Aldeyra Therapeutics, Inc. ALDX

1.21 (0.01) (0.82%) as of 25 Sep
Market cap
$73.6M
P/E
0.0×
Insider Buys alert about insiders buying in the last 12 month

Insider Decisions

Total buys 0.52
in millions of $
Nov 25 Feb 26 May 26 Aug 26
Buy — — — — — 2 — — 1 — — —
Sell — — — — — — — — — — — —
Insider Ownership 3.68%

Capital & Financial Ratios

Market Cap 73.60
Revenue —
Net Income (23.05)
Free Cash Flow (22.04)
Net Debt (45.09)
Current Ratio 4.91
Debt/Equity 0.00
P/E ratio 0.00
P/S ratio 0.00
P/B ratio 1.93
Past 5Y EPS Growth 15.99%
This Y EPS Growth 39.29%
Next Y EPS Growth 18.24%
Next 5Y EPS Growth 36.26%
in millions of $

Dividends

Payout Ratio 0.00
Annual Dividend Rate —
Annual Dividend Yield —
total individual payouts
2025 Powerpack
2024 Powerpack
2023 Powerpack
2022 Powerpack
2021 Powerpack
2020 Powerpack
2019 Powerpack
2017 Powerpack
predictions in italic, special payouts not included in total or ratios

Assets vs Liabilities

2023 2024 2025 Q'26
Cash 143 101 70 45
Receivables — — — —
Inventory — — — —
Other — — — —
148 104 72 47
2023 2024 2025 Q'26
Payables 1 0 0 0
ST’ Debt 15 0 15 —
Other — — — —
22 19 28 10
in millions of $

Compound Annual Growth

10y 5y 3y
Sales — — —
Cash Flow 0.00% 0.00% 0.00%
Earnings 0.00% 0.00% 0.00%
Book Value 5.93% (5.75%) (33.58%)

Revenue

Year
in millions of $ · fiscal quarters ending in the months shown

Operating Cash Flow

Mar Jun Sep Dec Year
’26 (5) (5) — — —
’25 (12) (9) (7) (5) (33)
’24 (10) (13) (8) (12) (43)
’23 (9) (13) (8) 1 (30)
’22 (13) (20) (13) (11) (57)
’21 (13) (9) (8) (12) (43)
’20 (15) (8) (6) (8) (37)
in millions of $ · fiscal quarters ending in the months shown

Free Cash Flow

Mar Jun Sep Dec Year
’26 (5) (5) — — —
’25 (12) (9) (7) (5) (33)
’24 (10) (13) (8) (12) (43)
’23 (9) (13) (8) 1 (30)
’22 (13) (20) (13) (11) (57)
’21 (13) (9) (8) (12) (43)
’20 (15) (8) (6) (8) (37)
in millions of $ · fiscal quarters ending in the months shown

EPS

Mar Jun Sep Dec Year
’26 (0.06) (0.09) — — —
’25 (0.17) (0.16) (0.13) (0.11) (0.56)
’24 (0.14) (0.28) (0.25) (0.27) (0.94)
’23 (0.27) (0.15) (0.14) (0.08) (0.64)
’22 (0.29) (0.30) (0.25) (0.22) (1.06)
’21 (0.25) (0.28) (0.27) (0.27) (1.07)
’20 (0.34) (0.25) (0.23) (0.35) (1.11)
fiscal quarters ending in the months shown

Target Price Range

Analyst price targets

Recommendation Rating

1.4
1Buy 2 3Hold 4 5Sell
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028
3.39 3.80 6.25 4.31 1.48 3.37 2.36 1.42 2.71 1.14

