<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
--------------------
Schedule 13G
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
to Rules 13d-1(b) and (c) and Amendments Thereto Filed
Pursuant to 13d-2(b)
(Amendment No. 1)(1)
COLLATERAL THERAPEUTICS, INC.
-------------------------------------------------------
(Name of Issuer)
COMMON STOCK, PAR VALUE $.001 PER SHARE
-------------------------------------------------------
(Title of Class of Securities)
193921 10 3
-------------------------------------------------------
(CUSIP Number)
DECEMBER 31, 1999
-------------------------------------------------------
(Date of Event which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
|X| Rule 13d-1(b)
|_| Rule 13d-1(c)
|_| Rule 13d-1(d)
(CONTINUED ON FOLLOWING PAGE(S))
(Page 1 of 6 Pages)
- -------- (1) The remainder of this cover page shall be filled out
for a reporting person's initial filing on this form with respect to the
subject class of securities, and for any subsequent amendment containing
information which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover
page shall not be deemed to be "filed" for the purpose of Section 18 of the
Securities Exchange Act of 1934 or otherwise subject to the liabilities of
that section of the Act but shall be subject to all other provisions of the
Act (however, see the Notes).
<PAGE>
- ----------------------------------- ------------------
CUSIP NO. 193921 10 3 13G Page 2 of 6 Pages
- ----------------------------------- ------------------
- ----------- -------------------------------------------------------------
1. NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Christopher J. Reinhard
- ----------- -------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
- ----------- -------------------------------------------------------------
3. SEC USE ONLY
- ----------- -------------------------------------------------------------
4. CITIZENSHIP OR PLACE OF ORGANIZATION
United States.
- ----------------------------- --------- ---------------------------------
5. SOLE VOTING POWER
NUMBER 668,939 (1)
OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
--------- ---------------------------------
6. SHARED VOTING POWER
-0-
--------- ---------------------------------
7. SOLE DISPOSITIVE POWER
668,939 (1)
--------- ---------------------------------
8. SHARED DISPOSITIVE POWER
-0-
- ----------- -------------------------------------------------------------
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
668,939 (1)
- ----------- -------------------------------------------------------------
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES*
|_|
- ----------- -------------------------------------------------------------
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.1% as of December 31, 1999
- ----------- -------------------------------------------------------------
12. TYPE OF REPORTING PERSON*
IN
- ----------- --------------------------------------------------------------
(1) Includes 149,732 shares issuable upon exercise of options
exercisable within 60 days of December 31, 1999. Also includes 38,000
shares beneficially owned by Griffin J. Reinhard, a minor son of Mr.
Reinhard.
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE>
ITEM 1(a). NAME OF ISSUER:
Collateral Therapeutics, Inc.
ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
11622 El Camino Real
San Diego, California 92130
ITEM 2(a). NAME OF PERSON FILING:
Christopher J. Reinhard
ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE,
RESIDENCE:
11622 El Camino Real
San Diego, California 92130
ITEM 2(c). CITIZENSHIP:
United States
ITEM 2(d). TITLE OF CLASS OF SECURITIES:
Common Stock, par value $.001 per share
ITEM 2(e). CUSIP NUMBER:
193921 10 3
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR
13d-2(b), CHECK WHETHER THE PERSON FILING IS A:
Not Applicable.
ITEM 4. OWNERSHIP.
(a) Amount Beneficially Owned: See Row 9 of cover page.
(b) Percent of Class: See Row 11 of cover page.
(c) Number of Shares as to which such person has:
(i) sole power to vote or to direct the vote: See
Row 5 of cover page.
<PAGE>
(ii) shared power to vote or to direct the vote: -0-.
(iii) sole power to dispose or to direct the disposition
of: See Row 7 of cover page.
(iv) shared power to dispose or to direct the
disposition of: -0-
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
If this statement is being filed to report the fact that
as of the date hereof the reporting person has ceased to
be the beneficial owner of more than five percent of the
class of securities, check the following.
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER
PERSON.
Not Applicable.
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT
HOLDING COMPANY.
Not Applicable.
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.
Not Applicable.
ITEM 9. NOTICE OF DISSOLUTION OF GROUP.
Not Applicable.
ITEM 10. CERTIFICATIONS.
By signing below I certify that, to the best of my
knowledge and belief, the securities referred to above
were not acquired and are not held for the purpose of or
with the effect of changing or influencing the control of
the issuer of the securities and were not acquired in and
are not held in connection with or as a participant in any
transaction having that purpose or effect.
<PAGE>
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
Date: February 14, 2000
/S/ CHRISTOPHER J. REINHARD
----------------------------
Christopher J. Reinhard
