Aldeyra Therapeutics, Inc.

ALDXNASDAQHealthcare● Active

$1.74

+$0.11(+6.75%)

Market Cap$104958658

P/E Ratio—

52W High$6.175

52W Low$1.07

Avg Volume3.1M

Open$1.90

Beta1.19

Free Cash Flow Financials Revenue

Aldeyra Therapeutics, Inc. (ALDX) Free Cash Flow & Analysis

Annual & trailing free cash flow, FCF margin, YoY change, valuation ratios, and peer context.

ALDX · free cash flow · updated Jun 8, 2026

Core FCF metrics

ALDX · FCF · TTM · margin & CAGR

Free cash flow was −$33.3M for FY2025 (fiscal year ending 2025-12-31), up 22.8% year-over-year

FY2025 Free Cash Flow−$33.3M▲ +22.8% YoY

Trailing 12M (TTM)−$26.0Mtrailing 4 quarters sum

FCF Margin——

3-Year CAGRN/AN/A — contains negative FCF

5-Year CAGRN/AN/A — contains negative FCF

FormulaFCF = Operating Cash Flow − Capital ExpendituresTTM = trailing 4 quarters sumCAGR → N/A if either endpoint ≤ 0

Source: FMP /cash-flow-statement · SEC 10-K / 10-Q · USDUpdated: Jun 8, 2026

Annual free cash flow history

FCF ($B, upper) · YoY Growth % (lower)

Positive FCFNegative FCF

Free Cash Flow

YoY Growth %

Annual free cash flow data

ALDX · free cash flow history · annual / quarterly

Fiscal YearOperating CFCapExFree Cash FlowYoY ChangeFCF Margin

FY2025Latest−$33.3M(0M)−$33.3M▲ +22.8%—

FY2024−$43.2M(0M)−$43.2M▼ 42.5%—

FY2023−$30.3M(0M)−$30.3M▲ +46.5%—

FY2022−$56.6M(0M)−$56.7M▼ 33.1%—

FY2021−$42.6M(0M)−$42.6M▼ 13.5%—

FCF = Operating Cash Flow − Capital Expenditures · CapEx shown as (negative) · Source: SEC filings via FMP

FCF valuation metrics

ALDX · P/FCF · FCF yield · FCF per share

Aldeyra Therapeutics, Inc. (ALDX) reported negative free cash flow of −$0.03B. FCF-based valuation ratios are not meaningful when FCF is negative.

FCF Yield (TTM)

N/A

Free Cash Flow ÷ Market Cap

per FMP freeCashFlowYieldTTM definition

FCF per Share (TTM)

N/A

TTM FCF ÷ Shares Outstanding

Price / FCF

N/A

Share Price ÷ FCF per Share

EV / FCF (TTM)

N/A

Enterprise Value basis

FCF-based valuation ratios are only meaningful when free cash flow is positive. Negative FCF indicates capital expenditures exceeded operating cash flow.

Source: FMP /key-metrics-ttm · /cash-flow-statement Q · /income-statementFY2025 · 2025-12-31

Cash flow statement summary

ALDX · cash flow statement · operating / investing / financing

For FY2025, Aldeyra Therapeutics, Inc. generated −$33.3M in operating cash flow and spent 0M in capital expenditures, yielding −$33.3M in free cash flow.

Operating Activities

−$33.3M

Cash from core business operations

2025-12-31

Investing Activities

+$47.7M

CapEx, acquisitions & investments

2025-12-31

Financing Activities

+$1.1M

Buybacks, dividends & debt

2025-12-31

FCF FormulaOperating CF (−$33.3M) − |CapEx| (0M) = FCF (−$33.3M)

For the complete Operating / Investing / Financing line-item breakdown:

View Full Cash Flow Statement →

Free cash flow vs peers (Healthcare)

ALDX vs peers · FCF

#CompanyFree Cash FlowYoYFCF MarginRelative

Aldeyra Therapeutics, Inc.YOU

ALDX

−$33.3M+22.8%—

Loss

UnitedHealth Group Incorporated

UNH

$16.07B-22.4%3.6%

82%

Eli Lilly and Company

LLY

$8.97B+2065.6%13.8%

46%

Healthcare · Sorted by FCF · FMP /cash-flow-statementFull FCF Rankings →

About Free Cash Flow & Methodology

Aldeyra Therapeutics, Inc. (ALDX) reported free cash flow of −$33.3M for FY2025 (fiscal year ending 2025-12-31), up 22.8% year-over-year.

Aldeyra Therapeutics, Inc. has reported negative free cash flow in recent periods, indicating capital expenditures have exceeded operating cash flow. Data available for 15 fiscal years.

Data sourced from FMP /cash-flow-statement · SEC 10-K / 10-Q · USD.

Q&A and summaries align with SEC 10-K/10-Q cash flow disclosures and FMP /cash-flow-statement where noted.

Revenue Financial statements Net income Earnings Forecast Price history Market cap Cash on hand P/E ratio

Frequently asked questions

ALDX free cash flow · 8 questions

Aldeyra Therapeutics, Inc. free cash flow was −$33.3M for FY2025, up 22.8% year-over-year. On a trailing twelve-month (TTM) basis, free cash flow stands at −$26.0M.

ALDX free cash flowALDX FCFALDX FCF 2025ALDX free cash flow TTM

▸ Source: FMP /cash-flow-statement · US GAAP · Aldeyra Therapeutics, Inc. · Aldeyra Therapeutics, Inc. SEC 10-K & 10-Q filings · US GAAP · Last updated: Jun 8, 2026