Filing Details

 

	UNITED STATES
	SECURITIES AND EXCHANGE COMMISSION
	Washington, D.C. 20549
	SCHEDULE 13D

 

(Rule 13d-102)

 

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO RULE 13d-l(a) AND AMENDMENTS THERETO FILED PURSUANT

TO RULE 13d-2(a)

 

(Amendment No.     )*

 

(Name of Issuer)

 

(Title of Class of Securities)

 

(CUSIP Number)

 

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

 

(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

 

* 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.

 

 

 

(1) This Schedule 13D is filed by Versant Ventures III, LLC (VVIII-LLC), Versant Venture Capital III, L.P. (VVC-III), Versant Side Fund III, L.P. (VSF-III), Brian G. Atwood (Atwood), Bradley J. Bolzon (Bolzon), Samuel D. Colella (Colella), Ross A. Jaffe (Jaffe), William J. Link (Link), Barbara N. Lubash (Lubash), Donald B. Milder (Milder), Rebecca B. Robertson (Robertson) ,Charles M. Warden and Robin L. Praeger (Praeger and, with VVIII-LLC, VVC-III, VSF-III, Atwood, Bolzon, Colella, Jaffe, Link, Lubash, Milder, Robertson and Warden, collectively, the Reporting Persons).  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) These shares are held by VVC-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

2

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) These shares are held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

3

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

 (3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

4

 

 

(1)           This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2)           Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3)           This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

5

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

6

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

7

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

8

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

9

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein..

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

10

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

11

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

12

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

13

 

 

(1) This Schedule 13D is filed by the Reporting Persons.  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

(2) Includes (i) 1,931,094 shares held by VVC-III; and (ii) 11,408 shares held by VSF-III.  Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(3) This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

14

 

CUSIP No. 71723F103

13D

 

Explanatory Note:      This 13D relates to shares of Common Stock, $0.0001 par value per share (Common Stock), of PhaseRX, Inc., a Delaware corporation (the Issuer or PhaseRX).

 

Item 1. Security and Issuer

 

The class of equity security to which this statement on Schedule 13D relates is the common stock, par value $0.0001 per share (the Common Stock) of PhaseRX, Inc., a corporation organized under the laws of the state of Delaware (the Company). The address of the principal executive offices of the Company is 410 W. Harrison Street, Suite 300, Seattle, Washington 98119. Information given in response to each item shall be deemed incorporated by reference in all other items, as applicable.

 

Item 2. Identity and Background

 

(a)           This Schedule 13D is filed by Versant Ventures III, LLC (VVIII-LLC), Versant Venture Capital III, L.P. (VVC-III), Versant Side Fund III, L.P. (VSF-III), Brian G. Atwood (Atwood), Bradley J. Bolzon (Bolzon), Samuel D. Colella (Colella), Ross A. Jaffe (Jaffe), William J. Link (Link), Barbara N. Lubash (Lubash), Donald B. Milder (Milder), Rebecca B. Robertson (Robertson) ,Charles M. Warden and Robin L. Praeger (Praeger and, with VVIII-LLC, VVC-III, VSF-III, Atwood, Bolzon, Colella, Jaffe, Link, Lubash, Milder, Robertson and Warden, collectively, the Reporting Persons).  The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13D.

 

(b)           The principal business and principal business office of the Reporting Persons is Versant Ventures, One Sansome Street, Suite 3630, San Francisco, CA 94104.

 

(c)           The principal business of the Reporting Persons is venture capital investments. Each of the individuals serves as a managing director of VVIII-LLC, which is the general partner of VVC-III and VSF-III.

 

(d)           During the last five years, none of the Reporting Persons has been has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

 

(e)           During the last five years, none of the Reporting Persons was a party to a civil proceeding of a judicial of administrative body of competent jurisdiction or were 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.

 

(f)            Each of VVIII-LLC, VVC-III and VSF-III are incorporated in the state of Delaware and each of the individuals, except for Bolzon, is a citizen of the United States.  Bolzon is a citizen of Canada.

