13D Filing: James Flynn’s Deerfield Management Takes 9.99% Stake in Newly-Public AveXis, Inc. (AVXS)

AveXis Inc (NASDAQ:AVXS) is the subject of a new 13D filing issued by James Flynn‘s Deerfield Management, which reveals a 2.24 million-share position in the stock, which you can see in the table below. 13D filings indicate an activist position, which means that the filer may make efforts to engage the company’s management and/or board of directors and make recommendations as to ways to improve the company’s operations and enhance the stock’s value to shareholders. AveXis went public earlier this month.

You can access the original SEC filing by clicking here.

Ownership Summary Table

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
Deerfield Mgmt 0 613,611 0 613,611 613,611 2.74%
Deerfield Special Situations Fund 0 413,611 0 413,611 413,611 1.85%
Deerfield Partners 0 88,000 0 88,000 88,000 0.39%
Deerfield Management Company 0 2,236,700 0 2,236,700 2,236,700 9.99%
Deerfield Mgmt III 0 1,623,089 0 1,623,089 1,623,089 7.25%
James E. Flynn 0 2,236,700 0 2,236,700 2,236,700 9.99%

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Page 1 of 17 SEC Filing

 
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D
[Rule 13d-101]
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 24.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13D-2(a)
(Amendment No. )*
AveXis, Inc. 

(Name of Issuer)
Common Stock, par value $0.0001 per share

(Title of Class of Securities)
05366U100

(CUSIP Number)
 
David Clark
Deerfield Mgmt, L.P.
780 Third Avenue, 37th Floor
New York, New York  10017
(212) 551-1600
With a copy to:
Elliot Press, Esq.
Katten Muchin Rosenman LLP
575 Madison Avenue
New York, New York  10022
(212) 940-8800

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
February 10, 2016

(Date of Event which Requires Filing of this Statement)
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box o.
Note:   Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See § 240.13d-7 for other parties to whom copies are to be sent.
(Continued on following pages)
(Page 1 of 20 Pages)
* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

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Page 2 of 17 SEC Filing

 
SCHEDULE 13D
CUSIP No.
05366U100
Page 2 of 20 Pages
 
1
NAME OF REPORTING PERSON
 
Deerfield Mgmt, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) o 
(b) x
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
AF
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
o
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
7
SOLE VOTING POWER
 
0
8
SHARED VOTING POWER
 
613,611 (1)
9
SOLE DISPOSITIVE POWER
 
0
10
SHARED DISPOSITIVE POWER
 
613,611 (1)
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
613,611 (1)
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
2.74%
14
TYPE OF REPORTING PERSON
PN
 
(1) Comprised of 413,611 shares held by Deerfield Special Situations Fund, L.P., 88,000 shares held by Deerfield Partners, L.P. and 112,000 shares held by Deerfield International Master Fund, L.P.
 

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Page 3 of 17 SEC Filing

 
SCHEDULE 13D
CUSIP No.
05366U100
Page 3 of 20 Pages
1
NAME OF REPORTING PERSON
 
Deerfield Special Situations Fund, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) o 
(b) x
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
WC
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
o
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
7
SOLE VOTING POWER
 
0
8
SHARED VOTING POWER
 
413,611
9
SOLE DISPOSITIVE POWER
 
0
10
SHARED DISPOSITIVE POWER
 
413,611
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
413,611
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
1.85%
14
TYPE OF REPORTING PERSON
PN

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Page 4 of 17 SEC Filing

SCHEDULE 13D
CUSIP No.
05366U100
Page 4 of 20 Pages
 
1
NAME OF REPORTING PERSON
 
Deerfield Partners, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) o 
(b) x
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
WC
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
o
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
7
SOLE VOTING POWER
 
0
8
SHARED VOTING POWER
 
88,000
9
SOLE DISPOSITIVE POWER
 
0
10
SHARED DISPOSITIVE POWER
 
88,000
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
88,000
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
0.39%
14
TYPE OF REPORTING PERSON
PN
 

