Simplex Trading, LLC Aldeyra Therapeutics, Inc. Transaction History

Simplex Trading, LLC

$175 Billion
Q2 2025

A detailed history of Simplex Trading, LLC transactions in Aldeyra Therapeutics, Inc. stock. As of the latest transaction made, Simplex Trading, LLC holds 21,183 shares of ALDX stock, worth $96,806. This represents 0.0% of its overall portfolio holdings.

Number of Shares

21,183

Previous 4,711 349.65%

Holding current value

$96,806

Previous $27,000 200.0%

% of portfolio

0.0%

Previous 0.0%

25 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 05, 2025	BUY	$1.42 - $5.48 $23,390 - $90,266	16,472 Added 349.65%	21,183 $81,000
Q1 2025 May 12, 2025	SELL	$4.7 - $6.98 $190,448 - $282,836	-40,521 Reduced 89.58%	4,711 $27,000
Q4 2024 Feb 11, 2025	BUY	$4.21 - $5.9 $190,426 - $266,868	45,232 New	45,232 $225,000
Q2 2024 Jul 25, 2024	SELL	$3.25 - $4.72 $208,529 - $302,849	-64,163 Reduced 68.65%	29,302 $96,000
Q1 2024 Apr 25, 2024	BUY	$2.77 - $4.22 $199,126 - $303,363	71,887 Added 333.15%	93,465 $305,000
Q4 2023 Feb 02, 2024	SELL	$1.47 - $6.06 $73,589 - $303,369	-50,061 Reduced 69.88%	21,578 $75,000
Q3 2023 Nov 01, 2023	BUY	$6.11 - $8.16 $437,714 - $584,574	71,639 New	71,639 $478,000
Q1 2023 Apr 27, 2023	BUY	$5.77 - $9.93 $388,465 - $668,537	67,325 New	67,325 $668,000
Q2 2022 Aug 03, 2022	SELL	$2.43 - $4.85 $258,775 - $516,486	-106,492 Reduced 77.31%	31,249 $124,000
Q1 2022 May 02, 2022	BUY	$3.25 - $5.17 $143,006 - $227,490	44,002 Added 46.94%	137,741 $612,000
Q4 2021 Feb 23, 2022	BUY	$3.5 - $9.63 $255,251 - $702,306	72,929 Added 350.45%	93,739 $374,000
Q3 2021 Oct 28, 2021	SELL	$7.94 - $11.31 $913 - $1,300	-115 Reduced 0.55%	20,810 $235,000
Q2 2021 Aug 12, 2021	BUY	$10.44 - $14.85 $76,827 - $109,281	7,359 Added 54.25%	20,925 $237,000
Q1 2021 Apr 26, 2021	SELL	$6.53 - $14.42 $20,771 - $45,870	-3,181 Reduced 18.99%	13,566 $161,000
Q4 2020 Feb 02, 2021	BUY	$6.31 - $8.13 $99,716 - $128,478	15,803 Added 1674.05%	16,747 $114,000
Q3 2020 Oct 14, 2020	SELL	$4.0 - $7.53 $836 - $1,573	-209 Reduced 18.13%	944 $6,000
Q2 2020 Jul 13, 2020	SELL	$1.97 - $5.05 $6,631 - $16,998	-3,366 Reduced 74.49%	1,153 $4,000
Q1 2020 Apr 29, 2020	BUY	$1.62 - $6.4 $7,320 - $28,921	4,519 New	4,519 $11,000
Q4 2019 Feb 05, 2020	SELL	$4.73 - $7.98 $2,748 - $4,636	-581 Closed	0 $0
Q3 2019 Oct 15, 2019	BUY	$4.41 - $6.12 $2,562 - $3,555	581 New	581 $3,000
Q1 2019 Apr 18, 2019	SELL	$7.14 - $9.85 $1,120 - $1,546	-157 Closed	0 $0
Q4 2018 Jan 16, 2019	SELL	$7.26 - $13.29 $425,348 - $778,634	-58,588 Reduced 99.73%	157 $1,000
Q3 2018 Oct 23, 2018	BUY	$6.8 - $14.35 $379,215 - $800,256	55,767 Added 1872.63%	58,745 $810,000
Q2 2018 Jul 30, 2018	BUY	$6.95 - $9.18 $19,307 - $25,502	2,778 Added 1389.0%	2,978 $23,000
Q1 2018 Apr 26, 2018	BUY	$6.55 - $8.9 $1,310 - $1,780	200 New	200 $1,000

Others Institutions Holding ALDX

# of Institutions

134

Shares Held

35M

Call Options Held

244K

Put Options Held

51.6K

View Full List

About Aldeyra Therapeutics, Inc.

Ticker ALDX
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 58,323,100
Market Cap $267M
Description
Aldeyra Therapeutics, Inc., a biotechnology company, develops and commercializes medicines for immune-mediated ocular and systemic diseases. The company's lead product candidate is reproxalap, a reactive aldehyde species (RASP)modulator, which is in Phase III clinical trial for the treatment of dry eye diseases and allergic conjunctivitis. It al...

More about ALDX

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Simplex Trading, LLC Aldeyra Therapeutics, Inc. Transaction History