<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: 06/30/2000
Check here if Amendment [ ] Amendment Number:
This Amendment [ ] is a restatement
Institutional Investment Manager Filing this Report:
Name: JOHN F COGAN JR 28-1668
Address: C/O HALE AND DORR LLP, 60 STATE ST, 26TH FLOOR
BOSTON, MA 02109
13F File Number: 28-01668
The institutional investment Manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: JOHN F COGAN JR
Title: TRUSTEE
Phone: 617-526-6000
Signature, Place, and Date of Signing:
/S/ JOHN F. COGAN, JR. BOSTON, MASSACHUSETTS 07/13/2000
Report Type (Check only one)
[X] 13F HOLDINGS REPORT
[ ] 13F COMBINATION REPORT
<PAGE>
FORM 13F INFORMATION TABLE
<TABLE>
<CAPTION>
VALUE SHS INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE X PRN SH PUT DISCRTN MANAGERS SOLE SHARED NONE
SECURITY NAME OF CLASS CUSIP $1000 AMOUNT PRN CALL
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
AT&T CORP COMMON STOCK 001957109 135 4280 SH SOLE 4280
001957109 346 10944 SH OTHER 8635
734
OTHER 1125
450
ABBOTT COMMON STOCK 002824100 20 450 SH SOLE 450
LABORATORIES
002824100 258 5800 SH OTHER 2700
900
OTHER 1300
900
AMERICAN HOME COMMON STOCK 026609107 8 140 SH SOLE 140
PRODUCTS CORP
026609107 452 7700 SH OTHER 6300
OTHER 1400
AMERICAN INTL COMMON STOCK 026874107 192 1632 SH SOLE 1632
GROUP INC
026874107 371 3160 SH OTHER 1855
737
OTHER 568
ASPECT MEDICAL COMMON STOCK 045235108 246 9107 SH OTHER 9107
SYSTEMS INC
AUTOMATIC DATA COMMON STOCK 053015103 975 18200 SH SOLE 18200
PROCESSING INC
053015103 11 200 SH OTHER 200
AVERY DENNISON COMMON STOCK 053611109 725 10800 SH SOLE 10800
CORP
053611109 215 3200 SH OTHER 2800
200
OTHER 200
BP AMOCO - PLC COMMON STOCK 055622104 537 9490 SH SOLE 9490
SPONS ADR
055622104 675 11936 SH OTHER 10086
COLUMN TOTALS 5166
</TABLE>
<PAGE>
FORM 13F INFORMATION TABLE
<TABLE>
<CAPTION>
VALUE SHS INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE X PRN SH PUT DISCRTN MANAGERS SOLE SHARED NONE
SECURITY NAME OF CLASS CUSIP $1000 AMOUNT PRN CALL
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
OTHER 1850
BANK ONE COMMON STOCK 06423A103 172 6462 SH SOLE 6462
CORPORATION
06423A103 146 5501 SH OTHER 243
OTHER 5258
BAXTER INTL INC COMMON STOCK 071813109 662 9410 SH SOLE 9410
071813109 338 4800 SH OTHER 4600
200
BELL ATLANTIC COMMON STOCK 077853109 237 4664 SH SOLE 4664
CORP
077853109 123 2414 SH OTHER 1814
OTHER 600
BELLSOUTH CORP COMMON STOCK 079860102 34 800 SH SOLE 800
079860102 191 4488 SH OTHER 2804
724
OTHER 960
BERKSHIRE COMMON STOCK 084670108 24049 447 SH OTHER 447
HATHAWAY INC DEL
BESTFOODS INC COMMON STOCK 08658U101 263 3804 SH SOLE 3804
08658U101 637 9200 SH OTHER 7600
600
OTHER 1000
BRISTOL-MYERS COMMON STOCK 110122108 1113 19100 SH SOLE 19100
SQUIBB CO
110122108 843 14475 SH OTHER 6575
200
OTHER 7700
BUS-TECH COMMON STOCK 121995955 40 27000 SH OTHER 27000
