grossman (Director) sold 30,000 shares at about $14.54 ($436K). Holdings down 15% to 170,530 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 25, 2026 |
| Mar 16, 2026 | Planned (10b5-1) | Patrick Arthur Kelly (President / COO) sold 35,568 shares at about $14.98 ($533K), marked as a 10b5-1 plan trade. Holdings down 2% to 1,441,508 shares. | SEC filing Filed Mar 19, 2026 |
| Mar 4, 2026 | Sale | James E Newsome (Director) sold 45,161 shares at about $15.74 ($711K). Holdings down 26% to 127,331 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 6, 2026 |
| Feb 17, 2026 | Planned (10b5-1) | Patrick Arthur Kelly (President / COO) sold 35,568 shares at about $15.52 ($552K), marked as a 10b5-1 plan trade. Holdings down 2% to 1,477,076 shares. | SEC filing Filed Feb 19, 2026 |
| Jan 15, 2026 | Planned (10b5-1) | Patrick Arthur Kelly (President / COO) sold 35,568 shares at about $17.76 ($632K), marked as a 10b5-1 plan trade. Holdings down 2% to 1,512,644 shares. | SEC filing Filed Jan 20, 2026 |
| Dec 19, 2025 | Sale | Wesley Hastie Williams (Director) sold 49,867 shares at $16.08 ($802K). Holdings down 24% to 158,145 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 23, 2025 |
| Dec 19, 2025 | Sale | James E Newsome (Director) sold 21,821 shares at $16.03 ($350K). Holdings down 11% to 172,492 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 23, 2025 |
| Dec 15, 2025 | Planned (10b5-1) | Patrick Arthur Kelly (President / COO) sold 35,569 shares at about $15.08 ($536K), marked as a 10b5-1 plan trade. Holdings down 3% to 1,151,770 shares. | SEC filing Filed Dec 17, 2025 |
| Nov 26, 2025 | Sale | Holly Morrow Evans (Director) sold 15,000 shares at about $18.74 ($281K). Holdings down 7% to 195,512 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 28, 2025 |
| Nov 26, 2025 | Sale | Cary M. Grossman (Director) sold 25,000 shares at $19.00 ($475K). Holdings down 11% to 200,530 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 28, 2025 |
| Nov 17, 2025 | Planned (10b5-1) | Patrick Arthur Kelly (President / COO) sold 26,580 shares at about $14.20 ($377K), marked as a 10b5-1 plan trade. Holdings down 2% to 1,187,339 shares. | SEC filing Filed Nov 19, 2025 |
| Nov 12, 2025 | Sale | Holly Morrow Evans (Director) sold 16,269 shares at about $17.39 ($283K). Holdings down 7% to 210,512 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 14, 2025 |
| Nov 12, 2025 | Sale | Wesley Hastie Williams (Director) sold 18,769 shares at $17.51 ($329K). Holdings down 8% to 208,012 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 14, 2025 |
| Nov 4, 2025 | Planned (10b5-1) | William Iwaschuk (President / COO) sold 173,094 shares at about $22.52 ($3.9M), marked as a 10b5-1 plan trade. Holdings down 14% to 1,054,488 shares. | SEC filing Filed Nov 6, 2025 |
45 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 2, 2026, 7:17 AM ET 8-K | Earnings released (Item 2.02) Reg FD disclosure (Item 7.01) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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