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FORM 3 OMB APPROVAL
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OMB Number: 3235-014
Expires: September 30, 1998
Estimated average burden
hours per response ...... 0.6
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U.S. SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
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
(Print or Type Responses)
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<S> <C> <C> <C>
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1. Name and Address of Reporting Person* 2. Date of Event Requiring 4. Issuer Name and Ticker or Trading Symbol
Carosella, John H. Statement JMAR Technologies, Inc.
---------------------------------------- (Month/Day/Year) NMS:JMAR
(Last) (First) (Middle) 5/22/00
3956 Sorrento Valley Blvd. ---------------------------- -----------------------------------------------------------
---------------------------------------- 3. IRS or Social Security 5. Relationship of Reporting 6. If Amendment, Date
(Street) Number of Reporting Person(s) to Issuer of Original
San Diego CA 92121 Person (Voluntary) (Check all applicable) (Month/Day/Year)
-------------------------------------- Director 10% Owner
(City) (State) (Zip) ---------------------------- ----- ----- -----------------------
X Officer Other 7. Individual or Joint/
----- (give ----- (specify Group Filing (Check
title below) below) Applicable Line)
X Form filed by
Senior Vice President ----- One Reporting
---------------------------------- Person
Form filed by
----- More than One
Reporting Person
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TABLE 1 -- NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED
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1. Title of Security 2. Amount of Securities 3. Ownership Form: 4. Nature of Indirect
(Instr. 4) Beneficially Owned Direct (D) or Beneficial
(Instr. 4) Indirect (I) Ownership (Instr. 5)
(Instr. 5)
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Common Stock 18,700 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(7-96)
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FORM 3 (CONTINUED) TABLE II -- DERIVATIVE SECURITIES BENEFICIALLY OWNED
(E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES)
<S> <C> <C> <C> <C> <C>
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1. Title of Derivative Security 2. Date 3. Title and Amount of 4. Conver- 5. Owner- 6. Nature of Indirect
(Instr. 4) Exercisable and Securities Underlying sion or ship Beneficial Ownership
Expiration Date Derivative Security Exercise Form of (Instr. 5)
(Month/Day/ (Instr. 4) Price of Deriv-
Year) Deriv- ative
------------------------------------------------- ative Security:
Security Direct
Date Expira- Amount or (D) or
Exercis- tion Title Number Indirect
able Date of Shares (I)
(Instr. 5)
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Options (Right to Buy) * 5/22/10 Common Stock 25,000 $5.59 D
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Explanation of Responses:
* This option was granted under the JMAR Technologies, Inc. 1999 Stock Option Plan. This option is exercisable in increments of
one-third per year commencing on May 22, 2001.
**Intentional misstatements or omissions of facts constitute Federal Criminal /s/ John H. Carosella 5/31/00
Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). ---------------------------------- ----------------
**Signature of Reporting Person Date
Note: File three copies of this Form, one of which must be manually signed.
If space provided is insufficient, See Instruction 6 for procedure.
Potential persons who are to respond to the collection of information contained Page 2
in this form are not to respond unless the form displays a currently valid OMB Number. SEC 1473(7-96)
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