Transaction · 0001437749-26-031943

CALVERT DENNIS P

CALVERT DENNIS P, PRES, reported a transaction classified as grant at BIOLARGO, INC. involving 931886.000000 shares for an estimated $74550.88. Reported holdings after the transaction were 11989994.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code APRES
BLGOBIOLARGO, INC.
Filing timeOct 02
Trade dateSep 30, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableCalculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
—
Pre-filing
1mo ago1w ago1d ago
Returns since
7d30d90d180d1y

BLGO price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
BLGO since 2026-10-02Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
grant
Code A
Identifier
0001437749-26-031943
Common Stock
Transaction date
Sep 30, 2026
Filed Oct 02, 2026, 11:30 PM · 2d delay
Shares
931k sh
$0.08 per share
Estimated value
$74.5k
Computed from shares × price
Holdings after
11.9M sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
-12score
Filing-only score

-12

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

President

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The shares issued are subject to a Lock-Up Agreement dated as of the issuance date whereby shares are locked-up and restricted from sale until the Issuer reports gross revenue of at least $40 million…

  2. F2

    Shares received from Issuer in exchange for a reduction in amounts owed by Issuer to Reporting Person for salary and unreimbursed business expenses (equal to the product of the number of shares issued…

  3. F3

    The amount of securities beneficially owned following the reported transaction includes 1,528,695 shares owned indirectly by Reporting Person through a limited liability company owned and controlled b…

  4. F4

    The 2,000,000 acquired shares were acquired by a limited liability company owned and controlled by Reporting Person. The amount of securities beneficially owned following the reported transaction incl…

Original filing · 0001437749-26-031943
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