CTM

Castellum, Inc.

Industrials Management Consulting Services Market cap: $53.8M All insider activity → Quote and statistics → Sign in to watch CTM Sign in to set a price alert

AI summary Castellum executives acquire shares through the Employee Stock Purchase Plan

Insider Score Band below 60

Research score: 28
AI adjustment: -12

Research score, not a recommendation.

Total bought$3.0K4 Form 4 purchases

Distinct insiders4open-market buyers

Lead insiderIves Glen RPresident

Cluster window2026-07-01single day · active

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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same price, one day All 4 purchases were at $0.61 on 2026-07-01. That pattern also occurs in IPO or conversion subscriptions, which are not open-market conviction buying.

Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders

63%

Seniority executive rank of buyers (CEO/CFO/Director)

88%

Commitment purchase size relative to company & holdings

25%

Context buying into stock weakness signals conviction

100%

Timing coordinated purchases within a tight window

100%

Routine-purchase discount × 1.00

Company-type / offering discount × 0.50

Net insider selling penalty − 0

Why are they buying?

AI · plan · catalyst none · documented

The purchases were made automatically pursuant to the terms of the Castellum, Inc. 2025 Employee Stock Purchase Plan at a discount to the closing price on June 30, 2026.

President Glen R. Ives, GC Tammy L. Martin, CFO David T. Bell, and COO Andrew Merriman each acquired small blocks of shares under the ESPP.

Filing references and sources

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

4 Form 4 trades · 4 insiders Sign in to download CSV

Purchases in this cluster, grouped by insider, largest first
Date	Insider	Role	Shares	Price	Value	Flags	Filing
2026-07-01	Ives Glen R history of Ives Glen R's purchases	President	1,262	$0.61	$772	offering	SEC filing for Ives Glen R (opens in a new tab)
2026-07-01	MARTIN TAMMY L history of MARTIN TAMMY L's purchases	General counsel	1,202	$0.61	$736	offering	SEC filing for MARTIN TAMMY L (opens in a new tab)
2026-07-01	Bell David T history of Bell David T's purchases	CFO	1,202	$0.61	$736	offering	SEC filing for Bell David T (opens in a new tab)
2026-07-01	Merriman Andrew history of Merriman Andrew's purchases	COO	1,202	$0.61	$736	offering	SEC filing for Merriman Andrew (opens in a new tab)
Total					$3.0K

Other buying runs at CTM

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

After this run became a cluster: 21 days +12.5%63 days -4.2%126 days –

Other insider buying runs at this company, newest first, with the return against the benchmark that followed
Window	Insiders	Total	Score	21 days	63 days	126 days	Status
2026-09-09 → 2026-10-01	4	$34.1K	34	–	–	–	active
2023-03-14 → 2023-03-31	6	$464.4K	52	-4.0%	-57.5%	-76.9%	closed