+--------+                                    UNITED STATES
| FORM 5 |                         SECURITIES AND EXCHANGE COMMISSION
+--------+                                Washington, D.C. 20549

[_] Check box if
    no longer subject     ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
    to Section 16.
    Form 4 or Form 5       Filed pursuant to Section 16(a) of the Securities
    obligations may           Exchange Act of 1934, Section 17(a) of the
    continue. See            Public Utility Holding Company Act of 1935 or
    Instructions 1(b).     Section 30(f) of the Investment Company Act of 1940

- --------------------------------------------------------------------------------
1.  Name and Address of Reporting Person

      Simpson                      Murray                             S.
    ----------------------------------------------------------------------------
        (Last)                      (First)                        (Middle)

      1300 Post Oak Blvd., Ste. 1220
    ----------------------------------------------------------------------------
                                   (Street)

      Houston                         TX                             77056
    ----------------------------------------------------------------------------
        (City)                      (State)                           (Zip)

    ----------------------------------------------------------------------------

2.  Issuer Name and Ticker or Trading Symbol

      U.S. Concrete, Inc. (RMIX)
    ----------------------------------------------------------------------------

3.  I.R.S. or Social Security Number of Reporting Person

    ----------------------------------------------------------------------------

4.  Statement for Month/Year

      January/2000
    ----------------------------------------------------------------------------

5.  If Amendment, Date of Original (Month/Year)

      February/2000
    ----------------------------------------------------------------------------

6.  Relationship of Reporting Person to Issuer (Check all applicable)

    [_] 10% Owner
    [X] Director
    [_] Officer  (give title below)
    [_] Other  (specify below)

7.  Individual or Joint Group Filing (check applicable line)

    [X] Form Filed by One Reporting Person

    [_] Form Filed by More than One Reporting Person

- -------------------------------------------------------------------------------
Table I--Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

- ------------------------------------------------------------------------------------------------------------------------------------ 1. Title of Security 2. Trans- 3. Trans- 4. Securities Acquired (A) 5. Amount of 6. Owner- 7. Nature (Instr. 3) action action or Disposed of (D) Securities ship of In- Date Code (Instr. 3, 4 and 5) Beneficially Form: direct (Month/ (Instr. 3) ----------------------- Owned at the Direct Bene- Day/ --------- end of (D) or ficial Year) Code V Month Indirect Owner- (A) or (Instr. 3 and 4) (I) ship Amount (D) Price (Instr. 4) (Instr. 4) - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Print or Type Responses) Form 5 (continued) Table II--Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
- ----------------------------------------------------------------------------------------------------------------------------- 1. Title of Derivative 2. Conver- 3. Trans- 4. Transac- 5. Number of Deriv- Security (Instr. 3) sion or action tion Code ative Securities Exercise Date (Instr. 8) Acquired (A) or Price of (Month/ ---------- Disposed of (D) Deriv- Day/ Code V (Instr. 3, 4 and 5) ative Year) Security --------------------------- (A) (D) - ----------------------------------------------------------------------------------------------------------------------------- Stock Options (right to buy) 8.00 5/28/99 A 10,000 - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------- - -----------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------------------ 6. Date Exer- 7. Title and Amount of 8. Price 9. Number 10. Owner- 11. Na- cisable and Underlying Securities of of Deriv- ship ture Expiration (Instr. 3 and 4) Deriv- ative of De- of In- Date ative Secur- rivative direct (Month/Day/ Secur- ities Secu- Bene- Year) ity Bene- rity: ficial (Instr. 5) ficially Direct Owner- ------------------------------------------------ Owned (D) or ship Date Expira- Amount or at End Indi- (Instr. 4) Exer- tion Title Number of of Month rect (I) cisable Date Shares (Instr. 4) (Instr. 4) - ------------------------------------------------------------------------------------------------------------------------------------ 11/28/99 5/28/2004 Common Stock 10,000 10,000 D - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------
Explanation of Responses: /s/ Murray S. Simpson 6/19/00 -------------------------------- ----------------- **Signature of Reporting Person Date ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure.