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Insider Trading - Deerfield Mgmt L.P.

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"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Insider Trading Transactions for Deerfield Mgmt L.P.

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Common stock purchase or sale:
Transaction
Date		 Reported
DateTime		 Company Symbol Insider
Relationship		 Shares
Traded		 Average
Price		 Total
Amount		 Shares
Owned		 Filing
2018-10-01
Purchase		 2018-10-01
1:47 pm		 ARVINAS Inc ARVN Flynn James E
Deerfield Mgmt L.P.
Deerfield Mgmt III L.P.
Deerfield Mgmt IV L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Private Design Fund III L.P.
Deerfield Private Design Fund IV L.P.
10% Owner		 312,500 $16 $5,000,000 411,245
(Indirect)		 View
2018-07-23
Purchase		 2018-07-23
1:00 pm		 CONSTELLATION PHARMACEUTICALS INC CNST Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
10% Owner		 200,000 $15 $3,000,000 835,843
(Indirect)		 View
2018-06-25
Purchase		 2018-06-27
4:58 pm		 XERIS PHARMACEUTICALS INC XERS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
10% Owner		 750,000 $15 $11,250,000 1,498,666
(Indirect)		 View
2018-05-29
Purchase		 2018-05-31
4:19 pm		 Kiniksa Pharmaceuticals Ltd. KNSA Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 843,352 $18.97 $15,996,834 843,352
(Indirect)		 View
2018-05-09
Sale		 2018-05-10
4:51 pm		 Mallinckrodt plc MNK Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
DEERFIELD PARTNERS L.P.
10% Owner		 312,928 $13.39 $4,189,818 8,510,461
(Indirect)		 View
2018-04-02
Purchase		 2018-04-04
8:56 pm		 Homology Medicines Inc. FIXX Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield Private Design Fund III L.P.
Deerfield Mgmt III L.P.
Deerfield Healthcare Innovations Fund L.P.
Deerfield Mgmt HIF L.P.
Director, 10% Owner		 1,250,000 $16 $20,000,000 2,613,517
(Indirect)		 View
2018-03-06
Sale(A)		 2018-03-21
4:12 pm		 CATALYST BIOSCIENCES Inc CBIO Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 71,778 $30.53 $2,191,045 849,763
(Indirect)		 View
2018-03-06
Sale		 2018-03-08
5:18 pm		 CATALYST BIOSCIENCES Inc CBIO Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
10% Owner		 71,778 $30.53 $2,191,045 1,171,839
(Indirect)		 View
2017-11-30
Purchase		 2017-12-04
5:17 pm		 PROTEON THERAPEUTICS INC PRTO Flynn James E
DEERFIELD MANAGEMENT CO
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield International Master Fund L.P.
Director		 110,557 $1.75 $193,475 877,799
(Indirect)		 View
2017-11-30
Sale		 2017-12-04
5:17 pm		 PROTEON THERAPEUTICS INC PRTO Flynn James E
DEERFIELD MANAGEMENT CO
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield International Master Fund L.P.
Director		 110,557 $1.75 $193,475 877,799
(Indirect)		 View
2017-10-10
Purchase		 2017-10-10
09:40 am		 RHYTHM PHARMACEUTICALS Inc RYTM Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT CO
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
10% Owner		 355,000 $17 $6,035,000 468,505
(Indirect)		 View
2017-06-12
Sale		 2017-06-14
8:13 pm		 Recro Pharma Inc. REPH Flynn James E
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
DEERFIELD MANAGEMENT CO
Deerfield International Master Fund L.P.
Deerfield Special Situations Fund L.P.
10% Owner		 110,447 $6.394 $706,226 1,277,132
(Indirect)		 View
2017-06-07
Sale		 2017-06-09
4:07 pm		 Recro Pharma Inc. REPH Flynn James E
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
DEERFIELD MANAGEMENT CO
Deerfield International Master Fund L.P.
Deerfield Special Situations Fund L.P.
