Insider Ledger

CTM insider buying and SEC filings, explained

Castellum, Inc. · CIK 1877939

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Insider activity in the last 12 months

Bought
$31K
Insiders who bought
1
Sold (not marked 10b5-1)
$769K
Planned sales (10b5-1)
$0

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Oct 1, 2026Purchase (code P)Tammy L. Martin (General Counsel and Secretary) bought 1,396 shares at $0.5352 ($747), reported as a purchase (code P). Holdings up 9% to 16,427 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 1, 2026, 4:09 PM ET
Oct 1, 2026Purchase (code P)David T Bell (CFO and Treasurer) bought 1,396 shares at $0.5352 ($747), reported as a purchase (code P). Holdings up 8% to 18,651 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 1, 2026, 4:09 PM ET
Oct 1, 2026Purchase (code P)Andrew Merriman (President / COO) bought 1,396 shares at $0.5352 ($747), reported as a purchase (code P). Holdings up <1% to 589,927 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 1, 2026, 4:08 PM ET
Oct 1, 2026Purchase (code P)Glen R Ives (President / COO and Director) bought 1,700 shares at $0.5352 ($910), reported as a purchase (code P). Holdings up 1% to 202,578 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 1, 2026, 4:08 PM ET
Sep 9, 2026Purchase (code P)Andrew Merriman (President / COO) bought 50,000 shares at $0.6200 ($31K), reported as a purchase (code P). Holdings up 9% to 588,531 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 9, 2026
Jul 1, 2026Purchase (code P)Andrew Merriman (President / COO) bought 1,202 shares at $0.6100 ($733), reported as a purchase (code P). Holdings up <1% to 538,531 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jul 2, 2026
Jul 1, 2026Purchase (code P)David T Bell (CFO and Treasurer) bought 1,202 shares at $0.6100 ($733), reported as a purchase (code P). Holdings up 7% to 17,255 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jul 2, 2026
Jul 1, 2026Purchase (code P)Tammy L. Martin (General Counsel and Secretary) bought 1,202 shares at $0.6100 ($733), reported as a purchase (code P). Holdings up 9% to 15,031 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jul 2, 2026
Jul 1, 2026Purchase (code P)Glen R Ives (President / COO and Chief Executive Officer) bought 1,262 shares at $0.6100 ($770), reported as a purchase (code P). Holdings up 1% to 200,878 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jul 2, 2026
Mar 27, 2026Purchase (code P)Andrew Merriman (President / COO) bought 2,000 shares at $0.6400 ($1K), reported as a purchase (code P). Holdings up <1% to 536,000 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 27, 2026
Mar 27, 2026Purchase (code P)Glen R Ives (President / COO and Chief Executive Officer) bought 2,000 shares at $0.6200 ($1K), reported as a purchase (code P). Holdings up 1% to 199,616 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 27, 2026
Mar 25, 2026SaleCharles Thomas McMillen (Director) sold 30,000 shares at $0.7000 ($21K). Holdings down 11% to 231,015 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 27, 2026
Mar 26, 2026Purchase (code P)Glen R Ives (President / COO and Chief Executive Officer) bought 10,000 shares at $0.6600 ($7K), reported as a purchase (code P). Holdings up 5% to 197,616 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 26, 2026
Mar 18, 2026SaleCharles Thomas McMillen (Director) sold 55,000 shares at $0.8000 ($44K). Holdings down 17% to 261,015 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 20, 2026
Mar 18, 2026Purchase (code P)Andrew Merriman (President / COO) bought 3,000 shares at $0.8000 ($2K), reported as a purchase (code P). Holdings up 1% to 534,000 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 18, 2026
Dec 19, 2025SaleJay O. Wright (Director and General Counsel, Secretary) sold 30,000 shares at $1.05 ($32K). Holdings down <1% to 7,134,973 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Dec 22, 2025
Dec 15–16, 2025SaleJay O. Wright (Director and General Counsel, Secretary) sold 18,000 shares between Dec 15, 2025 and Dec 16, 2025 at about $1.08 ($19K). Holdings down <1% to 7,164,973 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Dec 17, 2025
Dec 10–12, 2025SaleJay O. Wright (Director and General Counsel, Secretary) sold 188,000 shares between Dec 10, 2025 and Dec 12, 2025 at about $1.19 ($224K). Holdings down 3% to 7,182,973 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Dec 12, 2025
Nov 28–Dec 1, 2025SaleJay O. Wright (Director and General Counsel, Secretary) sold 53,000 shares between Nov 28, 2025 and Dec 1, 2025 at about $1.05 ($56K). Holdings down 1% to 7,370,973 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Dec 2, 2025
Nov 14–17, 2025SaleJay O. Wright (Director and General Counsel, Secretary) sold 100,000 shares between Nov 14, 2025 and Nov 17, 2025 at about $1.15 ($115K). Holdings down 1% to 7,423,973 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Nov 18, 2025
Nov 11–13, 2025SaleJay O. Wright (Director and General Counsel, Secretary) sold 220,000 shares between Nov 11, 2025 and Nov 13, 2025 at about $1.17 ($258K). Holdings down 3% to 7,523,973 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Nov 13, 2025

11 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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