 

Item 3. Source and Amount of Funds or Other Consideration

 

VVC-III and VSF-III acquired 6,037,122 of the Issuers Series A Preferred Stock, convertible promissory notes and Series A Warrants in the aggregate principal amount of $4,325,000, at various times between February 2010 and October 2015 and 11,731 shares of Common Stock on February 19, 2015 upon exercise of warrants.  Such shares of Preferred Stock automatically converted to shares of Common Stock on a one-for-0.12559876 basis upon the closing of the Issuers initial public offering without payment of consideration.  The promissory notes and related accrued interest converted into Series A Preferred Stock and then into 774,476 shares of Common Stock upon the closing of the Issuers initial public offering without payment of consideration.  In addition, the Reporting Persons acquired 56,083 shares of Common Stock upon exercise of Series A Warrants immediately prior to the pricing of the Issuers initial public offering at an exercise price of $0.01.  On May 17, 2016, the Reporting Persons acquired 600,000 shares of Common Stock in the Issuers initial public offering at the price of $5.00 per share.

 

15

 

The source of funds for the purchases of the Issuers securities was working capital of VVC-III and VSF-III.

 

Item 4. Purpose of Transaction

 

The Reporting Persons purchased the aforementioned securities for investment purposes with the aim of increasing the value of their investments and the Issuer.

 

Except as set forth in Item 6 below, none of the Reporting Persons have a present plan or proposal that relates to or would result in any of the actions specified in clauses (a) through (j) of Item 4 of Schedule 13D. However, each of the Reporting Persons reserves the right to propose or participate in future transactions which may result in one or more of such actions, including but not limited to, an extraordinary corporate transaction, such as a merger, reorganization or liquidation, sale of a material amount of assets of the Issuer or its subsidiaries, or other transactions which might have the effect of causing the Common Stock to become eligible for termination of registration under Section 12(g) of the Securities Exchange Act of 1934 (the Act). The Reporting Persons also retain the right to change their investment intent at any time, to acquire additional shares of Common Stock or other securities of the Issuer from time to time, or to sell or otherwise dispose of all or part of the Common Stock beneficially owned by them (or any shares of Common Stock into which such securities are converted) in any manner permitted by law. The Reporting Persons may engage from time to time in ordinary course transactions with financial institutions with respect to the securities described herein.

 

Item 5. Interest in Securities of the Issuer

 

The following information with respect to the ownership of the Common Stock of the Issuer by the persons filing this statement on Schedule 13D is provided as of May 23, 2016:

 

Reporting Persons		Shares Held Directly		Sole Voting Power		Shared Voting Power(1)		Sole Dispositive Power		Shared Dispositive Power (1)		Beneficial Ownership		Percentage of Class (2)
VVC-III		1,931,094		1,931,094		0		1,931,094		0		1,931,094		16.7	%
VSF-III		11,408		11,408		0		11,408		0		11,408		0.1	%
VVIII-LLC		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%
Atwood		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%
Bolzon		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%
Colella		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%
Jaffe		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%
Link		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%
Lubash		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%
Milder		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%
Robertson		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%
Warden		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%
Praeger		0		0		1,942,502		0		1,942,502		1,942,502		16.8	%

 

(1)    Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger, as managing directors of VVIII-LLC, share voting and investment authority over the shares held by VVC-III and VSF-III. Each of Atwood, Jaffe, Colella, Milder, Robertson, Bolzon, Link, Warden, Lubash and Praeger disclaim beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.

(2)    This calculation is based on 11,583,234 shares of Common Stock, par value $0.0001 per share, outstanding as of May 23, 2016 upon the closing of the Issuers initial public offering, as reported in the Issuers prospectus dated May 17, 2016 (the Final Prospectus) filed with the Securities and Exchange Commission (the SEC) on May 23, 2016 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended (the Securities Act).  The number of shares of Common Stock outstanding does not give effect to the underwriters option to purchase up to an additional 555,000 shares of Common Stock within 30 days from the date of the Final Prospectus.

