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          <com:city>St. Louis</com:city>
          <com:stateOrCountry>MO</com:stateOrCountry>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>DAM 2012 Trust LLC</name>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
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      <saleDate>11/25/2024</saleDate>
      <amountOfSecuritiesSold>2000</amountOfSecuritiesSold>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
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        </address>
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      <sellerDetails>
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      <saleDate>01/02/2025</saleDate>
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    <securitiesSoldInPast3Months>
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      <saleDate>01/03/2025</saleDate>
      <amountOfSecuritiesSold>1047</amountOfSecuritiesSold>
      <grossProceeds>258355.28</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
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      <saleDate>01/13/2025</saleDate>
      <amountOfSecuritiesSold>1045</amountOfSecuritiesSold>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Dwight A Merriman</name>
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          <com:zipCode>10019</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>MongoDB, Inc.</securitiesClassTitle>
      <saleDate>01/21/2025</saleDate>
      <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
      <grossProceeds>264735.63</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Dwight Merriman</name>
        <address>
          <com:street1>1633 Broadway 38th Floor</com:street1>
          <com:city>NewYork</com:city>
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    <remarks>The 922 shares sold today were from the Dwight A Merriman Charitable Foundation</remarks>
    <noticeSignature>
      <noticeDate>02/07/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>04/09/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>Dwight A Merriman</signature>
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144
0001237858
XXXXXXXX
LIVE
0001441816
MongoDB, Inc.
001-38240
1633 BROADWAY
38TH FLOOR
NEW YORK
NY
10019
866-237-8815
MERRIMAN DWIGHT A
Director
Common
Wells Fargo Clearing Services
One North Jefferson Avenue
St. Louis
MO
63103
922
256929.35
74470596
02/07/2025
NASDAQ
Common
12/20/2022
Gift
Dwight Merriman
Y
10/18/2017
922
N/A
N
Dwight A Merriman
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
11/11/2024
1000
290674.91
DAM 2012 Trust LLC
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
11/13/2024
1000
309734.38
Dwight A Merriman Charitable Foundation
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
11/15/2024
1319
376742.06
Dwight A Merriman
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
11/25/2024
2000
698063.59
Dwight A Merriman
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
12/10/2024
1000
322534.03
DAM 2012 Trust LLC
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
12/10/2024
1000
322534.03
Dwight A Merriman
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
12/02/2024
3000
968216.06
Dwight A Merriman
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
01/02/2025
3000
712403.17
Dwight A Merriman Charitable Foundation
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
01/03/2025
1047
258355.28
Dwight A Merriman Charitable Foundation
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
01/13/2025
1045
253326.10
Dwight A Merriman
1633 Broadway 38th Floor
New York
NY
10019
MongoDB, Inc.
01/21/2025
1000
264735.63
Dwight Merriman
1633 Broadway 38th Floor
NewYork
NY
10019
MongoDB, Inc.
02/03/2025
3000
797220.83
The 922 shares sold today were from the Dwight A Merriman Charitable Foundation
02/07/2025
04/09/2024
Dwight A Merriman