There have been 50 recent insider transactions recorded for Aldeyra Therapeutics, Inc. (ALDX), including 32 buys and 16 sells. Total insider buying was valued at $10.74M and total insider selling at $10.36M.
Notable insiders with recent activity include Brady Todd C, Douglas Richard, Alfieri Michael. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — ALDX
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-27 |
Brady Todd C |
President and CEO |
RSU Award |
632,318 |
- |
- |
632,318 |
| 2026-03-19 |
Douglas Richard |
Director |
Informative Buy |
70,000 |
$1.40 |
$98K |
195,000 |
| 2026-03-18 |
Alfieri Michael |
Principal Financial Officer |
Informative Buy |
5,000 |
$1.42 |
$7.1K |
7,500 |
| 2025-08-13 |
Alfieri Michael |
Principal Financial Officer |
Informative Buy |
2,500 |
$5.30 |
$13.25K |
2,500 |
| 2025-08-11 |
Machatha Stephen |
Chief Development Officer |
Informative Sell |
22,073 |
$5.15 |
$113.71K |
221,799 |
| 2025-06-10 |
Douglas Richard |
Director |
RSU Award |
1,689 |
$2.69 |
$4.53K |
1,689 |
| 2025-06-10 |
Phillips Gary M. |
Director |
RSU Award |
3,619 |
$2.69 |
$9.72K |
3,619 |
| 2025-06-10 |
Joyce Martin Joseph |
Director |
RSU Award |
1,689 |
$2.69 |
$4.53K |
1,689 |
| 2025-06-10 |
Walker Neal |
Director |
RSU Award |
2,413 |
$2.69 |
$6.48K |
2,413 |
| 2025-06-10 |
Bronstein Ben |
Director |
RSU Award |
3,619 |
$2.69 |
$9.72K |
3,619 |
| 2025-06-10 |
Miller-rich Nancy |
Director |
RSU Award |
2,413 |
$2.69 |
$6.48K |
2,413 |
| 2025-04-17 |
Clark William D |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-04-17 |
Clark William D |
Director |
RSU Award |
76,760 |
$2.19 |
$168.1K |
76,760 |
| 2025-04-03 |
Perceptive Advisors Llc |
10 Percent Owner |
Informative Sell |
3,400,000 |
$1.42 |
$4.83M |
5,875,851 |
| 2025-03-04 |
Machatha Stephen |
Chief Development Officer |
RSU Award |
202,427 |
$6.17 |
$1.25M |
202,427 |
| 2024-08-31 |
Alfieri Michael |
Officer |
Unknown |
- |
- |
- |
- |
| 2024-08-12 |
Machatha Stephen |
Chief Development Officer |
Informative Sell |
16,041 |
$4.74 |
$75.97K |
236,771 |
| 2024-08-12 |
Greenberg Bruce |
See Remarks |
Informative Sell |
10,834 |
$4.74 |
$51.31K |
126,382 |
| 2024-06-10 |
Bronstein Ben |
Director |
RSU Award |
3,860 |
$2.69 |
$10.36K |
3,860 |
| 2024-06-04 |
Douglas Richard |
Director |
RSU Award |
1,215 |
$4.09 |
$4.97K |
1,215 |
| 2024-06-04 |
Phillips Gary M. |
Director |
RSU Award |
2,604 |
$4.09 |
$10.65K |
2,604 |
| 2024-06-04 |
Joyce Martin Joseph |
Director |
RSU Award |
1,215 |
$4.09 |
$4.97K |
1,215 |
| 2024-06-04 |
Walker Neal |
Director |
RSU Award |
1,736 |
$4.09 |
$7.1K |
1,736 |
| 2024-06-04 |
Bronstein Ben |
Director |
RSU Award |
2,604 |
$4.09 |
$10.65K |
2,604 |
| 2024-06-04 |
Miller-rich Nancy |
Director |