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Page 5 of 17 SEC Filing

SCHEDULE 13D
CUSIP No.
05366U100
Page 7 of 20 Pages
 
1
NAME OF REPORTING PERSON
 
Deerfield Management Company, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) o 
(b) x
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
AF
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
o
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
7
SOLE VOTING POWER
 
0
8
SHARED VOTING POWER
 
2,236,700 (2)
9
SOLE DISPOSITIVE POWER
 
0
10
SHARED DISPOSITIVE POWER
 
2,236,700 (2)
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
2,236,700 (2)
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
9.99%
14
TYPE OF REPORTING PERSON
PN
 
(2) Comprised of 413,611 shares held by Deerfield Special Situations Fund, L.P., 88,000 shares held by Deerfield Partners, L.P., 1,623,089 shares held by Deerfield Private Design Fund III, L.P. and 112,000 shares held by Deerfield International Master Fund, L.P.
 

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Page 6 of 17 SEC Filing

 
SCHEDULE 13D
CUSIP No.
05366U100
Page 8 of 20 Pages
 
1
NAME OF REPORTING PERSON
 
Deerfield Mgmt III, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) o 
(b) x
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
AF
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
o
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
7
SOLE VOTING POWER
 
0
8
SHARED VOTING POWER
 
1,623,089 (3)
9
SOLE DISPOSITIVE POWER
 
0
10
SHARED DISPOSITIVE POWER
 
1,623,089 (3)
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
1,623,089 (3)
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
7.25%
14
TYPE OF REPORTING PERSON
PN
 
(3)  Comprised of 1,623,089 shares held by Deerfield Private Design Fund III, L.P.
 

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Page 7 of 17 SEC Filing

 
SCHEDULE 13D
CUSIP No.
05366U100
Page 9 of 20 Pages
 
1
NAME OF REPORTING PERSON
 
James E. Flynn
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) o 
(b) x
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
AF
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
o
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
United States of America
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
7
SOLE VOTING POWER
 
0
8
SHARED VOTING POWER
 
2,236,700  (4)
9
SOLE DISPOSITIVE POWER
 
0
10
SHARED DISPOSITIVE POWER
 
2,236,700  (4)
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
2,236,700  (4)
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
9.99%
14
TYPE OF REPORTING PERSON
IN
 
(4)  Comprised of 413,611 shares held by Deerfield Special Situations Fund, L.P., 88,000 shares held by Deerfield Partners, L.P., 1,623,089 shares held by Deerfield Private Design Fund III, L.P. and 112,000 shares held by Deerfield International Master Fund, L.P.
 

