Updated Jul 16, 2026 · Last SEC filing 2026-06-15
ARCH CAPITAL GROUP LTD. (ACGL) has filed 14 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-15. 8 Form 8-K material event filings were reported by ACGL in the last 90 days. 2 Form 144 notices of proposed sale were filed for ACGL stock. InsiderAlpha tracks every ACGL SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000947484 |
|---|
| Form 4 filings (90d) | 14 |
|---|---|
| Form 8-K filings (90d) | 8 |
| Form 144 notices (90d) | 2 |
| Latest Form 4 filing | 2026-06-15 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| PASQUESI JOHN M | Insider | G — Bona-fide gift | 1.01M | $0.00 | — | SEC | |
| PASQUESI JOHN M | Insider | G — Bona-fide gift | 1.01M | $0.00 | — | SEC | |
| Posner Brian S | Director | S — Open-market sale | 3.0K | $19.66 | $59K | SEC | |
| Posner Brian S | Director | S — Open-market sale | 2.0K | $17.14 | $34K | SEC | |
| Ebong Francis | Director | A — Grant or award | 2.1K | — | — | SEC | |
| BUNCE JOHN L JR | Director | A — Grant or award | 2.1K | — | — | SEC | |
| BUNCE JOHN L JR | Director | A — Grant or award | 1.3K | — | — | SEC | |
| Triplett Neal F | Director | A — Grant or award | 1.3K | — | — | SEC | |
| Goodman Laurie | Director | A — Grant or award | 2.1K | — | — | SEC | |
| Triplett Neal F | Director | A — Grant or award | 2.1K | — | — | SEC | |
| MOCZARSKI ALEXANDER S | Director | A — Grant or award | 2.1K | — | — | SEC | |
| Houston Daniel Joseph | Director | A — Grant or award | 2.1K | — | — | SEC | |
| KILCOYNE MOIRA A. | Director | A — Grant or award | 1.3K | — | — | SEC | |
| KILCOYNE MOIRA A. | Director | A — Grant or award | 2.1K | — | — | SEC | |
| MALLESCH EILEEN A | Director | A — Grant or award | 2.1K | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for ARCH CAPITAL GROUP LTD. (ACGL). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| PASQUESI JOHN M | 5 | — |
| Houston Daniel Joseph | 3 | $499K |
| Posner Brian S | 3 | $93K |
| Triplett Neal F | 2 | — |
| BUNCE JOHN L JR | 2 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ACGL insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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