Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. /------------------------------/ / OMB APPROVAL / /------------------------------/ / OMB Number: 3235-0287 / / Expires: December 31, 2001 / / Estimated average burden / / hours per response...... 0.5 / /------------------------------/ +--------+ | FORM 4 | UNITED STATES SECURITIES AND EXCHANGE COMMISSION +--------+ WASHINGTON, D.C. 20549 [_] Check this box if no longer subject 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 Instruction 1(b). Section 30(f) of the Investment Company Act of 1940 (Print or Type Responses) -------------------------------------------------------------------------------- 1. Name and Address of Reporting Person* Foster, Vincent D. -------------------------------------------------------------------------------- (Last) (First) (Middle) 1300 Post Oak Blvd., Suite 800 -------------------------------------------------------------------------------- (Street) Houston Texas 77056 -------------------------------------------------------------------------------- (City) (State) (Zip) 2. Issuer Name and Ticker or Trading Symbol Quanta Services, Inc.; Symbol "PWR" ----------------------------------- 3. I.R.S. Identification Number of Reporting Person, if an entity (voluntary) -------------- 4. Statement for Month/Year 12/01 --------------------------------------------------- 5. If Amendment, Date of Original (Month/Year) 01/09/02 --------------------------------- 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director Officer 10% Owner Other --- --- (give title below) --- ---(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 2. Trans- 3. Trans- 4. Securities Acquired (A) 5. Amount of 6. Owner- 7. Nature of action action or Disposed of (D) Securities ship of In- Security Date Code (Instr. 3, 4 and 5) Beneficially Form: direct (Instr. 3) (Month/ (Instr. 8) Owned at Direct Bene- Day/ ----------------------------------------------- End of (D) or ficial Year) Month Indirect Owner- Code V Amount (A) or Price (Instr. 3 and 4) (I) ship (D) (Instr. 4) (Instr. 4) ------------------------------------------------------------------------------------------------------------------------------------ Main Street Limited Vote Common Equity Ventures Stock 12/12/01 J(1) 15,564 D 15.70 0 I II, L.P.(2) ------------------------------------------------------------------------------------------------------------------------------------ Limited Vote Common Stock 191,698 D ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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/ (Instr. 3, 4, and 5) ative Year) Security --------------------------------------------------- Code V (A) (D) ----------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------- Table II--Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) ------------------------------------------------------------------------------------------------------------------------------------ 6. Date Exer- 7. Title and Amount of 8. Price 9. Number 10. Owner- 11. Nature cisable and Underlying Securities of of Deriv- ship of In- Expiration (Instr. 3 and 4) Deriv- ative Form direct Date ative Secur- of De- Benefi- (Month/Day/ Secur- ities rivative cial Year) ity Bene- Security Owner- (Instr. ficially Direct ship -------------------------------------------- 5) Owned (D) or (Instr. Date Expira- Amount or at End Indirect 4) Exer- tion Title Number of of Month (I) cisable Date Shares (Instr. 4) (Instr. 4) ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ Explanation of Responses: (1) Exchange for redemption of limited partnership interests in Main Street Equity Ventures II, L.P. (2) The reporting person is Managing Director of Main Street Equity Ventures II, L.P. /s/ Vincent D. Foster 01/14/02 ------------------------------- ----------------- Vincent D. Foster Date Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4(b)(v). ** 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 is insufficient, see Instruction 6 for procedure. SEC 1474(3-99)