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C. Thomas McMillen

Director at Castellum
Board

About C. Thomas McMillen

Independent director (since October 12, 2022), age 72; Audit Committee Chair and audit committee financial expert. Background includes CEO roles (Lead1 Association, Timios National Corporation), U.S. Congressman (MD‑4, 1987–1993), and broad investing/board experience. Education: B.S. University of Maryland; B.A. and M.A. in Politics, Philosophy, and Economics (Oxford University, Rhodes Scholar) .

Past Roles

OrganizationRoleTenureCommittees/Impact
Lead1 Association (DIA ADs)President & CEOSep 2015 – Sep 2024Advocated for 134 premier college athletic programs
Timios National Corp. (f/k/a Homeland Security Capital Corp.)CEO & Chairman; later PresidentAug 2005 – Feb 2014 (President Jul 2011–Feb 2014)Led diversified strategic initiatives
RCS Capital CorporationIndependent DirectorMay 2013 – May 2016Chapter 11 reorg in Jan 2016; class action settled without recourse to independent directors
U.S. House of Representatives (MD‑4)Congressman1987 – 1993Legislative, oversight experience
Moran Global StrategiesPartnerCurrentGovernment relations advisory

External Roles

OrganizationRoleTenureCommittees
Nexstar Media GroupDirectorSince Jul 2014Nominating & Corporate Governance Committee
ScanTech AI Systems, Inc.DirectorSince Jan 2025Audit and Nominating Committees
University of MarylandBoard of Regents MemberCurrentGovernance oversight for higher education

Board Governance

  • Committee assignments: Audit Committee Chair; Nominating & Governance Committee member; both independent .
  • Independence: Board determined McMillen independent under NYSE American standards; majority independent board .
  • Meetings (FY 2024): Board 11 meetings; Audit Committee 5; Compensation Committee 4; Nominating & Governance Committee 5 .
  • Annual meeting attendance: At the 2024 annual meeting (May 29, 2024), all directors except Ms. Frost and Mr. Campbell were present—implies McMillen attended .
  • Board leadership: Independent Chair (Bernard S. Champoux); no Lead Independent Director because Chair is independent .
  • Cybersecurity oversight: Delegated to Audit Committee; periodic updates and incident preparedness reviews .

Fixed Compensation

Component (FY 2024)AmountNotes
Fees Earned or Paid in Cash$60,000 Reflects director cash compensation recognized for 2024
Stock Awards$74,581 Grant-date fair value (restricted stock and options per ASC 718)
Total$134,581 Sum of cash + equity grant-date value
Cash payments made during 2024$17,679 Actual cash paid to McMillen
Deferred board/chair fees accrued at 12/31/2024$113,571 Unpaid fees accrued (Board deferred cash payments since May 2023)
Fee schedule (policy)Non-employee director annual cash retainer $60,000 (Jan–Jun 2024), reduced to $30,000 effective July 1, 2024; Chair stipends: Board $15,000; Audit $15,000; Compensation $10,000; Nominating $10,000

Board deferred cash payments beginning May 2023; $515,221 aggregate deferred fees outstanding as of 12/31/2024 for all directors .

Performance Compensation

Grant/ActionDateInstrumentQuantity/TermsPriceVesting
Annual director equity (earned)Jan 1, 2024Restricted common stockPart of 206,186 shares to four non-employee directors; grant-date FV at $0.29/share$0.29Vests ratably over 12 months from grant; not yet issued as of 12/31/2024
Director stock options (cohort grant)Jul 1, 2024Options250,000 options granted to four non-employee directors$0.2127-year term; vest ratably over 12 months from grant
Director stock options (policy)Jul 1, 2024–Jun 30, 2025OptionsEach non-employee director received 125,000 optionsClosing price on grant dateVest ratably over 12 months; 7-year term
McMillen Form 4 – Option grantNov 11, 2025Options100,000 options$1.19As disclosed under Second Amended 2021 Plan
McMillen Form 4 – Option exerciseAug 20, 2025Options exercise125,000 options exercised$0.212Cashless/standard exercise as reported
McMillen Form 4 – Cashless exerciseJan 2, 2025Cashless exerciseIssuance of common shares upon exerciseReported in filing

Committee retains independent compensation consultant; director cash reduced; equity remains primary at-risk component .

Other Directorships & Interlocks

CompanySectorRoleCommittee/PositionPotential Interlock/Conflict Assessment
Nexstar Media GroupMediaDirectorNominating & Corporate GovernanceLow direct overlap with CTM’s government contracting; governance expertise additive
ScanTech AI Systems, Inc.AI/TechDirectorAudit, NominatingTechnology oversight relevant; no disclosed related-party transactions with CTM
University of MarylandEducationRegentBoard of RegentsPublic sector governance experience; not a conflict

Expertise & Qualifications

  • Financial and governance expertise: Designated audit committee financial expert; chairs CTM’s Audit Committee .
  • Executive leadership: Former CEO of Lead1 and Timios National .
  • Government and policy: U.S. Congressional experience; government relations (Moran Global Strategies) .
  • Education: University of Maryland (B.S.); Oxford (B.A., M.A. PPE; Rhodes Scholar) .

Equity Ownership

As of Mar 21, 2025Common SharesOptions ExercisableOptions UnexercisableTotal Beneficial Ownership% of Outstanding Common
C. Thomas McMillen191,015 104,167 20,833 295,182 <1% (based on 84,891,874 shares outstanding)

Hedging and pledging of company stock prohibited by Insider Trading Policy; Clawback policy in place per SEC/NYSE American standards .

Governance Assessment

  • Strengths:

    • Independent director with substantial governance credentials; Audit Chair and financial expert bolster financial reporting oversight .
    • Active roles on external audit/nomination committees suggest deep governance engagement; attendance at 2024 annual meeting supports engagement .
    • Strong anti-hedging/anti-pledging and clawback policies; Audit Committee oversees cybersecurity—aligned with CTM’s tech/government-contracting risk profile .
  • Alignment and incentives:

    • Meaningful though sub-1% equity exposure; ongoing options grants and exercises indicate active equity alignment; latest grant 100,000 options at $1.19 on Nov 11, 2025 .
    • Director cash fees deferred, with sizable accrual ($113,571 for McMillen at 12/31/2024); cash retainer reduced from $60k to $30k effective July 1, 2024—signals cost discipline but introduces cash-collection risk for directors .
  • Risks and red flags:

    • Prior involvement as independent director at RCS Capital during bankruptcy and related class action (settled without recourse to independent directors)—historical association warrants awareness but no current adverse findings disclosed .
    • Board has no director term limits; no formal gender diversity policy or targets—may concern some investors focused on board refreshment and diversity commitments .
    • Deferred director fees indicate liquidity pressures; reliance on equity compensation increases dilution potential as Plan share pool expanded to 9,000,000 .
  • Related-party and conflicts:

    • No McMillen-specific related-party transactions disclosed; related-person transactions require Audit Committee approval >$120,000; policy prohibits pledging and hedging .

Overall, McMillen strengthens board oversight through independent status and audit leadership, with adequate equity alignment. Watch items include fee deferrals (cash governance optics/liquidity), board refreshment policies, and continued monitoring of insider option activity and dilution under the expanded stock plan .