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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. ________)
Nanogen, Inc.
(Name of Issuer)
COMMON STOCK, $.001 PAR VALUE
(Title of Class of Securities)
630075 10 9
---------------------------------------------
(CUSIP Number)
April 17, 1998
---------------------------------------------
(Date of Event Which Requires
Filing of This Statement)
Check the appropriate box to designate the rule pursuant to which this
schedule is filed:
/ / Rule 13d-1(b)
--
/ / Rule 13d-1(c)
--
/X/ Rule 13d-1(d)
--
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 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act.
Page 1 of 5 Pages
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- --------------------------------------------------------------------------------
1. Names of Reporting Persons Howard C. Birndorf
S.S. or I.R.S. Identification
Nos. of Above Persons
- --------------------------------------------------------------------------------
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 1,217,348
Number of -----------------------------------------------------
Shares
Beneficially 6. Shared Voting Power 0
Owned by -----------------------------------------------------
Each
Reporting 7. Sole Dispositive Power 1,217,348
Person -----------------------------------------------------
With
8. Shared Dispositive Power 0
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned
by Each Reporting Person 1,217,348
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount
in Row 9 Excludes Certain Shares
(see Instructions) [ ]
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9 6.5%
- --------------------------------------------------------------------------------
12. Type of Reporting Person IN
- --------------------------------------------------------------------------------
Page 2 of 5 Pages
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Item 1(a) Name of Issuer: Nanogen, Inc.
--------------
Item 1(b) Address of Issuer's Principal Executive Offices:
-----------------------------------------------
10398 Pacific Center Court, San Diego, CA 92121
Item 2(a) Name of Person Filing: Howard C. Birndorf
Item 2(b) Address of Principal Business Office or, if None,
Residence: c/o Nanogen, Inc.
10398 Pacific Center Court
San Diego, CA 92121
Item 2(c) Citizenship: United States
-----------
Item 2(d) Title of Class of Securities Common Stock
----------------------------
Item 2(e) CUSIP Number: 630075 10 9
------------ -----------
Item 3. If this statement is filed pursuant to Rule 13d-1(b) or
13d-2(b), check whether the person filing is a:
(a) [ ] Broker or Dealer registered under
section 15 of the Act
(b) [ ] Bank as defined in section 3(a)(6) of the
Act
(c) [ ] Insurance Company as defined in section
3(a)(19) of the Act
(d) [ ] Investment Company registered under
section 8 of the Investment Company Act
(e) [ ] Investment Adviser registered under
section 203 of the Investment Advisers Act
of 1940
(f) [ ] Employee Benefit Plan, Pension Fund which
is subject to the provisions of the
Employee Retirement Income Security Act of
1974 or Endowment Fund
(g) [ ] Parent Holding Company, in accordance with
section 240.13d-1(b)(ii)(G)
(h) [ ] Group, in accordance with section
240.13d-1(b)(1)(ii)(H)
Page 3 of 5 Pages
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N.A.
Item 4. Ownership.
---------
(a) Amount Beneficially Owned: 1,217,348
(b) Percent of Class: 6.5%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote:
1,217,348
(ii) shared power to vote or to direct the vote:
0
(iii) sole power to dispose or to direct the
disposition of: 1,217,348
(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.
--------------
N.A.
Item 7. Identification and Classification of the
----------------------------------------
Subsidiary Which Acquired the Security Being
--------------------------------------------
Reported on by the Parent Holding Company.
-----------------------------------------
N.A.
Item 8. Identification and Classification of Members of
-----------------------------------------------
the Group.
---------
N.A.
Item 9. Notice of Dissolution of Group.
------------------------------
N.A.
Page 4 of 5 Pages
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Item 10. Certification.
-------------
N.A.
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.
Dated: February 8, 1999.
/s/ Howard C. Birndorf
----------------------------------------
Howard C. Birndorf
Page 5 of 5 Pages
