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DARGAN CHARLES K

SEC insider (Form 3/4/5 filer). CIK 0001112799. Chief Financial Officer at BIOLARGO, INC. (BLGO). 4 reported Form 4/5 transactions since Sep 2024; latest on Feb 1, 2026. Located in AVENTURA, FL.

Companies DARGAN CHARLES K has filed insider reports for

  • BIOLARGO, INC. (BLGO): Officer, Chief Financial Officer
DARGAN CHARLES K profile photo

DARGAN CHARLES K

CIK: 0001112799

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (75.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (25.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

BIOLARGO, INC. logo
BLGO

BIOLARGO, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (4 total)

  • BIOLARGO, INC. logo
    BLGO

    BIOLARGO, INC.

    Feb 1, 2026
    Award

    Option to Purchase Common Stock

    Direct
    300K shares-
  • BIOLARGO, INC. logo
    BLGO

    BIOLARGO, INC.

    Sep 30, 2025
    Other

    Option to Purchase Common Stock

    Direct
    300K shares at avg. $0.57-
  • BIOLARGO, INC. logo
    BLGO

    BIOLARGO, INC.

    Sep 30, 2025
    Award

    Option to Purchase Common Stock

    Direct
    1M shares-
  • BIOLARGO, INC. logo
    BLGO

    BIOLARGO, INC.

    Feb 1, 2025
    Award

    Option to Purchase Common Stock

    Direct
    300K shares-

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