Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Chione Ltd
  2. Issuer Name and Ticker or Trading Symbol
Karyopharm Therapeutics Inc. [KPTI]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
SIMOU MENARDOU 5,, KIFISIA COURT, OFFICE 225
3. Date of Earliest Transaction (Month/Day/Year)
02/25/2019
(Street)

6015 LARNACA, G4 CY
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
COMMON STOCK 02/25/2019   S   800,000 D $ 4.9936 (1) (2) 6,831,267 (3) (4) (5) D  
COMMON STOCK 02/26/2019   S   123,400 D $ 5.0017 (1) (2) 6,707,867 (3) (4) (5) D  
COMMON STOCK 02/27/2019   S   558,243 D $ 4.5067 (1) (2) 6,149,624 (3) (4) (5) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Chione Ltd
SIMOU MENARDOU 5,
KIFISIA COURT, OFFICE 225
6015 LARNACA, G4 CY
    X    
Czernik Marcin
SIMOU MENARDOU 5,
KIFISIA COURT, OFFICE 225
6015 LARNACA, G4 00000
    X    
Hadjimichael Andreas
SIMOU MENARDOU 5,
KIFISIA COURT, OFFICE 225
6015 LARNACA, G4 00000
    X    
Hadjimichael George
SIMOU MENARDOU 5,
KIFISIA COURT, OFFICE 225
6015 LARNACA, G4 00000
    X    
Smolokowski Wiaczeslaw
CHALET LENOTCHKA CH.DE BARNOUD
1885 CHESIERES
SWITZERLAND, G4 00000
    X    

Signatures

 /s/ Chione Limited, by /s/ Simon Prisk, as attorney-in fact by power of attorney   02/27/2018
**Signature of Reporting Person Date

 /s/ Marcin Czernik, by /s/ Simon Prisk, as attorney-in fact by power of attorney   02/27/2018
**Signature of Reporting Person Date

 /s/ Andreas Hadjimichael, by /s/ Simon Prisk, as attorney-in fact by power of attorney   02/27/2018
**Signature of Reporting Person Date

 /s/ George Hadjimichael, by /s/ Simon Prisk, as attorney-in fact by power of attorney   02/27/2018
**Signature of Reporting Person Date

 /s/ Wiaczeslaw Smolokowski, by /s/ Simon Prisk, as attorney-in fact by power of attorney   02/27/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The prices reported in Column 4 are weighted average prices. The shares were sold on 02/25/2019 at prices ranging from $4.80 to $5.31, inclusive, on 02/26/2019 at prices ranging from $5.00 to $5.08, inclusive, and on 02/27/2019 at prices ranging from $4.40 to $4.675, inclusive.
(2) The reporting persons undertake to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within each of the ranges set forth in footnote 1 above.
(3) Shares of Common Stock are owned directly by Chione Limited ("Chione"). Chione's directors, Marcin Czernik, Andreas Hadjimichael and George Hadjimichael, may be deemed to share voting and investment power and beneficial ownership of the shares of Common Stock directly owned by Chione. Wiaczeslaw Smolokowski, the sole shareholder of Chione, may also be deemed to share voting and investment power and beneficial ownership of the shares of Common Stock directly owned by Chione.
(4) Each reporting person states that neither the filing of this Form 4 nor anything herein shall be deemed an admission that such person or any other person is, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Act"), or otherwise, the beneficial owner of any securities covered by this Form 4. Beneficial ownership of the securities covered by this statement is disclaimed.
(5) Each reporting person may be deemed to be a member of a group with respect to the issuer or securities of the issuer for purposes of Section 13(d) or 13(g) of the Act. Each reporting person declares that neither the filing of this Form 4 nor anything herein shall be construed as an admission that such person or any other person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, a member of a group with respect to the issuer or securities of the issuer.
 
Remarks:
Exhibit Index Exhibit 24.1 - Power of Attorney, dated February 8, 2019, made by Marcin Czernik and Chione Limited in favor of Simon Prisk (previously filed) Exhibit 24.2 - Power of Attorney, dated February 8, 2019, made by Andreas Hadjimichael and Chione Limited in favor of Simon Prisk (previously filed) Exhibit 24.3 - Power of Attorney, dated February 8, 2019, made by George Hadjimichael and Chione Limited in favor of Simon Prisk (previously filed) Exhibit 24.4 - Power of Attorney, dated February 8, 2019, made by Wiaczeslaw Smolokowski in favor of Simon Prisk Exhibit (previously filed) 99.1 - Joint Filer Information (filed herewith) Exhibit 99.2 - Joint Filing Agreement (filed herewith). All previously filed exhibits were filed with the Schedule 13G/A of the reporting persons, filed on February 13, 2019.

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