FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
AMERISTOCK CORP
(Last) (First) (Middle)
127 DEVIN ROAD
(Street)
MORAGA CA 94556
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
GIGABEAM CORP [ GGBM ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/19/2004
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 10/19/2004 X 40,000 A $0.001 40,000 D
Common Stock 10/19/2004 X 36,000 A $0.001 76,000 D
Common Stock 10/19/2004 X 8,000 A $0.001 84,000 D
Common Stock 10/19/2004 X 8,000 A $0.001 92,000 D
Common Stock 10/19/2004 X 8,000 A $0.001 100,000 D
$2.5 million principal amount of convertible Notes 10/19/2004 C 495,050 A $5.05 595,050(1) D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Warrants (right to buy) $0.001 10/19/2004 X 40,000 10/19/2004 01/26/2009 Common Stock 40,000 (2) 0 D
Warrants (right to buy) $0.001 10/19/2004 X 36,000 10/19/2004 04/19/2009 Common Stock 36,000 (2) 0 D
Warrants (right to buy) $0.001 10/19/2004 X 8,000 10/19/2004 05/10/2009 Common Stock 8,000 (2) 0 D
Warrants (right to buy) $0.001 10/19/2004 X 8,000 10/19/2004 06/10/2009 Common Stock 8,000 (2) 0 D
Warrants (right to buy) $0.001 10/19/2004 X 8,000 10/19/2004 07/10/2009 Common Stock 8,000 (2) 0 D
$2.5 million principal amount of Convertible Notes $5.05 10/19/2004 C 495,050 10/19/2004 (3) Common Stock 495,050 (2) 0 D
1. Name and Address of Reporting Person*
AMERISTOCK CORP
(Last) (First) (Middle)
127 DEVIN ROAD
(Street)
MORAGA CA 94556
(City) (State) (Zip)
1. Name and Address of Reporting Person*
Gerber Nicholas Daniel
(Last) (First) (Middle)
127 DEVIN ROAD
(Street)
MORAGA CA 94556
(City) (State) (Zip)
1. Name and Address of Reporting Person*
Wainwright Holdings, Inc.
(Last) (First) (Middle)
103 FOULK ROAD
SUITE 202
(Street)
WILMINGTON DE 19803
(City) (State) (Zip)
Explanation of Responses:
1. These securities are owned solely by Ameristock Corporation, which is a member of a "group" with Wainwright Holdings, Inc. and Nicholas D. Gerber for purposes of Section 13(d) of the Exchange Act.
2. Not applicable.
3. The $2.5 million principal amount of the convertible notes automatically converted into shares of common stock of GigaBeam Corporation upon the completion of its initial public offering.
Remarks:
Exhibit List: Exhibit 99 - Joint Filer Information
Nicholas D. Gerber 10/20/2004
** Signature of Reporting Person 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).
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