<SUBMISSION>
<SECRELEASE-DATETIME> 20180510-095233 ⇐ Metadata from SEC Info (ET)
<SECWEBSITE-DATETIME> 20180510-095233 ⇐ Metadata from SEC Info (ET)
<ACCEPTANCE-DATETIME> 20180510-105015 ⇐ Filing accepted by SEC (ET)
<ACCESSION-NUMBER> 0000315066-18-001920
<TYPE> SC 13G/A
<PUBLIC-DOCUMENT-COUNT> 1
<FILING-DATE> 20180510
<DATE-OF-FILING-DATE-CHANGE> 20180510
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<SUBJECT-COMPANY>
<COMPANY-DATA>
<CONFORMED-NAME> Karyopharm Therapeutics Inc.
<CIK> 0001503802
<ASSIGNED-SIC> 2834
<IRS-NUMBER> 263931704 ⇒ 26-3931704 or 263-93-1704
<STATE-OF-INCORPORATION> DE
<FISCAL-YEAR-END> 1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE> SC 13G/A
<ACT> 34
<FILE-NUMBER> 005-87705
<FILM-NUMBER> 18821040
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1> 85 WELLS AVENUE
<STREET2> SECOND FLOOR
<CITY> NEWTON
<STATE> MA
<ZIP> 02459
<PHONE> 617-658-0600
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1> 85 WELLS AVENUE
<STREET2> SECOND FLOOR
<CITY> NEWTON
<STATE> MA
<ZIP> 02459
</MAIL-ADDRESS>
</SUBJECT-COMPANY>
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<FILED-BY>
<COMPANY-DATA>
<CONFORMED-NAME> FMR LLC
<CIK> 0000315066
<ASSIGNED-SIC> 0000
<IRS-NUMBER> 043532603 ⇒ 04-3532603
<STATE-OF-INCORPORATION> DE
<FISCAL-YEAR-END> 1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE> SC 13G/A
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1> 245 SUMMER STREET
<CITY> BOSTON
<STATE> MA
<ZIP> 02210
<PHONE> 6175706339
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1> 245 SUMMER STREET
<CITY> BOSTON
<STATE> MA
<ZIP> 02210
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME> FMR CORP
<DATE-CHANGED> 19920717
</FORMER-COMPANY>
</FILED-BY>
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<DOCUMENT>
<TYPE> SC 13G/A
<SEQUENCE> 1
<FILENAME> filing.txt
<TEXT>
Show <TEXT>: 215 lines (widest: 89 characters) - 8K bytes
</TEXT>
</DOCUMENT>
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</SUBMISSION> |
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