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 1, 2026 | Wentworth Timothy C | Director | Grant(A) | 144 | — | $0 |
| Jun 4, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Option exercise(M) | 3K | $127.73 | $424K |
| Jun 4, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Option exercise(M) | 5K | $121.81 | $588K |
| Jun 4, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Sell(S) | 8K | $200.00 | $1.6M |
| Jun 4, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Option exercise(M) | 3K | $127.73 | $424K |
| Jun 4, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Option exercise(M) | 5K | $121.81 | $588K |
| Jun 1, 2026 | Davis J. E. | CEO and President, Director | Sell(S) | 10K | $194.14 | $1.9M |
| May 20, 2026 | Carter Robert B | Director | Grant(A) | 1K | — | $0 |
| May 20, 2026 | Diaz Luis | Director | Grant(A) | 1K | — | $0 |
| May 20, 2026 | Doi Tracey | Director | Grant(A) | 1K | — | $0 |
| May 20, 2026 | Morrison Denise M | Director | Grant(A) | 1K | — | $0 |
| May 20, 2026 | Gregg Vicky B | Director | Grant(A) | 1K | — | $0 |
| May 20, 2026 | Main Timothy L | Director | Grant(A) | 1K | — | $0 |
| May 20, 2026 | Lassiter Wright III | Director | Grant(A) | 1K | — | $0 |
| May 20, 2026 | Pfeiffer Gary M | Director | Grant(A) | 1K | — | $0 |
| May 20, 2026 | Ring Timothy M | Director | Grant(A) | 1K | — | $0 |
| May 20, 2026 | Wentworth Timothy C | Director | Grant(A) | 1K | — | $0 |
| Apr 20, 2026 | Lassiter Wright III | Director | Small acquisition(L) | 6 | $194.70 | $1K |
| Apr 20, 2026 | Carter Robert B | Director | Small acquisition(L) | 7 | $194.70 | $1K |
| Apr 20, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Small acquisition(L) | 39 | $194.70 | $8K |
| Apr 20, 2026 | Delaney Mark E | SVP & Chief Commercial Officer | Small acquisition(L) | 37 | $194.70 | $7K |
| Apr 20, 2026 | Gregg Vicky B | Director | Grant(A) | 68 | $194.70 | $13K |
| Apr 20, 2026 | Plewman Patrick | SVP for Diagnostic Services | Small acquisition(L) | 49 | $194.70 | $10K |
| Apr 20, 2026 | Samad Sam | Executive Vice President & CFO | Grant(A) | 108 | $194.70 | $21K |
| Apr 1, 2026 | Wentworth Timothy C | Director | Grant(A) | 198 | — | $0 |
| Mar 9, 2026 | Wentworth Timothy C | Director | Grant(A) | 215 | — | $0 |
| Mar 5, 2026 | Plewman Patrick | SVP for Diagnostic Services | Sell(S) | 3K | $206.21 | $589K |
| Mar 5, 2026 | Prevoznik Michael E | SVP & General Counsel | Sell(S) | 4K | $206.21 | $800K |
| Mar 5, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell(S) | 6K | $206.21 | $1.1M |
| Mar 4, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Grant(A) | 6K | $204.86 | $1.3M |
| Mar 4, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Sell(S) | 3K | $204.86 | $538K |
| Mar 4, 2026 | Deppe Michael J | SVP, Corp. Controller & CAO | Grant(A) | 1K | $204.86 | $302K |
| Mar 4, 2026 | Deppe Michael J | SVP, Corp. Controller & CAO | Tax withholding(F) | 750 | $204.86 | $154K |
| Mar 4, 2026 | Plewman Patrick | SVP for Diagnostic Services | Tax withholding(F) | 3K | $204.86 | $579K |
| Mar 4, 2026 | Plewman Patrick | SVP for Diagnostic Services | Grant(A) | 6K | $204.86 | $1.2M |
| Mar 4, 2026 | Davis J. E. | CEO and President, Director | Tax withholding(F) | 26K | $204.86 | $5.4M |
