<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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SCHEDULE 13D (AMENDMENT NO.11)
Under the Securities Exchange Act of 1934
Data I/O Corporation
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(Name of Issuer)
Common Stock, No Par Value
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(Title of Class of Securities)
CUSIP Number: 237690102
Glen F. Ceiley
Bisco Industries, Inc.
704 W. Southern Ave.
Orange, CA 92865
(714) 283-7140
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(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)
June 17, 1999
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(Date of Event which Requires Filing of this Statement)
If the filing person has previously filed a statement on Schedule
13G to report the acquisition which is subject of this Schedule 13D,
and is filing this statement because of Rule 13d-1(b)(3) or (4),
check the following box: ( )
Page 1 of 14 Pages
Exhibit Index on Page 8.
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SCHEDULE 13D
CUSIP No. 237690102
1. Name of Reporting Person
Mr. Glen F. Ceiley
2. Check the Appropriate Box if a Member of a group (a) (X)
(b) ( )
3. SEC Use Only
4. Source of Funds
PF
5. Check Box if Disclosure of Legal Proceedings is Required
Pursuant to Items 2(d) or 2(e) ( )
6. Citizenship or Place of Organization
U.S.A.
Number of 7. Sole Voting Power
Shares
Beneficially 900 shares of Common Stock
Owned By
Each 8. Shared Voting Power
Reporting
Person 1,285,225 shares of Common Stock (See Item 5)
With
9. Sole Dispositive Power
900 shares of Common Stock
10. Shared Dispositive Power
1,285,225 shares of Common Stock (See Item 5)
11. Aggregate Amount Beneficially Owned by Each Reporting Person
1,285,925 shares of Common Stock (See Item 5)
12. Check Box if the Aggregate Amount in Row (11) Excludes
Certain Shares ( )
13. Percent of Class Represented by Amount in Row (11)
17.77%
14. Type of Reporting Person
IN
Page 2 of 14 Pages
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SCHEDULE 13D
CUSIP No. 237690102
1. Name of Reporting Person
Bisco Industries, Inc.
2. Check the Appropriate Box if a Member of a Group (a) (X)
(b) ( )
3. SEC Use Only
4. Source of Funds
WC
5. Check Box if Disclosure of Legal Proceedings is Required
Pursuant to Items 2(d) or 2(e) ( )
6. Citizenship or Place of Organization
Illinois
Number of 7. Sole Voting Power
Shares
Beneficially 845,400 shares of Common Stock (See Item 5)
Owned By
Each
Reporting 8. Shared Voting Power
Person
With 0
9. Sole Dispositive Power
845,400 shares of Common Stock (See Item 5)
10. Shared Dispositive Power
0
11. Aggregate Amount Beneficially Owned by Each Reporting Person
845,400 shares of Common Stock (See Item 5)
12. Check Box if the Aggregate Amount in Row (11) Excludes
Certain Shares ( )
13. Percent of Class Represented by Amount in Row (11)
11.68%
14. Type of Reporting Person
CO
Page 3 of 14 Pages
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SCHEDULE 13D
CUSIP No. 237690102
1. Name of Reporting Person
Bisco Industries, Inc. Profit Sharing and Savings Plan
2. Check the Appropriate Box if a Member of a Group (a) (X)
(b) ( )
3. SEC Use Only
4. Source of Funds
00
5. Check Box if Disclosure of Legal Proceedings is Required
Pursuant to Items 2(d) or 2(e) ( )
6. Citizenship or Place of Organization
U.S.A.
Number of 7. Sole Voting Power
Shares
Beneficially 438,925 shares of Common Stock (See Item 5)
Owned By
Each
Reporting 8. Shared Voting Power
Person
With 0
9. Sole Dispositive Power
438,925 shares of Common Stock (See Item 5)
10. Shared Dispositive Power
0
11. Aggregate Amount Beneficially Owned by Each Reporting Person
438,925 shares of Common Stock (See Item 5).
