144 0001330184 XXXXXXXX LIVE 0001493594 MACOM TECHNOLOGY SOLU HLDS 001-35451 100 Chelmsford Street Lowell MA 01851 9786562500 STEPHEN DALY Director Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

59939 13574984.72 76370931 11/11/2026 NASDAQ Common 11/05/2026 Performance Stock Units Issuer N 59939 11/05/2026 N/A Y Sales that were executed on November 11, 2026 are being reported on this Form 144 filed on November 12, 2026 given the EDGAR system was not accepting filings on November 11, 2026 in observance of the federal holiday. 11/11/2026 02/27/2026 /s/ Stephen Gerard Daly