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 |
|---|---|---|---|---|---|---|
| Jun 11, 2026 | LaLonde Timothy Gilbert | Chief Financial Officer | Sell(S) | 8K | $343.06 | $2.7M |
| Jun 10, 2026 | Williamson Sarah K | Director | Grant(A) | 727 | — | $0 |
| Jun 10, 2026 | Millard Robert B | Director | Grant(A) | 815 | — | $0 |
| Jun 10, 2026 | Carlton Pamela G | Director | Grant(A) | 364 | — | $0 |
| Jun 10, 2026 | Futter Ellen V | Director | Grant(A) | 364 | — | $0 |
| Jun 10, 2026 | Harris Gail Block | Director | Grant(A) | 364 | — | $0 |
| Jun 10, 2026 | Overlock Wilard J JR | Director | Grant(A) | 727 | — | $0 |
| Jun 10, 2026 | Robertson Sir Simon | Director | Grant(A) | 364 | — | $0 |
| Jun 10, 2026 | Varney Christine A | Director | Grant(A) | 727 | — | $0 |
| Jun 10, 2026 | Wheeler William J | Director | Grant(A) | 364 | — | $0 |
| Mar 6, 2026 | Williamson Sarah K | Director | Buy(P) | 2K | $290.43 | $581K |
| Feb 19, 2026 | Altman Roger C | Founder and Senior Chairman, Director | Grant(A) | 30K | — | $0 |
| Feb 19, 2026 | Klurfeld Jason | General Counsel | Grant(A) | 9K | — | $0 |
| Feb 19, 2026 | LaLonde Timothy Gilbert | Chief Financial Officer | Grant(A) | 12K | — | $0 |
| Feb 19, 2026 | Lindsey-Clark Matthew | Co-Head EMEA IB | Grant(A) | 8K | — | $0 |
| Feb 19, 2026 | Pensa Paul | Contr, Prin. Acct.Officer | Grant(A) | 2K | — | $0 |
| Feb 19, 2026 | Weinberg John S | CEO/Chairman, Director | Grant(A) | 32K | — | $0 |
| Feb 13, 2026 | Klurfeld Jason | General Counsel | Tax withholding(F) | 374 | $328.56 | $123K |
| Feb 6, 2026 | Klurfeld Jason | General Counsel | Sell(S) | 5K | $360.00 | $1.8M |
| Feb 5, 2026 | Pensa Paul | Contr, Prin. Acct.Officer | Sell(S) | 1K | $350.31 | $508K |
| Feb 4, 2026 | LaLonde Timothy Gilbert | Chief Financial Officer | Tax withholding(F) | 7K | $346.23 | $2.5M |
| Feb 4, 2026 | Weinberg John S | CEO/Chairman, Director | Tax withholding(F) | 13K | $346.23 | $4.6M |
| Feb 4, 2026 | Lindsey-Clark Matthew | Co-Head EMEA IB | Tax withholding(F) | 4K | $346.23 | $1.2M |
| Feb 4, 2026 | Pensa Paul | Contr, Prin. Acct.Officer | Tax withholding(F) | 1K | $346.23 | $435K |
| Feb 4, 2026 | Klurfeld Jason | General Counsel | Tax withholding(F) | 5K | $346.23 | $1.8M |
| Feb 4, 2026 | Altman Roger C | Founder and Senior Chairman, Director | Tax withholding(F) | 14K | $346.23 | $4.7M |
| Dec 31, 2025 | LaLonde Timothy Gilbert | Chief Financial Officer | Option exercise(M) | 150K | — | $0 |
| Dec 31, 2025 | LaLonde Timothy Gilbert | Chief Financial Officer | Option exercise(M) | 100K | — | $0 |
| Dec 9, 2025 | Carlton Pamela G | Director | Sell(S) | 192 | $343.11 | $66K |
| Nov 6, 2025 | Altman Roger C | Founder and Senior Chairman, Director | Gift(G) | 33K | — | — |
| Sep 5, 2025 | Harris Gail Block | Director | Gift(G) | 33 | — | $0 |
| Aug 22, 2025 | Altman Roger C | Founder and Senior Chairman, Director | Gift(G) | 33K | — | — |
| Aug 5, 2025 | LaLonde Timothy Gilbert | Chief Financial Officer | Sell(S) | 8K | $295.44 | $2.5M |
| Aug 1, 2025 | Klurfeld Jason | General Counsel | Sell(S) | 6K | $285.85 | $1.6M |
| Jul 31, 2025 | Altman Roger C | Founder and Senior Chairman, Director | Gift(G) | 23K | — | — |
| Jun 11, 2025 | Carlton Pamela G | Director | Grant(A) | 527 | — | $0 |
| Jun 11, 2025 | Robertson Sir Simon | Director | Grant(A) | 527 | — | $0 |
| Jun 11, 2025 | Harris Gail Block | Director | Grant(A) | 527 | — | $0 |
| Jun 11, 2025 | Overlock Wilard J JR | Director | Grant(A) | 1K | — | $0 |
| Jun 11, 2025 | Wheeler William J | Director | Grant(A) | 527 | — | $0 |
| Jun 11, 2025 | Williamson Sarah K | Director | Grant(A) | 1K | — | $0 |
| Jun 11, 2025 | Millard Robert B | Director | Grant(A) | 1K | — | $0 |
| Jun 11, 2025 | Futter Ellen V | Director | Grant(A) | 527 | — | $0 |
| Mar 10, 2025 | Klurfeld Jason | General Counsel | Grant(A) | 30K | — | $0 |
| Feb 20, 2025 | Altman Roger C | Founder and Senior Chairman, Director | Grant(A) | 16K | — | $0 |
| Feb 20, 2025 | Klurfeld Jason | General Counsel | Grant(A) | 8K | — | $0 |
| Feb 20, 2025 | LaLonde Timothy Gilbert | Chief Financial Officer | Grant(A) | 12K | — | $0 |
| Feb 20, 2025 | Pensa Paul | Contr, Prin. Acct.Officer | Grant(A) | 2K | — | $0 |
| Feb 20, 2025 | Weinberg John S | CEO/Chairman, Director | Grant(A) | 23K | — | $0 |
| Feb 13, 2025 | Klurfeld Jason | General Counsel | Tax withholding(F) | 374 | $266.58 | $100K |
| Feb 12, 2025 | Altman Roger C | Founder and Senior Chairman, Director | Gift(G) | 16K | — | $0 |
