Filing Details

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Diversified Master Fund, Ltd.

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Cayman

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None (See Item 4)

  SHARED VOTING POWER

  None (see Item 4)

  SOLE DISPOSITIVE POWER

  None (See Item 4)

  SHARED DISPOSITIVE POWER

  None

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  CO

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Diversified Fund, Ltd.

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Cayman

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None (See Item 4)

  SHARED VOTING POWER

  None (see Item 4)

  SOLE DISPOSITIVE POWER

  None (See Item 4)

  SHARED DISPOSITIVE POWER

  None

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  CO

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Diversified Fund, L.P.

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Cayman

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None (See Item 4)

  SHARED VOTING POWER

  None (see Item 4)

  SOLE DISPOSITIVE POWER

  None (See Item 4)

  SHARED DISPOSITIVE POWER

  None

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  PN

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Enhanced Master Fund, Ltd.

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Cayman

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None

  SHARED VOTING POWER

  None (See Item 4)

  SOLE DISPOSITIVE POWER

  None

  SHARED DISPOSITIVE POWER

  None (See Item 4)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  CO

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Enhanced Fund, Ltd.

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Cayman

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None

  SHARED VOTING POWER

  None (See Item 4)

  SOLE DISPOSITIVE POWER

  None

  SHARED DISPOSITIVE POWER

  None (See Item 4)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  CO

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Enhanced Fund, LP

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None

  SHARED VOTING POWER

  None (See Item 4)

  SOLE DISPOSITIVE POWER

  None

  SHARED DISPOSITIVE POWER

  None (See Item 4)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  PN

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Portable Alpha, LP

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None

  SHARED VOTING POWER

  None (See Item 4)

  SOLE DISPOSITIVE POWER

  None

  SHARED DISPOSITIVE POWER

  None (See Item 4)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  PN

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Institutional Equity Fund, LP

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None

  SHARED VOTING POWER

  None (See Item 4)

  SOLE DISPOSITIVE POWER

  None

  SHARED DISPOSITIVE POWER

  None (See Item 4)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  PN

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Master Fund, Ltd.

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Cayman

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None

  SHARED VOTING POWER

  None (See Item 4)

  SOLE DISPOSITIVE POWER

  None

  SHARED DISPOSITIVE POWER

  None (See Item 4)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  CO

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Global Investments, Ltd.

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Cayman

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None

  SHARED VOTING POWER

  None (See Item 4)

  SOLE DISPOSITIVE POWER

  None

  SHARED DISPOSITIVE POWER

  None (See Item 4)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  CO

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Atlas Global, LLC

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None

  SHARED VOTING POWER

  None (See Item 4)

  SOLE DISPOSITIVE POWER

  None

  SHARED DISPOSITIVE POWER

  None (See Item 4)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  PN

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Balyasny Asset Management L.P.

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None (See Item 4)

  SHARED VOTING POWER

  None

  SOLE DISPOSITIVE POWER

  None (See Item 4)

  SHARED DISPOSITIVE POWER

  None

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  IA

  NAMES OF REPORTING PERSONS

  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

  Dmitry Balyasny

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  United States

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  None (See Item 4)

  SHARED VOTING POWER

  None

  SOLE DISPOSITIVE POWER

  None (See Item 4)

  SHARED DISPOSITIVE POWER

  None

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  None (See Item 4)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ☐

  Not Applicable

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0%

  TYPE OF REPORTING PERSON*

  IN

(a)   Name of Issuer:

Dicerna Pharmaceuticals, Inc. (the Company)

(b)   Address of Issuers Principal Executive Offices:

87 Cambridgepark Drive

Cambridge, MA 02140

United States

(1) Atlas Diversified Master Fund, Ltd. is a Cayman corporation (ADMF), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies.

(2) Atlas Diversified Fund, Ltd. is a Cayman corporation (ADF LTD), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. ADF LTD owns 96.88% of the equity interests in ADMF.

(3) Atlas Diversified Fund, L.P. is a Delaware limited partnership (ADF LP), with its principal business office at 444 West Lake Street, 50th Floor, Chicago, IL 60606. ADF LP owns 3.12% of the equity interests in ADMF.

(4) Atlas Master Fund, Ltd. is a Cayman corporation (AMF), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies.

(5) Atlas Global, LLC is a Delaware limited liability company (AG), with its principal business office at 444 West Lake Street, 50th Floor, Chicago, IL 60606. AG owns 3.87% of the equity interests in AMF.

(6) Atlas Global Investments, Ltd. is a Cayman corporation (AGI), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. AGI owns 96.07% of the equity interests in AMF.

(7) Atlas Enhanced Master Fund, Ltd. is a Cayman corporation (AEMF), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies.

(8) Atlas Enhanced Fund, L.P. is a Delaware limited partnership (AEF LP), with its principal business office at 444 West Lake Street, 50th Floor, Chicago, IL 60606. AEF LP owns 31.61% of the equity interests in AEMF.

(9) Atlas Enhanced Fund, Ltd. is a Cayman corporation (AEF LTD), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. AEF LTD owns 56.06% of the equity interests in AEMF.

(10) Atlas Portable Alpha, LP is a Delaware limited partnership (APA LP), with its principal business office at 444 West Lake Street, 50th Floor, Chicago, IL 60606. APA LP owns 4.26% of the equity interests in AEMF.

(11) Atlas Terra Fund, Ltd. is a Cayman corporation (ATF LTD), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. ATF LTD owns 2.11% of the equity interests in AEMF.

(12) Atlas Institutional Equity Fund, L.P. is a Delaware limited partnership (AIEF LP), with its principal business office at 444 West Lake Street, 50th Floor, Chicago, IL 60606. AIEF LP owns 5.95% of the equity interests in AEMF.

(13) Balyasny Asset Management L.P. is a Delaware limited partnership (BAM), with its principal business office at 444 West Lake Street, 50th Floor, Chicago, IL 60606. BAM is the investment manager to each of ADMF, ADF LTD, ADF LP, AMF, AG, AGI, AEMF, AEF LP, AEF LTD, APA LP, ATF LTD and AIEF LP.

(14) Dmitry Balyasny, a United States citizen whose business address is 444 West Lake Street, 50th Floor, Chicago, IL 60606. Dmitry Balyasny indirectly controls 100% of the general partner of BAM.

(d)   Title of Class of Securities:

Common Stock

(e)   CUSIP Number: 253031108

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(ii)  Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(ii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

(a)   Amount Beneficially Owned:

None

(b)   Percent of Class:

0%

(c)   Number of Shares as to which person has:

(i) Sole power to vote or to direct vote:

None

(ii)  Shared power to vote or to direct vote:

None

(iii)  Sole power to dispose or direct disposition of:

None

(iv) Shared power to dispose or to direct disposition of:

None

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder

/s/ Scott Schroeder