David A. Siegel A10 Networks, Inc. Transaction History

Two Sigma Advisers, LP

$46.1 Billion
Q2 2025

A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in A10 Networks, Inc. stock. As of the latest transaction made, Two Sigma Advisers, LP holds 441,297 shares of ATEN stock, worth $7.61 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares

441,297

Previous 348,200 26.74%

Holding current value

$7.61 Million

Previous $5.69 Million 50.1%

% of portfolio

0.02%

Previous 0.01%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$14.89 - $19.35 $1.39 Million - $1.8 Million	93,097 Added 26.74%	441,297 $8.54 Million
Q1 2025 May 15, 2025	BUY	$16.34 - $21.68 $2.33 Million - $3.1 Million	142,900 Added 69.61%	348,200 $5.69 Million
Q4 2024 Feb 14, 2025	BUY	$14.15 - $19.2 $308,470 - $418,560	21,800 Added 11.88%	205,300 $3.78 Million
Q3 2024 Nov 14, 2024	SELL	$12.36 - $14.44 $478,332 - $558,828	-38,700 Reduced 17.42%	183,500 $2.65 Million
Q2 2024 Aug 14, 2024	SELL	$12.8 - $16.45 $1.62 Million - $2.08 Million	-126,700 Reduced 36.31%	222,200 $3.08 Million
Q1 2024 May 15, 2024	SELL	$12.65 - $14.85 $1.86 Million - $2.18 Million	-146,900 Reduced 29.63%	348,900 $4.78 Million
Q4 2023 Feb 14, 2024	SELL	$10.7 - $15.35 $603,480 - $865,740	-56,400 Reduced 10.21%	495,800 $6.53 Million
Q3 2023 Nov 14, 2023	BUY	$14.06 - $15.83 $403,522 - $454,321	28,700 Added 5.48%	552,200 $8.3 Million
Q2 2023 Aug 14, 2023	SELL	$13.75 - $15.43 $174,625 - $195,961	-12,700 Reduced 2.37%	523,500 $7.64 Million
Q1 2023 May 15, 2023	BUY	$14.23 - $16.86 $1.66 Million - $1.96 Million	116,500 Added 27.76%	536,200 $8.31 Million
Q4 2022 Feb 14, 2023	BUY	$13.75 - $19.3 $13,750 - $19,300	1,000 Added 0.24%	419,700 $6.98 Million
Q3 2022 Nov 14, 2022	SELL	$12.78 - $16.44 $2.83 Million - $3.64 Million	-221,300 Reduced 34.58%	418,700 $5.56 Million
Q3 2022 Nov 14, 2022	SELL	$12.78 - $16.44 $2.83 Million - $3.64 Million	-221,300 Reduced 34.58%	418,700 $5.56 Million
Q2 2022 Aug 15, 2022	SELL	$12.9 - $16.78 $1.37 Million - $1.78 Million	-105,900 Reduced 14.2%	640,000 $9.2 Million
Q1 2022 May 16, 2022	SELL	$12.55 - $16.13 $2.97 Million - $3.82 Million	-237,000 Reduced 24.11%	745,900 $10.4 Million
Q4 2021 Feb 14, 2022	BUY	$13.1 - $18.69 $2.06 Million - $2.94 Million	157,500 Added 19.08%	982,900 $16.3 Million
Q3 2021 Nov 15, 2021	BUY	$10.7 - $14.76 $133,750 - $184,500	12,500 Added 1.54%	825,400 $11.1 Million
Q2 2021 Aug 16, 2021	BUY	$8.62 - $11.37 $720,631 - $950,531	83,600 Added 11.46%	812,900 $9.15 Million
Q1 2021 May 17, 2021	SELL	$9.07 - $11.7 $1.2 Million - $1.55 Million	-132,400 Reduced 15.36%	729,300 $7.01 Million
Q4 2020 Feb 16, 2021	BUY	$6.27 - $10.42 $2.25 Million - $3.74 Million	358,800 Added 71.35%	861,700 $8.5 Million
Q3 2020 Nov 16, 2020	BUY	$6.37 - $9.08 $687,017 - $979,296	107,852 Added 27.3%	502,900 $3.2 Million
Q2 2020 Aug 14, 2020	BUY	$5.82 - $7.4 $437,082 - $555,740	75,100 Added 23.47%	395,048 $2.69 Million
Q1 2020 May 15, 2020	SELL	$3.52 - $7.4 $10,912 - $22,940	-3,100 Reduced 0.96%	319,948 $1.99 Million
Q4 2019 Feb 14, 2020	SELL	$6.15 - $7.43 $143,836 - $173,772	-23,388 Reduced 6.75%	323,048 $2.22 Million
Q3 2019 Nov 14, 2019	SELL	$6.79 - $7.79 $149,380 - $171,380	-22,000 Reduced 5.97%	346,436 $2.4 Million
Q2 2019 Aug 14, 2019	BUY	$6.01 - $7.29 $120,200 - $145,800	20,000 Added 5.74%	368,436 $2.51 Million
Q1 2019 May 15, 2019	BUY	$6.01 - $7.37 $255,425 - $313,225	42,500 Added 13.89%	348,436 $2.47 Million
Q4 2018 Feb 14, 2019	BUY	$5.57 - $6.49 $61,548 - $71,714	11,050 Added 3.75%	305,936 $1.91 Million
Q3 2018 Nov 14, 2018	SELL	$6.05 - $7.34 $294,030 - $356,724	-48,600 Reduced 14.15%	294,886 $1.79 Million
Q2 2018 Aug 14, 2018	SELL	$5.67 - $6.75 $437,157 - $520,425	-77,100 Reduced 18.33%	343,486 $2.14 Million
Q1 2018 May 15, 2018	SELL	$5.71 - $7.75 $587,559 - $797,475	-102,900 Reduced 19.66%	420,586 $2.45 Million
Q4 2017 Feb 14, 2018	BUY	$7.2 - $8.14 $822,924 - $930,361	114,295 Added 27.93%	523,486 $4.04 Million
Q3 2017 Nov 14, 2017	BUY	$6.08 - $7.56 $2.49 Million - $3.09 Million	409,191	409,191 $3.09 Million

Others Institutions Holding ATEN

# of Institutions

246

Shares Held

71.1M

Call Options Held

13.6K

Put Options Held

31.1K

View Full List

About A10 Networks, Inc.

Ticker ATEN
Exchange NYSE
Sector Technology
Industry Software—Infrastructure
Shares Outstandng 72,672,000
Market Cap $1.25B
Description
A10 Networks, Inc. provides networking solutions in the Americas, Japan, other Asia Pacific, and EMEA countries. The company offers Thunder Application Delivery Controller (ADC) that provides advanced server load balancing; Lightning ADC, a cloud-native software-as-a-service platform to boost the delivery and security of applications and microse...

More about ATEN

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