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 |
|---|---|---|---|---|---|---|
| Jul 16, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $416.05 | $416 |
| Jul 15, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $414.13 | $414 |
| Jul 14, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $408.37 | $408 |
| Jul 13, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $411.10 | $411 |
| Jul 10, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $385.84 | $386 |
| Jul 9, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $400.13 | $400 |
| Jul 8, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $397.47 | $397 |
| Jul 7, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $400.67 | $401 |
| Jul 6, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $408.89 | $409 |
| Jul 2, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $402.64 | $403 |
| Jul 1, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $426.00 | $426 |
| Jun 30, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $435.74 | $436 |
| Jun 29, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $410.88 | $411 |
| Jun 26, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $397.48 | $397 |
| Jun 25, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $388.58 | $389 |
| Jun 24, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $374.10 | $374 |
| Jun 23, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $370.60 | $371 |
| Jun 22, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $351.33 | $351 |
| Jun 18, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $355.47 | $355 |
| Jun 17, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $356.60 | $357 |
| Jun 16, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $356.31 | $356 |
| Jun 15, 2026 | Doyle Peter | Director | Buy(P) | 4 | $381.95 | $2K |
| Jun 15, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $369.40 | $369 |
| Jun 12, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $384.53 | $385 |
| Jun 11, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $370.47 | $370 |
| Jun 10, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $380.37 | $380 |
| Jun 9, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $386.62 | $387 |
| Jun 8, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $402.65 | $403 |
| Jun 8, 2026 | Steddum Chris | Chief Financial Officer | Sell(S) | 730 | $400.21 | $292K |
| Jun 8, 2026 | Steddum Chris | Chief Financial Officer | Sell(S) | 100 | $401.18 | $40K |
| Jun 5, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $394.84 | $395 |
| Jun 5, 2026 | Steddum Chris | Chief Financial Officer | Sell(S) | 3K | $400.25 | $1.3M |
| Jun 4, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $406.73 | $407 |
| Jun 3, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $406.72 | $407 |
| Jun 2, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $368.20 | $368 |
| Jun 1, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $387.38 | $387 |
| May 29, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $395.39 | $395 |
| May 28, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $406.26 | $406 |
| May 27, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $404.86 | $405 |
| May 26, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $402.90 | $403 |
| May 22, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $400.85 | $401 |
| May 21, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $396.43 | $396 |
| May 20, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 2 | $395.93 | $792 |
| May 19, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 2 | $390.21 | $780 |
| May 18, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $385.14 | $385 |
| May 15, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $387.62 | $388 |
| May 14, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $385.21 | $385 |
| May 13, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $381.10 | $381 |
| May 12, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $393.71 | $394 |
| May 11, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Grant(A) | 1 | $401.44 | $401 |
| May 8, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Grant(A) | 1 | $402.00 | $402 |
| May 8, 2026 | Doyle Peter | Director | Grant(A) | 254 | — | $0 |
| May 7, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $401.32 | $401 |
| May 6, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $419.02 | $419 |
| May 5, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $432.71 | $433 |
| May 4, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $438.69 | $439 |
| May 1, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $433.13 | $433 |
| Apr 30, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $436.80 | $437 |
| Apr 29, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $435.76 | $436 |
| Apr 28, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $435.73 | $436 |
| Apr 27, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $436.44 | $436 |
| Apr 24, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $435.40 | $435 |
| Apr 23, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $436.73 | $437 |
| Apr 22, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $437.87 | $438 |
| Apr 21, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $441.84 | $442 |
| Apr 20, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $427.65 | $428 |
| Apr 17, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $419.94 | $420 |
| Apr 16, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $424.47 | $424 |
| Apr 15, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $419.26 | $419 |
| Apr 14, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $413.96 | $414 |
| Apr 13, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $414.88 | $415 |
| Apr 10, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $407.06 | $407 |
| Apr 9, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $401.64 | $402 |
| Apr 8, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 3 | $449.00 | $1K |
| Apr 7, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $447.12 | $447 |
| Apr 6, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $443.42 | $443 |
| Apr 2, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $443.26 | $443 |
| Apr 1, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $454.04 | $454 |
| Mar 31, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $470.18 | $470 |
| Mar 30, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $494.25 | $494 |
| Mar 27, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $518.21 | $518 |
| Mar 26, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $526.13 | $526 |
| Mar 25, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $538.37 | $538 |
| Mar 24, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $534.94 | $535 |
| Mar 23, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $529.07 | $529 |
| Mar 20, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $533.81 | $534 |
| Mar 19, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $527.28 | $527 |
| Mar 18, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $531.96 | $532 |
| Mar 17, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $525.47 | $525 |
| Mar 16, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $524.58 | $525 |
| Mar 13, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $529.10 | $529 |
| Mar 12, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $532.02 | $532 |
| Mar 11, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $523.28 | $523 |
| Mar 10, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $526.83 | $527 |
| Mar 9, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $527.22 | $527 |
| Mar 6, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $526.43 | $526 |
| Mar 5, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $529.46 | $529 |
| Mar 4, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $530.21 | $530 |
| Mar 3, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $522.34 | $522 |
| Mar 2, 2026 | Horizon Kinetics Asset Management LLC | 10% Owner | Buy(P) | 1 | $524.01 | $524 |
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 2021-01-04 → 2026-07-18. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).