Eric Singer

ATEN

Eric Singer serves as director at A10 Networks, Inc. (ATEN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

13 trades

$3.49M

Total Sells

17 trades

$62.06M

Net Position

Net Seller

$58.57M

Companies Traded

ATEN, IMMR, UEIC, BNED

Active Period

Mar 2021 – May 2026

30 total trades

Most Recent

Sell ATEN

May 6, 2026 · $672.0K

Eric Singer's Insider Trading at A10 Networks, Inc. (ATEN)

Buys

0 · $0.00

Sells

8 · $55.83M

Total Shares Bought

Total Shares Sold

3,568,714

ATEN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 6, 2026	Sell	24,698	$27.21	$672.0K	68,806
Nov 7, 2022	Sell	60,541	$18.01	$1.09M	0
Aug 4, 2022	Sell	29,940	$15.23	$456.0K	0
Jun 7, 2022	Sell	35,000	$15.88	$555.9K	0
May 24, 2022	Sell	140,000	$14.69	$2.06M	0
May 18, 2022	Sell	180,000	$14.74	$2.65M	0
May 5, 2022	Sell	598,535	$15.05	$9.01M	0
Nov 1, 2021	Sell	2,500,000	$15.74	$39.34M	0

Eric Singer's Insider Trading at Immersion Corporation (IMMR)

Buys

6 · $2.41M

Sells

9 · $6.23M

Total Shares Bought

397,755

Total Shares Sold

693,314

IMMR Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jan 1, 2026	Sell	64,922	$6.50	$421.9K	0
Oct 3, 2025	Sell	13,117	$7.04	$92.3K	0
Oct 1, 2025	Sell	14,757	$7.28	$107.4K	0
Jul 3, 2025	Sell	13,117	$8.09	$106.1K	0
Jul 1, 2025	Sell	113,132	$7.91	$894.9K	0
Apr 3, 2025	Sell	13,117	$7.12	$93.4K	0
Apr 1, 2025	Sell	73,782	$7.74	$571.1K	0
Mar 20, 2025	Buy	47,638	$7.51	$357.6K	0
Aug 29, 2024	Buy	50,000	$8.77	$438.4K	1,912,867
Dec 2, 2022	Buy	20,000	$7.29	$145.8K	653,269
Aug 30, 2022	Buy	18,000	$5.68	$102.2K	639,356
Aug 22, 2022	Buy	119,117	$5.21	$620.6K	621,356
Dec 15, 2021	Buy	143,000	$5.21	$744.3K	165,763
Mar 12, 2021	Sell	100,000	$10.69	$1.07M	498,879
Mar 10, 2021	Sell	287,370	$9.99	$2.87M	219,431

Eric Singer's Insider Trading at Barnes & Noble Education, Inc. (BNED)

Buys

2 · $753.2K

Sells

0 · $0.00

Total Shares Bought

105,000

Total Shares Sold

BNED Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jul 16, 2024	Buy	18,000	$8.15	$146.6K	0
Jul 8, 2024	Buy	87,000	$6.97	$606.6K	0

Eric Singer's Insider Trading at Universal Electronics Inc. (UEIC)

Buys

5 · $331.7K

Sells

0 · $0.00

Total Shares Bought

48,890

Total Shares Sold

UEIC Price Chart

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Date	Type	Shares	Avg Price	Value
Jun 2, 2025	Buy	8,890	$6.65	$59.1K
May 20, 2025	Buy	7,000	$6.83	$47.8K
May 19, 2025	Buy	3,000	$6.89	$20.7K
May 16, 2025	Buy	6,000	$7.08	$42.5K
May 13, 2025	Buy	24,000	$6.73	$161.6K