10% Owner		 62,868 $7.063 $444,010 1,304,377
(Indirect)		 View
2017-04-26
Sale		 2017-04-27
7:00 pm		 eHealth Inc. EHTH Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT CO
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
Deerfield International Master Fund L.P.
10% Owner		 426,954 $11.66 $4,978,115 949,443
(Indirect)		 View
2017-04-13
Sale		 2017-04-17
5:37 pm		 eHealth Inc. EHTH Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT CO
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
Deerfield International Master Fund L.P.
10% Owner		 150,000 $11 $1,650,000 975,375
(Indirect)		 View
2017-04-07
Sale		 2017-04-11
5:56 pm		 eHealth Inc. EHTH Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT CO
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
Deerfield International Master Fund L.P.
10% Owner		 232,101 $11.38 $2,641,691 1,035,646
(Indirect)		 View
2017-01-24
Sale		 2017-01-26
5:13 pm		 CAS MEDICAL SYSTEMS INC CASM Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT CO
Deerfield Special Situations Fund L.P.
10% Owner		 636,238 $1.464 $931,230 2,947,554
(Indirect)		 View
(A) Indicate amendment filing.

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date		 Reported
DateTime		 Exercisable
Expiration		 Company Symnbol Insider
Relationship		 Shares
Traded		 Conversion
Price		 Shares
Owned		 Filing
2019-01-11
Other		 2019-01-18
2:55 pm		 N/A
2022-01-19		 Aclaris Therapeutics Inc. ACRS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 1 $7 4,481,788
(Indirect)		 View
2019-01-11
Other		 2019-01-18
2:55 pm		 N/A
2022-01-19		 Aclaris Therapeutics Inc. ACRS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 1 $6.969 4,481,788
(Indirect)		 View
2019-01-11
Other		 2019-01-18
2:55 pm		 N/A
2022-01-19		 Aclaris Therapeutics Inc. ACRS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 1 $6.931 4,481,788
(Indirect)		 View
2018-12-28
Other		 2019-01-02
5:33 pm		 N/A
2022-01-19		 Aclaris Therapeutics Inc. ACRS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 1 $6.999 4,481,788
(Indirect)		 View
2018-12-24
Other		 2018-12-27
7:07 pm		 N/A
2022-01-19		 Aclaris Therapeutics Inc. ACRS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 1 $6.919 4,481,788
(Indirect)		 View
2018-12-24
Other		 2018-12-27
7:07 pm		 N/A
2022-01-19		 Aclaris Therapeutics Inc. ACRS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 1 $6.855 4,481,788
(Indirect)		 View
2018-12-24
Other		 2018-12-27
7:07 pm		 N/A
2022-01-19		 Aclaris Therapeutics Inc. ACRS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 1 $6.889 4,481,788
(Indirect)		 View
2018-12-19
Other		 2018-12-21
7:16 pm		 N/A
2022-01-19		 Aclaris Therapeutics Inc. ACRS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 1 $6.914 4,481,788
(Indirect)		 View
2018-12-19
Other		 2018-12-21
7:16 pm		 N/A
2022-01-19		 Aclaris Therapeutics Inc. ACRS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 1 $6.842 4,481,788
(Indirect)		 View
2018-12-19
Other		 2018-12-21
7:16 pm		 N/A
2022-01-19		 Aclaris Therapeutics Inc. ACRS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 1 $6.945 4,481,788
(Indirect)		 View
2018-10-01
Conversion		 2018-10-01
1:47 pm		 N/A
N/A		 ARVINAS Inc ARVN Flynn James E
Deerfield Mgmt L.P.
Deerfield Mgmt III L.P.
Deerfield Mgmt IV L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Private Design Fund III L.P.
Deerfield Private Design Fund IV L.P.
10% Owner		 307,078 $0 411,245
(Indirect)		 View
2018-10-01
Conversion		 2018-10-01
1:47 pm		 N/A
N/A		 ARVINAS Inc ARVN Flynn James E
Deerfield Mgmt L.P.
Deerfield Mgmt III L.P.
Deerfield Mgmt IV L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Private Design Fund III L.P.
Deerfield Private Design Fund IV L.P.
