SEC Insider Transactions from BRUENING MATTHEW P.

Last updated: 2026-03-14 11:19 UTC | Total transactions: 18

BRUENING MATTHEW P has filed 18 insider transactions across 1 company since January 2023.

Most recent transaction: a sale of 5151 shares of A10 Networks, Inc. ($ATEN) on November 13, 2023.

Activity breakdown: 0 open-market purchases and 14 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Nov. 13, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 5151 $12.12 85,307.0000 77,751,000 5.69% 0.01%
Sept. 5, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 2085 $15.10 90,458.0000 77,751,000 2.25% 0.00%
Aug. 18, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 2080 $14.46 92,543.0000 77,751,000 2.20% 0.00%
Aug. 7, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 5036 $15.46 103,264.0000 77,751,000 4.65% 0.01%
Aug. 8, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 8641 $15.38 94,623.0000 77,751,000 8.37% 0.01%
July 31, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 2092 $15.37 108,300.0000 77,751,000 1.90% 0.00%
May 12, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 11301 $13.96 110,392.0000 77,751,000 9.29% 0.01%
May 8, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 2766 $13.78 121,693.0000 77,751,000 2.22% 0.00%
March 13, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 3294 $14.37 124,459.0000 77,751,000 2.58% 0.00%
Feb. 21, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg A Common Stock 21178 $0.00 127,753.0000 77,751,000 19.87% 0.03%
Feb. 21, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg A Performance-based Restricted Stock Units 31767 $0.00 31,767.0000 77,751,000 9999.99% 0.04%
Feb. 16, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 18150 $15.00 106,575.0000 77,751,000 14.55% 0.02%
Feb. 14, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 1195 $15.11 124,725.0000 77,751,000 0.95% 0.00%
Feb. 3, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 1777 $15.87 125,920.0000 77,751,000 1.39% 0.00%
Feb. 2, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg M Common Stock 12179 $0.00 129,226.0000 77,751,000 10.41% 0.02%
Feb. 2, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 1529 $15.83 127,697.0000 77,751,000 1.18% 0.00%
Feb. 2, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg M Performance-based Restricted Stock Units 12179 $0.00 24,355.0000 77,751,000 33.34% 0.02%
Jan. 30, 2023 A10 Networks, Inc. $ATEN BRUENING MATTHEW P EVP, Worldwide Sales & Mktg S Common Stock 3728 $15.15 117,047.0000 77,751,000 3.09% 0.00%