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SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 10)
Chesapeake Biological Laboratories, Inc.
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(Name of Issuer)
Class A Common Stock
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(Title of Class of Securities)
165146
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(CUSIP Number)
CUSIP No. 165146 Schedule 13G
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION OF ABOVE PERSON
William P. Tew, Ph.D.
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
Not Applicable
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3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
5 SOLE VOTING POWER
553,657 (as of December 31, 1998) (includes 196,719 shares purchasable
under options exercisable within sixty days of December 31, 1998)
6 SHARED VOTING POWER
Not Applicable
7 SOLE DISPOSITIVE POWER
553,657 (as of December 31, 1998) (includes 196,719 shares purchasable
under options exercisable within sixty days of December 31, 1998)
8 SHARED DISPOSITIVE POWER
Not Applicable
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
553,657 (as of December 31, 1998) (includes 196,719 shares purchasable
under options exercisable within sixty days of December 31, 1998)
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
Excludes shares owned by wife in which reporting person claims no
beneficial interest.
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
10.01%
12 TYPE OF REPORTING PERSON
IN
ITEM 1.
(a) Name of Issuer:
Chesapeake Biological Laboratories, Inc.
(b) Address of Issuer's Principal Executive Offices
1111 South Paca Street
Baltimore, MD 21230
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ITEM 2.
(a) Name of Person Filing:
William P. Tew
(b) Address of Principal Business Office, if none, Residence:
1111 South Paca Street
Baltimore, Maryland 21230
(c) Citizenship:
United States
(d) Title of Class of Securities:
Class A Common Stock
(f) CUSIP Number:
165146
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.
(a) Amount Beneficially Owned as of December 31, 1998:
553,657
(b) Percent of Class: 10.01%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote as of December 31, 1998:
553,657. (includes 196,719 shares purchasable under options
exercisable within sixty days of December 31, 1998)
(ii) shared power to vote or to direct the vote as of December 31,
1998: Not Applicable.
(iii) sole power to dispose or to direct the disposition of as of
December 31, 1998: 553,657 (includes 196,719 shares purchasable
under options exercisable within sixty days of December 31, 1998)
(iv) shared power to dispose or to direct the disposition of as of
December 31, 1998: Not Applicable.
ITEM 5. Ownership of Five Percent or Less of a Class
Not Applicable.
ITEM 6. Ownership of More than Five Percent on Behalf of Another Person
Not Applicable.
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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.
Not Applicable.
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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.
February 15, 1999
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Date
/s/ William P. Tew
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Signature
William P. Tew
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Name
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