ACQUISITION CORP
CIGNA CORP COMMON STOCK 125509109 58 625 SH SOLE 625
125509109 516 5517 SH OTHER 5069
109
COLUMN TOTALS 29422
</TABLE>
<PAGE>
FORM 13F INFORMATION TABLE
<TABLE>
<CAPTION>
VALUE SHS INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE X PRN SH PUT DISCRTN MANAGERS SOLE SHARED NONE
SECURITY NAME OF CLASS CUSIP $1000 AMOUNT PRN CALL
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
OTHER 339
CHEVRON CORP COMMON STOCK 166751107 216 2550 SH SOLE 2550
166751107 158 1863 SH OTHER 208
OTHER 1600
55
CISCO SYSTEMS INC COMMON STOCK 17275R102 229 3600 SH SOLE 3600
17275R102 737 11588 SH OTHER 5550
990
OTHER 4448
600
CITIGROUP, INC. COMMON STOCK 172967101 1186 19684 SH SOLE 19684
172967101 172 2860 SH OTHER 2000
OTHER 860
COMMON STOCK 194162103 1288 21510 SH SOLE 21510
194162103 489 8175 SH OTHER 2950
1100
OTHER 3650
475
CORNING INC COMMON STOCK 219350105 1484 5500 SH SOLE 5500
DISNEY WALT CO COMMON STOCK 254687106 564 14538 SH SOLE 14538
254687106 174 4475 SH OTHER 1025
OTHER 3450
R R DONNELLEY & COMMON STOCK 257867101 205 9100 SH SOLE 9100
SONS CO
DOW CHEMICAL CO COMMON STOCK 260543103 335 11100 SH SOLE 11100
260543103 55 1818 SH OTHER 318
600
OTHER 900
DUPONT E I COMMON STOCK 263534109 633 14460 SH SOLE 14460
DENEMOURS & CO
263534109 380 8680 SH OTHER 7180
400
COLUMN TOTALS 8305
</TABLE>
<PAGE>
FORM 13F INFORMATION TABLE
<TABLE>
<CAPTION>
VALUE SHS INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE X PRN SH PUT DISCRTN MANAGERS SOLE SHARED NONE
SECURITY NAME OF CLASS CUSIP $1000 AMOUNT PRN CALL
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
OTHER 1100
ENRON CORP COMMON STOCK 293561106 2053 31834 SH SOLE 31834
293561106 65 1000 SH OTHER 600
400
EXXON MOBIL COMMON STOCK 30231G102 2887 36772 SH SOLE 36772
CORPORATION
30231G102 4075 51912 SH OTHER 46569
418
OTHER 4121
804
FIRSTMERIT COMMON STOCK 337915102 203 9498 SH OTHER 9498
CORPRATION
GTE CORP COMMON STOCK 362320103 37 600 SH SOLE 600
362320103 414 6650 SH OTHER 5000
200
OTHER 1450
GENERAL ELECTRIC COMMON STOCK 369604103 4891 92280 SH SOLE 92280
CO
369604103 3771 71154 SH OTHER 45000
3771
OTHER 20700
1683
GILLETTE CO COMMON STOCK 375766102 241 6912 SH OTHER 1212
200
OTHER 5500
GLAXO WELLCOME FOREIGN STOCK 37733W105 678 11725 SH SOLE 11725
PLC
37733W105 439 7600 SH OTHER 6900
300
OTHER 400
GREIF BROS CORP COMMON STOCK 397624107 248 8066 SH OTHER 8066
INTEL CORP COMMON STOCK 458140100 501 3750 SH SOLE 3750
COLUMN TOTALS 20503
</TABLE>
<PAGE>
FORM 13F INFORMATION TABLE
<TABLE>
<CAPTION>
VALUE SHS INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE X PRN SH PUT DISCRTN MANAGERS SOLE SHARED NONE
SECURITY NAME OF CLASS CUSIP $1000 AMOUNT PRN CALL
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
458140100 1798 13450 SH OTHER 13080
170
OTHER 200
INTL BUSINESS COMMON STOCK 459200101 2636 24055 SH SOLE 24055
