MTSI

MACOM Technology Solutions Holdings, Inc.

Latest Form 4:Sale$2.4MbyKober John (Senior VP and CFO) · filed Aug 19, 2026

MACOM Technology Solutions Holdings, Inc. (MTSI) has 82 SEC Form 4 filings (265 transaction rows) in the rolling window, disclosed by 10 distinct insiders. Most recent filing: Aug 19, 2026.

The most active filer is 10% Owner OCAMPO SUSAN with 36 filings. Insiders have net sold $116.6M over the trailing 6 months.

  • Industry:Semiconductors
  • CEO:Stephen G. Daly
  • Employees:1,700
  • HQ:Lowell, MA, US
  • IPO:2012-03-15

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$530.9M

reported sales (SEC code S)

Unique Insiders

10

in the rolling window

Market Cap

$20.3B

latest known value

Source
Kober JohnFirst in 3 months
Sale$2.4MAug 19SEC ↗
Sale$1.0MJun 29SEC ↗
Daly Stephen GFirst in 6 months
Sale$5.8MJun 2SEC ↗
Sale$936KMay 20SEC ↗
Kober JohnFirst in 3 months
Sale$2.7MMay 20SEC ↗
CHUNG PETER YFirst filing
Sale$16.4MMay 18SEC ↗
Sale$304KMay 15SEC ↗
Sale$587KMay 13SEC ↗
Sale$1.0MMay 4SEC ↗
Dennehy RobertFirst in 4 months
Sale$4.5MMar 2SEC ↗
RIBAR GEOFFREY GFirst filing
Sale$569KFeb 27SEC ↗
Ritchie JohnFirst filing
Sale$401KFeb 27SEC ↗
Sale$13.4MFeb 26SEC ↗
Sale$66.6MFeb 26SEC ↗
Kober JohnFirst in 3 months
Sale$1.7MFeb 19SEC ↗
Sale$19.7MFeb 19SEC ↗
Sale$789KFeb 19SEC ↗
Sale$13.9MFeb 17SEC ↗
Sale$15.0MFeb 17SEC ↗
Sale$241KFeb 17SEC ↗
Sale$23.6MFeb 10SEC ↗
Sale$23.0MFeb 5SEC ↗
Sale$1.2MFeb 4SEC ↗
Sale$23.0MDec 9SEC ↗
Sale$812KDec 8SEC ↗
Sale$435KDec 5SEC ↗
Sale$14.6MDec 5SEC ↗
Sale$751KDec 4SEC ↗
Sale$17.3MDec 4SEC ↗
Sale$3.5MDec 3SEC ↗
Sale$660KNov 26SEC ↗
Sale$610KNov 21SEC ↗
Roth Ambra R.First filing
Sale$2.8MNov 21SEC ↗
BLAND CHARLES RFirst filing
Sale$158KNov 18SEC ↗
Daly Stephen GFirst filing
Sale$3.5MNov 13SEC ↗
Sale$171KNov 13SEC ↗
Sale$16.0MNov 12SEC ↗
Sale$9.6MNov 12SEC ↗
Sale$7.4MNov 12SEC ↗
Sale$3.1MNov 10SEC ↗
Sale$18.4MOct 30SEC ↗
Sale$1.3MOct 30SEC ↗
Kober JohnFirst filing
Sale$218KOct 29SEC ↗
Sale$263KOct 27SEC ↗
Sale$6.4MOct 27SEC ↗
Sale$8.9MOct 27SEC ↗
Sale$5.2MOct 22SEC ↗
Sale$578KOct 20SEC ↗
Sale$7.1MOct 16SEC ↗
Sale$20.4MOct 16SEC ↗
Sale$14.3MOct 16SEC ↗
Sale$8.3MOct 9SEC ↗
Sale$20.0MOct 9SEC ↗
Dennehy RobertFirst filing
Sale$636KOct 6SEC ↗
Sale$20.0MSep 22SEC ↗
Sale$19.9MSep 17SEC ↗
Sale$8.3MSep 17SEC ↗
Sale$6.7MSep 12SEC ↗
Sale$10.7MSep 12SEC ↗
Sale$11.9MSep 12SEC ↗
OCAMPO SUSANFirst filing
Sale$14.9MSep 9SEC ↗
OCAMPO SUSANFirst filing
Sale$422KSep 9SEC ↗
OCAMPO SUSANFirst filing
Sale$6.0MSep 9SEC ↗

Congress trading MTSI

See timeline →
  • DRep. Gilbert CisnerosSale$1,001 - $15,0002026-05-22

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Related companies

MACOM Technology Solutions Holdings, Inc. is in the Technology sector.