The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 10, 2026 | Goldberg Leonard R | Director | Buy(P) | 6K | $15.42 | $93K |
| Aug 7, 2026 | Goldberg Leonard R | Director | Buy(P) | 6K | $15.62 | $94K |
| Aug 7, 2026 | Warszawski Ariel | Director | Grant(A) | 14K | — | $0 |
| Aug 7, 2026 | Goldberg Leonard R | Director | Grant(A) | 8K | — | $0 |
| Aug 7, 2026 | Isaacs Ian | Director | Grant(A) | 8K | — | $0 |
| Aug 7, 2026 | Ferrari Johnny | Director | Grant(A) | 8K | — | $0 |
| Aug 7, 2026 | Guest Victoria W | Director | Grant(A) | 8K | — | $0 |
| Aug 7, 2026 | Murphy Bryan | Director | Grant(A) | 8K | — | $0 |
| Aug 7, 2026 | Platt Joseph P JR | Director | Grant(A) | 8K | — | $0 |
| Aug 7, 2026 | Foley Ursuline F | Director | Grant(A) | 8K | — | $0 |
| Aug 3, 2026 | Einhorn David | Director, 10% Owner | Disposed to issuer(D) | 106K | $16.14 | $1.7M |
| Jun 29, 2026 | Isaacs Ian | Director | Sell(S) | 1K | $16.72 | $20K |
| Jun 25, 2026 | Isaacs Ian | Director | Sell(S) | 4K | $16.06 | $64K |
| Jun 24, 2026 | Isaacs Ian | Director | Sell(S) | 5K | $16.64 | $83K |
| Jun 23, 2026 | Isaacs Ian | Director | Sell(S) | 9K | $16.33 | $151K |
| Jun 23, 2026 | O'brien Patrick | Chief Operating Officer | Sell(S) | 3K | $16.36 | $50K |
| Jun 22, 2026 | Isaacs Ian | Director | Sell(S) | 2K | $15.92 | $27K |
| May 26, 2026 | Platt Joseph P JR | Director | Sell(S) | 12K | $16.87 | $198K |
| May 19, 2026 | Platt Joseph P JR | Director | Sell(S) | 24K | $18.01 | $425K |
| May 14, 2026 | Sigmon David | General Counsel | Sell(S) | 8K | $17.33 | $130K |
| May 14, 2026 | Platt Joseph P JR | Director | Sell(S) | 12K | $17.50 | $210K |
| May 13, 2026 | Platt Joseph P JR | Director | Sell(S) | 820 | $17.50 | $14K |
| May 12, 2026 | Platt Joseph P JR | Director | Sell(S) | 7K | $17.50 | $119K |
| May 8, 2026 | Sigmon David | General Counsel | Grant(A) | 5K | — | $0 |
| Mar 13, 2026 | Archambault Steven | Chief Accounting Officer | Grant(A) | 6K | — | $0 |
| Mar 13, 2026 | Curnock Thomas James | Grp Chief Underwriting Officer | Grant(A) | 9K | — | $0 |
| Mar 13, 2026 | O'brien Patrick | Chief Operating Officer | Grant(A) | 9K | — | $0 |
| Mar 13, 2026 | Romer Faramarz | Chief Financial Officer | Grant(A) | 8K | — | $0 |
| Mar 13, 2026 | Richardson Greg | Chief Executive Officer, Director | Grant(A) | 26K | — | $0 |
| Mar 13, 2026 | Diaz Sherry | Controller | Grant(A) | 4K | — | $0 |
| Mar 13, 2026 | OReilly Brian Joseph | Head of Innovations | Grant(A) | 6K | — | $0 |
| Mar 13, 2026 | Strommer Richard Paul | Chief Actuary | Grant(A) | 5K | — | $0 |
| Mar 9, 2026 | O'brien Patrick | Chief Operating Officer | Grant(A) | 32K | — | $0 |
| Mar 9, 2026 | Strommer Richard Paul | Chief Actuary | Sell(S) | 3K | — | $0 |