MACHINES CORP
459200101 1994 18199 SH OTHER 15054
539
OTHER 2606
JOHNSON & JOHNSON COMMON STOCK 478160104 3070 30133 SH SOLE 30133
478160104 1020 10016 SH OTHER 9350
OTHER 666
KIMBERLY CLARK COMMON STOCK 494368103 760 13250 SH SOLE 13250
CORP
494368103 34 600 SH OTHER 200
OTHER 400
LILLY ELI & CO COMMON STOCK 532457108 25 250 SH SOLE 250
532457108 185 1850 SH OTHER 1850
LUCENT COMMON STOCK 549463107 879 14831 SH SOLE 14831
TECHNOLOGIES INC
549463107 1199 20236 SH OTHER 15732
1006
OTHER 2814
684
MARSH & MCLENNAN COMMON STOCK 571748102 627 6000 SH OTHER 6000
COS INC
MCGRAW HILL COMMON STOCK 580645109 340 6300 SH SOLE 6300
COMPANIES INC
580645109 427 7900 SH OTHER 7600
300
MERCK & CO INC COMMON STOCK 589331107 34 450 SH SOLE 450
589331107 597 7796 SH OTHER 5430
1206
COLUMN TOTALS 15625
</TABLE>
<PAGE>
FORM 13F INFORMATION TABLE
<TABLE>
<CAPTION>
VALUE SHS INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE X PRN SH PUT DISCRTN MANAGERS SOLE SHARED NONE
SECURITY NAME OF CLASS CUSIP $1000 AMOUNT PRN CALL
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
OTHER 750
410
MINNESOTA MINING COMMON STOCK 604059105 462 5597 SH SOLE 5597
& MFG CO
604059105 479 5800 SH OTHER 5400
OTHER 400
J P MORGAN & CO COMMON STOCK 616880100 6 50 SH SOLE 50
INC
616880100 512 4650 SH OTHER 3700
OTHER 950
MOTOROLA INC COMMON STOCK 620076109 820 28221 SH SOLE 28221
620076109 44 1500 SH OTHER 1500
NOKIA CORP COMMON STOCK 654902204 225 4500 SH SOLE 4500
654902204 341 6820 SH OTHER 3310
160
OTHER 2450
900
NORFOLK SOUTHERN COMMON STOCK 655844108 183 12300 SH SOLE 12300
CORP
NORTEL NETWORKS FOREIGN STOCK 656568102 91 1327 SH SOLE 1327
CORP.
656568102 298 4360 SH OTHER 3640
620
OTHER 100
PPG INDUSTRIES COMMON STOCK 693506107 403 9100 SH SOLE 9100
INC
PFIZER INC COMMON STOCK 717081103 555 11566 SH SOLE 11566
717081103 1271 26475 SH OTHER 4725
1950
OTHER 19050
750
PHARMACIA COMMON STOCK 71713U102 143 2765 SH SOLE 2765
COLUMN TOTALS 5833
</TABLE>
<PAGE>
FORM 13F INFORMATION TABLE
<TABLE>
<CAPTION>
VALUE SHS INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE X PRN SH PUT DISCRTN MANAGERS SOLE SHARED NONE
SECURITY NAME OF CLASS CUSIP $1000 AMOUNT PRN CALL
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
CORPORATION
71713U102 269 5195 SH OTHER 545
OTHER 4000
650
PHYSICIANS COMMON STOCK 719995102 0 20833 SH OTHER 20833
QUALITY CARE INC
PIONEER BOND FUND MUTUAL 723622106 158 18605 SH OTHER 18605
FUNDS-FIXED
INCOME
PIONEER GROUP INC COMMON STOCK 723684106 49511 1168410 SH SOLE 333410
835000
723684106 3489 82340 SH OTHER 82340
POTLATCH CORP COMMON STOCK 737628107 47623 1437672 SH OTHER 1437672
PROCTER & GAMBLE COMMON STOCK 742718109 793 13854 SH SOLE 13854
CO
742718109 781 13641 SH OTHER 9265
616
OTHER 3575
185
REUTERS GROUP PLC FOREIGN STOCK 76132M102 953 9531 SH SOLE 9531
76132M102 502 5026 SH OTHER 5026
