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Mailing Address 1331 L STREET, NW WASHINGTON DC 20005
Business Address 1331 L STREET, NW WASHINGTON DC 20005 2023466500
COSTAR GROUP, INC. CIK#: 0001057352 (see all company filings)

SIC: 7389 - SERVICES-BUSINESS SERVICES, NEC
State location: DC | State of Inc.: DE | Fiscal Year End: 1231
formerly: COSTAR GROUP INC (filings through 2019-06-25)
formerly: REALTY INFORMATION GROUP INC (filings through 1999-05-05)
(CF Office: 07 Trade & Services)
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Items 1 - 40  0001057352 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001057352-24-000013 (34 Act)  Size: 13 MB
2024-02-22 000-24531
24661494
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001193125-24-040767 (34 Act)  Size: 25 MB
2024-02-21 000-24531
24656445
8-K  Documents   Interactive Data Current report, items 2.02, 5.02, and 9.01
Acc-no: 0001193125-24-040030 (34 Act)  Size: 501 KB
2024-02-20 000-24531
24654012
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-020690 (34 Act)  Size: 13 KB
2024-02-13 005-54369
24627869
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-003367 (34 Act)  Size: 13 KB
2024-01-25 005-54369
24561139
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001057352-23-000127 (34 Act)  Size: 7 MB
2023-10-25 000-24531
231345482
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001193125-23-261675 (34 Act)  Size: 27 MB
2023-10-24 000-24531
231342861
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001057352-23-000118 (34 Act)  Size: 165 KB
2023-08-01 000-24531
231129865
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001057352-23-000111 (34 Act)  Size: 9 MB
2023-07-26 000-24531
231113361
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001057352-23-000108 (34 Act)  Size: 676 KB
2023-07-25 000-24531
231108664
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001057352-23-000091 (34 Act)  Size: 209 KB
2023-06-12 000-24531
231008409
PX14A6G  Documents Notice of exempt solicitation submitted by non-management
Acc-no: 0001214659-23-006928 (34 Act)  Size: 102 KB
2023-05-12 000-24531
23915105
ARS  Documents Annual Report to Security Holders
Acc-no: 0001057352-23-000079 (34 Act)  Size: 3 MB
2023-04-27 000-24531
23858130
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-23-122467 (34 Act)  Size: 802 KB
2023-04-27 000-24531
23858014
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-23-122453 (34 Act)  Size: 15 MB
2023-04-27 000-24531
23857960
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001057352-23-000075 (34 Act)  Size: 6 MB
2023-04-26 000-24531
23850107
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001057352-23-000072 (34 Act)  Size: 628 KB
2023-04-25 000-24531
23844916
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001057352-23-000030 (34 Act)  Size: 13 MB
2023-02-22 000-24531
23653725
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001057352-23-000026 (34 Act)  Size: 757 KB
2023-02-21 000-24531
23648195
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000080255-23-002543 (34 Act)  Size: 7 KB
2023-02-14 005-54369
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-015713 (34 Act)  Size: 12 KB
2023-02-09 005-54369
23602823
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-004574 (34 Act)  Size: 13 KB
2023-01-30 005-54369
23567681
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001057352-22-000121 (34 Act)  Size: 8 MB
2022-10-26 000-24531
221333634
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001057352-22-000115 (34 Act)  Size: 748 KB
2022-10-25 000-24531
221329582
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-22-107567 (34 Act)  Size: 12 KB
2022-10-11 005-54369
221302830
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001193125-22-247697 (34 Act)  Size: 394 KB
2022-09-20 000-24531
221253783
424B2  Documents Prospectus [Rule 424(b)(2)]
Acc-no: 0001193125-22-247092 (33 Act)  Size: 587 KB
2022-09-19 333-238500
221250702
FWP  Documents Filing under Securities Act Rules 163/433 of free writing prospectuses
Acc-no: 0001193125-22-244227 (34 Act)  Size: 13 KB
2022-09-14 333-238500
221242045
424B2  Documents Prospectus [Rule 424(b)(2)]
Acc-no: 0001193125-22-244225 (33 Act)  Size: 575 KB
2022-09-14 333-238500
221242043
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001057352-22-000084 (34 Act)  Size: 8 MB
2022-07-27 000-24531
221111021
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001057352-22-000081 (34 Act)  Size: 733 KB
2022-07-26 000-24531
221107231
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001057352-22-000075 (34 Act)  Size: 197 KB
2022-06-09 000-24531
221006636
8-K  Documents   Interactive Data Current report, item 5.03
Acc-no: 0001057352-22-000069 (34 Act)  Size: 401 KB
2022-05-09 000-24531
22903040
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001057352-22-000054 (34 Act)  Size: 7 MB
2022-04-28 000-24531
22861165
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001057352-22-000050 (34 Act)  Size: 660 KB
2022-04-26 000-24531
22854613
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001057352-22-000047 (34 Act)  Size: 352 KB
2022-04-25 000-24531
22850265
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001057352-22-000045 (34 Act)  Size: 1 MB
2022-04-25 000-24531
22850212
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001057352-22-000027 (34 Act)  Size: 13 MB
2022-02-23 000-24531
22664467
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001057352-22-000022 (34 Act)  Size: 796 KB
2022-02-22 000-24531
22658382
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000080255-22-001987 (34 Act)  Size: 6 KB
2022-02-14 005-54369