139 transactions by 18 insiders, from October 21, 2025 to October 1, 2026.
People inside the company. What they do with their own shares is the reason this data exists.
| Insider | Trades | Planned | Bought | Sold |
|---|---|---|---|---|
| Mark E. DelaneyChief | 17 | 6/17 | — | $1.9M |
| Catherine T. DohertyEVP | 17 | 17/17 | — | $7.0M |
| J. E. DavisCEO | 16 | 9/16 | — | $17.1M |
| Michael E. PrevoznikGC | 16 | 16/16 | — | $6.6M |
| Patrick PlewmanSVP | 16 | 14/16 | — | $2.0M |
| Karthik KuppusamySVP | 15 | 5/15 | — | $2.2M |
| Sam SamadCFO | 10 | — | — | — |
| Michael J. DeppeCAO | 7 | — | — | — |
| Robert B. CarterDir | 5 | — | — | — |
| Timothy C. WentworthDir | 5 | — | — | — |
| Vicky B. GreggDir | 4 | — | — | — |
| Wright Lassiter IIIDir | 4 | — | — | — |
| Timothy L. MainDir | 2 | — | — | — |
| Luis DiazDir | 1 | — | — | — |
| Tracey DoiDir | 1 | — | — | — |
| Gary M. PfeifferDir | 1 | — | — | — |
| Denise M. MorrisonDir | 1 | — | — | — |
| Timothy M. RingDir | 1 | — | — | — |
139 in total, newest filings first.
| Insider | Date | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| Timothy C. WentworthDirDERIV | Oct 1 | A | 135 | $0.00 | —? |
| J. E. DavisCEO | Sep 1 | SPLAN | 10,000 | $242.72 | $2.4M |
| Michael E. PrevoznikGCDERIV | Aug 28 | MPLAN | 22,677 | $112.17 | $2.5M? |
| Michael E. PrevoznikGC | Aug 28 | GPLAN | 1,000 | $0.00 | — |
| Michael E. PrevoznikGC | Aug 28 | SPLAN | 430 | $244.51 | $105K |
| Michael E. PrevoznikGC | Aug 28 | SPLAN | 6,237 | $243.63 | $1.5M |
| Michael E. PrevoznikGC | Aug 28 | SPLAN | 16,010 | $242.88 | $3.9M |
| Michael E. PrevoznikGC | Aug 28 | MPLAN | 22,677 | $112.17 | $2.5M |
| Mark E. DelaneyChief | Jul 28 | SPLAN | 1,600 | $235.18 | $376K |
| Sam SamadCFO | Jul 22 | A | 102 | $206.81 | $21K |
| Patrick PlewmanSVP | Jul 22 | L | 46 | $206.81 | $10K |
| Timothy L. MainDir | Jul 22 | L | 21 | $206.81 | $4K |
| Wright Lassiter IIIDir | Jul 22 | L | 6 | $206.81 | $1K |
| Karthik KuppusamySVP | Jul 22 | L | 37 | $206.81 | $8K |
| Vicky B. GreggDir | Jul 22 | A | 72 | $206.81 | $15K |
| Mark E. DelaneyChief | Jul 22 | L | 34 | $206.81 | $7K |
| Robert B. CarterDir | Jul 22 | L | 11 | $206.80 | $2K |
| Timothy C. WentworthDirDERIV | Jul 1 | A | 144 | $0.00 | —? |
| Karthik KuppusamySVPDERIV | Jun 4 | MPLAN | 4,827 | $121.81 | $588K? |
| Karthik KuppusamySVPDERIV | Jun 4 | MPLAN | 3,320 | $127.73 | $424K? |
| Karthik KuppusamySVP | Jun 4 | SPLAN | 8,147 | $200.00 | $1.6M |
| Karthik KuppusamySVP | Jun 4 | MPLAN | 4,827 | $121.81 | $588K |
| Karthik KuppusamySVP | Jun 4 | MPLAN | 3,320 | $127.73 | $424K |
| J. E. DavisCEO | Jun 1 | SPLAN | 10,000 | $194.14 | $1.9M |
| Timothy C. WentworthDir | May 20 | A | 1,142 | $0.00 | — |
| Timothy M. RingDir | May 20 | A | 1,142 | $0.00 | — |
| Gary M. PfeifferDir | May 20 | A | 1,142 | $0.00 | — |
| Denise M. MorrisonDir | May 20 | A | 1,142 | $0.00 | — |
| Timothy L. MainDir | May 20 | A | 1,142 | $0.00 | — |
| Wright Lassiter IIIDir | May 20 | A | 1,142 | $0.00 | — |
| Vicky B. GreggDir | May 20 | A | 1,142 | $0.00 | — |
| Tracey DoiDir | May 20 | A | 1,142 | $0.00 | — |
| Luis DiazDir | May 20 | A | 1,142 | $0.00 | — |
| Robert B. CarterDir | May 20 | A | 1,142 | $0.00 | — |
| Sam SamadCFO | Apr 20 | A | 108 | $194.70 | $21K |
