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Insider ActivityCIFR
Mumford Gregory J.D., Chief Financial Officer at Cipher Digital Inc., traded $92K of CIFR
Updated Jun 14, 2026
Mumford Gregory J.D.
Chief Financial Officer
Cipher Digital Inc. ·
$CIFR
Transaction Details
| Insider | Mumford Gregory J.D. |
|---|---|
| Title | Chief Financial Officer |
| Company | Cipher Digital Inc. |
| Ticker | CIFR |
| Transaction Type | Tax |
| Transaction Date | 2026-03-31 |
| Shares Traded | 7,114 |
| Price Per Share | $12.87 |
| Total Value | $92K |
| Filed Date | 2026-04-07 |
| Accession Number | 0001819989-26-000012 |
Ownership Context
| Shares Owned After Transaction | 9,994 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001819989-26-000012
Other Insider Trades — CIFR
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| V3 Holding Ltd | 10% Owner | sold | $24.8M | 2026-06-04 |
| V3 Holding Ltd | 10% Owner | sold | $5.8M | 2026-06-04 |
| Newsome James E | Director | traded | — | 2026-06-03 |
| Williams Wesley Hastie | Director | traded | — | 2026-06-03 |
| V3 Holding Ltd | 10% Owner | sold | $30.1M | 2026-06-03 |
| Duda Thomas David | Director | traded | — | 2026-06-03 |
| V3 Holding Ltd | 10% Owner | sold | $810K | 2026-06-03 |
| V3 Holding Ltd | 10% Owner | sold | $17.0M | 2026-06-03 |
| Flatley Robert | Director | traded | — | 2026-06-03 |
| Long Caitlin | Director | traded | — | 2026-06-03 |
Other Trades by Mumford Gregory J.D.
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| CIFR | Cipher Digital Inc. | traded | — | 2026-03-31 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for CIFR — Cipher Digital Inc. →
Whisper Score — CIFR
44.11
Active Discussion
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 14, 2026 at 07:21 UTC