{"cik":"0000718976","entityType":"operating","sic":"7372","sicDescription":"Services-Prepackaged Software","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"BGS SYSTEMS INC","tickers":[],"exchanges":[],"ein":"042559993","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"0131","stateOfIncorporation":"MA","stateOfIncorporationDescription":"MA","addresses":{"mailing":{"street1":"1592 COUNTY RD","street2":"ONE FIRST AVENUE","city":"GREAT BARINGTON","stateOrCountry":"MA","zipCode":"01230","stateOrCountryDescription":"MA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"ONE FIRST AVE","street2":null,"city":"WALTHAM","stateOrCountry":"MA","zipCode":"02254-9111","stateOrCountryDescription":"MA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"4132290393","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001053263-98-000008","0001010930-98-000002","0001005434-98-000005","0001005432-98-000002","0001004857-98-000002","0001004804-98-000008","0001004803-98-000002","0000941301-98-000006","0000900575-98-000004","0000918134-98-000035","0000918134-98-000033","0000950129-98-001391","0000950135-98-001687","0001005434-98-000003","0001005477-98-000364","0000902219-98-000616","0001053263-98-000003","0000950129-98-000493","0000734269-98-000086","0000941301-98-000004","0000950135-98-000420","0000941301-98-000002","0000900575-98-000002","0001004804-98-000004","0000718976-97-000016","0000718976-97-000014","0001004804-97-000004","0001005434-97-000001","0001004856-97-000005","0000718976-97-000012","0000718976-97-000010","0000718976-97-000009","0000718976-97-000008","0000718976-97-000003","0000919574-97-000551","0000919574-97-000550","0000919574-97-000528","0001005905-97-000004","0000941301-97-000006","0000950135-97-002103","0000950135-97-002031","0001004804-97-000001","0001005905-97-000003","0000941301-97-000005","0001005905-97-000002","0000941301-97-000004","0001005477-97-000400","0000902219-97-000287","0001004856-97-000004","0001004856-97-000002","0000941301-97-000003","0000900575-97-000002","0001005905-97-000001","0001004856-97-000001","0000941301-97-000001","0000718976-96-000031","0001005905-96-000010","0000941301-96-000009","0001005905-96-000009","0000941301-96-000008","0001004856-96-000004","0001004856-96-000003","0001005905-96-000008","0000941301-96-000007","0000718976-96-000028","0001005905-96-000005","0000941301-96-000004","0001005905-96-000003","0000941301-96-000002","0001005432-96-000003","0001005432-96-000002","0001005432-96-000001","0001004803-96-000001","0000718976-96-000026","0000718976-96-000025","0000718976-96-000024","0000718976-96-000023","0000718976-96-000020","0000718976-96-000016","0000718976-96-000014","0000718976-96-000012","0000950135-96-001852","0000950135-96-001823","0000950112-96-000481","0000902219-96-000179","0000902219-96-000006","0000718976-96-000009","0000718976-96-000008","0000718976-96-000007","0000718976-96-000002","0000718976-95-000017","0000718976-95-000015","0000718976-95-000013","0000718976-95-000011","0000718976-95-000009","0000718976-95-000003","0000950135-95-001098"],"filingDate":["1998-04-10","1998-04-09","1998-04-09","1998-04-09","1998-04-09","1998-04-09","1998-04-09","1998-04-09","1998-04-09","1998-04-03","1998-04-03","1998-03-31","1998-03