12. Check Box if the Aggregate Amount in Row (11) Excludes
Certain Shares ( )
13. Percent of Class Represented by Amount in Row (11)
6.06%
14. Type of Reporting Person
EP
Page 4 of 14 Pages
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SCHEDULE 13D
CUSIP No. 237690102
1. Name of Reporting Person
Mr. Matthew Ceiley.
2. Check the Appropriate Box if a Member of a Group (a) (X)
(b) ( )
3. SEC Use Only
4. Source of Funds
PF
5. Check Box if Disclosure of Legal Proceedings is Required
Pursuant to Items 2(d) or 2(e) ( )
6. Citizenship or Place of Organization
Illinois
Number of 7. Sole Voting Power
Shares
Beneficially 700 shares of Common Stock (See Item 5)
Owned By
Each
Reporting 8. Shared Voting Power
Person
With 0
9. Sole Dispositive Power
700 shares of Common Stock (See Item 5)
10. Shared Dispositive Power
0
11. Aggregate Amount Beneficially Owned by Each Reporting Person
700 shares of Common Stock (See Item 5)
12. Check Box if the Aggregate Amount in Row (11) Excludes
Certain Shares ( )
13. Percent of Class Represented by Amount in Row (11)
.01%
14. Type of Reporting Person
IN
Page 5 of 14 Pages
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Item 3. Source and Amount of Funds or Other Consideration
-------------------------------------------------
Item 3 to Schedule 13D is amended as follows:
Mr. Glen Ceiley purchased directly 900 shares for a total consideration
of $2,137.50 from his personal funds. Mr. Matthew Ceiley, son of Mr. Glen
Ceiley, purchased directly 700 shares for a total consideration of $962.50 from
his personal funds. Bisco purchased 845,400 shares for a total consideration of
$1,658,185.57. Bisco paid for such Shares from its working capital, including
funds made available in the ordinary course of business under its working
capital credit facility. The Plan purchased 438,925 shares for a total
consideration of $1,173,077.07 using funds held in the Plan for investment
purposes.
Page 6 of 14 Pages
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Item 5. Interest in Securities of the Issuer
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Item 5 to Schedule 13D is amended as follows;
(a) As of the close of business on June 17, 1999 the Reporting Persons
owned in the aggregate, 1,285,925 Shares, which represent approximately 17.77%
of the 7,238,311 Shares outstanding as of April 1, 1999 as reported in the
Issuer's Quarterly Report on Form 10-Q for the quarter ended April 1, 1999. In
accordance with Rule 13d-5(b)(1) of the General Rules and regulations under the
Securities Exchange Act of 1934, as amended, each of Mr. Glen Ceiley,
individually and as Trustee of the Plan, the Plan, Bisco and Mr. Matthew Ceiley
individually may be deemed to have acted as a group and such group may be deemed
to have acquired beneficial ownership of Shares beneficially owned by any of
such persons.
As of the close of business on June 17, 1999, Mr. Glen Ceiley
beneficially owned an aggregate of 1,285,225 Shares, of which 900 shares were
owned by Mr. Ceiley individually, 845,400 Shares were owned by Bisco, of which
Mr. Glen Ceiley is the sole stockholder and President, and 438,925 Shares were
held by Mr. Glen Ceiley as sole Trustee of the Plan, and Mr. Matthew Ceiley
owned 700 shares.
(b) Mr. Glen Ceiley has the sole power to vote and to dispose of the
Shares owned by the Plan and Bisco.
(c) The reporting persons purchased and sold Shares in the manner, in
the amounts, on the dates and at the prices set forth on Schedule 1 attached
hereto and incorporated herein by reference.
(d) Not applicable
(e) Not applicable
Page 7 of 14 Pages
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Item 7. Material to be Filed as Exhibits
------------------------------------------
Exhibit 1. Joint Filing Agreement dated as of Page Number
June 23, 1999 14
Page 8 of 14 Pages
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SCHEDULE 1
The Reporting Persons have engaged in the following transactions in Shares since
March 16, 1999, the last day on which a transaction in the shares by the
reporting persons was reported on the Schedule 13D. All transactions involved
purchases of Shares on the NASDAQ.
