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Insider Trading - A10 Networks Inc. (ATEN)

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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ATEN Insider Trading Transactions for A10 Networks Inc.

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Common stock purchase or sale:

Transaction Date	Reported DateTime	Company	Symbol	Insider Relationship	Shares Traded	Average Price	Total Amount	Shares Owned	Filing
2019-11-06 Sale	2019-11-08 4:05 pm	A10 Networks Inc.	ATEN	Reiss Gunter VP	2,639	$7.149	$18,866	161,742 (Direct)	View
2019-07-08 Sale	2019-07-09 4:35 pm	A10 Networks Inc.	ATEN	Constantino Thomas CFO	15,492	$6.984	$108,196	210,816 (Direct)	View
2019-04-30 Sale	2019-05-01 5:47 pm	A10 Networks Inc.	ATEN	Reiss Gunter VP	2,588	$6.444	$16,677	163,533 (Direct)	View
2019-04-30 Sale	2019-05-01 5:46 pm	A10 Networks Inc.	ATEN	Constantino Thomas CFO	3,604	$6.444	$23,224	226,308 (Direct)	View
2019-04-30 Sale	2019-05-01 5:45 pm	A10 Networks Inc.	ATEN	COCHRAN ROBERT D VP	3,535	$6.444	$22,780	212,560 (Direct)	View
2019-04-18 Sale	2019-04-22 7:33 pm	A10 Networks Inc.	ATEN	Reiss Gunter VP	1,160	$6.825	$7,917	144,647 (Direct)	View
2019-02-19 Sale	2019-02-20 6:04 pm	A10 Networks Inc.	ATEN	Reiss Gunter VP	4,209	$6.679	$28,113	145,807 (Direct)	View
2019-02-13 Sale	2019-02-15 4:08 pm	A10 Networks Inc.	ATEN	COCHRAN ROBERT D VP	9,813	$6.65	$65,256	186,031 (Direct)	View
2019-01-07 Sale	2019-01-08 4:27 pm	A10 Networks Inc.	ATEN	White Christopher P. VP	9,303	$6.148	$57,195	81,020 (Direct)	View
2018-11-06 Sale	2018-11-07 5:09 pm	A10 Networks Inc.	ATEN	Reiss Gunter VP	8,366	$6.137	$51,342	150,016 (Direct)	View
2018-10-19 Sale(A)	2018-10-22 6:05 pm	A10 Networks Inc.	ATEN	Reiss Gunter VP	1,183	$5.93	$7,015	129,536 (Direct)	View
2018-10-19 Sale(A)	2018-10-22 6:04 pm	A10 Networks Inc.	ATEN	Constantino Thomas CFO	15,286	$5.93	$90,646	159,714 (Direct)	View
2018-10-19 Sale	2018-10-19 5:25 pm	A10 Networks Inc.	ATEN	Reiss Gunter VP	1,087	$5.93	$6,446	129,632 (Direct)	View
2018-10-19 Sale	2018-10-19 5:23 pm	A10 Networks Inc.	ATEN	Constantino Thomas CFO	15,129	$5.93	$89,715	159,871 (Direct)	View
2018-02-20 Sale	2018-02-21 4:04 pm	A10 Networks Inc.	ATEN	Reiss Gunter VP	4,210	$6.307	$26,552	130,719 (Direct)	View
2018-02-13 Sale	2018-02-15 4:58 pm	A10 Networks Inc.	ATEN	COCHRAN ROBERT D VP	10,197	$5.98	$60,978	156,965 (Direct)	View
2018-01-09 Sale	2018-01-10 8:22 pm	A10 Networks Inc.	ATEN	CHEN LEE CEO, 10% Owner	25,000	$7.535	$188,375	9,961,538 (Indirect Direct)	View
2018-01-02 Sale	2018-01-04 4:07 pm	A10 Networks Inc.	ATEN	CHEN LEE CEO, 10% Owner	25,000	$7.706	$192,650	9,986,538 (Indirect Direct)	View
2017-12-29 Sale	2018-01-02 4:23 pm	A10 Networks Inc.	ATEN	CHEN LEE CEO, 10% Owner	25,000	$7.738	$193,450	10,011,538 (Indirect Direct)	View
2017-12-21 Sale	2017-12-22 4:11 pm	A10 Networks Inc.	ATEN	CHEN LEE CEO, 10% Owner	25,000	$7.811	$195,275	10,036,538 (Indirect Direct)	View
2017-12-13 Sale	2017-12-14 5:26 pm	A10 Networks Inc.	ATEN	CHEN LEE CEO, 10% Owner	25,000	$7.76	$194,000	10,061,538 (Indirect Direct)	View

(A) Indicate amendment filing.

