Insider · CIK 0001239366

Peter Y Chung

Files at: MTSI, ACIA, ATEN, CASA. On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $3.3M · 1sales $593.4M · 10net −$590.2M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Mar 1, 2019 AForm 4 →	Mar 5, 4:02 pm EST	MACOM Technology Solutions Holdings, Inc.MTSI	6,656	—	—	32,993	—	plan?
Feb 26, 2019 SForm 4 →	Feb 28, 6:02 pm EST	Acacia Communications, Inc.ACIA	1,300,127	$52.25	$67,931,636	10,590	−99.2%	plan?
Nov 7, 2018 AForm 4 →	Nov 9, 4:21 pm EST	A10 Networks, Inc.ATEN	23,112	—	—	9,515,529	—	plan?
May 17, 2018 AForm 4 →	May 21, 5:10 pm EDT	Acacia Communications, Inc.ACIA	6,144	—	—	1,310,717	—	plan?
Apr 30, 2018 SForm 4 →	Apr 30, 4:03 pm EDT	Casa Systems IncCASA	4,717,520	$25.00	$117,938,000	34,124,480	−12.1%	plan?
Mar 2, 2018 AForm 4 →	Mar 6, 4:08 pm EST	MACOM Technology Solutions Holdings, Inc.MTSI	6,086	—	—	26,337	—	plan?
Dec 19, 2017 PForm 4 →	Dec 19, 4:03 pm EST	Casa Systems IncCASA	250,000	$13.00	$3,250,000	38,842,000	+0.65%	plan?
Dec 19, 2017 CForm 4 →	Dec 19, 4:03 pm EST	Casa Systems IncCASA	38,592,000	—	—	38,592,000	—	plan?
May 31, 2017 AForm 4 →	Jun 2, 4:07 pm EDT	A10 Networks, Inc.ATEN	18,359	—	—	9,492,417	—	plan?
May 18, 2017 AForm 4 →	May 22, 6:15 pm EDT	Acacia Communications, Inc.ACIA	4,446	—	—	1,304,573	—	plan?
Mar 9, 2017 SForm 4 →	Mar 13, 6:35 pm EDT	Acacia Communications, Inc.ACIA	1,250,000	$50.25	$62,812,500	1,300,127	−49.0%	plan?
Mar 3, 2017 AForm 4 →	Mar 7, 4:23 pm EST	MACOM Technology Solutions Holdings, Inc.MTSI	2,835	—	—	20,251	—	plan?
Feb 2, 2017 SForm 4 →	Feb 6, 4:19 pm EST	MACOM Technology Solutions Holdings, Inc.MTSI	1,201,635	$46.55	$55,936,109	17,416	−98.6%	plan?
Oct 13, 2016 SForm 4 →	Oct 14, 4:06 pm EDT	Acacia Communications, Inc.ACIA	346,202	$96.50	$33,408,493	2,550,127	−12.0%	plan?
Jun 1, 2016 AForm 4 →	Jun 3, 4:04 pm EDT	A10 Networks, Inc.ATEN	22,590	—	—	9,474,058	—	plan?
May 18, 2016 CForm 4 →	May 20, 4:03 pm EDT	Acacia Communications, Inc.ACIA	2,896,329	—	—	2,896,329	—	plan?
May 2, 2016 SForm 4 →	May 4, 5:58 pm EDT	M/A-COM Technology Solutions Holdings, Inc.MTSI	1,400,000	$40.00	$56,000,000	1,215,938	−53.5%	plan?
Mar 4, 2016 AForm 4 →	Mar 8, 6:34 pm EST	M/A-COM Technology Solutions Holdings, Inc.MTSI	3,113	—	—	2,619,051	—	plan?
Feb 25, 2016 SForm 4 →	Feb 29, 6:30 pm EST	M/A-COM Technology Solutions Holdings, Inc.MTSI	900,000	$36.00	$32,400,000	2,615,938	−25.6%	plan?
Jan 28, 2016 SForm 4 →	Feb 1, 6:02 pm EST	M/A-COM Technology Solutions Holdings, Inc.MTSI	2,700,000	$37.70	$101,790,000	3,515,938	−43.4%	plan?
Jun 10, 2015 AForm 4 →	Jun 12, 4:10 pm EDT	A10 Networks, Inc.ATEN	23,622	—	—	9,451,468	—	plan?
May 29, 2015 SForm 4 →	Jun 2, 5:03 pm EDT	M/A-COM Technology Solutions Holdings, Inc.MTSI	34,565	$38.32	$1,324,458	6,215,938	−0.55%	plan?
May 15, 2015 AForm 4 →	May 19, 3:54 pm EDT	M/A-COM Technology Solutions Holdings, Inc.MTSI	1,577	—	—	6,250,503	—	plan?
Feb 11, 2015 SForm 4 →	Feb 11, 4:15 pm EST	M/A-COM Technology Solutions Holdings, Inc.MTSI	2,235,000	$28.58	$63,865,125	6,248,926	−26.3%	plan?
Jan 21, 2015 AForm 4 →	Jan 22, 3:29 pm EST	M/A-COM Technology Solutions Holdings, Inc.MTSI	1,562	—	—	8,483,926	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Dec 19, 2017 CForm 4 →	Dec 19, 4:03 pm EST	Casa Systems IncCASA	3,859,200	—	—	0	—
May 18, 2016 CForm 4 →	May 20, 4:03 pm EDT	Acacia Communications, Inc.ACIA	2,896,329	—	—	0	—