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        <com:city>LOWELL</com:city>
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        <com:zipCode>01851</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(978) 656-2500</issuerContactPhone>
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      <relationshipsToIssuer>
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        <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
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        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
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      </brokerOrMarketmakerDetails>
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      <noOfUnitsOutstanding>72106577</noOfUnitsOutstanding>
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      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
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      <natureOfAcquisitionTransaction>Founder Shares</natureOfAcquisitionTransaction>
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      <isGiftTransaction>N</isGiftTransaction>
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      <paymentDate>06/30/2009</paymentDate>
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        <name>Ocampo Family Trust, Susan Ocampo TTEE</name>
        <address>
          <com:street1>C/O 100 Chelmsford Str.</com:street1>
          <com:city>Lowell</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
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      <amountOfSecuritiesSold>65993</amountOfSecuritiesSold>
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      <sellerDetails>
        <name>Ocampo Family Trust, Susan Ocampo TTEE</name>
        <address>
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          <com:stateOrCountry>MA</com:stateOrCountry>
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        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/07/2024</saleDate>
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      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/08/2024</saleDate>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family Trust, Susan Ocampo TTEE</name>
        <address>
          <com:street1>C/O 100 Chlelmsford Str.</com:street1>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/09/2024</saleDate>
      <amountOfSecuritiesSold>200000</amountOfSecuritiesSold>
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    <securitiesSoldInPast3Months>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
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      <securitiesClassTitle>Common</securitiesClassTitle>
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      <amountOfSecuritiesSold>115313</amountOfSecuritiesSold>
      <grossProceeds>9868279.77</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family Trust, Susan Ocampo TTEE</name>
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        </address>
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      <securitiesClassTitle>Common</securitiesClassTitle>
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          <com:stateOrCountry>MA</com:stateOrCountry>
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      <securitiesClassTitle>Common</securitiesClassTitle>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
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      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/27/2024</saleDate>
      <amountOfSecuritiesSold>4370</amountOfSecuritiesSold>
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      <sellerDetails>
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          <com:zipCode>01851</com:zipCode>
        </address>
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      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/29/2024</saleDate>
      <amountOfSecuritiesSold>34186</amountOfSecuritiesSold>
      <grossProceeds>3008500.15</grossProceeds>
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    <remarks>2a) Susan Ocampo TTEE for Ocampo Family Trust 11/21/2023 2007 Non Grantor TST for Bobby 11/27/2007 2007 Trust for Bobby 11/29/2007 2007 Non Grantor TST for Ashley 11/27/2007 2007 Trust for Ashley 11/29/2007 2007 Non Grantor for TST Joshua 11/29/2007 2007 Trust for Joshua 11/29/2007</remarks>
    <noticeSignature>
      <noticeDate>05/06/2024</noticeDate>
      <signature>Susan Ocampo</signature>
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144
0001252243
XXXXXXXX
LIVE
0001493594
MACOM Technology Solutions Holdings, Inc.
001-35451
100 CHELMSFORD STREET
LOWELL
MA
01851
(978) 656-2500
OCAMPO SUSAN
Director
10% Stockholder
Common
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76262
1100000
114024020.00
72106577
05/06/2024
Nasdaq
Common
06/30/2009
Founder Shares
Issuer
N
1100000
06/30/2009
Founder stock
N
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chelmsford Str.
Lowell
MA
01851
Common
02/06/2024
65993
5280196.08
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chelmsford Str.
Lowell
MA
01851
Common
02/07/2024
200000
16158327.35
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chelmsford Str.
Lowell
MA
01851
Common
02/08/2024
200000
16477989.42
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chlelmsford Str.
Lowell
MA
01851
Common
02/09/2024
200000
16560954.64
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chelmsford Str.
Lowell
MA
01851
Common
02/12/2024
200000
17000348.92
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chelmsford Str.
Lowell
MA
01851
Common
02/14/2024
115313
9868279.77
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chelmsford Str.
Lowell
MA
01851
Common
02/15/2024
18694
1607964.00
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chelmsford Str.
Lowell
MA
01851
Common
02/22/2024
140711
12287133.14
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chelmsford Str.
Lowell
MA
01851
Common
02/26/2024
20733
1824526.18
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chelmsford Str.
Lowell
MA
01851
Common
02/27/2024
4370
384686.82
Ocampo Family Trust, Susan Ocampo TTEE
C/O 100 Chelmsford Str.
Lowell
MA
01851
Common
02/29/2024
34186
3008500.15
2a) Susan Ocampo TTEE for Ocampo Family Trust 11/21/2023 2007 Non Grantor TST for Bobby 11/27/2007 2007 Trust for Bobby 11/29/2007 2007 Non Grantor TST for Ashley 11/27/2007 2007 Trust for Ashley 11/29/2007 2007 Non Grantor for TST Joshua 11/29/2007 2007 Trust for Joshua 11/29/2007
05/06/2024
Susan Ocampo