Analyst estimates 2026–2028

Powerpack
Low Price
8.19 11.90 16.70 12.79 8.70 15.95 7.99 11.97 6.55 7.20
High Price
11 12 19 20 11 12 15 10 9 8
Employees
0 0 0 0 0 0 0 0 0 0
Revenue/Emp
— — — — — — — — — —
Revenue
0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% — — —
Gross Margin
(19) (22) (39) (62) (38) (58) (62) (38) (56) (34)
EBT
0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
EBT Margin
(19) (22) (39) (61) (38) (58) (62) (38) (56) (34)
Net Income
0 0 0 0 1 0 0 0 (1) (1)
Depreciation
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Revenue/Sh
(1.65) (1.40) (1.79) (2.24) (1.11) (1.07) (1.06) (0.64) (0.94) (0.56)
Earnings/Sh
(1.33) (1.21) (1.38) (1.66) (1.10) (0.79) (0.97) (0.51) (0.73) (0.56)
Cash Flow/Sh
0.00 0.00 (0.01) 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Capex/Sh
(1.34) (1.21) (1.39) (1.66) (1.10) (0.79) (0.97) (0.51) (0.73) (0.56)
Free CF/Sh
1.91 2.49 3.99 1.77 1.75 3.81 2.59 2.03 1.19 0.74
Book Value/Sh
11 16 22 27 34 54 58 59 59 60
Shares
— — — — — — — — — —
PE Ratio
— — — — — — — — — —
PS Ratio
— — — — — — — — — —
PB Ratio
— — — — — — — — — —
EV/Sales
— — — — — — — — — —
EV/FCF
(15) (19) (30) (45) (37) (43) (57) (30) (43) (33)
Op' Cash Flow
0 0 0 0 — 0 0 — — —
Capex
(15) (19) (30) (45) (37) (43) (57) (30) (43) (33)
FCF
23 41 86 62 71 221 166 126 85 44
Working Cap'
1 1 — 15 15 16 16 15 15 15
Total Debt
(24) (42) (94) (59) (63) (214) (158) (128) (86) (55)
Net Debt
22 40 87 48 60 206 151 120 71 44
Sh' Equity
(70.05%) (64.42%) (55.85%) (71.31%) (47.28%) (36.51%) (29.93%) (22.78%) (44.16%) (38.32%)
ROA
0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
ROIC
(80.38%) (72.95%) (61.63%) (90.31%) (69.81%) (43.56%) (34.77%) (27.73%) (58.54%) (58.73%)
ROE
predictions in italic, sparklines do not include predictions

All 10 years →

Aldeyra Therapeutics, Inc. (ALDX) key facts

  • Aldeyra Therapeutics, Inc. (ALDX) is a Biotechnology company in the Healthcare sector, listed on Nasdaq.
  • Aldeyra Therapeutics, Inc. reported a net loss of $33.8 million, or a loss of $0.56 per share, for fiscal 2025.
  • As of September 25, 2026, ALDX traded at $1.21, a market capitalization of $73.6 million.
  • Return on equity was −58.7% and debt-to-equity 0.00.

Source: company filings (standardised) and stockrow calculations.

Aldeyra Therapeutics, Inc. (ALDX) Latest News

News by impact score

Fine-tune

7 Sep

4

Aldeyra Therapeutics (ALDX) stock shows sharp gains over the past month driven by unspecified rally factors. 144% stock surge signals major shift in investor sentiment and company trajectory.

4 Jun

4

Aldeyra Therapeutics awaits imminent FDA feedback on its dry eye drug, now at a pivotal approval decision point that will determine next steps for the candidate. Pending FDA feedback on the lead dry eye candidate represents a binary regulatory outcome capable of materially shifting company trajectory and valuation.

18 Mar

5

Aldeyra Therapeutics (ALDX) stock plunged 71% after the FDA issued its third Complete Response Letter for the New Drug Application of its dry eye disease drug reproxalap. Third FDA CRL for reproxalap NDA caused 71% stock crash, fundamentally threatening ALDX's pipeline viability and long-term prospects.

5

Aldeyra Therapeutics' stock plunged after FDA rejected reproxalap for dry eye disease due to insufficient efficacy data; Aspen Pharmacare released positive new Parkinson's data from its IPX203 trial. FDA rejection of lead candidate reproxalap eliminates Aldeyra's nearest-term revenue opportunity and fundamentally jeopardizes its clinical pipeline and valuation.

5

FDA issued a Complete Response Letter to Aldeyra Therapeutics' new drug application for reproxalap, signaling deficiencies requiring resolution before approval. FDA CRL blocks reproxalap approval, fundamentally undermining Aldeyra's lead pipeline asset and long-term prospects.

4

FDA issued a Complete Response Letter to Aldeyra Therapeutics' new drug application for reproxalap, citing deficiencies that prevent approval and require further resolution. FDA's CRL halts reproxalap approval process for Aldeyra, delaying potential revenue and likely triggering sharp stock decline.

17 Mar

5

Aldeyra Therapeutics received a Complete Response Letter from the FDA for its reproxalap New Drug Application targeting signs and symptoms of dry eye disease. FDA's Complete Response Letter rejects reproxalap NDA, derailing Aldeyra's lead drug approval and profoundly harming its pipeline and stock prospects.

4

Aldeyra Therapeutics shares fell pre-bell after the US FDA responded to their dry eye drug application, citing a lack of efficacy data. FDA's refusal letter highlighting insufficient efficacy data for the lead dry eye candidate delays approval and significantly pressures the biotech's pipeline and valuation.