-20","1998-03-17","1998-02-13","1998-02-11","1998-02-09","1998-02-09","1998-02-09","1998-02-06","1998-02-03","1998-01-16","1998-01-16","1998-01-07","1997-12-12","1997-09-12","1997-08-06","1997-07-07","1997-07-07","1997-07-07","1997-06-30","1997-06-30","1997-06-30","1997-06-10","1997-05-30","1997-05-30","1997-05-27","1997-05-08","1997-05-08","1997-05-01","1997-04-25","1997-04-17","1997-03-19","1997-03-19","1997-02-25","1997-02-25","1997-02-14","1997-02-13","1997-01-29","1997-01-29","1997-01-29","1997-01-29","1997-01-21","1997-01-21","1997-01-21","1996-12-13","1996-11-15","1996-11-15","1996-10-18","1996-10-18","1996-10-03","1996-10-03","1996-09-26","1996-09-26","1996-09-12","1996-08-26","1996-08-26","1996-07-17","1996-07-17","1996-07-08","1996-07-08","1996-07-08","1996-07-08","1996-07-02","1996-07-02","1996-06-14","1996-06-14","1996-06-11","1996-05-30","1996-05-21","1996-05-21","1996-05-01","1996-04-26","1996-02-15","1996-02-12","1996-02-07","1996-01-30","1996-01-30","1996-01-30","1996-01-09","1995-12-13","1995-11-17","1995-09-07","1995-07-12","1995-06-30","1995-05-31","1995-05-08"],"reportDate":["1998-03-26","1998-03-26","1998-03-26","1998-03-26","1998-03-26","1998-03-26","1998-03-26","1998-03-26","1998-03-26","","","","","1998-03-06","","","1997-11-14","","","","1998-01-31","","","1997-12-31","1997-10-31","1997-07-31","1997-07-11","1997-06-30","1997-06-30","","","","","1997-04-30","1997-05-30","1997-05-30","","1997-04-01","1997-04-30","1997-06-10","1997-01-31","1997-04-07","1997-03-12","1997-03-12","1997-02-25","1997-02-25","","","","","","","","","","1996-10-31","","","","","","","","","1996-07-31","","","","","","","","","","","","","1996-04-30","","","","1996-06-11","1996-01-31","","","","","","","1995-12-26","1995-10-31","1995-10-26","1995-07-31","","","1995-04-30","1995-06-13"],"acceptanceDateTime":["1998-04-10T04:00:00.000Z","1998-04-09T04:00:00.000Z","1998-04-09T04:00:00.000Z","1998-04-09T04:00:00.000Z","1998-04-09T04:00:00.000Z","1998-04-09T04:00:00.000Z","1998-04-09T04:00:00.000Z","1998-04-09T04:00:00.000Z","1998-04-09T04:00:00.000Z","1998-04-03T05:00:00.000Z","1998-04-03T05:00:00.000Z","1998-03-31T05:00:00.000Z","1998-03-20T05:00:00.000Z","1998-03-17T05:00:00.000Z","1998-02-13T05:00:00.000Z","1998-02-11T05:00:00.000Z","1998-02-09T05:00:00.000Z","1998-02-09T05:00:00.000Z","1998-02-09T05:00:00.000Z","1998-02-06T05:00:00.000Z","1998-02-03T05:00:00.000Z","1998-01-16T05:00:00.000Z","1998-01-16T05:00:00.000Z","1998-01-07T05:00:00.000Z","1997-12-12T05:00:00.000Z","1997-09-12T04:00:00.000Z","1997-08-06T04:00:00.000Z","1997-07-07T04:00:00.000Z","1997-07-07T04:00:00.000Z","1997-07-07T04:00:00.000Z","1997-06-30T04:00:00.000Z","1997-06-30T04:00:00.000Z","1997-06-30T04:00:00.000Z","1997-06-10T04:00:00.000Z","1997-05-30T04:00:00.000Z","1997-05-30T04:00:00.000Z","1997-05-27T04:00:00.000Z","1997-05-08T04:00:00.000Z","1997-05-08T04:00:00.000Z","1997-05-01T04:00:00.000Z","1997-04-25T04:00:00.000Z","1997-04-17T04:00:00.000Z","1997-03-19T05:00:00.000Z","1997-03-19T05:00:00.000Z","1997-02-25T05:00:00.000Z","1997-02-25T05:00:00.000Z","1997-02-14T05:00:00.000Z","1997-02-13T05:00:00.000Z","1997-01-29T05:00:00.000Z","1997-01-29T05:00:00.000Z","1997-01-29T05:00:00.000Z","1997-01-29T05:00:00.000