Charles K. Dargan - 01 Feb 2026 Form 4 Insider Report for BIOLARGO, INC. (BLGO)

Role
Chief Financial Officer
Signature
/s/ John R. Browning, attorney-in-fact
Issuer symbol
BLGO
Transactions as of
01 Feb 2026
Net transactions value
$0
Form type
4
Filing time
03 Feb 2026, 14:56:55 UTC
Previous filing
03 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DARGAN CHARLES K Chief Financial Officer 18851 NE 29TH AVENUE, SUITE 700, AVENTURA /s/ John R. Browning, attorney-in-fact 03 Feb 2026 0001112799

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction BLGO Option to Purchase Common Stock Award +300,000 +5.3% 5,931,668 01 Feb 2026 Common Stock 300,000 $0.1790 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This Option was issued to the Reporting Person as compensation to serve as Issuer's Chief Financial Officer from February 1, 2026, through January 31, 2027.