STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
FORM 4
1. Name and Address of Reporting Person:
Peterson, Mark
C/O Ultradata Systems, Inc.
9375 Dielman Industrial Dr.
St. Louis, MO 63132
2. Issuer Name and Ticker Trading Symbol:
Ultradata Systems, Inc. - ULTR
3. IRS or Social Security Number of Reporting Person:
###-##-####
4. Statement for Month/Year:
April, 1997
5. If Amendment, Date of Original (Month/Year):
N/A
6. Relationship of Reporting Person to Issuer:
(Check all applicable)
X Director 10% Owner
X Officer: (Vice President) Other
Table I - Non-Derrivative Securities Acquired, Disposed of, or Beneficially
Owned
Title Trans- Trans- Securities Amount of Ownership Nature of
of action action Acquired (A) Securities Form: Indirect
Security Date Code Disposed of(D) Beneficially Direct(D) Benefic-
Owned at Indirect(I) ial
Amount Code Price End of Month Owners-
ship
N/A
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
( e.g. puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security:
Incentive Stock Option
2. Conversion or Exercise Price of Derivative Security:
$7.39
3. Transaction Date (Month-Day-Year):
December 14, 1996
4. Transaction Code:
A4
5. Number of Derivative Securities Acquired (A) or Disposed (D):
7,500 (A)
6. Date Exercisable: Immediate
Expiration Date: December 14, 2001
7. Title and Amount of Underlying Security:
Common Stock 7,500 shares
8. Price of Derivative Security:
N/A
9. Number of Derivative Securities Owned at End-of-Month:
29,000
10.Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(D)
11.Nature of Indirect Beneficial Ownership:
N/A
Signed: Mark Peterson
Vice President - Engineering
April 16, 1997