| Mar 4, 2026 | Davis J. E. | CEO and President, Director | Grant(A) | 52K | $204.86 | $10.6M |
| Mar 4, 2026 | Prevoznik Michael E | SVP & General Counsel | Tax withholding(F) | 3K | $204.86 | $687K |
| Mar 4, 2026 | Prevoznik Michael E | SVP & General Counsel | Grant(A) | 7K | $204.86 | $1.5M |
| Mar 4, 2026 | Delaney Mark E | SVP & Chief Commercial Officer | Grant(A) | 6K | $204.86 | $1.2M |
| Mar 4, 2026 | Delaney Mark E | SVP & Chief Commercial Officer | Tax withholding(F) | 2K | $204.86 | $477K |
| Mar 4, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Tax withholding(F) | 6K | $204.86 | $1.2M |
| Mar 4, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Grant(A) | 11K | $204.86 | $2.3M |
| Mar 4, 2026 | Samad Sam | Executive Vice President & CFO | Grant(A) | 14K | $204.86 | $2.9M |
| Mar 4, 2026 | Samad Sam | Executive Vice President & CFO | Tax withholding(F) | 8K | $204.86 | $1.6M |
| Mar 3, 2026 | Plewman Patrick | SVP for Diagnostic Services | Sell(S) | 410 | $207.73 | $85K |
| Mar 3, 2026 | Prevoznik Michael E | SVP & General Counsel | Sell(S) | 526 | $207.73 | $109K |
| Mar 3, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell(S) | 632 | $207.73 | $131K |
| Mar 2, 2026 | Deppe Michael J | SVP, Corp. Controller & CAO | Tax withholding(F) | 88 | $204.86 | $18K |
| Mar 2, 2026 | Delaney Mark E | SVP & Chief Commercial Officer | Tax withholding(F) | 188 | $204.86 | $39K |
| Mar 2, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Tax withholding(F) | 205 | $204.86 | $42K |
| Mar 2, 2026 | Plewman Patrick | SVP for Diagnostic Services | Tax withholding(F) | 230 | $204.86 | $47K |
| Mar 2, 2026 | Davis J. E. | CEO and President, Director | Tax withholding(F) | 3K | $204.86 | $608K |
| Mar 2, 2026 | Davis J. E. | CEO and President, Director | Sell(S) | 10K | $212.52 | $2.1M |
| Mar 2, 2026 | Prevoznik Michael E | SVP & General Counsel | Tax withholding(F) | 288 | $204.86 | $59K |
| Mar 2, 2026 | Samad Sam | Executive Vice President & CFO | Tax withholding(F) | 869 | $204.86 | $178K |
| Mar 2, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Tax withholding(F) | 648 | $204.86 | $133K |
| Feb 19, 2026 | Prevoznik Michael E | SVP & General Counsel | Sell(S) | 1K | $204.83 | $228K |
| Feb 19, 2026 | Plewman Patrick | SVP for Diagnostic Services | Sell(S) | 958 | $204.83 | $196K |
| Feb 19, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell(S) | 1K | $204.83 | $294K |
| Feb 18, 2026 | Prevoznik Michael E | SVP & General Counsel | Tax withholding(F) | 347 | $206.99 | $72K |
| Feb 18, 2026 | Prevoznik Michael E | SVP & General Counsel | Tax withholding(F) | 301 | $210.01 | $63K |
| Feb 18, 2026 | Prevoznik Michael E | SVP & General Counsel | Grant(A) | 2K | — | $0 |
| Feb 18, 2026 | Prevoznik Michael E | SVP & General Counsel | Grant(A) | 9K | — | $0 |
| Feb 18, 2026 | Plewman Patrick | SVP for Diagnostic Services | Tax withholding(F) | 293 | $206.99 | $61K |
| Feb 18, 2026 | Plewman Patrick | SVP for Diagnostic Services | Tax withholding(F) | 244 | $210.01 | $51K |
| Feb 18, 2026 | Plewman Patrick | SVP for Diagnostic Services | Grant(A) | 2K | — | $0 |
| Feb 18, 2026 | Plewman Patrick | SVP for Diagnostic Services | Grant(A) | 9K | — | $0 |