Stock options: Exercise, Award, Grant, Conversion

Transaction Date	Reported DateTime	Exercisable Expiration	Company	Symnbol	Insider Relationship	Shares Traded	Conversion Price	Shares Owned	Filing
2019-08-16 Exercise	2019-08-19 5:31 pm	N/A N/A	A10 Networks Inc.	ATEN	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Special Opportunities Fund III LP VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director	1,104,800	$7.5	4,899,122 (Indirect)	View
2019-08-16 Exercise	2019-08-19 5:31 pm	N/A 2019-08-16	A10 Networks Inc.	ATEN	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Special Opportunities Fund III LP VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director	11,048	$7.5	4,899,122 (Indirect)	View
2019-08-16 Expired	2019-08-19 5:31 pm	N/A 2019-08-16	A10 Networks Inc.	ATEN	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Special Opportunities Fund III LP VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director	1,117	$5	4,899,122 (Indirect)	View
2019-08-14 Exercise	2019-08-16 6:10 pm	N/A N/A	A10 Networks Inc.	ATEN	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Special Opportunities Fund III LP VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director	45,200	$7.5	3,794,322 (Indirect)	View
2019-08-14 Exercise	2019-08-16 6:10 pm	N/A N/A	A10 Networks Inc.	ATEN	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Special Opportunities Fund III LP VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director	217,900	$7.5	3,794,322 (Indirect)	View
2019-08-14 Exercise	2019-08-16 6:10 pm	N/A 2019-08-16	A10 Networks Inc.	ATEN	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Special Opportunities Fund III LP VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director	452	$7.5	3,794,322 (Indirect)	View
2019-08-14 Exercise	2019-08-16 6:10 pm	N/A 2019-08-16	A10 Networks Inc.	ATEN	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Special Opportunities Fund III LP VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director	2,179	$7.5	3,794,322 (Indirect)	View
2019-07-26 Option Award	2019-07-30 5:02 pm	N/A N/A	A10 Networks Inc.	ATEN	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP VIEX Special Opportunities Fund III LP VIEX GP LLC VIEX Special Opportunities GP II LLC VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director	30,120	$0	3,531,222 (Direct)	View
2019-04-22 Option Award	2019-04-24 7:02 pm	N/A N/A	A10 Networks Inc.	ATEN	White Christopher P. VP	30,064	$0	111,084 (Direct)	View
2019-04-22 Option Award	2019-04-24 7:01 pm	N/A N/A	A10 Networks Inc.	ATEN	Reiss Gunter VP	21,474	$0	166,121 (Direct)	View
2019-04-22 Option Award	2019-04-24 7:00 pm	N/A N/A	A10 Networks Inc.	ATEN	Constantino Thomas CFO	30,064	$0	229,912 (Direct)	View
2019-04-22 Option Award	2019-04-24 6:59 pm	N/A N/A	A10 Networks Inc.	ATEN	COCHRAN ROBERT D VP	30,064	$0	216,095 (Direct)	View
2018-11-07 Option Award	2018-11-09 4:44 pm	N/A N/A	A10 Networks Inc.	ATEN	SALSBURY PHILLIP J Director	23,112	$0	152,683 (Direct)	View
2018-11-07 Option Award	2018-11-09 4:43 pm	N/A N/A	A10 Networks Inc.	ATEN	Henricks Alan S. Director	23,112	$0	65,093 (Direct)	View
2018-11-07 Option Award	2018-11-09 4:41 pm	N/A N/A	A10 Networks Inc.	ATEN	Braham Tor Director	13,482	$0	73,197 (Direct)	View
2018-11-07 Option Award	2018-11-09 4:22 pm	N/A N/A	A10 Networks Inc.	ATEN	SUMMIT PARTNERS L P SUMMIT MASTER COMPANY LLC SUMMIT PARTNERS GE VIII L.P. Summit Partners GE VIII LLC Summit Partners Growth Equity Fund VIII-A L.P. Summit Partners Growth Equity Fund VIII-B L.P. Summit Investors Management LLC Summit Investors I LLC Summit Investors I (UK) L.P. MANNION MARTIN J Director, 10% Owner	23,112	$0	9,515,529 (Indirect)	View
2018-11-07 Option Award	2018-11-09 4:21 pm	N/A N/A	A10 Networks Inc.	ATEN	CHUNG PETER Y Director, 10% Owner	23,112	$0	9,515,529 (Indirect)	View
2018-10-22 Option Award	2018-10-23 9:18 pm	N/A N/A	A10 Networks Inc.	ATEN	White Christopher P. VP	90,323	$0	316,742 (Direct)	View
2018-10-22 Option Award	2018-10-23 9:18 pm	2019-01-05 2028-10-22	A10 Networks Inc.	ATEN	White Christopher P. VP	316,742	$5.93	316,742 (Direct)	View
2018-10-22 Option Award	2018-10-23 9:16 pm	N/A N/A	A10 Networks Inc.	ATEN	Reiss Gunter VP	28,846	$0	158,382 (Direct)	View
2018-10-22 Option Award	2018-10-23 9:14 pm	N/A N/A	A10 Networks Inc.	ATEN	COCHRAN ROBERT D VP	38,879	$0	195,844 (Direct)	View
2018-10-22 Option Award	2018-10-23 9:12 pm	N/A N/A	A10 Networks Inc.	ATEN	Constantino Thomas CFO	40,134	$0	199,848 (Direct)	View
2018-03-14 Option Award	2018-03-16 4:29 pm	N/A N/A	A10 Networks Inc.	ATEN	Braham Tor Director	34,615	$0	59,715 (Direct)	View
2017-12-03 Option Award	2017-12-21 6:42 pm	N/A N/A	A10 Networks Inc.	ATEN	Reiss Gunter VP	30,000	$0	134,929 (Direct)	View
2017-12-03 Option Award	2017-12-21 6:42 pm	2017-11-23 2027-12-03	A10 Networks Inc.	ATEN	Reiss Gunter VP	75,000	$7.87	134,929 (Direct)	View

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