10% Owner		 307,078 $0 411,245
(Indirect)		 View
2018-10-01
Conversion		 2018-10-01
1:47 pm		 N/A
N/A		 ARVINAS Inc ARVN Flynn James E
Deerfield Mgmt L.P.
Deerfield Mgmt III L.P.
Deerfield Mgmt IV L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Private Design Fund III L.P.
Deerfield Private Design Fund IV L.P.
10% Owner		 307,078 $0 411,245
(Indirect)		 View
2018-10-01
Conversion		 2018-10-01
1:47 pm		 N/A
N/A		 ARVINAS Inc ARVN Flynn James E
Deerfield Mgmt L.P.
Deerfield Mgmt III L.P.
Deerfield Mgmt IV L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Private Design Fund III L.P.
Deerfield Private Design Fund IV L.P.
10% Owner		 998,004 $0 411,245
(Indirect)		 View
2018-10-01
Conversion		 2018-10-01
1:47 pm		 N/A
N/A		 ARVINAS Inc ARVN Flynn James E
Deerfield Mgmt L.P.
Deerfield Mgmt III L.P.
Deerfield Mgmt IV L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Private Design Fund III L.P.
Deerfield Private Design Fund IV L.P.
10% Owner		 998,004 $0 411,245
(Indirect)		 View
2018-10-01
Conversion		 2018-10-01
1:47 pm		 N/A
N/A		 ARVINAS Inc ARVN Flynn James E
Deerfield Mgmt L.P.
Deerfield Mgmt III L.P.
Deerfield Mgmt IV L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Private Design Fund III L.P.
Deerfield Private Design Fund IV L.P.
10% Owner		 998,004 $0 411,245
(Indirect)		 View
2018-07-23
Conversion		 2018-07-23
1:00 pm		 N/A
N/A		 CONSTELLATION PHARMACEUTICALS INC CNST Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
10% Owner		 635,843 $0 835,843
(Indirect)		 View
2018-07-23
Conversion		 2018-07-23
1:00 pm		 N/A
N/A		 CONSTELLATION PHARMACEUTICALS INC CNST Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
10% Owner		 7,000,000 $0 835,843
(Indirect)		 View
2018-06-25
Conversion		 2018-06-27
4:58 pm		 N/A
N/A		 XERIS PHARMACEUTICALS INC XERS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
10% Owner		 874,333 $0 1,498,666
(Indirect)		 View
2018-06-25
Conversion		 2018-06-27
4:58 pm		 N/A
N/A		 XERIS PHARMACEUTICALS INC XERS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
10% Owner		 874,333 $0 1,498,666
(Indirect)		 View
2018-06-25
Conversion		 2018-06-27
4:58 pm		 N/A
N/A		 XERIS PHARMACEUTICALS INC XERS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
10% Owner		 1,557,292 $0 1,498,666
(Indirect)		 View
2018-06-25
Conversion		 2018-06-27
4:58 pm		 N/A
N/A		 XERIS PHARMACEUTICALS INC XERS Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
10% Owner		 1,557,292 $0 1,498,666
(Indirect)		 View
2018-06-25
Sale		 2018-06-25
5:59 pm		 N/A
N/A		 AVADEL PHARMACEUTICALS PLC AVDL Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Private Design Fund II L.P.
Deerfield Special Situations Fund L.P.
Deerfield Mgmt L.P.
Deerfield Private Design International II L.P.
Breaking Stick Holdings LLC
10% Owner		 114,034 $5.992 1,131,802
(Indirect)		 View
2018-05-29
Conversion		 2018-05-31
4:19 pm		 N/A
N/A		 Kiniksa Pharmaceuticals Ltd. KNSA Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 383,538 $0 843,352
(Indirect)		 View
2018-05-29
Conversion		 2018-05-31
4:19 pm		 N/A
N/A		 Kiniksa Pharmaceuticals Ltd. KNSA Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		 383,538 $0 843,352
(Indirect)		 View
2018-04-02
Conversion		 2018-04-04
8:56 pm		 N/A
N/A		 Homology Medicines Inc. FIXX Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield Private Design Fund III L.P.
