MTSI Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$213.4M
9 insiders
Net Insider Flow
-$213.4M
open market, 180d
Reporting Insiders
9
113 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)100$367.30$37K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)100$369.99$37K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)200$375.34$75K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)100$379.80$38K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)420$382.04$160K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)300$382.91$115K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)9$384.35$3K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)400$386.62$155K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)200$387.25$77K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)400$388.65$155K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)291$389.74$113K
Jun 25, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)100$391.94$39K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)2K$358.44$538K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)2K$359.37$791K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)400$360.49$144K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)904$362.02$327K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)2K$362.94$882K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)2K$363.87$755K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)3K$364.89$1.0M
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)300$366.46$110K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)600$367.95$221K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)300$369.38$111K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)300$374.09$112K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)200$375.10$75K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)400$378.86$152K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)100$380.98$38K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)100$382.60$38K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)100$386.46$39K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)551$388.38$214K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)149$389.40$58K
May 29, 2026Daly Stephen GPresident and CEO, DirectorSell(S)400$391.07$156K
May 19, 2026Bland Charles RDirectorGift(G)300$0
May 19, 2026Shanmugaraj MurugesanDirectorGift(G)1K$0
May 18, 2026Bland Charles RDirectorGift(G)400$0
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)300$353.32$106K
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)300$355.06$107K
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)500$356.68$178K
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)300$358.84$108K
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)500$360.38$180K
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)100$362.89$36K
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)100$364.93$36K
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)200$367.50$74K
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)100$369.06$37K
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)100$377.70$38K
May 18, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)95$381.23$36K
May 18, 2026Kober JohnSenior VP and CFOSell(S)500$352.79$176K
May 18, 2026Kober JohnSenior VP and CFOSell(S)800$353.81$283K
May 18, 2026Kober JohnSenior VP and CFOSell(S)700$354.83$248K
May 18, 2026Kober JohnSenior VP and CFOSell(S)1K$356.47$408K
May 18, 2026Kober JohnSenior VP and CFOSell(S)800$357.59$286K
May 18, 2026Kober JohnSenior VP and CFOSell(S)741$359.01$266K
May 18, 2026Kober JohnSenior VP and CFOSell(S)759$360.33$273K
May 18, 2026Kober JohnSenior VP and CFOSell(S)300$361.61$108K
May 18, 2026Kober JohnSenior VP and CFOSell(S)363$362.96$132K
May 18, 2026Kober JohnSenior VP and CFOSell(S)537$364.55$196K
May 18, 2026Kober JohnSenior VP and CFOSell(S)400$365.68$146K
May 18, 2026Kober JohnSenior VP and CFOSell(S)400$367.79$147K
May 18, 2026Kober JohnSenior VP and CFOSell(S)200$377.70$76K
May 15, 2026Hwang Donghyun ThomasSVP, Global SalesGrant(A)85$138.13$12K
May 15, 2026Dennehy RobertSenior VP and COOGrant(A)146$138.13$20K
May 15, 2026Kober JohnSenior VP and CFOGrant(A)108$138.13$15K
May 14, 2026Chung Peter YDirectorSell(S)43K$378.20$16.4M
May 13, 2026Bland Charles RDirectorSell(S)800$380.00$304K
May 11, 2026Ribar Geoffrey GDirectorSell(S)2K$361.84$587K
Apr 30, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)100$271.40$27K
Apr 30, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)200$273.48$55K
Apr 30, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)2K$274.79$417K
Apr 30, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)100$275.73$28K
Apr 30, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)200$276.81$55K
Apr 30, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)700$278.42$195K
Apr 30, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)635$279.75$178K
Apr 30, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)200$280.88$56K
Apr 30, 2026Hwang Donghyun ThomasSVP, Global SalesSell(S)65$281.59$18K
Mar 6, 2026Ribar Geoffrey GDirectorGrant(A)776$0
Mar 6, 2026Bland Charles RDirectorGrant(A)776$0
Mar 6, 2026Ritchie JohnDirectorGrant(A)776$0
Mar 6, 2026Rosenband Jihye WhangDirectorGrant(A)776$0
Mar 6, 2026Shanmugaraj MurugesanDirectorGrant(A)776$0
Mar 6, 2026Ingram BryanDirectorGrant(A)776$0
Mar 6, 2026Chung Peter YDirectorGrant(A)776$0
Feb 26, 2026Dennehy RobertSenior VP and COOSell(S)2K$253.58$398K
Feb 26, 2026Dennehy RobertSenior VP and COOSell(S)971$240.40$233K
Feb 26, 2026Dennehy RobertSenior VP and COOSell(S)500$250.52$125K
Feb 26, 2026Dennehy RobertSenior VP and COOSell(S)400$248.97$100K
Feb 26, 2026Dennehy RobertSenior VP and COOSell(S)3K$246.70$635K
Feb 26, 2026Dennehy RobertSenior VP and COOSell(S)4K$244.85$1.0M
Feb 26, 2026Dennehy RobertSenior VP and COOSell(S)5K$243.95$1.2M
Feb 26, 2026Dennehy RobertSenior VP and COOSell(S)3K$242.96$777K
Feb 26, 2026Dennehy RobertSenior VP and COOSell(S)300$241.70$73K
Feb 25, 2026Ritchie JohnDirectorSell(S)2K$255.00$401K
Feb 25, 2026Ribar Geoffrey GDirectorSell(S)2K$253.59$569K
Feb 25, 2026Ocampo Susan10% OwnerGift(G)174K$0
Feb 25, 2026Ocampo Susan10% OwnerSell(S)2K$251.16$583K
Feb 25, 2026Ocampo Susan10% OwnerSell(S)41K$250.39$10.3M
Feb 25, 2026Ocampo Susan10% OwnerSell(S)218K$255.22$55.7M
Feb 24, 2026Ocampo Susan10% OwnerSell(S)54K$250.08$13.4M
Feb 18, 2026Ocampo Susan10% OwnerSell(S)3K$250.00$789K
Feb 17, 2026Kober JohnSenior VP and CFOSell(S)767$244.73$188K
Feb 17, 2026Kober JohnSenior VP and CFOSell(S)300$237.68$71K
Feb 17, 2026Kober JohnSenior VP and CFOSell(S)520$247.70$129K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).