 

16

 

(c)     Except as set forth herein, none of the Reporting Persons has effected any transactions in shares of the Issuers Common Stock during the last 60 days.

 

(d)     No other person is known to have the right to receive or the power to direct the receipt of dividends from, or any proceeds from the sale of, the shares of Common Stock beneficially owned by any of the Reporting Persons.

 

(e)     Not applicable.

 

Item 7. Materials to be Filed as Exhibits.

 

Exhibit 1:

Joint Filing Agreement as required by Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended

 

17

 

SIGNATURE

 

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

 

June 2, 2016

 

Versant Venture Capital III, L.P.

 

By: Versant Ventures III, LLC

Its:  General Partner

 

By:	/s/ Robin L. Praeger
	Robin L. Praeger, Managing Director

 

Versant Side Fund III, L.P.

 

By: Versant Ventures III, LLC

Its:  General Partner

 

By:	/s/ Robin L. Praeger
	Robin L. Praeger, Managing Director

 

Versant Ventures III, LLC

 

By:	/s/ Robin L. Praeger
	Robin L. Praeger, Managing Director

 

 

/s/ Robin L. Praeger as Attorney-in-fact
Brian G. Atwood

 

/s/ Robin L. Praeger as Attorney-in-fact
Bradley J. Bolzon

 

/s/ Robin L. Praeger as Attorney-in-fact
Samuel D. Colella

 

/s/ Robin L. Praeger as Attorney-in-fact
Ross A. Jaffe

 

/s/ Robin L. Praeger as Attorney-in-fact
William J. Link

 

/s/ Robin L. Praeger as Attorney-in-fact
Barbara N. Lubash

 

/s/ Robin L. Praeger as Attorney-in-fact
Donald B. Milder

 

/s/ Robin L. Praeger as Attorney-in-fact
Rebecca B. Robertson

 

/s/ Robin L. Praeger as Attorney-in-fact
Charles M. Warden

 

/s/ Robin L.Praeger
Robin L. Praeger

 

18

 

Exhibit 1

 

Joint Filing Agreement

 

The undersigned hereby agree that a single Schedule 13D (or any amendment thereto) relating to the Common Stock of PhaseRX, Inc. shall be filed on behalf of each of the undersigned and that this Agreement shall be filed as an exhibit to such Schedule 13D.

 

June 2, 2016

 

Versant Venture Capital III, L.P.

 

By: Versant Ventures III, LLC

Its:  General Partner

 

By:	/s/ Robin L. Praeger
	Robin L. Praeger, Managing Director

 

Versant Side Fund III, L.P.

 

By: Versant Ventures III, LLC

Its:  General Partner

 

By:	/s/ Robin L. Praeger
	Robin L. Praeger, Managing Director

 

Versant Ventures III, LLC

 

By:	/s/ Robin L. Praeger
	Robin L. Praeger, Managing Director

 

 

/s/ Robin L. Praeger as Attorney-in-fact
Brian G. Atwood

 

/s/ Robin L. Praeger as Attorney-in-fact
Bradley J. Bolzon

 

/s/ Robin L. Praeger as Attorney-in-fact
Samuel D. Colella

 

/s/ Robin L. Praeger as Attorney-in-fact
Ross A. Jaffe

 

/s/ Robin L. Praeger as Attorney-in-fact
William J. Link

 

/s/ Robin L. Praeger as Attorney-in-fact
Barbara N. Lubash

 

/s/ Robin L. Praeger as Attorney-in-fact
Donald B. Milder

 

/s/ Robin L. Praeger as Attorney-in-fact
Rebecca B. Robertson

 

/s/ Robin L. Praeger as Attorney-in-fact
Charles M. Warden

 

/s/ Robin L. Praeger
Robin L. Praeger

 

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