Deerfield Mgmt III L.P.
Deerfield Healthcare Innovations Fund L.P.
Deerfield Mgmt HIF L.P.
Director, 10% Owner		 669,034 $0 2,613,517
(Indirect)		 View
2018-04-02
Conversion		 2018-04-04
8:56 pm		 N/A
N/A		 Homology Medicines Inc. FIXX Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield Private Design Fund III L.P.
Deerfield Mgmt III L.P.
Deerfield Healthcare Innovations Fund L.P.
Deerfield Mgmt HIF L.P.
Director, 10% Owner		 669,034 $0 2,613,517
(Indirect)		 View
2018-04-02
Conversion		 2018-04-04
8:56 pm		 N/A
N/A		 Homology Medicines Inc. FIXX Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield Private Design Fund III L.P.
Deerfield Mgmt III L.P.
Deerfield Healthcare Innovations Fund L.P.
Deerfield Mgmt HIF L.P.
Director, 10% Owner		 1,319,484 $0 2,613,517
(Indirect)		 View
2018-04-02
Conversion		 2018-04-04
8:56 pm		 N/A
N/A		 Homology Medicines Inc. FIXX Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield Private Design Fund III L.P.
Deerfield Mgmt III L.P.
Deerfield Healthcare Innovations Fund L.P.
Deerfield Mgmt HIF L.P.
Director, 10% Owner		 1,319,483 $0 2,613,517
(Indirect)		 View
2018-04-02
Conversion		 2018-04-04
8:56 pm		 N/A
N/A		 Homology Medicines Inc. FIXX Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield Private Design Fund III L.P.
Deerfield Mgmt III L.P.
Deerfield Healthcare Innovations Fund L.P.
Deerfield Mgmt HIF L.P.
Director, 10% Owner		 3,521,126 $0 2,613,517
(Indirect)		 View
2018-04-02
Conversion		 2018-04-04
8:56 pm		 N/A
N/A		 Homology Medicines Inc. FIXX Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield Private Design Fund III L.P.
Deerfield Mgmt III L.P.
Deerfield Healthcare Innovations Fund L.P.
Deerfield Mgmt HIF L.P.
Director, 10% Owner		 3,521,126 $0 2,613,517
(Indirect)		 View
2018-04-02
Conversion		 2018-04-04
8:56 pm		 N/A
N/A		 Homology Medicines Inc. FIXX Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield Private Design Fund III L.P.
Deerfield Mgmt III L.P.
Deerfield Healthcare Innovations Fund L.P.
Deerfield Mgmt HIF L.P.
Director, 10% Owner		 6,944,445 $0 2,613,517
(Indirect)		 View
2018-04-02
Conversion		 2018-04-04
8:56 pm		 N/A
N/A		 Homology Medicines Inc. FIXX Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
Deerfield Private Design Fund III L.P.
Deerfield Mgmt III L.P.
Deerfield Healthcare Innovations Fund L.P.
Deerfield Mgmt HIF L.P.
Director, 10% Owner		 6,944,444 $0 2,613,517
(Indirect)		 View
2017-10-10
Conversion		 2017-10-10
09:40 am		 N/A
N/A		 RHYTHM PHARMACEUTICALS Inc RYTM Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT CO
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
10% Owner		 291,005 $0 468,505
(Indirect)		 View
2017-10-10
Conversion		 2017-10-10
09:40 am		 N/A
N/A		 RHYTHM PHARMACEUTICALS Inc RYTM Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT CO
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
10% Owner		 291,005 $0 468,505
(Indirect)		 View
2017-10-10
Conversion		 2017-10-10
09:40 am		 N/A
N/A		 RHYTHM PHARMACEUTICALS Inc RYTM Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT CO
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
10% Owner		 2,668,518 $0 468,505
(Indirect)		 View
2017-10-10
Conversion		 2017-10-10
09:40 am		 N/A
N/A		 RHYTHM PHARMACEUTICALS Inc RYTM Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT CO
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
10% Owner		 2,668,518 $0 468,505
(Indirect)		 View