BioLargo's Net Loss Widens to $11M Amidst Revenue Plunge, Credit Loss

Ticker: BLGO · Form: 10-Q · Filed: Nov 14, 2025 · CIK: 880242

Sentiment: bearish

Topics: Environmental Technology, Water Treatment, PFAS Contamination, Going Concern, Net Loss, Revenue Decline, Credit Risk

Related Tickers: BLGO

TL;DR

**BLGO is bleeding cash and revenue, with a massive credit loss, making it a high-risk bet for any investor.**

AI Summary

BIOLARGO, INC. (BLGO) reported a significant net loss of $11.047 million for the nine months ended September 30, 2025, a substantial increase from the $2.615 million loss in the prior year period. This was primarily driven by a $3.849 million credit loss expense from a customer's contractual defaults, which is now subject to litigation. Total revenue decreased sharply to $7.148 million for the nine months ended September 30, 2025, down from $14.122 million in the same period of 2024, with product revenue falling from $13.397 million to $5.584 million. Operating loss widened to $10.844 million from $2.715 million year-over-year. The company used $6.707 million in net cash from operating activities but received $7.269 million from financing activities, including $2.145 million from Clyra Medical preferred series B and $1.894 million from Clyra unit warrant offering. As of September 30, 2025, BLGO had $4.546 million in cash and cash equivalents and working capital of $2.324 million, but management expressed substantial doubt about its ability to continue as a going concern without increased revenues or further investment capital.

Why It Matters

This filing reveals significant financial distress for BioLargo, with a substantial net loss and declining revenue raising going concern doubts. For investors, the 50% drop in total revenue and the $3.849 million credit loss expense signal severe operational challenges and potential write-downs, impacting future profitability and stock value. Employees might face job insecurity if the company curtails operations due to capital constraints. Customers could see disruptions in service or product availability if the company struggles to fund its business plans. In the competitive environmental technology market, BioLargo's liquidity issues could hinder its ability to develop and commercialize its innovative platform technologies, potentially ceding market share to better-capitalized rivals.

Risk Assessment

Risk Level: high — The company reported a net loss of $11.047 million for the nine months ended September 30, 2025, and used $6.707 million in net cash from operating activities. Management explicitly stated, "The foregoing factors raise substantial doubt about our ability to continue as a going concern, unless we are able to increase revenues, generate cash from operations, and/or generate cash from financing activities."

Analyst Insight

Investors should exercise extreme caution and consider divesting or avoiding BLGO shares due to the explicit 'going concern' warning, significant net losses, and declining revenues. Monitor the outcome of the litigation related to the $3.849 million credit loss and any new financing activities, as these will be critical for the company's survival.

Financial Highlights

debt To Equity
1.84
revenue
$7,148,000
operating Margin
-151.7%
total Assets
$9,130,000
total Debt
$11,948,000
net Income
-$11,047,000
eps
N/A
gross Margin
-39.6%
cash Position
$4,546,000
revenue Growth
-49.4%

Revenue Breakdown

SegmentRevenueGrowth
Product revenue$5,584,000-58.3%
Service revenue$1,564,000+115.7%

Key Numbers

Key Players & Entities

FAQ

What was BioLargo's net loss for the nine months ended September 30, 2025?

BioLargo reported a net loss of $11.047 million for the nine months ended September 30, 2025, which is significantly higher than the $2.615 million net loss for the same period in 2024.

How much revenue did BioLargo generate in the nine months ended September 30, 2025?

BioLargo generated total revenue of $7.148 million for the nine months ended September 30, 2025, a decrease from $14.122 million in the corresponding period of 2024.

What was the primary reason for the increased net loss at BioLargo?

The primary reason for the increased net loss was a $3.849 million credit loss expense, which resulted from a customer's contractual defaults and is currently the subject of litigation.

Does BioLargo have enough cash to continue operations?

As of September 30, 2025, BioLargo had $4.546 million in cash and cash equivalents. However, management stated that gross profits are not expected to be sufficient to fund current operations for the remainder of 2025, raising substantial doubt about its ability to continue as a going concern.

What is BioLargo's working capital position?

As of September 30, 2025, BioLargo had current assets of $5.775 million and current liabilities of $3.451 million, resulting in working capital of $2.324 million.

What are the key risks highlighted in BioLargo's 10-Q filing?

The key risks include substantial doubt about the company's ability to continue as a going concern, significant net losses, declining revenues, and a large credit loss expense from customer defaults.

How did BioLargo fund its operations during the nine months ended September 30, 2025?

BioLargo used $6.707 million in net cash from operating activities but received $7.269 million in net cash from financing activities, including proceeds from the sale of common stock, Clyra Medical preferred series B, and Clyra unit warrant offerings.

What is BioLargo's business strategy?

BioLargo invents, develops, and commercializes platform technologies for environmental problems like PFAS contamination and water treatment. Its strategy involves developing and validating technologies, then monetizing them through licensure, joint ventures, sales, spin-offs, or direct-to-market approaches.

What is the status of the credit loss expense mentioned by BioLargo?

The $3.849 million credit loss expense resulted from a customer's contractual defaults and is currently the subject of ongoing litigation, as noted in the filing.

