Purchase of Common Stock	116,622	6.0408	01/17/2018
Purchase of Common Stock	69,017	6.2400	01/17/2018
Purchase of Common Stock	222,064	6.1546	01/17/2018
Purchase of Common Stock	739,680	6.2846	01/18/2018
Purchase of Common Stock	217,642	6.2880	01/18/2018
Purchase of Common Stock	84,911	6.4938	01/19/2018
Purchase of Common Stock	40,000	6.6356	01/22/2018
Purchase of Common Stock	53,639	6.6828	01/22/2018
Purchase of August 2018 Call Option ($2.50 Strike Price)¹	800	4.4000	01/22/2018
Sale of August 2018 Put Option ($7.50 Strike Price)²	(1,200)	1.3000	01/22/2018
Purchase of Common Stock	10,000	6.8500	01/23/2018
Purchase of August 2018 Call Option ($2.50 Strike Price)¹	400	4.4500	01/23/2018
Purchase of Common Stock	34,000	6.6788	01/24/2018
Purchase of Common Stock	12,000	6.6900	01/24/2018

VIEX
special opportunities fund ii, LP

Purchase of Common Stock	1,109,520	6.2846	01/18/2018
Purchase of Common Stock	326,462	6.2880	01/18/2018
Purchase of Common Stock	127,367	6.4938	01/19/2018
Purchase of Common Stock	60,000	6.6356	01/22/2018
Purchase of Common Stock	80,459	6.6828	01/22/2018
Purchase of August 2018 Call Option ($2.50 Strike Price)¹	1,200	4.4000	01/22/2018
Sale of August 2018 Put Option ($7.50 Strike Price)²	1,800	1.3000	01/22/2018
Purchase of Common Stock	15,000	6.8500	01/23/2018
Purchase of August 2018 Call Option ($2.50 Strike Price)¹	600	4.4500	01/23/2018
Purchase of Common Stock	51,000	6.6788	01/24/2018
Purchase of Common Stock	18,000	6.6900	01/24/2018

¹
Represents American-style call option purchased in the over-the-counter market with an expiration date of August 17, 2018.

² Represents American-style put option sold in the over-the-counter
market with an expiration date of August 17, 2018.

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Page 15 of 15

13D Filing: Viex Capital Advisors, LLC and A10 Networks Inc. (ATEN)

Page 15 of 15 – SEC Filing