Filing Details

CUSIP No. 641252101

Schedule 13G/A

Page 2 of 5 Pages

1.

NAMES OF REPORTING PERSONS


Charles A. Henriques

2.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(see instructions)
(a)    ¨
(b)    ¨

3.

SEC USE ONLY
 

4.

CITIZENSHIP OR PLACE OF ORGANIZATION
 
United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5.

SOLE VOTING POWER
 
4,966,649

6.

SHARED VOTING POWER
 
0

7.

SOLE DISPOSITIVE POWER
 
4,966,649

8.

SHARED DISPOSITIVE POWER
 
0

9.

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 

4,966,649

10.

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(see instructions)    ¨

11.

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 

15.0%

12.

TYPE OF REPORTING PERSON (see instructions) 

CO (Business Development Company)

CUSIP No. 641252101

Schedule 13G/A

Page 3 of 5 Pages

(a)

Name of Issuer
NeurogesX, Inc.

(b)

Address of Issuers Principal Executive Offices

999 Baker Way, Suite 200, San Mateo, California 94404

(a)

Name of Person Filing
Charles A. Henriques

(b)

Address of the Principal Office or, if none, residence
142 E. Main Street Clinton, CT 06413

(c)

Citizenship
United States of America

(d)

Title of Class of Securities
Common Stock, $0.001 par value

(e)

CUSIP Number

(a)

¨

Broker or dealer registered under section 15 of the Act;

(b)

¨

Bank as defined in section 3(a)(6) of the Act;

(c)

¨

Insurance company as defined in section 3(a)(19) of the Act;

(d)

¨

Investment company registered under section 8 of the Investment Company Act of 1940;

(e)

¨

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f)

¨

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g)

¨

A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

(h)

¨

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

¨

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940;

(j)

¨

A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);

(k)

¨

Group, in accordance with §240.13d-1(b)(1)(ii)(K).

If filing as a non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J), please specify the type of institution.

CUSIP No. 641252101

Schedule 13G/A

Page 4 of 5 Pages

(a)

Amount beneficially owned:  4,966,649

(b)

Percent of class:  15.0% based on outstanding shares reported on the issuer's 10-Q filed with the SEC for the period ended September 30, 2012.

(c)

Number of shares as to which the person has:  

(i)

Sole power to vote or to direct the vote  4,966,649

(ii)

Shared power to vote or to direct the vote  0

(iii)

Sole power to dispose or to direct the disposition of  4,966,649

(iv)

Shared power to dispose or to direct the disposition of  0

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held for the purpose of or wit the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

CUSIP No. 641252 101

Schedule 13G/A

Page 5 of 5 Pages