Simplex Trading, LLC Atomera Inc Transaction History

Simplex Trading, LLC

$175 Billion
Q2 2025

A detailed history of Simplex Trading, LLC transactions in Atomera Inc stock. As of the latest transaction made, Simplex Trading, LLC holds 25,941 shares of ATOM stock, worth $80,157. This represents 0.0% of its overall portfolio holdings.

Number of Shares

25,941

Previous 42,000 38.24%

Holding current value

$80,157

Previous $168,000 22.62%

% of portfolio

0.0%

Previous 0.0%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 05, 2025	SELL	$3.5 - $7.63 $56,206 - $122,530	-16,059 Reduced 38.24%	25,941 $130,000
Q1 2025 May 12, 2025	SELL	$4.0 - $16.55 $132,660 - $548,880	-33,165 Reduced 44.12%	42,000 $168,000
Q4 2024 Feb 11, 2025	BUY	$2.46 - $14.27 $119,386 - $692,537	48,531 Added 182.21%	75,165 $871,000
Q3 2024 Nov 08, 2024	SELL	$2.45 - $4.21 $66,772 - $114,739	-27,254 Reduced 50.58%	26,634 $70,000
Q2 2024 Jul 25, 2024	BUY	$3.71 - $6.61 $11,905 - $21,211	3,209 Added 6.33%	53,888 $205,000
Q1 2024 Apr 25, 2024	BUY	$5.83 - $9.12 $235,071 - $367,727	40,321 Added 389.27%	50,679 $312,000
Q4 2023 Feb 02, 2024	SELL	$5.11 - $7.75 $96,696 - $146,653	-18,923 Reduced 64.63%	10,358 $72,000
Q3 2023 Nov 01, 2023	BUY	$5.55 - $9.31 $45,609 - $76,509	8,218 Added 39.02%	29,281 $183,000
Q2 2023 Aug 04, 2023	BUY	$5.21 - $9.91 $43,951 - $83,600	8,436 Added 66.81%	21,063 $184,000
Q1 2023 Apr 27, 2023	SELL	$5.59 - $8.68 $141,197 - $219,248	-25,259 Reduced 66.67%	12,627 $80,000
Q4 2022 Feb 02, 2023	BUY	$5.93 - $10.51 $128,526 - $227,793	21,674 Added 133.69%	37,886 $235,000
Q3 2022 Nov 04, 2022	SELL	$9.3 - $14.83 $41,924 - $66,853	-4,508 Reduced 21.76%	16,212 $164,000
Q2 2022 Aug 03, 2022	BUY	$9.13 - $13.39 $181,239 - $265,804	19,851 Added 2284.35%	20,720 $194,000
Q1 2022 May 02, 2022	BUY	$10.83 - $20.29 $9,411 - $17,632	869 New	869 $11,000
Q1 2021 Apr 26, 2021	SELL	$15.9 - $46.45 $74,809 - $218,547	-4,705 Closed	0 $0
Q4 2020 Feb 02, 2021	SELL	$8.15 - $16.29 $182,405 - $364,586	-22,381 Reduced 82.63%	4,705 $75,000
Q3 2020 Oct 14, 2020	BUY	$8.55 - $12.71 $231,585 - $344,263	27,086 New	27,086 $283,000

Others Institutions Holding ATOM

# of Institutions

104

Shares Held

9.99M

Call Options Held

286K

Put Options Held

309K

View Full List

About Atomera Inc

Ticker ATOM
Exchange NASDAQ
Sector Technology
Industry Semiconductor Equipment & Materials
Shares Outstandng 23,627,800
Market Cap $73M
Description
Atomera Incorporated develops, commercializes, and licenses proprietary materials, processes, and technologies for the semiconductor industry in North America and the Asia Pacific. The company's lead technology is the Mears Silicon Technology, a thin film of reengineered silicon that can be applied as a transistor channel enhancement to CMOS-typ...

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Simplex Trading, LLC Atomera Inc Transaction History