CTM insider transaction filings

Castellum, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-09. Screen CTM transaction legs live →

Insider transaction summary — last 90 days

2026-06-24 to 2026-09-22, from the filings listed below: 5 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By insider — same window

Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

InsiderFilingsPurchases (P)Sales (S)Other legs
Merriman Andrew — Chief Operating Officer23 legs · 51,202 sh · $31,708
Ives Glen R — President11 leg · 1,262 sh · $7721
Bell David T — Chief Financial Officer11 leg · 1,202 sh · $736
MARTIN TAMMY L — General Counsel and Secretary11 leg · 1,202 sh · $736

Recent Form 4 filings — Castellum, Inc.

FiledFormInsiderReported transactionsSource
2026-09-094Merriman Andrew — Chief Operating OfficerPurchase (P): 40,000 @ $0.62 · Purchase (P): 10,000 @ $0.62EDGAR
2026-07-024Merriman Andrew — Chief Operating OfficerPurchase (P): 1,202 @ $0.61EDGAR
2026-07-024Bell David T — Chief Financial OfficerPurchase (P): 1,202 @ $0.61EDGAR
2026-07-024Ives Glen R — PresidentPurchase (P): 1,262 @ $0.61 · Grant/award (A): 773,630 (derivative)EDGAR
2026-07-024MARTIN TAMMY L — General Counsel and SecretaryPurchase (P): 1,202 @ $0.61EDGAR
2026-03-314Merriman Andrew — Chief Operating OfficerGrant/award (A): 1,329 @ $0.45EDGAR
2026-03-314Bell David T — Chief Financial OfficerGrant/award (A): 1,329 @ $0.45EDGAR
2026-03-314MARTIN TAMMY L — General Counsel and SecretaryGrant/award (A): 1,329 @ $0.45EDGAR
2026-03-274Merriman Andrew — Chief Operating OfficerPurchase (P): 2,000 @ $0.64EDGAR
2026-03-274Ives Glen R — PresidentPurchase (P): 2,000 @ $0.62EDGAR
2026-03-274McMillen Charles Thomas — DirectorSale (S): 30,000 @ $0.70EDGAR
2026-03-264Ives Glen R — PresidentPurchase (P): 10,000 @ $0.66EDGAR
2026-03-204McMillen Charles Thomas — DirectorSale (S): 55,000 @ $0.80EDGAR
2026-03-184Merriman Andrew — Chief Operating OfficerPurchase (P): 3,000 @ $0.80EDGAR
2025-12-224WRIGHT JAY O — General Counsel, Secretary, DirectorSale (S): 30,000 @ $1.05EDGAR
2025-12-174WRIGHT JAY O — General Counsel, Secretary, DirectorSale (S): 6,000 @ $1.10 · Sale (S): 12,000 @ $1.07EDGAR
2025-12-124WRIGHT JAY O — General Counsel, Secretary, DirectorSale (S): 127,000 @ $1.21 · Sale (S): 50,000 @ $1.16 · Sale (S): 11,000 @ $1.16EDGAR
2025-12-024WRIGHT JAY O — General Counsel, Secretary, DirectorSale (S): 18,000 @ $1.05 · Sale (S): 35,000 @ $1.05EDGAR
2025-11-184WRIGHT JAY O — General Counsel, Secretary, DirectorSale (S): 90,000 @ $1.15 · Sale (S): 10,000 @ $1.16EDGAR
2025-11-134Campbell John Francis — DirectorGrant/award (A): 100,000 (derivative) @ $0EDGAR
2025-11-134Ives Glen R — PresidentGrant/award (A): 500,000 (derivative) @ $0EDGAR
2025-11-134Bell David T — Chief Financial OfficerGrant/award (A): 225,000 (derivative) @ $0EDGAR
2025-11-134Merriman Andrew — Chief Operating OfficerGrant/award (A): 275,000 (derivative) @ $0EDGAR
2025-11-134Champoux Bernard S — DirectorGrant/award (A): 100,000 (derivative) @ $0EDGAR
2025-11-134Alarie Mark S — DirectorGrant/award (A): 100,000 (derivative) @ $0EDGAR
2025-11-134McMillen Charles Thomas — DirectorGrant/award (A): 100,000 (derivative) @ $0EDGAR
2025-11-134WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerSale (S): 60,000 @ $1.18 · Sale (S): 160,000 @ $1.17EDGAR
2025-09-174WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerSale (S): 50,000 @ $1.10 · Sale (S): 50,000 @ $1.11EDGAR
2025-09-124WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerSale (S): 70,000 @ $1.12 · Sale (S): 90,000 @ $1.12 · Sale (S): 73,000 @ $1.12EDGAR
2025-09-094WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerSale (S): 46,473 @ $1.08 · Sale (S): 250,227 @ $1.12 · Sale (S): 150,000 @ $1.12EDGAR
2025-09-034Fuller Mark CSale (S): 500,000 @ $1.12EDGAR
2025-08-284WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerSale (S): 40,000 @ $1.04 · Sale (S): 24,000 @ $1.05EDGAR
2025-08-264WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerSale (S): 45,000 @ $1.04 · Sale (S): 40,000 @ $1.04EDGAR
2025-08-214McMillen Charles Thomas — DirectorOption exercise (M): 125,000 @ $0.21 · Option exercise (M): 125,000 (derivative) @ $0.21EDGAR
2025-08-204WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerSale (S): 225,000 @ $1.08 · Sale (S): 126,000 @ $1.05EDGAR
2025-05-204Fuller Mark C — Director, 10% ownerSale (S): 500,000 @ $1.05EDGAR
2025-05-204WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerOther (J): 240,600 @ $1.04 · Sale (S): 259,400 @ $1.07EDGAR
2025-03-074WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerSale (S): 365,000 @ $1.47 · Sale (S): 135,000 @ $1.34EDGAR
2025-03-064Fuller Mark C — Director, 10% ownerOther (J): 50,000 · Sale (S): 275,000 @ $1.49 · Sale (S): 225,000 @ $1.33EDGAR
2025-01-244Merriman Andrew — Chief Operating OfficerGrant/award (A): 325,000 (derivative) @ $1.07EDGAR
2025-01-244Ives Glen R — PresidentGrant/award (A): 500,000 (derivative) @ $1.07EDGAR
2025-01-034McMillen Charles Thomas — DirectorOption exercise (M): 100,028 @ $0.21 · Option exercise (M): 110,028 (derivative) @ $0.21 · Tax withholding (F): 14,972 (derivative) @ $0.21EDGAR
2024-09-054WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerPurchase (P): 272,300 @ $0.16EDGAR
2024-09-044WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerPurchase (P): 44,400 @ $0.17EDGAR
2024-08-304WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerPurchase (P): 61,597 @ $0.16EDGAR
2024-08-294WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerPurchase (P): 97,903 @ $0.16EDGAR
2024-08-144WRIGHT JAY O — General Counsel, Secretary, Director, 10% ownerPurchase (P): 115,240 @ $0.14EDGAR
2024-07-034Ives Glen R — PresidentGrant/award (A): 750,000 (derivative)EDGAR
2024-07-034Champoux Bernard S — DirectorGrant/award (A): 250,000 (derivative)EDGAR
2024-07-034McMillen Charles Thomas — DirectorGrant/award (A): 250,000 (derivative)EDGAR

Recent 8-K events — Castellum, Inc.

FiledFormItems reportedSource
2026-09-098-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-08-318-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-08-078-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-07-318-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-07-028-K1.01 — Entry into a Material Definitive Agreement
5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-248-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-158-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-208-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-188-K7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-138-K2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
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