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Page 8 of 17 SEC Filing

 
CUSIP No.
05366U100
Page 10 of 20 Pages
 
This Schedule 13D is filed by (i) Deerfield Mgmt, L.P. (“Deerfield Mgmt”), (ii) Deerfield Special Situations Fund, L.P. (“Deerfield Special Situations Fund”), (iii) Deerfield Management Company, L.P. (“Deerfield Management”), (iv) Deerfield Private Design Fund III, L.P. (“Deerfield Private Design Fund III”), (v) Deerfield Partners, L.P. (“Deerfield Partners”), (vi) Deerfield International Master Fund, L.P. (“Deerfield International Master Fund”), (vii) Deerfield Mgmt III, L.P. (“Deerfield Mgmt III”) and (viii) James E. Flynn, a natural person (“Flynn” and collectively with Deerfield Mgmt, Deerfield Special Situations Fund, Deerfield Management, Deerfield Private Design Fund III, Deerfield Partners, Deerfield International Master Fund and Deerfield Mgmt III, the “Reporting Persons”), with respect to the securities of AveXis, Inc. Deerfield Special Situations Fund, Deerfield Private Design Fund III, Deerfield Partners and Deerfield International Master Fund are collectively referred to herein as the “Funds”).
Item 1.
Security and Issuer.
This Statement on Schedule 13D relates to the shares of Common Stock, $0.0001 par value per share (the “Common Stock”), of AveXis, Inc., a Delaware corporation (the “Company”). The address of the Company’s principal executive offices is 2275 Half Day Road, Suite 160, Bannockburn, Illinois 60015.
Item 2.
Identity and Background.
(a)
This Statement is filed as a joint statement pursuant to Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934 (the “Exchange Act”) by the Reporting Persons.
(b)
The address of the principal business and/or principal office of the Reporting Persons is 780 Third Avenue, 37th Floor, New York, New York 10017.
(c)
Flynn is the managing member of the general partner of each of Deerfield Mgmt, Deerfield Mgmt III and Deerfield Management.  Deerfield Mgmt is the general partner of Deerfield Special Situations Fund, Deerfield Partners and Deerfield International Master Fund, Deerfield Mgmt III is the general partner of Deerfield Private Design Fund III, and Deerfield Management is the investment manager of the Funds.  The Funds purchase, hold and sell securities and other investment products.  Schedule A hereto sets forth information regarding persons referred in Instruction C to Schedule 13D.
(d)
During the last five years, none of the Reporting Persons, nor, to the best of each of the Reporting Person’s knowledge, any of the persons listed on Schedule A attached hereto, has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)
In September 2013, Deerfield Management voluntarily agreed to settle a Securities and Exchange Commission (“SEC”) inquiry relating to six alleged violations of Rule 105 of Regulation M under the Securities Exchange Act of 1934, as amended, without admitting or denying the SEC’s allegations. The violations allegedly occurred between December 2010 and January 2013. Rule 105 generally prohibits purchasing an equity security in a registered offering if the purchaser sold short the same security during a restricted period (generally defined as five business days before the pricing of the offering). Rule 105’s prohibition applies irrespective of any intent to violate the rule. The settlement involved the payment by Deerfield Management of disgorgement, prejudgment interest and a civil money penalty in the aggregate amount of $1,902,224. Other than as set forth above in this Item 2(e), during the last five years, none of the Reporting Persons, nor, to the best of each of the Reporting Person’s knowledge, any of the persons listed on Schedule A attached hereto, has been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and, as a result of such proceeding, was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

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Page 9 of 17 SEC Filing

CUSIP No.
05366U100
Page 11 of 20 Pages
(f)
Each of Deerfield Mgmt, Deerfield Mgmt III, Deerfield Special Situations Fund, Deerfield Private Design Fund III, Deerfield Partners and Deerfield Management are each organized under the laws of the State of Delaware. Deerfield International Master Fund is organized under the laws of the British Virgin Islands.  Flynn is a citizen of the United States of America.
The Reporting Persons have entered into a Joint Filing Agreement, a copy of which is attached hereto as Exhibit A.
Item 3.
Source and Amount of Funds or Other Consideration.
Each of Deerfield Special Situations Fund, Deerfield Private Design Fund III, Deerfield Partners and Deerfield International Master Fund utilized available cash assets to acquire the shares of Common Stock held by such entity. The aggregate amount of funds used by each such entity to acquire such shares is set forth below.
Deerfield Private Design Fund III, L.P.
$12,782,435.10
 
Deerfield Partners, L.P.
$1,760,000.00
 
Deerfield International Master Fund, L.P.
$2,240,000.00
 
Deerfield Special Situations Fund, L.P.
$8,191,208.00
 
Item 4.
Purpose of Transaction.
The Reporting Persons have acquired the shares reported herein for investment purposes.  Prior to the Company’s February 17, 2016 initial public offering, Deerfield Special Situations Fund and Deerfield Private Design Fund III had participated in equity financings involving the Company and had acquired shares of Common Stock, Class B-1 Preferred Stock, Class C Preferred Stock and Class D Preferred Stock (the “Preferred Stock”).  In connection with the closing of the Company’s initial public offering, the shares of Preferred Stock beneficially owned by Deerfield Special Situations Fund and Deerfield Private Design Fund III converted into shares of Common Stock.  In addition, Deerfield Special Situations Fund, Deerfield Private Design Fund III, Deerfield Partners and Deerfield International Master Fund acquired an aggregate of 486,495 shares of Common Stock in the Company’s initial public offering.

