CHUNG PETER Y

Indirect GP of 10% Owner at optionsXpress Holdings, Inc. · on record since Jan 30, 2006
Indirect GP of 10% Owner at SeaBright Holdings, Inc. · on record since Feb 3, 2006
Indirect GP of Former 10% Ownr at GOLDLEAF FINANCIAL SOLUTIONS INC. · on record since Apr 1, 2004
Director at NightHawk Radiology Holdings Inc · on record since May 10, 2007
Indirect GP of 10% Owner at AMERICAN DENTAL PARTNERS INC · on record since Apr 14, 2004
Director at SeaBright Holdings, Inc. · on record since May 22, 2008
Director at Ubiquiti Inc. · on record since Oct 21, 2011
Director at iPayment, Inc. · on record since Aug 28, 2003
Director at SIRENZA MICRODEVICES INC · on record since Sep 12, 2003
Director at MACOM Technology Solutions Holdings, Inc. · on record since Mar 21, 2012
Director at A10 Networks, Inc. · on record since Apr 24, 2026
10% owner at RIGHTNOW TECHNOLOGIES INC · on record since Aug 5, 2004
Indirect GP of 10% Owner at RIGHTNOW TECHNOLOGIES INC · on record since Aug 5, 2004
10% owner at ALPHASMART INC · on record since Feb 5, 2004
Indirect GP of 10% Owner at VISUAL SCIENCES, INC. · on record since Sep 28, 2004
Director at Acacia Communications, Inc. · on record since May 20, 2016
10% owner at A10 Networks, Inc. · on record since Jun 2, 2017
10% owner at Casa Systems Inc · on record since Dec 19, 2017
Director at · on record since Apr 30, 2018
10% owner at · on record since Sep 23, 2021
10% owner at · on record since Sep 22, 2021

Insider trading activity of CHUNG PETER Y

Transactions on record: 138; since Aug 28, 2003

Open-market buys: 0

Open-market sells: 40; $1.6B

Companies traded: 10; last filing May 18, 2026

Figures computed from official regulatory filings — .

Companies where CHUNG PETER Y has traded

31 tx · $413.6M · May 18, 2026
21 tx · $138.6M · Apr 24, 2026
8 tx · $97.9M · Mar 3, 2021
1 tx · $117.9M · Apr 30, 2018
16 tx · $846.3M · Sep 16, 2013
16 tx · $101.3M · Dec 23, 2010
32 tx · $61.2M · May 21, 2009
3 tx · Jan 30, 2006
9 tx · May 26, 2005
1 tx · $868.8 · Aug 28, 2003

Track record of CHUNG PETER Y

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of CHUNG PETER Y

Co-insiders of CHUNG PETER Y

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
MACOM Technology Solutions Holdings, Inc.Listing on record	May 18, 2026	Sell	-43,268	378.20 USD	$16.4M	SEC
A10 Networks, Inc.Listing on record	Apr 24, 2026	Award	7,233	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 9, 2026	Award	776	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
A10 Networks, Inc.Listing on record	Apr 18, 2025	Award	12,698	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 7, 2025	Award	1,623	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
A10 Networks, Inc.Listing on record	Nov 18, 2024	Other	-329,566	15.73 USD	$5.2M	SEC
A10 Networks, Inc.Listing on record	Nov 18, 2024	Sell	-23,754	16.36 USD	$388.6K	SEC
A10 Networks, Inc.Listing on record	Nov 15, 2024	Sell	-78,479	16.59 USD	$1.3M	SEC
A10 Networks, Inc.Listing on record	May 22, 2024	Sell	-3,296,047	15.40 USD	$50.8M	SEC
A10 Networks, Inc.Listing on record	May 10, 2024	Award	12,903	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 11, 2024	Award	2,138	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
A10 Networks, Inc.Listing on record	May 18, 2023	Award	14,104	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 7, 2023	Award	2,244	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
A10 Networks, Inc.Listing on record	Nov 17, 2022	Sell	-1,500,000	17.20 USD	$25.8M	SEC
A10 Networks, Inc.Listing on record	Sep 9, 2022	Other	-3,500,000	12.75 USD	$44.6M	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Aug 10, 2022	Sell	-850,311	59.00 USD	$50.2M	SEC
A10 Networks, Inc.Listing on record	Jun 28, 2022	Award	10,316	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 7, 2022	Award	2,768	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
A10 Networks, Inc.Listing on record	Dec 10, 2021	Sell	-700,000	15.05 USD	$10.5M	SEC
A10 Networks, Inc.Listing on record	May 3, 2021	Award	16,949	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 11, 2021	Award	2,093	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Acacia Communications, Inc.Listing unverified	Mar 3, 2021	Other	-14,600	115.00 USD	$1.7M	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Nov 13, 2020	Sell	-420,368	42.47 USD	$17.9M	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Nov 13, 2020	OtherD (derivative)	1,270,679	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Nov 13, 2020	Other	1,270,679	14.05 USD	$17.9M	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
MACOM Technology Solutions Holdings, Inc.Listing on record	May 18, 2026	Sell	-43,268	378.20 USD	$16.4M	SEC
A10 Networks, Inc.Listing on record	Apr 24, 2026	Award	7,233	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 9, 2026	Award	776	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
A10 Networks, Inc.Listing on record	Apr 18, 2025	Award	12,698	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 7, 2025	Award	1,623	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
A10 Networks, Inc.Listing on record	Nov 18, 2024	Other	-329,566	15.73 USD	$5.2M	SEC
A10 Networks, Inc.Listing on record	Nov 18, 2024	Sell	-23,754	16.36 USD	$388.6K	SEC
A10 Networks, Inc.Listing on record	Nov 15, 2024	Sell	-78,479	16.59 USD	$1.3M	SEC
A10 Networks, Inc.Listing on record	May 22, 2024	Sell	-3,296,047	15.40 USD	$50.8M	SEC
A10 Networks, Inc.Listing on record	May 10, 2024	Award	12,903	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 11, 2024	Award	2,138	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
A10 Networks, Inc.Listing on record	May 18, 2023	Award	14,104	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 7, 2023	Award	2,244	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
A10 Networks, Inc.Listing on record	Nov 17, 2022	Sell	-1,500,000	17.20 USD	$25.8M	SEC
A10 Networks, Inc.Listing on record	Sep 9, 2022	Other	-3,500,000	12.75 USD	$44.6M	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Aug 10, 2022	Sell	-850,311	59.00 USD	$50.2M	SEC
A10 Networks, Inc.Listing on record	Jun 28, 2022	Award	10,316	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 7, 2022	Award	2,768	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
A10 Networks, Inc.Listing on record	Dec 10, 2021	Sell	-700,000	15.05 USD	$10.5M	SEC
A10 Networks, Inc.Listing on record	May 3, 2021	Award	16,949	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Mar 11, 2021	Award	2,093	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Acacia Communications, Inc.Listing unverified	Mar 3, 2021	Other	-14,600	115.00 USD	$1.7M	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Nov 13, 2020	Sell	-420,368	42.47 USD	$17.9M	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Nov 13, 2020	OtherD (derivative)	1,270,679	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MACOM Technology Solutions Holdings, Inc.Listing on record	Nov 13, 2020	Other	1,270,679	14.05 USD	$17.9M	SEC