25 Feb

4

Aldeyra Therapeutics CEO highlighted Reproxalap at the Oppenheimer Conference ahead of the March 16 FDA decision. CEO spotlight on Reproxalap builds anticipation for pivotal FDA decision that could significantly boost ALDX's trajectory and investor sentiment.

19 Feb

4

Wall Street analysts expect Aldeyra Therapeutics (ALDX) to rally 79.28%, highlighting strong upside potential based on their consensus price target. Analysts' consensus price target implies 79.28% upside, likely driving significant investor sentiment and market performance shifts.

3 Feb

4

Wall Street analysts project a 65.75% upside for Aldeyra Therapeutics, Inc. (ALDX), driven by positive developments in its clinical pipeline and potential market opportunities. The company's focus on innovative therapies for immune-mediated diseases positions it favorably in the biotech sector. Investors are encouraged to consider the implications of these forecasts on ALDX's stock performance and overall market sentiment. Analysts' projections indicate significant potential for growth based on the company's clinical advancements and market positioning.

4

Aldeyra Therapeutics, Inc. (ALDX) has shown strong performance this year, outpacing many medical stocks. The company's advancements in drug development and positive clinical trial results have contributed to its growth. Investors are increasingly optimistic about Aldeyra's future prospects, particularly in the treatment of rare diseases. Comparatively, other medical stocks have struggled, leading to questions about their market positioning relative to Aldeyra. Analysts suggest that Aldeyra's innovative approach and strategic initiatives may continue to drive its success in the competitive landscape. Aldeyra's advancements in drug development and positive clinical results are likely to significantly impact its future performance and investor sentiment.

20 Jan

3

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among three promising penny stocks, indicating potential investment opportunities. The company is noted for its innovative approaches in treating various diseases, which may attract investor interest. Market analysts suggest that ALDX's unique product pipeline could lead to significant growth, making it a stock to watch in the current market landscape. Aldeyra's innovative product pipeline may moderately influence its financial performance and market positioning.

22 Dec

3

Aldeyra Therapeutics, Inc. (ALDX) is highlighted as a promising penny stock alongside two others, suggesting potential investment opportunities. The company is noted for its innovative approaches in treating various diseases, which may attract investor interest. Market analysts are optimistic about its future prospects, particularly in light of recent developments and ongoing research efforts. Aldeyra's innovative approaches and ongoing research efforts may moderately influence its financial performance and market positioning.

16 Dec

3

Aldeyra Therapeutics, Inc. announced that the FDA has extended the action date for its potential treatment for dry eye disease. As a result, shares of the company fell in pre-market trading. The FDA's extension of the action date may moderately influence investor sentiment and the company's market performance.

15 Dec

4

Aldeyra Therapeutics, Inc. announced an extension of the Prescription Drug User Fee Act (PDUFA) date for its New Drug Application (NDA) of Reproxalap, a treatment for Dry Eye Disease. The new PDUFA date is set for March 2024, allowing additional time for the FDA to review the application. This extension follows the company's submission of additional data to support the NDA, which aims to address the unmet needs in the treatment of dry eye disease. The PDUFA extension indicates significant regulatory scrutiny and potential implications for product launch timelines, impacting investor sentiment and market positioning.

8 Dec

3

Aldeyra Therapeutics, Inc. (NASDAQ:ALDX) has experienced a 10% pullback recently, contributing to a one-year loss for the company. This decline raises concerns among institutional investors, who may consider taking drastic measures in response to the stock's performance. The recent pullback and ongoing losses may moderately influence investor sentiment and the company's financial performance.

13 Nov

4

Aldeyra Therapeutics, Inc. announced the expansion of its RASP platform to include central nervous system diseases, aiming to broaden its therapeutic applications. The company also provided updates on Reproxalap during a research and development webcast, highlighting ongoing efforts to advance its pipeline and address unmet medical needs. The expansion into central nervous system diseases represents a significant strategic move that could enhance Aldeyra's product offerings and market position.

6 Nov

4

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among high-growth tech stocks in the US market as of November 2025, showcasing its potential for significant advancements in the biotechnology sector. The company is noted for its innovative approaches and promising pipeline, which may attract investor interest and drive market performance. Aldeyra's innovative pipeline and growth potential are likely to significantly impact its market performance and investor sentiment.

4

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among three high-growth tech stocks in the U.S. market, showcasing its potential for significant advancements in the biotech sector. The company focuses on innovative therapies for immune-mediated diseases, with promising clinical trials and a strong pipeline that could enhance its market position. Investors are encouraged to consider ALDX as part of a diversified portfolio, given its growth prospects and the evolving landscape of biotechnology. Aldeyra's innovative therapies and strong clinical pipeline are likely to significantly impact its market performance and investor sentiment.