What impact does the 'going concern' warning have on BioLargo investors?

The 'going concern' warning indicates that BioLargo may not be able to meet its financial obligations in the long term without additional capital or increased revenues, posing a significant risk of investment loss for shareholders.

Risk Factors

Industry Context

BIOLARGO operates in the environmental technology and medical device sectors. The environmental sector is characterized by increasing regulatory scrutiny and demand for sustainable solutions. The medical device sector is highly competitive, driven by innovation, regulatory approvals, and market access. Companies in these fields often face long development cycles and significant R&D investments.

Regulatory Implications

The company's operations, particularly in environmental solutions, may be subject to various environmental regulations. Any product claims or marketing related to medical devices would fall under FDA or equivalent international body oversight. Non-compliance could lead to fines, product recalls, or operational shutdowns.

What Investors Should Do

  1. Monitor litigation outcome
  2. Assess cash burn rate
  3. Evaluate revenue recovery potential
  4. Scrutinize financing activities

Key Dates

Glossary

Accumulated deficit
The total cumulative net losses of a company since its inception, minus any cumulative net income. (Indicates the company has historically incurred more losses than profits, standing at ($158,327,000) as of September 30, 2025.)
Going concern
An assumption that a company will continue to operate for the foreseeable future, typically at least the next 12 months. (Management's doubt about this status highlights severe financial distress and potential for bankruptcy.)
Credit loss expense
An expense recognized for the estimated losses on loans or receivables that are unlikely to be collected. (A significant $3.849 million expense due to customer defaults is a major driver of the current period's net loss.)
Working capital
The difference between a company's current assets and current liabilities, indicating its short-term financial health. (A positive working capital of $2.324 million exists, but its sustainability is questionable given the operating losses.)
Non-controlling interest
The portion of equity in a subsidiary that is not attributable to the parent company. (A negative non-controlling interest of ($3,365,000) suggests potential future obligations or losses attributed to minority shareholders.)

Year-Over-Year Comparison

For the nine months ended September 30, 2025, BIOLARGO, INC. experienced a dramatic downturn compared to the prior year. Total revenue fell by nearly 50% from $14.122 million to $7.148 million, primarily due to a collapse in product revenue. This revenue decline, coupled with a significant $3.849 million credit loss expense, led to a net loss widening from $2.615 million to $11.047 million. Operating margins have severely deteriorated, reflecting the challenging financial performance.

Filing Stats: 4,952 words · 20 min read · ~17 pages · Grade level 20 · Accepted 2025-11-14 17:14:07

Key Financial Figures

Filing Documents

Financial Statements

Financial Statements 1 Item 2

Management's Discussion and Analysis and Financial Condition and Results of Operations

Management's Discussion and Analysis and Financial Condition and Results of Operations 27 Item 4

Controls and Procedures

Controls and Procedures 38 PART II Item 2 Unregistered Sales of Equity Securities and Use of Proceeds 40 Item 5 Other Information 40 Item 6 Exhibits 41

Signatures

Signatures 43 Table of Contents

– FINANCIAL INFORMATION

PART I – FINANCIAL INFORMATION

Financial Statements

Item 1. Financial Statements - 1 - Table of Contents BIOLARGO, INC. AND SUBSIDIARIES CONDENSED CONSOLIDATED BALANCE SHEETS (in thousands, except for share and per share data) September 30, 2025 December 31, (unaudited) 2024 Assets Current assets: Cash and cash equivalents $ 4,546 $ 3,548 Accounts receivable, net of allowances 761 3,168 Inventories 409 330 Prepaid expenses and other current assets 59 91 Total current assets 5,775 7,137 Equipment and leasehold improvements, net 1,664 1,742 Other non-current assets 116 95 Operating lease right-of-use assets, net 1,070 992 Financing lease right-of-use asset, net 400 451 Clyra Medical note receivable 82 82 Investment in South Korean joint venture 23 14 Total assets $ 9,130 $ 10,513 Liabilities and stockholders' equity Current liabilities: Accounts payable and accrued expenses $ 891 $ 946 Clyra Medical accounts payable and accrued expenses 1,134 867 Clyra Medical debt obligations, net of discount $ 161 and $ 80 1,033 486 Debt obligations 83 66 Operating lease liabilities 142 105 Finance lease liability 88 88 Deposits 80 90 Total current liabilities 3,451 2,648 Long-term liabilities: Debt obligations, net of current 190 175 Clyra Medical debt obligations, net of current and discount $ 55 and $ 80 1,010 352 Operating lease liabilities, net of current 969 922 Finance lease liability, net of current 295 360 Total long-term liabilities 2,464 1,809 Total liabilities 5,915 4,457 STOCKHOLDERS' EQUITY: Preferred Series A, $ 0.00067 Par Value, 50,000,000 Shares Authorized, no Shares Issued and Outstanding, at September 30, 2025 and December 31, 2024 — — Common stock, $ 0.00067 Par Value, 550,000,000 Shares Authorized, 311,452,683 and 301,274,243 Shares Issued, at September 30, 2025 and December 31, 2024 208 202 Additional paid-in capital 164,894 158,332 Accumulated deficit ( 158,327 ) ( 149,500 ) Accumulated other c

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