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                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
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            <paymentDate>10/29/2024</paymentDate>
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                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>19462</ns2:zipCode>
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            <grossProceeds>1274545.53</grossProceeds>
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                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>19462</ns2:zipCode>
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                    <ns2:zipCode>19462</ns2:zipCode>
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            <saleDate>09/30/2024</saleDate>
            <amountOfSecuritiesSold>35846</amountOfSecuritiesSold>
            <grossProceeds>1434951.70</grossProceeds>
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        <securitiesSoldInPast3Months>
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                    <ns2:street1>630 W Germantown Pike, Suite 215</ns2:street1>
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                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>19462</ns2:zipCode>
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            <amountOfSecuritiesSold>200</amountOfSecuritiesSold>
            <grossProceeds>8009.00</grossProceeds>
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        <noticeSignature>
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            <planAdoptionDates>
                <planAdoptionDate>02/23/2024</planAdoptionDate>
            </planAdoptionDates>
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144
0001821102
XXXXXXXX
LIVE
0001802665
HARMONY BIOSCIENCES HLDGS INC
001-39450
630 W Germantown Pike, Suite 215
Plymouth Meeting
PA
19462
4845399800
JEFFREY G DIERKS
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
21496
768482.00
57031297
10/29/2024
NASDAQ
Common
10/29/2024
Exercise of Stock Options
Issuer
N
21496
10/29/2024
Cash
N
10b5-1 Sales for JEFFREY G DIERKS
630 W Germantown Pike, Suite 215
Plymouth Meeting
PA
19462
Common
10/03/2024
36357
1274545.53
10b5-1 Sales for JEFFREY G DIERKS
630 W Germantown Pike, Suite 215
Plymouth Meeting
PA
19462
Common
10/01/2024
400
16076.92
10b5-1 Sales for JEFFREY G DIERKS
630 W Germantown Pike, Suite 215
Plymouth Meeting
PA
19462
Common
09/30/2024
35846
1434951.70
10b5-1 Sales for JEFFREY G DIERKS
630 W Germantown Pike, Suite 215
Plymouth Meeting
PA
19462
Common
09/27/2024
200
8009.00
10/29/2024
02/23/2024
/s/ Jeffrey G. Dierks