Mumford Gregory J.D.
SEC CIK 2090886 · EDGAR
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CIFR | Cipher Digital Inc. | CFO | 27.1K | — | — | 4 | 2026-03-31 | 2026-06-30 |
Most active insiders at CIFR, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Vavilovs Valerijs | 10% | — | $94.63M |
| 2 | V3 Holding Ltd | 10% | — | $78.50M |
| 3 | Bitfury Holding B.V. | 10% | — | $67.33M |
| 4 | Page Tyler | CEO, Dir | — | $5.54M |
| 5 | Kelly Patrick Arthur | COO, Co-Pres | — | $4.12M |
| 6 | Iwaschuk William | CLO, Co-Pres | — | $3.90M |
| 7 | Williams Wesley Hastie | Dir | — | $2.07M |
| 8 | GROSSMAN CARY M | Dir | — | $1.79M |
| 9 | Newsome James E | Dir | — | $1.23M |
| 10 | Evans Holly Morrow | Dir | — | $564.0K |
| 12 | Mumford Gregory J.D. | CFO | — | — |
Transactions 4
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-07-02 16:40 | 2026-06-30 | CIFR | Cipher Digital Inc. | Mumford Gregory J.D. | CFO | M - OptEx | — | +17.1K | 27.1K | +171% | — |
| D | 2026-07-02 16:40 | 2026-06-30 | CIFR | Cipher Digital Inc. | Mumford Gregory J.D. | CFO | F - Tax | $24.50 | -6,895 | 20.2K | -25% | -$168.9K |
| D | 2026-04-07 18:18 | 2026-03-31 | CIFR | Cipher Digital Inc. | Mumford Gregory J.D. | CFO | M - OptEx | — | +17.1K | 17.1K | New | — |
| D | 2026-04-07 18:18 | 2026-03-31 | CIFR | Cipher Digital Inc. | Mumford Gregory J.D. | CFO | F - Tax | $12.87 | -7,114 | 9,994 | -42% | -$91.6K |
Purchase Sale Sale after option exercise All abbreviations