Every material Form 8-K Arch Capital 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.
Arch Reinsurance Ltd., a wholly-owned subsidiary of Arch Capital Group, signed Amendment No. 5 to its letter of credit facility with Lloyds Bank Corporate Markets plc on October 29, 2025. The amended agreement provides a $700 million facility for letters of credit and extends the Availability Period to May 31, 2026 from May 31, 2025, along with an extension of letters of credit for the 2026 underwriting year.
Amended facility provides $700 million for letters of credit.
Availability Period end date extended from May 31, 2025 to May 31, 2026.
Letters of credit extended for the 2026 underwriting year of account.
Amendment dated October 29, 2025; filed November 3, 2025.
Arch Capital Group reported third-quarter 2025 net income available to common shareholders of $1.3 billion, or $3.56 per diluted share, up from $1.0 billion, or $2.56 per share, a year earlier. Net premiums earned rose 7.9% to $4,285 million and the combined ratio improved to 79.8% from 86.6%, while gross premiums written fell 0.6%. The company also repurchased shares worth approximately $732 million in the quarter.
Net income per diluted share was $3.56, versus $2.56 in the 2024 third quarter; after-tax operating income per share was $2.77, versus $1.99.
Combined ratio was 79.8%, versus 86.6% a year earlier; current accident year catastrophic losses were $72 million.
Share repurchases totaled approximately $732 million; book value per common share was $62.32 at September 30, 2025.
Gross premiums written were $5,410 million, down 0.6% from $5,440 million.
Arch Capital Group reported second-quarter 2025 net income available to common shareholders of $1.2 billion, or $3.23 per diluted share, down from $1.3 billion, or $3.30 per share, a year earlier. Operating income was $979 million, or $2.58 per share, roughly flat with $2.57 per share in the 2024 quarter, while net premiums earned rose 21.7% and book value per share reached $59.17. The mixed results reflect higher premium volume and underwriting income offset by a weaker combined ratio and lower reported net income.
Net income available to common shareholders was $1.2 billion, or $3.23 per share, vs. $1.3 billion, or $3.30 per share, in the second quarter of 2024.
After-tax operating income was $979 million, or $2.58 per share, vs. $981 million, or $2.57 per share, a year earlier.
Underwriting income rose 7.3% to $818 million, and the combined ratio excluding catastrophic activity and prior year development was 80.9%, up from 76.7%.
Share repurchases totaled approximately $163 million, and book value per common share was $59.17 at June 30, 2025, up 7.3% from March 31, 2025.
Arch Capital Group reported first-quarter 2025 net income available to common shareholders of $564 million, or $1.48 per diluted share, down from $1.1 billion, or $2.92 per share, a year earlier. Results were hit by $547 million in pre-tax catastrophic losses, primarily related to the California wildfires, which pushed underwriting income down 43.3% to $417 million. Shareholders also saw book value per common share rise 3.8% to $55.15.
Net income available to common shareholders was $564 million, or $1.48 per share, versus $1.1 billion, or $2.92 per share, in the first quarter of 2024.
After-tax operating income was $587 million, or $1.54 per share, versus $933 million, or $2.45 per share, a year earlier.
Pre-tax current accident year catastrophic losses were $547 million, primarily related to the California wildfires.
Share repurchases totaled approximately $196 million in the quarter.
Arch Capital reported fourth-quarter 2024 net income available to common shareholders of $925 million, or $2.42 per diluted share, versus $2.3 billion, or $6.12 per share, a year earlier; the prior-year figure included a $1.18 billion deferred tax benefit. Net premiums earned rose 23.9% to $4.1 billion, but underwriting income fell 12.6% to $625 million as the combined ratio rose to 85.0% from 78.9%, driven by Hurricanes Milton and Helene. The company also estimated its share of the California wildfire insured loss at $450 million to $550 million.
Net income available to common shareholders was $925 million ($2.42 per share), versus $2.3 billion ($6.12 per share) in Q4 2023.
After-tax operating income was $866 million ($2.26 per share), versus $945 million ($2.49 per share) a year earlier.
Net premiums earned rose 23.9% to $4.1 billion; underwriting income fell 12.6% to $625 million and the combined ratio was 85.0% versus 78.9%.
Estimated share of California wildfire insured loss is $450 million to $550 million; book value per share was $53.11 at December 31, 2024, after a $5.00 special dividend paid December 4, 2024.
Arch Capital Group Ltd. (ACGL) appointed Alexander Moczarski as a Class III director, effective February 4, 2025, with no committee assignment at this time. The filing describes a board addition rather than a change in financial results, guidance or operations.
Board unanimously approved Alexander Moczarski's appointment on February 4, 2025 as a Class III director.
Mr. Moczarski has not been appointed to any Board committee at this time.
He previously served as Chairman of Marsh McLennan Companies, International, and has over 45 years of global insurance experience.
He will receive the same cash and equity compensation as ACGL's other non-employee directors.
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 Arch Capital filing is on SEC EDGAR ↗. 8-K briefs of other companies →