Z","1997-01-21T05:00:00.000Z","1997-01-21T05:00:00.000Z","1997-01-21T05:00:00.000Z","1996-12-13T05:00:00.000Z","1996-11-15T05:00:00.000Z","1996-11-15T05:00:00.000Z","1996-10-18T04:00:00.000Z","1996-10-18T04:00:00.000Z","1996-10-03T04:00:00.000Z","1996-10-03T04:00:00.000Z","1996-09-26T04:00:00.000Z","1996-09-26T04:00:00.000Z","1996-09-12T04:00:00.000Z","1996-08-26T04:00:00.000Z","1996-08-26T04:00:00.000Z","1996-07-17T04:00:00.000Z","1996-07-17T04:00:00.000Z","1996-07-08T04:00:00.000Z","1996-07-08T04:00:00.000Z","1996-07-08T04:00:00.000Z","1996-07-08T04:00:00.000Z","1996-07-02T04:00:00.000Z","1996-07-02T04:00:00.000Z","1996-06-14T04:00:00.000Z","1996-06-14T04:00:00.000Z","1996-06-11T04:00:00.000Z","1996-05-30T04:00:00.000Z","1996-05-21T04:00:00.000Z","1996-05-21T04:00:00.000Z","1996-05-01T04:00:00.000Z","1996-04-26T04:00:00.000Z","1996-02-15T05:00:00.000Z","1996-02-12T05:00:00.000Z","1996-02-07T05:00:00.000Z","1996-01-30T05:00:00.000Z","1996-01-30T05:00:00.000Z","1996-01-30T05:00:00.000Z","1996-01-09T05:00:00.000Z","1995-12-13T05:00:00.000Z","1995-11-17T05:00:00.000Z","1995-09-07T04:00:00.000Z","1995-07-12T04:00:00.000Z","1995-06-30T04:00:00.000Z","1995-05-31T04:00:00.000Z","1995-05-08T04:00:00.000Z"],"act":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"form":["4","4","4","4","4","4","4","4","4","SC 13D/A","SC 13D","15-12G","SC 13D/A","4","SC 13G","SC 13G/A","3","SC 13D","SC 13G","SC 13G/A","8-K","SC 13G/A","SC 13G/A","4","10-Q","10-Q","4","4","4","S-8 POS","S-8","S-8","S-8","10-Q","4","4","SC 13D/A","4","4","DEF 14A","10-K405","4","4","4","4","4","SC 13G","SC 13G/A","SC 13D/A","4","SC 13G/A","SC 13G/A","4","4","4","10-Q","4","4","4","4","4","4","4","4","10-Q","4","4","4","4","4","4","4","4","4","4","4","4","10-Q","4","4","4","DEF 14A","10-K405","SC 13G","SC 13G/A","SC 13G/A","SC 13G/A","SC 13G/A","SC 13D/A","8-K","10-Q","8-K","10-Q","S-8 POS","S-8","10-Q","DEF 14A"],"fileNumber":["000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","005-34886","005-34886","000-12192","005-34886","000-12192","005-34886","005-34886","000-12192","005-34886","005-34886","005-34886","000-12192","005-34886","005-34886","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","033-60763","333-30381","333-30379","333-30377","000-12192","000-12192","000-12192","005-34886","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","005-34886","005-34886","005-34886","000-12192","005-34886","005-34886","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","000-12192","005-34886","005-34886","005-34886","005-34886","005-34886","005-34886","000-12192","000-12192","000-12192","000-12192","033-35625","033-60763","000-12192","000-12192"],"filmNumber":["98591212","98590542","98590521","98590508","98590498","98590535","98590511","98590564","98590503","98587293","98587287","98583769","98569761","98567305","98537403","98530199","98525355","98526114","98525960","98523157","98520305","98508573","98508563","98502220","97737725","97679470","97651953","97636661","97636619","97636677","97633081","97633075","97633070","97621507","97616771","97616764","97614503","97597902","97598182","97592561","97587868","97582616","97558937","97558936","97542725","97542730","97535133","97529506","97513320","97513041","97513