Every material Form 8-K CoStar filed with the SEC in 2025, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.
CoStar Group reported third-quarter 2025 revenue of $834 million, up 20% from a year earlier, and raised its full-year 2025 adjusted EBITDA guidance to $415 million to $425 million. The company posted a GAAP net loss of $31 million, or $0.07 per diluted share, compared with net income of $53 million in the prior-year quarter, although non-GAAP net income rose 10% to $97 million.
Q3 2025 revenue was $834 million, up 20% from $693 million a year earlier
GAAP net loss was $31 million, or $0.07 per diluted share, versus net income of $53 million in Q3 2024
Adjusted EBITDA was $115 million in Q3, up 51% year over year
Full-year 2025 adjusted EBITDA guidance raised to $415 million to $425 million, a $40 million increase at the midpoint
CoStar Group reported second-quarter 2025 revenue of $781 million, up 15% from a year earlier, and raised its full-year 2025 adjusted EBITDA guidance to $370 million to $390 million. GAAP net income fell to $6 million, or $0.01 per diluted share, from $19 million, or $0.05, in the second quarter of 2024, so headline results point in different directions. Net new bookings were $93 million for the quarter, which the company described as an all-time high.
Q2 2025 revenue was $781 million, up 15% from $678 million in Q2 2024.
Net income was $6 million, or $0.01 per diluted share, versus $19 million, or $0.05, a year earlier.
Adjusted EBITDA was $85 million, up 108% from Q2 2024; full-year 2025 adjusted EBITDA guidance was raised to $370 million to $390 million, $10 million higher at the midpoint.
Full-year 2025 revenue is expected at $3.135 billion to $3.155 billion; third-quarter revenue is expected at $800 million to $805 million.
At its June 26, 2025 annual meeting, CoStar Group stockholders approved the 2025 Stock Incentive Plan, which replaces the 2016 plan and allows grants of options, stock appreciation rights, restricted stock and restricted stock units. Stockholders also re-elected eight directors, ratified Ernst & Young LLP as auditor for 2025, and approved the advisory say-on-pay resolution, while rejecting a stockholder proposal on political spending transparency.
2025 Stock Incentive Plan approved with 369,269,515 votes for and 7,968,343 against, replacing the 2016 plan, under which no further grants will be made
Advisory executive compensation resolution approved with 202,754,871 votes for and 174,302,322 against
Ernst & Young LLP ratified as independent auditor for fiscal year ending December 31, 2025, with 367,421,785 votes for
Stockholder proposal on transparency in political spending not approved, with 124,189,745 votes for and 251,384,311 against
CoStar Group signed a binding Scheme Implementation Deed to acquire the remaining shares of Australian property marketplace Domain Holdings it does not already own. The deal is subject to Domain shareholder, court and Foreign Investment Review Board approvals, and CoStar expects to spend about A$2.3 billion ($1.5 billion) to complete it.
Domain shareholders would receive A$4.43 cash per share, less any special dividend paid after May 9, 2025.
CoStar expects to spend about A$2.3 billion ($1.5 billion) for the roughly 83% of Domain it does not own; it bought about 17% in February 2025 for A$452 million ($285 million).
Controlling shareholder Nine Entertainment, with 60.1% of Domain shares, intends to vote in favor; the scheme meeting is expected in mid-August 2025, with implementation expected in the third quarter of 2025.
A break fee or reverse break fee of about A$28 million ($18 million) applies in certain circumstances.
CoStar Group reported first-quarter 2025 revenue of $732 million, up 12% from $656 million a year earlier, but swung to a net loss of $15 million, or $0.04 per diluted share, compared with net income of $7 million in the prior-year quarter. The company said the quarter included a $31 million negative impact tied to the Matterport acquisition, and it set full-year 2025 revenue guidance of $3.115 billion to $3.155 billion and adjusted EBITDA guidance of $355 million to $385 million.
Q1 2025 revenue was $732 million, up 12% from $656 million; adjusted EBITDA was $66 million, up 429% from Q1 2024.
Net loss was $15 million, or $0.04 per diluted share, including a $31 million negative impact associated with Matterport.
Full-year 2025 revenue outlook is $3.115 billion to $3.155 billion; Q2 2025 revenue outlook is $770 million to $775 million.
Full-year 2025 adjusted EBITDA outlook is $355 million to $385 million, including Matterport; Q2 2025 adjusted EBITDA outlook is $50 million to $60 million.
CoStar Group appointed Christine M. McCarthy, John Berisford and Rachel C. Glaser to its Board, and Louise S. Sams was named Chair, after Michael R. Klein, Christopher J. Nassetta and Laura C. Kaplan resigned from the Board. The company also formed a Capital Allocation Committee to review its capital structure, capital allocation and financial targets, and signed support agreements with D. E. Shaw and Third Point that include standstill and voting commitments, which matter to shareholders because they set governance changes and activist arrangements for the coming period.
McCarthy, Berisford and Glaser were elected to the Board effective April 6, 2025, and will receive an annual cash retainer of $50,000 and a restricted stock award with a grant date value of $250,000.
Klein, Nassetta and Kaplan resigned from the Board and their committee roles effective April 6, 2025; Klein also stepped down as Chairman, effective when the new directors were elected.
The four-member Capital Allocation Committee is chaired by Andrew Florance, with McCarthy, Berisford and Robert W. Musslewhite as members, and will review investment in Homes.com and the timeline for its profitability.
The support agreements with D. E. Shaw and Third Point, dated April 6, 2025, include standstill provisions during the Standstill Period and commit the investors to vote for Board nominees.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.
Only material 8-Ks get a brief: results, deals, executive changes, restructuring, impairments, delisting notices, restatements, cybersecurity incidents and other disclosed events. Routine filings (vote results, exhibits only) are skipped. Every CoStar filing is on SEC EDGAR ↗. 8-K briefs of other companies →