<TABLE>
<CAPTION>
Transaction Number of Price
Date Shares Per Share* Purchaser
- ----------- ----------- ----------- ----------------------
<S> <C> <C> <C>
17-MAR-99 6,000 1.5000 PLAN
19-MAR-99 2,900 1.4375 PLAN
23-MAR-99 8,100 1.3912 PLAN
26-MAR-99 12,600 1.3403 PLAN
26-MAR-99 700 1.3750 M. CEILEY
5-MAY-99 7,000 1.3750 BISCO
7-MAY-99 6,000 1.3750 BISCO
11-MAY-99 5,600 1.3750 BISCO
12-MAY-99 400 1.3750 BISCO
14-MAY-99 300 1.3125 BISCO
17-MAY-99 1,300 1.3125 BISCO
19-MAY-99 500 1.3125 BISCO
20-MAY-99 3,900 1.3125 BISCO
25-MAY-99 8,000 1.2188 BISCO
26-MAY-99 4,000 1.1250 BISCO
4-JUN-99 4,000 1.3125 BISCO
10-JUN-99 4,700 1.3052 BISCO
16-JUN-99 3,300 1.2500 BISCO
17-JUN-99 4,000 1.2500 BISCO
</TABLE>
* Excluding commissions
Page 9 of 14 pages
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SIGNATURE
---------
After reasonable inquiry and to the best of its knowledge and belief, the
undersigned certifies that the information set forth in this statement is true,
complete and correct.
Dated: June 23, 1999
/s/ Matthew Ceiley
--------------------------
Name: Matthew Ceiley
Page 10 of 14 pages
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SIGNATURE
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After reasonable inquiry and to the best of its knowledge and belief, the
undersigned certifies that the information set forth in this statement is true,
complete and correct.
Dated: June 23, 1999
/s/ Glen F. Ceiley
--------------------------
Name: Glen F. Ceiley
Page 11 of 14 pages
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SIGNATURE
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After reasonable inquiry and to the best of its knowledge and belief, the
undersigned certifies that the information set forth in this statement is true,
complete and correct.
Dated: June 23, 1999
Bisco Industries, Inc.
/s/ Glen F. Ceiley
---------------------------------
Name: Glen F. Ceiley
Title: President
Page 12 of 14 pages
<PAGE>
SIGNATURE
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After reasonable inquiry and to the best of its knowledge and belief, the
undersigned certifies that the information set forth in this statement is true,
complete and correct.
Dated: June 23, 1999
Bisco Industries, Inc.
Profit Sharing And Savings Plan
/s/ Glen F. Ceiley
_______________________________
Name: Glen F. Ceiley
Title: Trustee
Page 13 of 14 Pages
<PAGE>
EXHIBIT 1
JOINT FILING AGREEMENT
----------------------
In accordance with rule 13d-(f) promulgated under the Securities Exchange Act of
1934, as amended, the undersigned hereby agree to the joint filing with all
other Reporting Persons (as such term is defined in the Schedule 13D referred to
below) on behalf of each of them of a statement on Schedule 13D (including
amendments thereto) with respect to the common stock. no par value (the "Common
Stock"), of Data I/O Corporation, a Washington corporation, and that this
Agreement be included as an Exhibit to such joint filing. This Agreement may be
executed in any number of counterparts, all of which taken together shall
constitute one and the same instrument.
IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of
June 23, 1999.
/s/ GLEN F. CEILEY
----------------------
Glen F. Ceiley
Bisco Industries, Inc.
/s/ GLEN F. CEILEY
----------------------
Name: Glen F. Ceiley
Title: President
Bisco Industries, Inc.
Profit Sharing and Savings Plan
/s/ GLEN F. CEILEY
----------------------
Name: Glen F. Ceiley
Title: Trustee
/s/ MATTHEW CEILEY
----------------------
Matthew Ceiley
Page 14 of 14 Pages
