Updated Jul 16, 2026 · Last SEC filing 2026-07-10
Cipher Digital Inc. (CIFR) has filed 26 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-10. 5 Form 8-K material event filings were reported by CIFR in the last 90 days. 8 Form 144 notices of proposed sale were filed for CIFR stock. InsiderAlpha tracks every CIFR SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Finance Services (SIC 6199) |
|---|---|
| SEC CIK | 0001819989 |
| Form 4 filings (90d) | 26 |
|---|---|
| Form 8-K filings (90d) | 5 |
| Form 144 notices (90d) | 8 |
| Latest Form 4 filing | 2026-07-10 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Page Tyler | Chief Executive Officer | S — Open-market sale | 112.5K | $22.68 | $2.55M | SEC | |
| Page Tyler | Chief Executive Officer | S — Open-market sale | 112.5K | $21.19 | $2.38M | SEC | |
| Mumford Gregory J.D. | Chief Financial Officer | F — Tax withholding / forfeiture | 6.9K | $24.50 | $169K | SEC | |
| Kelly Patrick Arthur | Co-President and COO | F — Tax withholding / forfeiture | 17.3K | $24.50 | $425K | SEC | |
| Kelly Patrick Arthur | Co-President and COO | F — Tax withholding / forfeiture | 39.0K | $24.50 | $956K | SEC | |
| Mumford Gregory J.D. | Chief Financial Officer | M — Option exercise | 17.1K | — | — | SEC | |
| Iwaschuk William | Co-President and CLO | F — Tax withholding / forfeiture | 16.4K | $24.50 | $401K | SEC | |
| Iwaschuk William | Co-President and CLO | M — Option exercise | 29.6K | — | — | SEC | |
| Iwaschuk William | Co-President and CLO | F — Tax withholding / forfeiture | 42.3K | $24.50 | $1.04M | SEC | |
| Kelly Patrick Arthur | Co-President and COO | M — Option exercise | 34.0K | — | — | SEC | |
| Kelly Patrick Arthur | Co-President and COO | F — Tax withholding / forfeiture | 15.1K | $24.50 | $370K | SEC | |
| Iwaschuk William | Co-President and CLO | F — Tax withholding / forfeiture | 18.8K | $24.50 | $460K | SEC | |
| Kelly Patrick Arthur | Co-President and COO | M — Option exercise | 76.4K | — | — | SEC | |
| Iwaschuk William | Co-President and CLO | M — Option exercise | 34.0K | — | — | SEC | |
| Iwaschuk William | Co-President and CLO | M — Option exercise | 76.4K | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Cipher Digital Inc. (CIFR). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Page Tyler | 18 | $35.67M |
| Kelly Patrick Arthur | 13 | $4.90M |
| Iwaschuk William | 12 | $4.30M |
| V3 Holding Ltd | 9 | $78.50M |
| Mumford Gregory J.D. | 3 | $169K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CIFR insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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