ROYAL DUTCH FOREIGN STOCK 780257804 137 2230 SH SOLE 2230
PETROLEUM CO
780257804 332 5400 SH OTHER 2200
400
OTHER 2800
SBC COMMON STOCK 78387G103 183 4226 SH SOLE 4226
COMMUNICATIONS
INC
78387G103 438 10138 SH OTHER 4700
1480
OTHER 3424
534
COLUMN TOTALS 105169
</TABLE>
<PAGE>
FORM 13F INFORMATION TABLE
<TABLE>
<CAPTION>
VALUE SHS INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE X PRN SH PUT DISCRTN MANAGERS SOLE SHARED NONE
SECURITY NAME OF CLASS CUSIP $1000 AMOUNT PRN CALL
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
ST PAUL COS INC COMMON STOCK 792860108 246 7200 SH SOLE 7200
SARA LEE CORP COMMON STOCK 803111103 55 2850 SH SOLE 2850
803111103 382 19792 SH OTHER 8992
OTHER 10000
800
SCANA CORP - NEW COMMON STOCK 80589M102 10 394 SH SOLE 394
80589M102 335 13872 SH OTHER 13872
SCHLUMBERGER LTD COMMON STOCK 806857108 989 13248 SH SOLE 13248
806857108 754 10100 SH OTHER 9400
OTHER 700
SHERWIN WILLIAMS COMMON STOCK 824348106 593 28000 SH SOLE 28000
CO
STATE STREET CORP COMMON STOCK 857477103 997 9400 SH OTHER 9400
TEMPLETON MUTUAL 880191101 372 38168 SH OTHER 38168
EMERGING MKTS FUNDS-EQUITY
FUND INC
TYCO COMMON STOCK 902124106 519 10960 SH SOLE 10960
INTERNATIONAL LTD
902124106 85 1800 SH OTHER 1200
600
US BANCORP COMMON STOCK 902973106 397 20600 SH OTHER 20600
UNION PACIFIC COMMON STOCK 907818108 409 11000 SH SOLE 11000
CORP
907818108 7 200 SH OTHER 200
UNION PACIFIC COMMON STOCK 907834105 204 9263 SH SOLE 9263
RES GROUP
VANGUARD MUTUAL 921939203 4274 147636 SH OTHER 147636
TRUSTEES EQUITY FUNDS-EQUITY
FUND
COLUMN TOTALS 10628
</TABLE>
<PAGE>
FORM 13F INFORMATION TABLE
<TABLE>
<CAPTION>
VALUE SHS INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE X PRN SH PUT DISCRTN MANAGERS SOLE SHARED NONE
SECURITY NAME OF CLASS CUSIP $1000 AMOUNT PRN CALL
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
WALGREEN CO COMMON STOCK 931422109 483 15000 SH OTHER 15000
WARBURG PINCUS MUTUAL 933911109 6968 327581 SH OTHER 327581
INSTL FD INC FUNDS-EQUITY
WEYERHAEUSER CO COMMON STOCK 962166104 1505 35000 SH SOLE 35000
962166104 70472 1638880 SH OTHER 1636878
OTHER 2002
WRIGLEY WM JR CO COMMON STOCK 982526105 202 2525 SH SOLE 2525
NEXTPOINT CONVERTIBLE 999875008 200 25000 SH OTHER 25000
NETWORKS INC PREFERRED STOCK
CARR TOTAL MUTUAL 999877004 509 255 SH OTHER 255
RETURN FUND LP FUNDS-BALANCED
ROCK ISLAND COMMON STOCK 999878002 3246 12121 SH OTHER 12121
COMPANY
TRANSOCEAN SEDCO FOREIGN STOCK G90078109 137 2561 SH SOLE 2561
FOREX, INC
G90078109 104 1953 SH OTHER 1818
OTHER 135
COLUMN TOTALS 83826
AGGREGATE TOTAL 284477
</TABLE>
<PAGE>
FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 133
Form 13F Information Table Value Total: $ 284,477
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment Managers with respect to which this report is filed,
other than the Manager filing this report.
No. 13F File Number Name