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Page 10 of 17 SEC Filing

CUSIP No.
05366U100
Page 12 of 20 Pages
Pursuant to the terms of the Company’s Amended and Restated Investors’ Rights Agreement, dated as of August 11, 2014 between the Company and certain holders of Common Stock and the Preferred Stock (as amended and restated by the Second Amended and Restated Investors’ Rights Agreement, dated as of April 22, 2015, and further amended and restated by the Third Amended and Restated Investor Rights Agreement, dated as of September 3, 2015 and as modified by the Amendment, Waiver and Joinder to the Third Amended and Restated Investor Rights Agreement, dated October 13, 2015) (the “Investors’ Rights Agreement”), Jonathan Leff, a partner of Deerfield Management, was designated by Deerfield Private Design Fund III to serve on the Company’s board of directors. Although Deerfield Private Design Fund III’s right to designate directors to the board of directors of the Company terminated upon consummation of the Company’s initial public offering, Mr. Leff continues to serve on the Company’s board of directors.

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Page 11 of 17 SEC Filing

CUSIP No.
05366U100
Page 13 of 20 Pages
Item 5.
Interest in Securities of the Issuer.
(a)
(1)           Deerfield Mgmt
Number of shares:
613,611 (comprised of shares held by Deerfield Special Situations Fund, Deerfield Partners and Deerfield International Master Fund)
Percentage of shares:    2.74%
(2)           Deerfield Management
Number of shares:
2,236,700 (comprised of shares held by Deerfield Special Situations Fund, Deerfield Private Design Fund III, Deerfield Partners and Deerfield International Master Fund)
Percentage of shares:    9.99%
(3)           Deerfield Special Situations Fund
Number of shares:  413,611
Percentage of shares:  1.85%
 (4)           Deerfield Private Design Fund III
Number of shares:  1,623,089
Percentage of shares:  7.25%
(5)           Deerfield Partners
Number of Shares:  88,000
Percentage of Shares:  0.39%
(6)           Deerfield International Master Fund
Number of Shares:  112,000
Percentage of Shares:  0.50%
(7)           Deerfield Mgmt III
Number of shares:
1,623,089 (comprised of shares held by Deerfield Private Design Fund III)
Percentage of shares:    7.25%

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Page 12 of 17 SEC Filing

CUSIP No.
05366U100
Page 14 of 20 Pages
(8)           Flynn
Number of shares:
2,236,700 (comprised of shares held by Deerfield Special Situations Fund, Deerfield Partners, Deerfield International Master Fund and Deerfield Private Design Fund III)
Percentage of shares:    9.99%
(b)
(1)           Deerfield Mgmt
Sole power to vote or direct the vote:  0
Shared power to vote or direct the vote:   613,611
Sole power to dispose or to direct the disposition:  0
Shared power to dispose or direct the disposition:   613,611
(2)           Deerfield Management
Sole power to vote or direct the vote:  0
Shared power to vote or direct the vote:  2,236,700
Sole power to dispose or to direct the disposition:  0
Shared power to dispose or direct the disposition:  2,236,700
(3)           Deerfield Special Situations Fund
Sole power to vote or direct the vote:  0
Shared power to vote or direct the vote:  413,611
Sole power to dispose or to direct the disposition:  0
Shared power to dispose or direct the disposition:  413,611
 
 (4)           Deerfield Private Design Fund III
Sole power to vote or direct the vote:  0
Shared power to vote or direct the vote:  1,623,089
Sole power to dispose or to direct the disposition:  0
Shared power to dispose or direct the disposition:  1,623,089
(5)           Deerfield Partners
Sole power to vote or direct the vote:  0
Shared power to vote or direct the vote:  88,000
Sole power to dispose or to direct the disposition:  0
Shared power to dispose or direct the disposition:  88,000
(6)           Deerfield International Master Fund
Sole power to vote or direct the vote:  0
Shared power to vote or direct the vote:  112,000
Sole power to dispose or to direct the disposition:  0
Shared power to dispose or direct the disposition:  112,000

