Mumford Gregory J.D.

CIK 2090886 · Chief Financial Officer · last filed 2026-04-07

Mumford Gregory J.D. is a Chief Financial Officer who has filed 3 SEC Form 4 insider transactions across 2 companies since 2025. The most recent filing, for CIFR, was dated Apr 7, 2026. Current disclosed insider exposure totals $230.2K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Disclosed Exposure

$230.2K

Companies

2

Total Filings

3

Lifetime Open-Market Net

$0

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.

Symbol	Role	Shares	Price	Disclosed Exposure	Lifetime OM Net	Filings	Latest Filed
CIFR	Chief Financial Officer	9,994	$23.04	$230.2K	$0	2	2026-04-07
CIFRW	Chief Financial Officer	—	$4.09	—	$0	1	2025-10-16

Recent Filings

3 filings

Form 4 transactions across all companies, newest first.

Filed	Symbol	Action	Net Shares	Net $	Link
2026-04-07	CIFR	Mixed	+9,994	-$91.6K	EDGAR
2026-02-27	CIFR	Grant (A)	—	$0	EDGAR
2025-10-16	CIFRW	Grant (A)	—	$0	EDGAR

Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.