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- -------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION -----------------------------
FORM 3 WASHINGTON, D.C. 20549 OMB APPROVAL
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INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES OMB Number: 3235-0104
Expires: September 30, 1998
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Estimated average burden
Section 17(a) of the Public Utility Holding Company Act of 1935 or hours per response .... 0.5
(Print or Type Responses) Section 30(f) of the Investment Company Act of 1940 -----------------------------
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1. Name and Address of Reporting Person* 2. Date of Event Re- 4. Issuer Name AND Ticker or Trading Symbol
quiring Statement
VANG MEI VOON (Month/Day/Year) CUMETRIX DATA SYSTEMS CORP. (Nasdaq "CDSC")
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(Last) (First) (Middle) 3/31/98 5. Relationship of Reporting Person(s) 6. If Amendment, Date
----------------------- to Issuer (Check all applicable) of Original
3. IRS or Social Se- X Director 10% Owner (Month/Day/Year)
curity Number of ---- ----
20110 E. Roundtree Court Reporting Person Officer (give Other (specify ---------------------
- ------------------------------------------------- (Voluntary) X title below) below) 7. Individual or
(Street) ---- ---- Joint/Group Filing
(Check Applicable
Sectretary and Treasurer Line)
--------------------------- Form filed by One
X Reporting Person
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Form filed by
More than One
Reporting Person
Walnut, CA 91789 ---
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(City) (State) (Zip) TABLE I -- NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED
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1. Title of Security 2. Amount of Securities 3. Ownership 4. Nature of Indirect Beneficial
(Instr. 4) Beneficially Owned Form: Direct Ownership (Instr. 5)
(Instr. 4) (D) or Indirect
(I) (Instr. 5)
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Common Stock, No Par Value 1,096,059 D
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Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Over)
* If the form is filed by more than one reporting person, SEE Instruction 5(b)(v). SEC 1473 (7-97)
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.
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FORM 3 (CONTINUED) TABLE II - DERIVATIVE SECURITIES BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE
SECURITIES)
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1. Title of Derivative Security 2. Date Exer- 3. Title and Amount of Securities 4. Conver- 5. Owner- 6. Nature of Indirect
(Instr. 4) cisable and Underlying Derivative Security sion or ship Beneficial
Expiration (Instr. 4) Exercise Form of Ownership
Date Price of Deriv- (Instr. 5)
(Month/Day/ Deri- ative
Year) vative Security:
-------------------------------------------------- Security Direct
Amount (D) or
Date Expir- of Indirect
Exer- ation Title Number (I)
cisable Date of
Shares (Instr. 5)
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Options (Rights to Purchase) * 7/1/07 Common Stock 27,402 $2.70 D
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Explanation of Responses:
* One quarter (1/4) of the options vested and became exercisable on July 1, 1997. The remaining three quarters (3/4) vested
and became exercisable or shall vest and become exercisable on the first day of each calendar month for forty seven (47) months
after July 1, 1997 in forty seven (47) equal installments of one-forty eighth (1/48) of the remaining shares rounded down to the
nearest whole share, and all remaining shares shall vest on July 1, 2001.
/s/ MEI YANG 4/7/98
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**Intentional misstatements or omissions of facts constitute Federal **Signature of Reporting Person Date
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.
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 Number. Page 2
SEC 1473 (7-97)
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