| Mar 9, 2026 | OReilly Brian Joseph | Head of Innovations | Sell(S) | 2K | — | $0 |
| Mar 9, 2026 | Curnock Thomas James | Grp Chief Underwriting Officer | Sell(S) | 7K | — | $0 |
| Mar 9, 2026 | Romer Faramarz | Chief Financial Officer | Sell(S) | 3K | — | $0 |
| Mar 9, 2026 | Diaz Sherry | Controller | Sell(S) | 987 | — | $0 |
| Nov 20, 2025 | Foley Ursuline F | Director | Buy(P) | 5K | $12.92 | $65K |
| Nov 18, 2025 | Platt Joseph P JR | Director | Buy(P) | 5K | $12.97 | $65K |
| Nov 7, 2025 | Curnock Thomas James | Grp Chief Underwriting Officer | Sell(S) | 10K | $12.58 | $125K |
| Nov 7, 2025 | Richardson Greg | Chief Executive Officer, Director | Buy(P) | 20K | $12.92 | $258K |
| Nov 6, 2025 | Richardson Greg | Chief Executive Officer, Director | Buy(P) | 30K | $12.63 | $379K |
| Sep 17, 2025 | Isaacs Ian | Director | Sell(S) | 8K | $12.79 | $107K |
| Aug 8, 2025 | Curnock Thomas James | Grp Chief Underwriting Officer | Sell(S) | 12K | $12.93 | $149K |
| Aug 7, 2025 | Platt Joseph P JR | Director | Grant(A) | 8K | — | — |
| Aug 7, 2025 | Guest Victoria W | Director | Grant(A) | 8K | — | — |
| Aug 7, 2025 | Goldberg Leonard R | Director | Grant(A) | 8K | — | — |
| Aug 7, 2025 | Ferrari Johnny | Director | Grant(A) | 8K | — | — |
| Aug 7, 2025 | Foley Ursuline F | Director | Grant(A) | 8K | — | — |
| Aug 7, 2025 | Isaacs Ian | Director | Grant(A) | 8K | — | — |
| Aug 7, 2025 | Murphy Bryan | Director | Grant(A) | 8K | — | — |
| Jun 25, 2025 | Isaacs Ian | Director | Sell(S) | 13K | $14.92 | $194K |
| Jun 16, 2025 | Isaacs Ian | Director | Sell(S) | 3K | $14.52 | $36K |
| May 14, 2025 | O'brien Patrick | Chief Operating Officer | Sell(S) | 5K | $13.22 | $66K |
| May 13, 2025 | O'brien Patrick | Chief Operating Officer | Sell(S) | 8K | $13.26 | $99K |
| May 12, 2025 | O'brien Patrick | Chief Operating Officer | Sell(S) | 8K | $13.48 | $101K |
| Mar 26, 2025 | OReilly Brian Joseph | Head of Innovations | Sell(S) | 8K | $14.00 | $112K |
| Mar 14, 2025 | Archambault Steven | Chief Accounting Officer | Grant(A) | 5K | — | $0 |
| Mar 14, 2025 | Curnock Thomas James | Grp Chief Underwriting Officer | Grant(A) | 9K | — | $0 |
| Mar 14, 2025 | O'brien Patrick | Chief Operating Officer | Grant(A) | 9K | — | $0 |
| Mar 14, 2025 | OReilly Brian Joseph | Head of Innovations | Grant(A) | 6K | — | $0 |
| Mar 14, 2025 | Richardson Greg | Chief Executive Officer, Director | Grant(A) | 30K | — | $0 |
| Mar 14, 2025 | Diaz Sherry | Controller | Grant(A) | 4K | — | $0 |
| Mar 14, 2025 | Romer Faramarz | Chief Financial Officer | Grant(A) | 9K | — | $0 |
| Mar 14, 2025 | Sigmon David | General Counsel | Grant(A) | 5K | — | $0 |
