MarketPeel
Insider Trading Intelligence
TB

Todd C. Brady

ALDX
PRESIDENT AND CEO · ALDEYRA THERAPEUTICS, INC. · CIK 0001579179
FILING MIX · LIFETIME77%/23%
BUYS
20
SELLS
6
TOTAL VALUE
$1.74M
COMPANIES
1
ACTIVE SINCE
Mar 2020
HOLDINGS NOW
1,721,298
AVG SELL PX
$4.33
TRADE KIND
SHOWING 26 / 26
Trades · vs SPY
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Performance · forward returns vs SPY
3 backtested trades · 8 horizons
Forward-return performance of every backtestable P/S trade by Todd C. Brady, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d3+100.00%-2.83%+0.17%-3.00%-5.26%
14d3+100.00%+2.23%+1.86%+0.37%-3.53%
30d3+33.33%+40.87%+1.97%+38.89%+40.90%
60d3+33.33%+44.18%+4.21%+39.98%+24.36%
90d3+33.33%+36.47%+3.10%+33.37%+24.81%
180d3+33.33%+85.07%+4.77%+80.30%+82.26%
1y3+33.33%+114.42%+12.04%+102.38%+102.80%
2y3+0.00%+34.78%+37.91%-3.13%+17.62%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
ALDX · 1,721,298 shares · as of Jun 3, 2026
0470,128940,2551,410,3831,880,510202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 20 buys / 6 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASE
President and CEO
250,000$1.67$418.4K1,721,298Jun 3, 2026Jun 5, 2026View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
632,318632,318Mar 27, 2026Mar 31, 2026View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
1,880,5101,880,510Mar 27, 2026Mar 31, 2026View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
809,710809,710Mar 4, 2025Mar 6, 2025View →
ALDX
ALDEYRA THERAPEUTICS, INC.
SALE
President and CEO
85,324$3.05$260.2K1,471,298Mar 12, 2024Mar 12, 2024View →
ALDX
ALDEYRA THERAPEUTICS, INC.
SALE
President and CEO
97,914$3.27$320.5K1,556,622Mar 11, 2024Mar 12, 2024View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
1,081,2011,081,201Mar 9, 2024Mar 12, 2024View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASE
President and CEO
192,084$0.55$106.0K1,647,369Sep 7, 2023Sep 11, 2023View →
ALDX
ALDEYRA THERAPEUTICS, INC.
SALE
President and CEO
73,807$7.22$532.9K1,654,536Sep 7, 2023Sep 11, 2023View →
ALDX
ALDEYRA THERAPEUTICS, INC.
SALE
President and CEO
48,0210Sep 7, 2023Sep 11, 2023View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASE
President and CEO
32,953$0.55$18.2K1,680,322Sep 7, 2023Sep 11, 2023View →
ALDX
ALDEYRA THERAPEUTICS, INC.
SALE
President and CEO
192,0840Sep 7, 2023Sep 11, 2023View →
ALDX
ALDEYRA THERAPEUTICS, INC.
SALE
President and CEO
32,9530Sep 7, 2023Sep 11, 2023View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASE
President and CEO
48,021$0.55$26.5K1,728,343Sep 7, 2023Sep 11, 2023View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
238,7501,455,285Feb 28, 2023Mar 2, 2023View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
250,000250,000Feb 28, 2023Mar 2, 2023View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
604,308604,308Jul 15, 2022Jul 19, 2022View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASE
President and CEO
17,700$3.36$59.5K1,216,535Jun 23, 2022Jun 27, 2022View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
250,000250,000Mar 30, 2022Apr 1, 2022View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
207,758207,758Mar 30, 2022Apr 1, 2022View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
250,0001,198,835Mar 30, 2022Apr 1, 2022View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
250,000250,000Apr 12, 2021Apr 14, 2021View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
46,619948,835Apr 12, 2021Apr 14, 2021View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
250,000902,216Mar 2, 2020Mar 4, 2020View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
250,000250,000Mar 2, 2020Mar 4, 2020View →
ALDX
ALDEYRA THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
450,865450,865Mar 2, 2020Mar 4, 2020View →
Other insiders · ALDX
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About this filer
CIK 0001579179
ROLE
President and CEO
PRIMARY
ALDX
COMPANIES
1
ACTIVE SINCE
Mar 2020
MARKETPEEL · /INSIDER/0001579179DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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