Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Mar 10, 2026
Reporting period
Not applicable
Filed with the SEC
Mar 12, 2026
OfficerOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
None found in footnotes
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001769539-26-000007
Filed / recorded
Mar 12, 2026, 8:29 PM UTC
Added to OQRO
Oct 2, 2026, 12:27 PM UTC
Parser
form4-xml-v1
Data quality
Verified: identifiers matched exactly
Issuer
ARCH CAPITAL GROUP LTD.
Issuer CIK
947484
Ticker
ACGL
Reporting person
David Gansberg
Relationship
Officer
Officer title
President, Arch Capital Group
Security
Stock Option (Right to Buy)
Table
Derivative (Table II)
Transaction date
Mar 10, 2026
Transaction code
M
Shares / units
10,770
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
0
Ownership form
Direct
Amendment
No
Footnotes from the filing
This stock option is exercisable in three equal annual installments commencing May 13, 2017, and the next two installments on May 13, 2018 and May 13, 2019, subject to the applicable award agreement.