Transaction · 0002090886-26-000008

Mumford Gregory J.D.

Mumford Gregory J.D., CFO, reported a transaction classified as exercise at Cipher Digital Inc. involving 17109.000000 shares. Reported holdings after the transaction were 37316.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCFO
CIFRCipher Digital Inc.
Filing timeOct 02
Trade dateSep 30, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableCalculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$15.71
Pre-filing
1mo ago -1.3%1w ago +10.6%1d ago +10.6%
Returns since
7d30d90d180d1y

CIFR price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
CIFR since 2026-10-02Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0002090886-26-000008
Common Stock
Transaction date
Sep 30, 2026
Filed Oct 02, 2026, 10:35 PM · 2d delay
Shares
17.1k sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
37.3k sh
Direct

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Holdings Increase
+2score
Filing-only score

+2

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Financial Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

  2. F2

    The RSUs vest in equal quarterly installments over a three-year period, on March 31, June 30, September 30 and December 15 of each year, subject to the Reporting Person's continuous service on

  3. the applicable vesting date. The first vesting date occurred on March 31, 2026.

Original filing · 0002090886-26-000008
Related transactions

0 other filings

Same reporting owner
Recent company activity

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