| Feb 18, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Grant(A) | 3K | — | $0 |
| Feb 18, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Tax withholding(F) | 433 | $210.01 | $91K |
| Feb 18, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Tax withholding(F) | 728 | $206.99 | $151K |
| Feb 18, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Grant(A) | 14K | — | $0 |
| Feb 18, 2026 | Davis J. E. | CEO and President, Director | Grant(A) | 16K | — | $0 |
| Feb 18, 2026 | Davis J. E. | CEO and President, Director | Tax withholding(F) | 2K | $210.01 | $503K |
| Feb 18, 2026 | Davis J. E. | CEO and President, Director | Tax withholding(F) | 4K | $206.99 | $784K |
| Feb 18, 2026 | Davis J. E. | CEO and President, Director | Grant(A) | 73K | — | $0 |
| Feb 18, 2026 | Samad Sam | Executive Vice President & CFO | Tax withholding(F) | 1K | $206.99 | $209K |
| Feb 18, 2026 | Samad Sam | Executive Vice President & CFO | Tax withholding(F) | 855 | $210.01 | $180K |
| Feb 18, 2026 | Samad Sam | Executive Vice President & CFO | Grant(A) | 4K | — | $0 |
| Feb 18, 2026 | Samad Sam | Executive Vice President & CFO | Grant(A) | 18K | — | $0 |
| Feb 18, 2026 | Deppe Michael J | SVP, Corp. Controller & CAO | Tax withholding(F) | 99 | $206.99 | $20K |
| Feb 18, 2026 | Deppe Michael J | SVP, Corp. Controller & CAO | Tax withholding(F) | 83 | $210.01 | $17K |
| Feb 18, 2026 | Deppe Michael J | SVP, Corp. Controller & CAO | Grant(A) | 366 | — | $0 |
| Feb 18, 2026 | Deppe Michael J | SVP, Corp. Controller & CAO | Grant(A) | 2K | — | $0 |
| Feb 18, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Tax withholding(F) | 259 | $206.99 | $54K |
| Feb 18, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Tax withholding(F) | 252 | $210.01 | $53K |
| Feb 18, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Grant(A) | 2K | — | $0 |
| Feb 18, 2026 | Kuppusamy Karthik | SVP, Clinical Solutions | Grant(A) | 10K | — | $0 |
| Feb 18, 2026 | Delaney Mark E | SVP & Chief Commercial Officer | Grant(A) | 2K | — | $0 |
| Feb 18, 2026 | Delaney Mark E | SVP & Chief Commercial Officer | Tax withholding(F) | 230 | $206.99 | $48K |
| Feb 18, 2026 | Delaney Mark E | SVP & Chief Commercial Officer | Tax withholding(F) | 205 | $210.01 | $43K |
| Feb 18, 2026 | Delaney Mark E | SVP & Chief Commercial Officer | Grant(A) | 7K | — | $0 |
| Feb 13, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Option exercise(M) | 26K | $112.17 | $2.9M |
| Feb 13, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell(S) | 10K | $206.37 | $2.1M |
| Feb 13, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell(S) | 11K | $205.21 | $2.2M |
| Feb 13, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell(S) | 351 | $209.10 | $73K |
| Feb 13, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell(S) | 2K | $208.21 | $337K |
| Feb 13, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell(S) | 4K | $207.08 | $725K |
| Feb 13, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Option exercise(M) | 26K | $112.17 | $2.9M |
| Feb 10, 2026 | Plewman Patrick | SVP for Diagnostic Services | Sell(S) | 6K | $204.00 | $1.2M |
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 → 2026-07-11. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).