335","97513379","97508031","97508034","97508028","96680350","96667767","96667668","96645371","96645361","96638839","96638829","96634859","96634862","96629045","96620512","96620491","96595858","96595853","96591731","96591730","96591729","96591722","96590152","96590145","96581318","96581315","96579203","96574437","96570372","96570340","96554356","96551673","96521802","96515000","96512132","96508634","96508633","96508632","96501874","95601281","95594725","95570809","95553435","95551411","95543588","95535119"],"items":["","","","","","","","","","","","","","","","","","","","","5,7","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","1","","5","","","","",""],"core_type":["4","4","4","4","4","4","4","4","4","SC 13D/A","SC 13D","15-12G","SC 13D/A","4","SC 13G","SC 13G/A","3","SC 13D","SC 13G","SC 13G/A","8-K","SC 13G/A","SC 13G/A","4","10-Q","10-Q","4","4","4","S-8 POS","S-8","S-8","S-8","10-Q","4","4","SC 13D/A","4","4","DEF 14A","10-K405","4","4","4","4","4","SC 13G","SC 13G/A","SC 13D/A","4","SC 13G/A","SC 13G/A","4","4","4","10-Q","4","4","4","4","4","4","4","4","10-Q","4","4","4","4","4","4","4","4","4","4","4","4","10-Q","4","4","4","DEF 14A","10-K405","SC 13G","SC 13G/A","SC 13G/A","SC 13G/A","SC 13G/A","SC 13D/A","8-K","10-Q","8-K","10-Q","S-8 POS","S-8","10-Q","DEF 14A"],"size":[7316,7343,7706,8431,8552,8109,10150,10515,8145,8594,19020,3648,41851,7940,9509,9429,6369,13631,10946,9440,259094,9417,7957,6753,32268,34886,6770,7408,7374,5017,12951,13403,22547,48388,13003,14160,20242,7060,8997,99716,117112,6621,7168,8965,7331,9132,9363,9438,18453,7093,8740,7739,7161,7030,8829,33128,7176,8975,7108,8905,6845,7645,7104,8902,29303,7104,8902,7105,8902,7128,7128,7128,7094,6723,7352,7102,8889,27964,6724,8903,6982,45999,120174,9051,7465,7456,8710,7570,17534,3274,27615,296256,27307,5130,19920,25381,79805],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"primaryDocDescription":["FORM 4 - 3/26/98","FORM 4 - 3/26/98","FORM 4 - 3/26/98","FORM 4 - 3/26/98","FORM 4 - 3/26/98","FORM 4 - 3/26/98","FORM 4 - 3/26/98","FORM 4 - 3/26/98","FORM 4 - 3/26/98","","","BGS SYSTEMS, INC.","BGS SYSTEMS, INC.","FORM 4 - 3/6/98","SCHEDULE 13G","13G FILING","FORM 3 - 11/14/97","BMC SOFTWARE INC. FOR BGS SYSTEMS, INC.","","","BGS SYSTEMS, INC.","","","FORM 4 - 12/31/97","","","FORM 4 - 7/11/97","FORM 4 - 6/97","FORM 4 - 6/97","","","","","","","","","FORM 4 - 4/97","FORM 4 - 4/97","BGS SYSTEMS DEF 14A","BGS SYSTEMS, INC. FORM 10-K(405)","FORM 4 - 4/97","FORM 4 - 3/97","FORM 4 - 3/97","FORM 4 - 2/97","FORM 4 - 2/97","SCHEDULE 13G","13G FILING","","FORM 4 - 1/97","","","FORM 4 - 1/97","FORM 4 - 1/97","FORM 4 - 1/97","","FORM 4 - 11/96","FORM 4 - 11/96","FORM 4 - 10/96","FORM 4 - 10/96","FORM 4 - 10/96","FORM 4 - 9/96","FORM 4 - 9/96","FORM 4 - 9/96","","FORM 4 - 8/96","FORM 4 - 8/96","FORM 4 - 7/96","FORM 4 - 7/96","FORM 4 - 6/96","FORM 4 - 6/96","FORM 4 - 6/96","FORM 4 - 6/96","FORM 4 - 6/96","FORM 4 - 6/96","FORM 4 - 6/96","FORM 4 - 6/96","","FORM 4 - 5/96","FORM 4 - 5/96","FORM 4 - 5/1996","BGS SYSTEMS, INC.","BGS SYSTEMS, INC. ANNUAL REPORT ON FORM 10-K","FLEET FINANCIAL GROUP/BGS SYSTEMS INC","13G FILING","13G FORM","","","","","","","","","","","DEFINITIVE NOTICE & PROXY STATEMENT"]},"files":[]}}