U.S. SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 4
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
Filed pursuant to Section 16(a) of the Securities Exchange Act of
1934, Section 17(a) of the Public Utility Act of 1935
or Section 30(f) of the Investment Company Act of 1940
( ) 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
Krollfeifer, Jr. H.
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(Last) (First) (Middle)
c/o Ultradata Systems Inc.
9375 Dielman Industrial Drive
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(Street)
St. Louis MO 63132
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(City) (State) (Zip)
2. ISSUER NAME AND TICKER OR TRADING SYMBOL
Ultradata Systems, Inc. - ULTR
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3. IRS OR SOCIAL SECURITY NUMBER OF REPORTING PERSON (Voluntary)
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4. STATEMENT FOR MONTH/YEAR
March, 2001
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5. IF AMENDMENT, DATE OF ORIGINAL (MONTH/YEAR)
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6. RELATIONSHIP OF REPORTING PERSON TO ISSUER
(CHECK ALL APPLICABLE)
( x ) Director ( ) 10% Owner
( ) Officer (give title below) ( ) Other (specify below)
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7. INDIVIDUAL OR JOINT/GROUP FILING (Check applicable line)
( x ) Form filed by one Reporting Person
( ) Form filed by more than one Reporting Person
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TABLE I
NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF
OR BENEFICIALLY OWNED
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4.Securities 5.Amount of 6.Owner- 7.Nature of
(A) Acquired Securities ship Indirect
3.Trans- (D) Disposed Owned at end Form Beneficial
action (Instr. 3,4 of Month Direct(D) Ownership
2.Trans- Code and 5) (Instr.3 Indirect (Instr.4)
1.Title of action (Instr.8) ----------------- and 4) (I)
Security date ------- Amount (A) Price (Instr.4)
(Instr.3) mm/dd/yy Code V (D)
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Common stock 3/28/01 P 5,000 A $.97 1/2 10,000 I *
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EXPLANATION OF RESPONSES: * Shares are owned by D&H Enterprises, Inc., of
which I am a principal.
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TABLE II
DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF OR BENEFICIALLY OWNED
(e.g. puts, calls, warrants, options or convertible securities)
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5.Number of
Dervative 6.Date 7.Title and 8.Price 9.Number 10.Owner- 11.Nature
Securities Exercisable Amount of of of ship of of
Acquired (A)and Underlying Derivative Derivative Derivative Indirect
or Disposed Expiration Securities Security Securities Security: Beneficial
1.Title of 2.Conversion 3.Transaction 4.Transaction of (D) Date (Instr. 3 (Instr. 5)BeneficiallyDirect (D) Ownership
Derivative of Exercise Date Code (Instr. 3,4 (mm/dd/yy) and 4) Owned at or (Instr. 4)
Security Price of (mm/dd/yy) (Instr.8) and 5) Date Expir- Title Amount End of Indirect
(Instr.3) Derivative (A) (D) Exer- ation or Month (I)
Security cisable Date Number (Instr. 4) (Instr. 4)
of shares
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April 5, 2001 /s/ H. Krollfeifer, Jr.
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Date Signature of Reporting Person
INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACTS CONSTITUTE
FEDERAL CRIMINAL VIOLATIONS. SEE 18 U.S.C. 1001 AND 15 U.S.C.
78FF(A).