| Feb 10, 2025 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 18K | $271.68 | $4.8M |
| Feb 7, 2025 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 21K | $277.20 | $5.9M |
| Feb 7, 2025 | Pensa Paul | Contr, Prin. Acct.Officer | Sell(S) | 2K | $281.23 | $524K |
| Feb 6, 2025 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 17K | $285.56 | $4.9M |
| Feb 4, 2025 | Klurfeld Jason | General Counsel | Tax withholding(F) | 5K | $285.66 | $1.5M |
| Feb 4, 2025 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Tax withholding(F) | 8K | $285.66 | $2.2M |
| Feb 4, 2025 | LaLonde Timothy Gilbert | Chief Financial Officer | Tax withholding(F) | 7K | $285.66 | $2.0M |
| Feb 4, 2025 | Altman Roger C | Founder and Senior Chairman, Director | Tax withholding(F) | 16K | $285.66 | $4.5M |
| Feb 4, 2025 | Pensa Paul | Contr, Prin. Acct.Officer | Tax withholding(F) | 1K | $285.66 | $374K |
| Feb 4, 2025 | Weinberg John S | CEO/Chairman, Director | Tax withholding(F) | 15K | $285.66 | $4.3M |
| Nov 22, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 21K | $310.52 | $6.5M |
| Nov 21, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 10K | $309.18 | $3.1M |
| Nov 20, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 11K | $299.09 | $3.2M |
| Nov 19, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 9K | $298.87 | $2.7M |
| Nov 18, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 11K | $298.55 | $3.3M |
| Nov 15, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 9K | $298.31 | $2.6M |
| Nov 14, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 11K | $300.08 | $3.3M |
| Nov 13, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 12K | $304.75 | $3.8M |
| Nov 12, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 10K | $308.32 | $3.2M |
| Nov 8, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 12K | $306.80 | $3.7M |
| Nov 7, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 34K | $308.83 | $10.5M |
| Nov 6, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Sell(S) | 50K | $316.38 | $15.8M |
| Oct 24, 2024 | Altman Roger C | Founder and Senior Chairman, Director | Gift(G) | 51K | — | — |
| Aug 21, 2024 | LaLonde Timothy Gilbert | Chief Financial Officer | Sell(S) | 4K | $238.72 | $895K |
| Jul 29, 2024 | Carlton Pamela G | Director | Sell(S) | 534 | $247.07 | $132K |
| Jul 26, 2024 | Altman Roger C | Founder and Senior Chairman, Director | Gift(G) | 17K | — | $0 |
| Jul 25, 2024 | Altman Roger C | Founder and Senior Chairman, Director | Conversion(C) | 17K | — | — |
| Jul 25, 2024 | Altman Roger C | Founder and Senior Chairman, Director | Conversion(C) | 17K | — | — |
| Jun 18, 2024 | Futter Ellen V | Director | Grant(A) | 639 | — | $0 |
| Jun 18, 2024 | Harris Gail Block | Director | Grant(A) | 639 | — | $0 |
| Jun 18, 2024 | Carlton Pamela G | Director | Grant(A) | 639 | — | $0 |
| Jun 18, 2024 | Millard Robert B | Director | Grant(A) | 639 | — | $0 |
| Jun 18, 2024 | Overlock Wilard J JR | Director | Grant(A) | 1K | — | $0 |
| Jun 18, 2024 | Robertson Sir Simon | Director | Grant(A) | 639 | — | $0 |
| Jun 18, 2024 | Wheeler William J | Director | Grant(A) | 639 | — | $0 |
| Jun 18, 2024 | Williamson Sarah K | Director | Grant(A) | 1K | — | $0 |
| Jun 13, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Gift(G) | 127K | — | $0 |
| May 17, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Gift(G) | 75 | — | $0 |
| May 16, 2024 | Altman Roger C | Founder and Senior Chairman, Director | Gift(G) | 20K | — | $0 |
| May 16, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Gift(G) | 26 | — | $0 |
| May 15, 2024 | Altman Roger C | Founder and Senior Chairman, Director | Conversion(C) | 20K | — | — |
| May 15, 2024 | Altman Roger C | Founder and Senior Chairman, Director | Conversion(C) | 20K | — | — |
| May 10, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Gift(G) | 52 | — | $0 |
| May 7, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Gift(G) | 131 | — | $0 |
| May 6, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Gift(G) | 1K | — | $0 |
| Feb 16, 2024 | Hyman Edward S | Vice Chair EVR & Chairman EISI | Gift(G) | 136 | — | $0 |
| Feb 14, 2024 | LaLonde Timothy Gilbert | Chief Financial Officer | Grant(A) | 17K | — | $0 |
| Feb 14, 2024 | Altman Roger C | Founder and Senior Chairman, Director | Grant(A) | 20K | — | $0 |
| Feb 14, 2024 | Weinberg John S | CEO/Chairman, Director | Grant(A) | 18K | — | $0 |
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 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).