Ask OQRO reads the filings behind this page and answers in plain words, with a link to each source.
Ask OQRO is part of OQRO Pro. Everything else on OQRO is free.
Only to see which pages are hard to use, so we can fix them. Nothing is used for ads, and what you type stays hidden (Microsoft Clarity, PostHog). Privacy Policy
ALDX · NASDAQ · Pharmaceutical Preparations
Aldeyra Therapeutics (ALDX) · oqro.io/stocks/ALDX · printed today. Every figure comes from a public filing, linked on the page online. Not investment advice.
$0.6438+0.0137 (+2.17%)
Close of Nov 13, 2026, vs Nov 12 · end-of-day, not a live quote
Including 19 routine filings (option exercises, tax withholding, grants, gifts). Open-market trades only
Insider buying
Traded Nov 11 · filed 2 days later
Since the trade −1.2% · S&P 500 −0.7% · to Nov 13
An Aldeyra Therapeutics director paid $129K out of pocket for Aldeyra Therapeutics shares. 1 other person at Aldeyra Therapeutics bought some too, in the same month. It was the first purchase in 8 months.
Insider buying
Traded Nov 11 · filed 2 days later
Since the trade −1.2% · S&P 500 −0.7% · to Nov 13
The CFO of Aldeyra Therapeutics paid $6.5K out of pocket for Aldeyra Therapeutics shares. 1 other person at Aldeyra Therapeutics bought some too, in the same month. It was the first purchase in 8 months.
Traded Jun 9, 2026 · largest single transaction 3,318
Jun 9, 20263,318
DetailsOfficial recordTraded Jun 9, 2026 · largest single transaction 70K
Jun 9, 202670K
DetailsOfficial recordTraded Jun 9, 2026 · largest single transaction 70K
Jun 9, 202670K
DetailsOfficial recordTraded Jun 9, 2026 · largest single transaction 70K
Jun 9, 202670K
DetailsOfficial recordTraded Jun 9, 2026 · largest single transaction 70K
Jun 9, 202670K
DetailsOfficial recordTraded Jun 9, 2026 · largest single transaction 5,309
Jun 9, 20265,309
DetailsOfficial recordTraded Jun 9, 2026 · largest single transaction 85K
Jun 9, 202685K
DetailsOfficial recordInsider buying
6 days before an 8-KTraded Jun 3 · filed 2 days later
Since the trade −65.4% · S&P 500 0.0% · to Nov 13
The CEO of Aldeyra Therapeutics paid $418K out of pocket for Aldeyra Therapeutics shares. Shares held went up 17% with this purchase.
Traded Mar 27, 2026 · largest single transaction 1.88M
Mar 27, 20261.88M
DetailsOfficial recordInsider buying
First buy since 2020Traded Mar 19 · filed 1 day later
Since the trade −64.8% · S&P 500 +14.3% · to Nov 13
An Aldeyra Therapeutics director paid $98K out of pocket for Aldeyra Therapeutics shares. 1 other person at Aldeyra Therapeutics bought some too, in the same month. Shares held went up 56% with this purchase.
Insider buying
Traded Mar 18 · filed 1 day later
Since the trade −54.7% · S&P 500 +14.1% · to Nov 13
The CFO of Aldeyra Therapeutics paid $7.1K out of pocket for Aldeyra Therapeutics shares. 1 other person at Aldeyra Therapeutics bought some too, in the same month. Shares held went up 200% with this purchase.
Insider buying
Traded Aug 13, 2025 · filed 2 days later
Since the trade −88.0% · S&P 500 +17.0% · to Nov 13
The CFO of Aldeyra Therapeutics paid $13K out of pocket for Aldeyra Therapeutics shares. It was the first purchase in over a year.
Stephen Machatha (Chief Development Officer) sold ~$114K of Aldeyra Therapeutics
Automatic saleInsider selling
Traded Apr 3, 2025 · filed 4 days laterNot reported under a pre-arranged trading plan
Since the trade −54.7% · S&P 500 +40.6% · to Nov 13
A major shareholder of Aldeyra Therapeutics sold $4.83M of Aldeyra Therapeutics shares. The filing does not indicate a pre-arranged trading plan.
Traded May 3 – Apr 12, 2023 · largest single transaction ~$5.3K
Apr 12, 2023~$5.2K · 509 sh @ $10.13
DetailsOfficial recordJun 9, 202670K
Jun 9, 20262,323
DetailsOfficial recordJun 9, 20264,977
DetailsOfficial recordJun 9, 202670K
DetailsOfficial recordMay 3, 2021~$5.3K · 413 sh @ $12.81
DetailsOfficial record7 open-market purchases and 2 open-market sales by insiders of ALDX between Jul 6, 2022 and today, placed against the company's last 4 earnings releases. The latest on file was filed May 4, 2023. The data provider lists the next release for Feb 25, 2027; that date may change.
PurchaseSale30 days before a release30 days after
| Earnings release | 30 days before | On the day | 30 days after |
|---|---|---|---|
| May 4, 2023 | 1 purchase | None | None |
| Mar 9, 2023 | None | None | None |
| Nov 10, 2022 | None | None | None |
| Aug 5, 2022 | None | None | None |
Companies set trading windows, which usually close shortly before results and reopen after them, and insiders may trade under 10b5-1 plans adopted months earlier. A date alone does not show what a person knew or why they traded. Past release dates are the dates the company filed its 8-K with Item 2.02. An upcoming date, when one is mentioned, comes from the data provider's earnings calendar (Finnhub): it is not a company filing, it is not estimated by OQRO, and it may change. Open-market purchases and sales as reported on Form 4. Largest purchases around earnings, all companies