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Page 13 of 17 SEC Filing

CUSIP No.
05366U100
Page 15 of 20 Pages
(7)           Deerfield Mgmt III
Sole power to vote or direct the vote:  0
Shared power to vote or direct the vote:  1,623,089
Sole power to dispose or to direct the disposition:  0
Shared power to dispose or direct the disposition:  1,623,089
(8)           Flynn
Sole power to vote or direct the vote:  0
Shared power to vote or direct the vote:  2,236,700
Sole power to dispose or to direct the disposition:  0
Shared power to dispose or direct the disposition:  2,236,700
Flynn is the sole member of the general partner of each of Deerfield Mgmt, Deerfield Mgmt III and Deerfield Management.  Deerfield Mgmt is the general partner, and Deerfield Management is the investment advisor, of Deerfield Special Situations Fund, Deerfield Partners and Deerfield International Master Fund.  Deerfield Mgmt III is the general partner, and Deerfield Management is the investment advisor, of Deerfield Private Design Fund III.
(c)  On February 17, 2016, in connection with the closing of the Company’s initial public offering, all shares of Class B-1 Preferred Stock, Class C Preferred Stock and Class D Preferred Stock were automatically converted into shares of Common Stock on a basis of 1 share of Common Stock for 1 share of Preferred Stock (after giving effect to a 1.38-for-1 forward stock split of the Preferred Stock effected by the Company on February 1, 2016). The number of shares of Common Stock acquired by the Reporting Persons upon such conversion is:
Deerfield Private Design Fund III
1,368,385
 
Deerfield Special Situations Fund
117,998
 
In addition, in connection with the Company’s initial public offering, Deerfield Special Situations Fund, Deerfield Private Design Fund III, Deerfield Partners and Deerfield International Master Fund acquired, for $20.00 per share, 163,702, 122,793, 88,000 and 112,000 shares, respectively.
Item 6.
Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.
Pursuant to the terms of the Investors’ Rights Agreement, holders of such securities at the time of execution of the agreement (including Deerfield Special Situations Fund and Deerfield Private Design Fund III) are entitled to rights with respect to the registration of their Common Stock under the Securities Act of 1933, as amended.
As an employee of Deerfield Management, all grants received by Mr. Leff as a director of the Company are for the benefit of Deerfield Management.  In this regard, on February 10, 2016 Mr. Leff received stock options for the purchase of an aggregate of 26,496 shares of Common Stock, which grants are held for the benefit of Deerfield Management.

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Page 14 of 17 SEC Filing

CUSIP No.
05366U100
Page 16 of 20 Pages
Item 7.
Material to be Filed as Exhibits.
Exhibit 99.1
Joint Filing Agreement dated as of February 19, 2016 by and among the Reporting Persons.*
Exhibit 99.2
Power of Attorney (incorporated by reference to Exhibit 24 to the Form 3 with regard to Editas Medicine, Inc. filed with the Securities and Exchange Commission on February 2, 2016 by Deerfield Mgmt, L.P., Deerfield Mgmt III, L.P., Deerfield Management Company, L.P., Deerfield Special Situations Fund, L.P., Deerfield Partners, L.P., Deerfield Private Design Fund, L.P., Deerfield Private Design International, L.P., Deerfield PDI Financing, L.P., Deerfield PDI Financing II, L.P., Deerfield Private Design Fund II, L.P., Deerfield Private Design International II, L.P., Deerfield International Master Fund, L.P., Deerfield Healthcare Innovations Fund, L.P., Deerfield Mgmt HIF, L.P., Breaking Stick Holdings, LLC, Deerfield Private Design Fund III, L.P. and James E. Flynn.
 
* Filed herewith.

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Page 15 of 17 SEC Filing

CUSIP No.
05366U100
Page 17 of 20 Pages
SIGNATURE
After reasonable inquiry and to the best of their knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.
Dated:  February 19, 2016
DEERFIELD MGMT, L.P.
 
