← All stocks

Aldeyra Therapeutics, Inc.

ALDX Net buying
CIK 0001341235 #4374 in the set updated 18 Sep 2026
Bought (120 mo)
$70.73M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$11.22M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$11.22M
13 of 13 sales
Net
+$59.51M
+$59.51M against sales at will

By person

16 insiders · 76 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
PERCEPTIVE ADVISORS LLC entity
10% owner
$68.87M (25)
$9.28M (3)
+$59.59M
18,369,181
30.45%
$30.75M
+29.5%
TREU JESSE I
Director
$968.40K (2)
−$968.40K
1,885,854
3.13%
$3.16M
−4.9%
DOUGLAS RICHARD
Director
$635.77K (8)
+$635.77K
195,000
0.3232%
$326.39K
Brady Todd C
President and CEO
$1.04M (11)
$580.76K (2)
+$462.34K
1,721,298
2.85%
$2.88M
+2,907%
Machatha Stephen
Chief Development Officer
$288.29K (4)
−$288.29K
221,799
0.3677%
$371.25K
+459.0%
Greenberg Bruce
See Remarks
$96.28K (2)
−$96.28K
126,382
0.2095%
$211.54K
+419.4%
JOYCE MARTIN JOSEPH
Director
$44.99K (3)
+$44.99K
23,967
0.0397%
$40.12K
+77.5%
Bronstein Ben
Director
$29.94K (2)
+$29.94K
28,248
0.0468%
$47.28K
+126.0%
Clark David J
Chief Medical Officer
$25.31K (1)
+$25.31K
17,878
0.0296%
$29.92K
+288.6%
Alfieri Michael
Principal Financial Officer
$20.35K (2)
+$20.35K
7,500
0.0124%
$12.55K
McMullin David
Chief Commercial Officer
$20.26K (1)
+$20.26K
257,703
0.4272%
$431.34K
+7,538%
Reed Joshua
Chief Financial Officer
$15.07K (1)
+$15.07K
274,825
0.4556%
$460.00K
Tulipano Stephen J
Chief Financial Officer
$15.00K (1)
+$15.00K
8,563
0.0142%
$14.33K
Miller-Rich Nancy
Director
$10.45K (2)
+$10.45K
922
0.0015%
$1.54K
Walker Neal
Director
15,854
0.0263%
$26.54K
+153.7%
Phillips Gary M.
Director
14,812
0.0246%
$24.79K
+58.0%
Insider
Date
Role
Action
Shares
Price
Amount
Brady Todd C
3 Jun 2026
President and CEO
Buy
250,000
$1.67
$418.45K
DOUGLAS RICHARD
19 Mar 2026
Director
Buy
70,000
$1.40
$98.00K
Alfieri Michael
18 Mar 2026
Principal Financial Officer
Buy
5,000
$1.42
$7.10K
Alfieri Michael
13 Aug 2025
Principal Financial Officer
Buy
2,500
$5.30
$13.25K
PERCEPTIVE ADVISORS LLC
5 Apr 2024
10% owner
Buy indirect
37,712
$4.74
$178.75K
PERCEPTIVE ADVISORS LLC
4 Apr 2024
10% owner
Buy indirect
140,281
$4.67
$655.11K
PERCEPTIVE ADVISORS LLC
3 Apr 2024
10% owner
Buy indirect
309,847
$4.09
$1.27M
PERCEPTIVE ADVISORS LLC
2 Apr 2024
10% owner
Buy indirect
186,051
$3.44
$640.02K
PERCEPTIVE ADVISORS LLC
1 Apr 2024
10% owner
Buy indirect
8,374
$3.25
$27.22K
Miller-Rich Nancy
12 Apr 2023
Director
Buy
509
$10.13
$5.16K
PERCEPTIVE ADVISORS LLC
10 Aug 2022
10% owner
Buy indirect
15,000
$7.85
$117.75K
PERCEPTIVE ADVISORS LLC
9 Aug 2022
10% owner
Buy indirect
100,000
$7.50
$750.00K
PERCEPTIVE ADVISORS LLC
8 Aug 2022
10% owner
Buy indirect
97,000
$7.24
$702.28K
PERCEPTIVE ADVISORS LLC
5 Aug 2022
10% owner
Buy indirect
141,000
$6.95
$979.95K
PERCEPTIVE ADVISORS LLC
4 Aug 2022
10% owner
Buy indirect
95,100
$6.17
$586.77K
PERCEPTIVE ADVISORS LLC
3 Aug 2022
10% owner
Buy indirect
100,000
$5.84
$584.00K
PERCEPTIVE ADVISORS LLC
2 Aug 2022
10% owner
Buy indirect
412,406
$5.59
$2.31M
PERCEPTIVE ADVISORS LLC
1 Aug 2022
10% owner
Buy indirect