5 Nov

4

Aldeyra Therapeutics, Inc. (ALDX) is highlighted as a promising investment opportunity in the high-growth tech sector within the US market. The company is focused on innovative therapies for immune-mediated diseases, with a strong pipeline and recent advancements in clinical trials. Investors are encouraged to consider ALDX as part of a diversified portfolio aimed at capitalizing on emerging technologies and healthcare solutions. Aldeyra's advancements in clinical trials and innovative therapies are likely to significantly impact its market performance and investor sentiment.

4 Nov

4

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among three high-growth tech stocks in the US market, showcasing its potential for significant advancements in the biotech sector. The company focuses on innovative therapies for immune-mediated diseases and has made strides in clinical trials, which could enhance its market position and investor interest. The article emphasizes the importance of ongoing research and development efforts in driving future growth. Significant advancements in clinical trials and product development could substantially influence Aldeyra's market performance and investor sentiment.

3 Nov

4

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among three high-growth tech stocks in the U.S. market, showcasing its potential for significant advancements in the biotech sector. The company focuses on innovative therapies for immune-mediated diseases, with promising clinical trials and a strong pipeline that could enhance its market position. Investors are encouraged to consider ALDX's growth trajectory as it navigates the competitive landscape of biotechnology. Aldeyra's advancements in innovative therapies and strong clinical trial results are likely to significantly impact its market performance and investor sentiment.

31 Oct

4

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among high-growth tech stocks in the US market, showcasing its promising potential in the biotechnology sector. The company is recognized for its innovative therapies aimed at treating various ocular and systemic diseases, which could significantly enhance its market position and attract investor interest. With a focus on advancing its clinical programs and expanding its product pipeline, Aldeyra is positioned for potential growth amidst a competitive landscape. Aldeyra's advancements in innovative therapies and potential product launches are likely to significantly impact its market performance and investor sentiment.

3

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among high-growth tech stocks in the U.S. with promising potential. The company is noted for its innovative approaches in treating various diseases, particularly in the field of ocular and systemic conditions. Investors are encouraged to consider ALDX as part of a diversified portfolio, given its strong pipeline and recent advancements in research and development. Aldeyra's innovative approaches and strong pipeline may moderately influence its financial performance and competitive positioning.

30 Oct

4

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among high-growth tech stocks to watch in October 2025, reflecting its potential for significant advancements in the biotech sector. The company is recognized for its innovative therapies targeting rare diseases and its strategic initiatives aimed at enhancing market presence. Investors are encouraged to monitor ALDX for developments that could influence its growth trajectory. Aldeyra's strategic initiatives and innovative therapies are likely to significantly impact its market performance and investor sentiment.

29 Oct

4

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among high-growth tech stocks in the US market, showcasing its potential for significant advancements in the biotech sector. The company is focused on developing innovative therapies for immune-mediated diseases, with promising clinical trial results that could enhance its market position. Investors are closely monitoring ALDX's progress, particularly in relation to upcoming product launches and regulatory approvals, which may influence its stock performance and overall growth trajectory. Upcoming product launches and regulatory approvals are likely to significantly impact Aldeyra's market performance and investor sentiment.

3

Aldeyra Therapeutics, Inc. has made significant changes to its pipeline, deciding to discontinue a program despite achieving success in a Phase II trial. The company is focusing on its core assets and strategic priorities, which may lead to a more streamlined approach in its development efforts. The pipeline reshuffle indicates a moderate shift in strategic focus that could influence future product development and market positioning.

28 Oct

4

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among high-growth tech stocks in the US market, showcasing its promising potential for investors. The company is recognized for its innovative approaches in the biotechnology sector, particularly in developing treatments for various diseases. With a focus on advancing its product pipeline and strategic initiatives, Aldeyra is positioned to capitalize on emerging market opportunities, attracting attention from investors seeking growth in the tech and biotech fields. Aldeyra's strategic initiatives and product pipeline advancements are likely to significantly impact its future performance and investor sentiment.

3

Aldeyra Therapeutics, Inc. (ALDX) is highlighted among US high-growth tech stocks to watch, indicating potential investor interest and market attention. The company is involved in innovative therapies for immune-mediated diseases, which may attract further scrutiny and investment as the market evolves. Recent developments in the biotech sector suggest a favorable environment for companies like Aldeyra, positioning them for potential growth. Aldeyra's focus on innovative therapies may moderately influence its market performance and investor sentiment.

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