BLGO BIOLARGO, INC.

BEARISH Impact: 6/10 424B4
Horizon weeks Filed Apr 17, 2026 Processed 1mo ago SEC 0001437749-26-012700
Prospectus supplement
Latest settled — T+20d ⚠ clustered
BLGO ▼ -20.00% at T+20d
SHORT call ✓ call won +20.00% · α vs SPY +24.20% · entry $0.1500 → $0.1200
Next anchor: T+60d in 4w
Currently $0.1200 · +20.00% from $0.1500 entry (call sign-flipped)
Entry anchored
Apr 17, 2026
via day open
T+1d
0.00%
call 0.00% · α -0.65%
$0.1500
settled 8w ago
T+5d
+2.00%
call -2.00% · α -1.09%
$0.1530
settled 7w ago
T+20d
-20.00%
call +20.00% · α +24.20%
$0.1200
settled 29d ago
T+60d
call — · α —
in 4w

Executive Summary

This 424B4 filing relates to the offering of 31,730,651 shares of BioLargo common stock by selling stockholders upon exercise of warrants. The company will not receive proceeds from the stock sales but could receive up to $8.4 million if all warrants are exercised. The offering follows a significant revenue decline and ongoing litigation with a former major customer, Pooph Inc., which has raised substantial doubt about the company's ability to continue as a going concern.

Key Financial Metrics

Offering Size
$31.7M
Dilution
9%

Actionable Insight

The significant dilution from warrant exercises combined with declining revenue and ongoing litigation creates substantial downside risk. The company's ability to continue as a going concern is in question, and traders should monitor the outcome of the Pooph litigation and the company's ability to secure additional financing.

Key Facts

  • 31,730,651 shares offered by selling stockholders upon exercise of warrants with average exercise price of $0.265
  • Company could receive up to $8,416,462 if all warrants are exercised
  • Company's revenue decreased 56% year-over-year to $7.765 million for 2025
  • Company reported net loss of $15.189 million for 2025, up from $4.347 million in 2024
  • Auditors' report includes going concern doubt due to recurring losses and negative cash flow
  • Company is engaged in litigation with former largest customer Pooph Inc. over unpaid royalties and product payments totaling $3.8 million

Financial Impact

Dilution of approximately 9% of outstanding shares if all warrants are exercised

dilutioncash flowrevenuenet loss

Risk Factors

  • Substantial doubt about going concern status due to recurring losses
  • Ongoing litigation with former major customer could result in material losses
  • Significant dilution from warrant exercises
  • Continuing revenue decline and negative cash flow

Market Snapshot

Exchange
OTC
Sector
Chemicals & Allied Products

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
424B4 Filing (Primary)0001437749-26-012700
Document: 0001437749-26-012700-index-headers.html0001437749-26-012700
Document: 0001437749-26-012700-index.html0001437749-26-012700
Document: 0001437749-26-012700.txt0001437749-26-012700
4 reports for BLGO
Performance horizon

Track record builds as more directional reports settle.

Filters
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Reports for BLGO — sortable, filterable
Type Now
May 4, 2026
5w ago
8-K
NEUTRAL ★ 1/10
$0.1600 $0.1200▼ −25.00%▼ −30.65%$0.1200 (−25.00%)
Apr 17, 2026
8w ago
424B4
BEARISH ★ 6/10
$0.1500 $0.1200▲ +20.00%▲ +24.20%$0.1200 (+20.00%)
Apr 17, 2026
8w ago
424B4
BEARISH ★ 6/10
$0.1500 $0.1200▲ +20.00%▲ +24.20%$0.1200 (+20.00%)
Mar 5, 2026
14w ago
8-K
BEARISH ★ 6/10
$0.1700 $0.1500▲ +11.76%▲ +7.98%$0.1200 (+29.41%)
Showing 4 of 4

US Market Status

Market Closed — Opens Mon (49h 36m)

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