Form 4 for CTM Castellum, Inc.

Accepted 2026-07-02 16:05:00 ET · period of report 2026-07-01 · accession 0001877939-26-000058 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-07-02 16:05	2026-07-01	CTM	Ives Glen R	Pres, CEO	P - Purchase	$0.612	+1,262	200.9K	+0.6%	+$772.34
D	2026-07-02 16:05	2026-07-01	CTM	Ives Glen R	Pres, CEO	A - Grant	—	+773.6K	773.6K	New	—

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-07-01	P	A	1,262	$0.612	200,878	D	—	—	(F1) Pursuant to the terms of the Castellum, Inc. 2025 Employee Stock Purchase Plan, the reporting person purchased 1,262 shares of common stock of the Registrant. The per share purchase price was calculated at a discount of fifteen percent to the closing price of the Registrant's common stock as quoted on the NYSE American LLC on June 30, 2026.
2	Derivative	Stock Options	2026-07-01	A	A	773,630	—	773,630	D	$0.73 · — to 2033-06-30	773,630 Common Stock	(F2) In connection with the July 1, 2026 second amendment to his employment agreement dated July 1, 2024, Mr. Ives received 773,630 stock options issued pursuant to the Castellum, Inc. Third Amended 2021 Stock Incentive Plan to purchase 773,630 shares of common stock which vest ratably over eighteen months. The exercise price is the closing price of the Registrant's common stock as quoted on the NYSE American LLC on the date of grant. (F2) In connection with the July 1, 2026 second amendment to his employment agreement dated July 1, 2024, Mr. Ives received 773,630 stock options issued pursuant to the Castellum, Inc. Third Amended 2021 Stock Incentive Plan to purchase 773,630 shares of common stock which vest ratably over eighteen months. The exercise price is the closing price of the Registrant's common stock as quoted on the NYSE American LLC on the date of grant.