By:  J.E. Flynn Capital, LLC, General Partner
 
By: /s/ Jonathan Isler
Name:  Jonathan Isler
Title:    Attorney-in-Fact
 
 
 
DEERFIELD MGMT III, L.P.
By: J.E. Flynn Capital III, LLC, General Partner
 
By: /s/ Jonathan Isler
Name:  Jonathan Isler
Title:    Attorney-in-Fact

 

 
 
DEERFIELD SPECIAL SITUATIONS FUND, L.P.
 
By:  Deerfield Mgmt, L.P., General Partner
By:  J.E. Flynn Capital, LLC, General Partner
 
By: /s/ Jonathan Isler
Name:  Jonathan Isler
Title:    Attorney-in-Fact

 

 
 
DEERFIELD PRIVATE DESIGN FUND III, L.P.
By: Deerfield Mgmt III, L.P., General Partner
By: J.E. Flynn Capital III, LLC, General Partner
 
By: /s/ Jonathan Isler
Name:  Jonathan Isler
Title:    Attorney-in-Fact

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Page 16 of 17 SEC Filing

CUSIP No.
05366U100
Page 18 of 20 Pages
 
DEERFIELD INTERNATIONAL MASTER FUND, L.P.
By: Deerfield Mgmt, L.P., General Partner
By: J.E. Flynn Capital, LLC, General Partner
 
By: /s/ Jonathan Isler
Name:  Jonathan Isler
Title:    Attorney-in-Fact

 

 
DEERFIELD PARTNERS, L.P.
By: Deerfield Mgmt, L.P., General Partner
By: J.E. Flynn Capital, LLC, General Partner
 
By: /s/ Jonathan Isler
Name:  Jonathan Isler
Title:    Attorney-in-Fact

 

 
DEERFIELD MANAGEMENT COMPANY, L.P.
 
By:  Flynn Management LLC, General Partner
 
By: /s/ Jonathan Isler
Name:  Jonathan Isler
Title:    Attorney-in-Fact

 

JAMES E. FLYNN
 
/s/ Jonathan Isler
Jonathan Isler, Attorney-in-Fact

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Page 17 of 17 SEC Filing

CUSIP No.
05366U100
Page 19 of 20 Pages
Schedule A
General Partner of Deerfield Mgmt, L.P.
The general partner of Deerfield Mgmt is J.E. Flynn Capital, LLC.  The address of the principal business and/or principal office of Deerfield Mgmt and J.E. Flynn Capital, LLC is 780 Third Avenue, 37th Floor, New York, New York 10017.
General Partner of Deerfield Special Situations Fund, L.P.,
Deerfield Partners, L.P. and Deerfield International Master Fund, L.P.
The general partner of Deerfield Special Situations Fund, Deerfield Partners and Deerfield International Master Fund is Deerfield Mgmt.  The address of the principal business and/or principal office of Deerfield Mgmt, Deerfield Special Situations Fund, Deerfield Partners and Deerfield International Master Fund is 780 Third Avenue, 37th Floor, New York, New York 10017.
General Partner of Deerfield Mgmt III, L.P.
The general partner of Deerfield Mgmt III is J.E. Flynn Capital III, LLC.  The address of the principal business and/or principal office of Deerfield Mgmt III and J.E. Flynn Capital III, LLC is 780 Third Avenue, 37th Floor, New York, New York 10017.
General Partner of Deerfield Private Design Fund III, L.P.
The general partner of Deerfield Private Design Fund III is Deerfield Mgmt III.  The address of the principal business and/or principal office of Deerfield Mgmt III and Deerfield Private Design Fund III is 780 Third Avenue, 37th Floor, New York, New York 10017.
General Partner of Deerfield Management Company, L.P.
The general partner of Deerfield Management is Flynn Management LLC.  The address of the principal business and/or principal office of Deerfield Management and Flynn Management LLC is 780 Third Avenue, 37th Floor, New York, New York 10017.

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