Insider · CIK 0001744687
Michael Alfieri
Files at ALDX (Aldeyra Therapeutics, Inc.). First filing Aug 15, 2025, latest Mar 19, 2026.
In brief
Michael Alfieri files SEC Form 4 as officer at ALDX (Aldeyra Therapeutics, Inc.). Since Aug 15, 2025, Michael Alfieri has reported 2 open-market buys worth $20k and 0 open-market sells worth $0, the latest filed on Mar 19, 2026.
A track record needs three past buys with six months of prices behind them; Michael Alfieri has 0, so none is measured yet.
The newest scored trade: bought $7,100 of ALDX on Mar 18, 2026, filed Mar 19, 2026, scored 41 (moderate). In the last 12 months: 1 buy worth $7,100 and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ALDX: Aldeyra Therapeutics, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 41Moderate | Aldeyra Therapeutics, Inc. | $7,100 5,000 shares | +200% | +15% from low-79% from high | |
| 27Weak | ALDXbuy Aldeyra Therapeutics, Inc. | $13k 2,500 shares | - | +278% from low-23% from high |
Transactions
Every row this insider has filed, 2 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 18, 2026 | ALDX Aldeyra Therapeutics, Inc. | POpen-market purchase Common Stock | +5,000 | $1.42 | $7,100 | 7,500 | Mar 19, 2026 |
| Aug 13, 2025 | ALDX Aldeyra Therapeutics, Inc. | POpen-market purchase Common Stock | +2,500 | $5.30 | $13k | 2,500 | Aug 15, 2025 |
Questions about Michael Alfieri
Answered from the filings on this page, as of the latest one.
Is Michael Alfieri buying or selling?
In the last 12 months Michael Alfieri reported 1 open-market buy worth $7,100 and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $7,100 of ALDX on Mar 18, 2026. Grants, option exercises and tax withholding are not counted.
How did Michael Alfieri's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Michael Alfieri has 0.
Where does Michael Alfieri file Form 4?
Michael Alfieri has filed Form 4 at ALDX (Aldeyra Therapeutics, Inc.) as Principal Financial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.