RSU Award |
1,736 |
$4.09 |
$7.1K |
1,736 |
| 2024-04-05 |
Perceptive Advisors Llc |
10 Percent Owner |
Informative Buy |
37,712 |
$4.74 |
$178.75K |
9,275,851 |
| 2024-04-04 |
Perceptive Advisors Llc |
10 Percent Owner |
Informative Buy |
140,281 |
$4.67 |
$655.11K |
9,238,139 |
| 2024-04-03 |
Perceptive Advisors Llc |
10 Percent Owner |
Informative Buy |
309,847 |
$4.09 |
$1.27M |
9,097,858 |
| 2024-04-02 |
Perceptive Advisors Llc |
10 Percent Owner |
Informative Buy |
186,051 |
$3.44 |
$640.02K |
8,788,011 |
| 2024-04-01 |
Perceptive Advisors Llc |
10 Percent Owner |
Informative Buy |
8,374 |
$3.25 |
$27.22K |
8,601,960 |
| 2024-03-12 |
Brady Todd C |
President and CEO |
Informative Sell |
85,324 |
$3.05 |
$260.24K |
1,471,298 |
| 2024-03-12 |
Machatha Stephen |
Chief Development Officer |
Informative Sell |
11,537 |
$3.16 |
$36.5K |
243,495 |
| 2024-03-12 |
Machatha Stephen |
Chief Development Officer |
Informative Sell |
11,537 |
$3.16 |
$36.5K |
252,812 |
| 2024-03-11 |
Brady Todd C |
President and CEO |
Informative Sell |
97,914 |
$3.27 |
$320.52K |
1,556,622 |
| 2024-03-11 |
Machatha Stephen |
Chief Development Officer |
Informative Sell |
18,231 |
$3.41 |
$62.1K |
255,032 |
| 2024-03-11 |
Greenberg Bruce |
See Remarks |
Informative Sell |
13,201 |
$3.41 |
$44.97K |
120,699 |
| 2024-03-11 |
Greenberg Bruce |
See Remarks |
Informative Sell |
13,201 |
$3.41 |
$44.97K |
130,154 |
| 2024-03-09 |
Brady Todd C |
President and CEO |
RSU Award |
1,081,201 |
$3.62 |
$3.91M |
1,081,201 |
| 2024-03-09 |
Machatha Stephen |
Chief Development Officer |
RSU Award |
405,450 |
$3.62 |
$1.47M |
405,450 |
| 2024-03-09 |
Greenberg Bruce |
See Remarks |
RSU Award |
252,280 |
$3.62 |
$913.25K |
252,280 |
| 2023-10-18 |
Perceptive Advisors Llc |
10 Percent Owner |
Informative Sell |
306,499 |
$1.74 |
$533.31K |
8,593,586 |
| 2023-10-16 |
Perceptive Advisors Llc |
10 Percent Owner |
Informative Sell |
2,450,000 |
$1.60 |
$3.92M |
8,900,085 |
| 2023-09-07 |
Phillips Gary M. |
Director |
Option Exercise (Sell) |
5,437 |
$0.55 |
$3K |
- |
| 2023-09-07 |
Brady Todd C |
President and CEO |
Option Exercise (Sell) |
48,021 |
$0.55 |
$26.51K |
- |
| 2023-08-22 |
Walker Neal |
Director |
Option Exercise (Sell) |
9,604 |
$0.55 |
$5.3K |
- |
| 2023-06-30 |
Douglas Richard |
Director |
RSU Award |
640 |
$8.39 |
$5.37K |
640 |
| 2023-06-30 |
Phillips Gary M. |
Director |
RSU Award |
1,372 |
$8.39 |
$11.51K |
1,372 |
| 2023-06-30 |
Joyce Martin Joseph |
Director |
RSU Award |
640 |
$8.39 |
$5.37K |
640 |
| 2023-06-30 |
Walker Neal |
Director |
RSU Award |
915 |
$8.39 |
$7.68K |
915 |
| 2023-06-30 |
Bronstein Ben |
Director |
RSU Award |
1,372 |
$8.39 |
$11.51K |
1,372 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
