The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ABBOTT LABS COM 002824100   3,318,644 24,400 SH   SOLE   0 0 24,400
ABBOTT LABS COM 002824100   1,128,883 8,300 SH   OTR   0 0 8,300
ABBVIE INC COM 00287Y109   5,308,732 28,600 SH   SOLE   0 0 28,600
ABBVIE INC COM 00287Y109   1,540,646 8,300 SH   OTR   0 0 8,300
AGILENT TECHNOLOGIES INC COM 00846U101   2,112,379 17,900 SH   SOLE   0 0 17,900
APPLE INC COM 037833100   11,169,455 54,440 SH   SOLE   0 0 54,440
APPLIED MATLS INC COM 038222105   4,912,867 26,836 SH   SOLE   0 0 26,836
AT&T INC COM 00206R102   2,581,448 89,200 SH   SOLE   0 0 89,200
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702   655,789 1,350 SH   SOLE   0 0 1,350
BRISTOL-MYERS SQUIBB CO COM 110122108   2,513,547 54,300 SH   SOLE   0 0 54,300
CISCO SYS INC COM 17275R102   6,563,348 94,600 SH   SOLE   0 0 94,600
CISCO SYS INC COM 17275R102   104,070 1,500 SH   OTR   0 0 1,500
COCA COLA CO COM 191216100   1,931,475 27,300 SH   SOLE   0 0 27,300
COCA COLA CO COM 191216100   56,600 800 SH   OTR   0 0 800
CORNING INC COM 219350105   4,538,517 86,300 SH   SOLE   0 0 86,300
EMERSON ELEC CO COM 291011104   5,533,195 41,500 SH   SOLE   0 0 41,500
EMERSON ELEC CO COM 291011104   199,995 1,500 SH   OTR   0 0 1,500
EXXON MOBIL CORP COM 30231G102   119,011 1,104 SH   SOLE   0 0 1,104
EXXON MOBIL CORP COM 30231G102   1,410,132 13,081 SH   OTR   0 0 13,081
GE AEROSPACE COM NEW 369604301   639,357 2,484 SH   OTR   0 0 2,484
GE VERNOVA INC COM 36828A101   328,073 620 SH   OTR   0 0 620
GEN DIGITAL INC COM 668771108   1,514,100 51,500 SH   SOLE   0 0 51,500
GSK PLC SPONSORED ADR 37733W204   1,592,832 41,480 SH   SOLE   0 0 41,480
HEWLETT PACKARD ENTERPRISE C COM 42824C109   1,167,695 57,100 SH   SOLE   0 0 57,100
HP INC COM 40434L105   1,396,666 57,100 SH   SOLE   0 0 57,100
ING GROEP N.V. SPONSORED ADR 456837103   1,793,340 82,000 SH   SOLE   0 0 82,000
INTEL CORP COM 458140100   2,125,760 94,900 SH   SOLE   0 0 94,900
INTEL CORP COM 458140100   66,080 2,950 SH   OTR   0 0 2,950
INTERNATIONAL BUSINESS MACHS COM 459200101   8,401,230 28,500 SH   SOLE   0 0 28,500
INTERNATIONAL BUSINESS MACHS COM 459200101   313,646 1,064 SH   OTR   0 0 1,064
JOHNSON & JOHNSON COM 478160104   5,850,325 38,300 SH   SOLE   0 0 38,300
JOHNSON & JOHNSON COM 478160104   51,629 338 SH   OTR   0 0 338
KONINKLIJKE PHILIPS N V NY REGIS SHS NEW 500472303   2,061,609 85,972 SH   SOLE   0 0 85,972
KONINKLIJKE PHILIPS N V NY REGIS SHS NEW 500472303   23,716 989 SH   OTR   0 0 989
MARSH & MCLENNAN COS INC COM 571748102   5,531,592 25,300 SH   SOLE   0 0 25,300
MERCK & CO INC COM 58933Y105   5,264,140 66,500 SH   SOLE   0 0 66,500
MERCK & CO INC COM 58933Y105   237,480 3,000 SH   OTR   0 0 3,000
MICROSOFT CORP COM 594918104   18,603,134 37,400 SH   SOLE   0 0 37,400
MICROSOFT CORP COM 594918104   1,591,712 3,200 SH   OTR   0 0 3,200
NORTHERN TR CORP COM 665859104   1,610,233 12,700 SH   SOLE   0 0 12,700
NUCOR CORP COM 670346105   3,368,040 26,000 SH   SOLE   0 0 26,000
NUCOR CORP COM 670346105   159,982 1,235 SH   OTR   0 0 1,235
ORACLE CORP COM 68389X105   2,111,966 9,660 SH   SOLE   0 0 9,660
PFIZER INC COM 717081103   3,771,696 155,598 SH   SOLE   0 0 155,598
PFIZER INC COM 717081103   143,258 5,910 SH   OTR   0 0 5,910
PROCTER AND GAMBLE CO COM 742718109   2,549,120 16,000 SH   SOLE   0 0 16,000
PROCTER AND GAMBLE CO COM 742718109   63,728 400 SH   OTR   0 0 400
PROGRESSIVE CORP COM 743315103   13,656,827 51,176 SH   SOLE   0 0 51,176
PROGRESSIVE CORP COM 743315103   124,431,748 466,281 SH   OTR   0 0 466,281
STRYKER CORPORATION COM 863667101   22,709,162 57,400 SH   SOLE   0 0 57,400
STRYKER CORPORATION COM 863667101   3,200,251 8,089 SH   OTR   0 0 8,089
THERMO FISHER SCIENTIFIC INC COM 883556102   4,433,705 10,935 SH   SOLE   0 0 10,935
UNILEVER PLC SPON ADR NEW 904767704   4,486,208 73,340 SH   SOLE   0 0 73,340
UNILEVER PLC SPON ADR NEW 904767704   165,159 2,700 SH   OTR   0 0 2,700
UNITED PARCEL SERVICE INC CL B 911312106   2,054,129 20,350 SH   SOLE   0 0 20,350
UNITED PARCEL SERVICE INC CL B 911312106   80,752 800 SH   OTR   0 0 800
VERIZON COMMUNICATIONS INC COM 92343V104   2,054,460 47,480 SH   SOLE   0 0 47,480
VERIZON COMMUNICATIONS INC COM 92343V104   84,420 1,951 SH   OTR   0 0 1,951