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Notice of Proposed Sale · 144

MACOM Technology Solutions Holdings, Inc.

MTSINASDAQEQUITYCurrent

Notice of Proposed Sale

Filed Oct 1, 2026Accepted Oct 1, 2026, 4:27 PM EDTFiling CIK 1792846Accession 0001950047-26-009966
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Structured filing — 144

primary_doc.xml

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer
MACOM Technology Solutions Holdings, Inc.
Issuer CIK
0001493594
SEC file number
001-35451
Phone
9786562500
Person for whose account securities are to be sold
AMBRA ROTH
Relationships to issuer
Officer
Street
100 Chelmsford Street
City
Lowell
State / country code
MA
Postal code
01851

Securities proposed for sale

Securities proposed for sale · 1 reported row
SecurityProposed unitsAggregate market valueUnits outstandingApproximate sale dateExchangeBroker / market maker
Common653185,987.4676,370,93110/01/2026NASDAQMorgan Stanley Smith Barney LLC Executive Financial Services

Broker / market maker — proposed row 1, entry 1

Name
Morgan Stanley Smith Barney LLC Executive Financial Services
Street
1 New York Plaza
Street (continued)
8th Floor
City
New York
State / country code
NY
Postal code
10004

Acquisition of securities to be sold

Acquisition of securities to be sold · 1 reported row
SecurityAcquiredNature of acquisitionAcquired fromAmount acquiredGift transactionPayment dateNature of payment
Common10/27/2024Restricted Stock UnitsIssuer653N10/27/2024N/A

Prior-sale reporting

Nothing to report for the preceding three months
Y

Notice signature

Notice date
10/01/2026
Signed
/s/ Ambra Roth
Plan adoption dates
05/21/2026

Company context

Current securities

Recent company filings

  1. 144 filingAug 28, 2026
  2. 4 filingAug 19, 2026
  3. SCHEDULE 13G/A - filed by T. Rowe Price Investment Management, Inc. regarding MACOM Technology Solutions Holdings, Inc.Aug 14, 2026
  4. SCHEDULE 13G/A - filed by OCAMPO SUSAN regarding MACOM Technology Solutions Holdings, Inc.Aug 12, 2026
  5. 10-Q filingAug 6, 2026

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