| Mar 14, 2025 | Strommer Richard Paul | Chief Actuary | Grant(A) | 4K | — | $0 |
| Mar 10, 2025 | Diaz Sherry | Controller | Sell(S) | 4K | — | $0 |
| Mar 10, 2025 | OReilly Brian Joseph | Head of Innovations | Sell(S) | 14K | — | $0 |
| Mar 10, 2025 | Romer Faramarz | Chief Financial Officer | Sell(S) | 17K | — | $0 |
| Mar 10, 2025 | Strommer Richard Paul | Chief Actuary | Sell(S) | 4K | — | $0 |
| Mar 10, 2025 | Curnock Thomas James | Group CUO | Sell(S) | 33K | — | $0 |
| Mar 10, 2025 | O'brien Patrick | Chief Operating Officer | Grant(A) | 29K | — | $0 |
| Sep 27, 2024 | Isaacs Ian | Director | Sell(S) | 7K | $13.81 | $99K |
| Sep 26, 2024 | Isaacs Ian | Director | Sell(S) | 2K | $13.99 | $26K |
| Aug 9, 2024 | Goldberg Leonard R | Director | Grant(A) | 8K | — | $0 |
| Aug 9, 2024 | Ferrari Johnny | Director | Grant(A) | 8K | — | $0 |
| Aug 9, 2024 | Guest Victoria W | Director | Grant(A) | 8K | — | $0 |
| Aug 9, 2024 | Platt Joseph P JR | Director | Grant(A) | 8K | — | $0 |
| Aug 9, 2024 | Foley Ursuline F | Director | Grant(A) | 8K | — | $0 |
| Aug 9, 2024 | Isaacs Ian | Director | Grant(A) | 8K | — | $0 |
| Aug 9, 2024 | Murphy Bryan | Director | Grant(A) | 8K | — | $0 |
| Mar 27, 2024 | Isaacs Ian | Director | Sell(S) | 9K | $12.00 | $108K |
| Mar 15, 2024 | OReilly Brian Joseph | Head of Innovations | Grant(A) | 6K | — | $0 |
| Mar 15, 2024 | Romer Faramarz | Chief Financial Officer | Grant(A) | 9K | — | $0 |
| Mar 15, 2024 | Curnock Thomas James | Chief Risk Officer | Grant(A) | 9K | — | $0 |
| Mar 15, 2024 | O'brien Patrick | Insider | Grant(A) | 8K | — | $0 |
| Mar 15, 2024 | Sigmon David | General Counsel | Grant(A) | 4K | — | $0 |
| Mar 15, 2024 | Diaz Sherry | Controller | Grant(A) | 4K | — | $0 |
| Mar 15, 2024 | Strommer Richard Paul | Chief Actuary | Grant(A) | 4K | — | $0 |
| Jan 4, 2024 | Richardson Greg | Chief Executive Officer, Director | Grant(A) | 250K | — | $0 |
| Aug 7, 2023 | Foley Ursuline F | Director | Grant(A) | 9K | — | $0 |
| Aug 7, 2023 | Ferrari Johnny | Director | Grant(A) | 9K | — | $0 |
| Aug 7, 2023 | Goldberg Leonard R | Director | Grant(A) | 9K | — | $0 |
| Aug 7, 2023 | Guest Victoria W | Director | Grant(A) | 9K | — | $0 |
| Aug 7, 2023 | Isaacs Ian | Director | Grant(A) | 9K | — | $0 |
| Aug 7, 2023 | Murphy Bryan | Director | Grant(A) | 9K | — | $0 |
| Aug 7, 2023 | Platt Joseph P JR | Director | Grant(A) | 9K | — | $0 |
| Jul 25, 2023 | Einhorn David | Director, 10% Owner | Other(J) | 4.9M | — | — |
| Jul 25, 2023 | Einhorn David | Director, 10% Owner | Other(J) | 1.4M | — | — |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2009-03-30 → 2026-08-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for GLRE