144,185
$5.05
$728.13K
PERCEPTIVE ADVISORS LLC
29 Jul 2022
10% owner
Buy indirect
222,123
$5.03
$1.12M
PERCEPTIVE ADVISORS LLC
28 Jul 2022
10% owner
Buy indirect
119,392
$5.00
$596.96K
Brady Todd C
23 Jun 2022
President and CEO
Buy
17,700
$3.36
$59.55K
JOYCE MARTIN JOSEPH
23 Jun 2022
Director
Buy
4,323
$3.48
$15.02K
PERCEPTIVE ADVISORS LLC
3 May 2021
10% owner
Buy indirect
1,200,000
$12.50
$15.00M
Miller-Rich Nancy
3 May 2021
Director
Buy
413
$12.81
$5.29K
PERCEPTIVE ADVISORS LLC
19 Jan 2021
10% owner
Buy indirect
1,368,421
$9.50
$13.00M
PERCEPTIVE ADVISORS LLC
8 Jan 2021
10% owner
Buy indirect
50,000
$7.60
$380.00K
PERCEPTIVE ADVISORS LLC
8 Jan 2021
10% owner
Buy indirect
152,668
$10.21
$1.56M
PERCEPTIVE ADVISORS LLC
8 Jan 2021
10% owner
Buy indirect
347,332
$9.21
$3.20M
PERCEPTIVE ADVISORS LLC
7 Jan 2021
10% owner
Buy indirect
500,000
$8.13
$4.07M
PERCEPTIVE ADVISORS LLC
9 Jul 2020
10% owner
Buy indirect
3,200,000
$4.25
$13.60M
DOUGLAS RICHARD
16 Mar 2020
Director
Buy
40,000
$2.75
$110.00K
Brady Todd C
16 Dec 2019
President and CEO
Buy
20,000
$5.10
$101.91K
Brady Todd C
30 Sep 2019
President and CEO
Buy
8,710
$5.68
$49.48K
Brady Todd C
23 Sep 2019
President and CEO
Buy
8,680
$5.81
$50.43K
Brady Todd C
18 Sep 2019
President and CEO
Buy
14,288
$5.91
$84.46K
Bronstein Ben
17 Sep 2019
Director
Buy
1,700
$5.85
$9.95K
Brady Todd C
16 Sep 2019
President and CEO
Buy
3,000
$6.03
$18.09K
Brady Todd C
13 Sep 2019
President and CEO
Buy
10,000
$5.79
$57.90K
DOUGLAS RICHARD
13 Sep 2019
Director
Buy
5,000
$6.00
$30.00K
DOUGLAS RICHARD
12 Sep 2019
Director
Buy
10,000
$6.03
$60.28K
JOYCE MARTIN JOSEPH
12 Sep 2019
Director
Buy
1,700
$5.86
$9.96K
DOUGLAS RICHARD
11 Sep 2019
Director
Buy
10,000
$5.75
$57.53K
DOUGLAS RICHARD
10 Sep 2019
Director
Buy
10,000
$5.09
$50.86K
Brady Todd C
10 Sep 2019
President and CEO
Buy
10,000
$5.39
$53.94K
DOUGLAS RICHARD
9 Sep 2019
Director
Buy
10,000
$4.91
$49.11K
Brady Todd C
9 Sep 2019
President and CEO
Buy
10,000
$4.89
$48.89K
Clark David J
6 Sep 2019
Chief Medical Officer
Buy
5,000
$5.06
$25.31K
McMullin David
5 Sep 2019
Chief Commerical Officer
Buy
4,329
$4.68
$20.26K
Reed Joshua
5 Sep 2019
Chief Financial Officer
Buy
3,200
$4.71
$15.07K
PERCEPTIVE ADVISORS LLC
19 Sep 2017
10% owner
Buy indirect
200,000
$7.25
$1.45M
PERCEPTIVE ADVISORS LLC
30 Jun 2017
10% owner
Buy indirect
296,007
$4.60
$1.36M
Tulipano Stephen J
17 Feb 2017
Chief Financial Officer
Buy
3,333
$4.50
$15.00K
JOYCE MARTIN JOSEPH
17 Feb 2017
Director
Buy
4,444
$4.50
$20.00K
Bronstein Ben
17 Feb 2017
Director
Buy
4,444
$4.50
$20.00K
Brady Todd C
17 Feb 2017
President and CEO
Buy
22,223
$4.50
$100.00K
DOUGLAS RICHARD
17 Feb 2017
Director
Buy
40,000
$4.50
$180.00K
PERCEPTIVE ADVISORS LLC
14 Feb 2017
10% owner
Buy indirect
893,025
$4.50
$4.02M

What was left out

Form 4 filings counted 151
Amendments (4/A) skipped 5
Filings about a different issuer 0
Unreadable filings 0
Joint filings 20
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 13
Transactions with no price 0
Shares from compensation/vesting 2,657,507
Sales filed before the plan box existed 2
History held since 14 Sep 2016