FORM 4
U.S. 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,
Section 17(a) of the Public Utility Holding Company Act of 1935 or
Section 30(f) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
PURSELL ALAN WADE
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(Last) (First) (Middle)
5626 ST. PAUL
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(Street)
BELLAIRE TX 77401
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(City) (State) (Zip)
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2. Issuer Name and Ticker or Trading Symbol
CDIS
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3. IRS or Social Security Number of Reporting Person (Voluntary)
###-##-####
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4. Statement for Month/Year
8/99
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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)
[ ] Director [ ] 10% Owner
[X] Officer (give title below) [ ] Other (specify below)
Vice President- Finance
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TABLE I--Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
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1. 2. 3. 4. 5. 6. 7.
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Amount of Owner-
Securities ship
Trans- Trans- Securities Acquired (A) Beneficially Form:
action action or Disposed of (D) Owned at Direct Nature of
Date Code (Instr. 3, 4 and 5) End of (D) or Indirect
Title of (Month/ (Instr. 8) ---------------------------- Month Indirect Beneficial
Security Day/ ---------- Amount (A) or Price (Instr. (I) Ownership
(Instr. 3) Year) Code V (D) 3 and 4) (Instr. 4) (Instr. 4)
- --------------------- -------- ---- ---- ----------- ------ --------- ----------- ---------- ----------
CDIS Common Stock 08/24/99 S 3,000 D 37 5/8 2,100 D
Reminder: Report on a separate line for each class of securities beneficially
owned directly or indirectly.
(Print or Type Responses)
Page 2
FORM 4 (continued)
TABLE II--Derivative Securities Acquired, Disposed of, or Beneficially Owned
(E.G. puts, calls, warrants, options, convertible securities)
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1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
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Title and Ownership
Number of Date Exer- Amount of Form of
Derivative cisable and Underlying Number of Deriv-
Securities Expiration Securities Price Derivative ative
Conver- Trans- Acquired (A) Date (Month/ (Instr. 3 of Securities Security:
sion or Trans- action or Disposed Day/Year) and 4) Deriv- Benefi- Direct
Exercise action Code of (D) -------------- -------------- ative cially (D) or Nature of
Title of Price of Date (Instr. (Instr. 3, Date Amount Secur- Owned at Indirect Indirect
Derivative Deriv- (Month/ 8) 4 and 5) Exer- Expir- or Num- ity End of (I) Beneficial
Security ative Day/ -------- ---------- cis- ation ber of (Instr. Month (Instr. Ownership
(Instr. 3) Security Year) Code V (A) (D) able Date Title Shares 5) (Instr. 4) 4) (Instr. 4)
- ---------- -------- -------- ---- --- ---- ---- -------- ------- ----- ------ ------ ---------- -------- ----------
Option $9.50 08/24/99 3,000 5/98 5/02 Common 3,000 $9.50 32,000 D N/A
Stock shares
Explanation of Responses:
/s/ WADE PURSELL 9/10/99
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** Signature of Reporting Person Date
** 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 provided is insufficient, SEE Instruction 6 for procedure.