| Patrick PlewmanSVP | Apr 20 | L | 49 | $194.70 | $10K |
| Wright Lassiter IIIDir | Apr 20 | L | 6 | $194.70 | $1K |
| Karthik KuppusamySVP | Apr 20 | L | 39 | $194.70 | $8K |
| Vicky B. GreggDir | Apr 20 | A | 68 | $194.70 | $13K |
| Mark E. DelaneyChief | Apr 20 | L | 37 | $194.70 | $7K |
| Robert B. CarterDir | Apr 20 | L | 7 | $194.70 | $1K |
| Timothy C. WentworthDirDERIV | Apr 1 | A | 198 | $0.00 | —? |
| Timothy C. WentworthDir | Mar 9 | A | 215 | $0.00 | — |
| Sam SamadCFO | Mar 4 | F | 7,720 | $204.86 | $1.6M |
| Sam SamadCFO | Mar 4 | A | 13,947 | $204.86 | $2.9M |
| Patrick PlewmanSVP | Mar 5 | SPLAN | 2,855 | $206.21 | $589K |
| Patrick PlewmanSVP | Mar 4 | FPLAN | 2,827 | $204.86 | $579K |
| Patrick PlewmanSVP | Mar 4 | APLAN | 5,682 | $204.86 | $1.2M |
| Michael E. PrevoznikGC | Mar 5 | SPLAN | 3,878 | $206.21 | $800K |
| Michael E. PrevoznikGC | Mar 4 | FPLAN | 3,354 | $204.86 | $687K |
| Michael E. PrevoznikGC | Mar 4 | APLAN | 7,232 | $204.86 | $1.5M |
| Karthik KuppusamySVP | Mar 4 | S | 2,628 | $204.86 | $538K |
| Karthik KuppusamySVP | Mar 4 | A | 6,200 | $204.86 | $1.3M |
| Catherine T. DohertyEVP | Mar 5 | SPLAN | 5,558 | $206.21 | $1.1M |
| Catherine T. DohertyEVP | Mar 4 | FPLAN | 5,806 | $204.86 | $1.2M |
| Catherine T. DohertyEVP | Mar 4 | APLAN | 11,364 | $204.86 | $2.3M |
| Michael J. DeppeCAO | Mar 4 | F | 750 | $204.86 | $154K |
| Michael J. DeppeCAO | Mar 4 | A | 1,473 | $204.86 | $302K |
| J. E. DavisCEO | Mar 4 | F | 26,414 | $204.86 | $5.4M |
| J. E. DavisCEO | Mar 4 | A | 51,652 | $204.86 | $10.6M |
| Mark E. DelaneyChief | Mar 4 | F | 2,326 | $204.86 | $477K |
| Mark E. DelaneyChief | Mar 4 | A | 5,682 | $204.86 | $1.2M |
| Sam SamadCFO | Mar 2 | F | 869 | $204.86 | $178K |
| Patrick PlewmanSVP | Mar 3 | SPLAN | 410 | $207.73 | $85K |
| Patrick PlewmanSVP | Mar 2 | FPLAN | 230 | $204.86 | $47K |
| Michael E. PrevoznikGC | Mar 3 | SPLAN | 526 | $207.73 | $109K |
| Michael E. PrevoznikGC | Mar 2 | FPLAN | 288 | $204.86 | $59K |
| Karthik KuppusamySVP | Mar 2 | F | 205 | $204.86 | $42K |
| Catherine T. DohertyEVP | Mar 3 | SPLAN | 632 | $207.73 | $131K |
| Catherine T. DohertyEVP | Mar 2 | FPLAN | 648 | $204.86 | $133K |
| Michael J. DeppeCAO | Mar 2 | F | 88 | $204.86 | $18K |
| J. E. DavisCEO | Mar 2 | SPLAN | 10,000 | $212.52 | $2.1M |
| J. E. DavisCEO | Mar 2 | FPLAN | 2,968 | $204.86 | $608K |
| Mark E. DelaneyChief | Mar 2 | F | 188 | $204.86 | $39K |
| Sam SamadCFODERIV | Feb 18 | A | 18,303 | $0.00 | —? |
| Sam SamadCFO | Jan 28 | A | 69 | $183.51 | $13K |
| Sam SamadCFO | Feb 18 | F | 1,010 | $206.99 | $209K |
| Sam SamadCFO | Feb 18 | F | 855 | $210.01 | $180K |
| Sam SamadCFO | Feb 18 | A | 3,965 | $0.00 | — |
| Patrick PlewmanSVPDERIV | Feb 18 | APLAN | 9,009 | $0.00 | —? |
| Patrick PlewmanSVP | Feb 19 | SPLAN | 958 | $204.83 | $196K |
| Patrick PlewmanSVP | Feb 18 | FPLAN | 293 | $206.99 | $61K |
| Patrick PlewmanSVP | Feb 18 | FPLAN | 244 | $210.01 | $51K |
| Patrick PlewmanSVP | Feb 18 | APLAN | 1,952 | $0.00 | — |
| Michael E. PrevoznikGCDERIV | Feb 18 | APLAN | 9,289 | $0.00 | —? |
| Michael E. PrevoznikGC | Feb 19 | SPLAN | 1,111 | $204.83 | $228K |
| Michael E. PrevoznikGC | Feb 18 | FPLAN | 347 | $206.99 | $72K |
| Michael E. PrevoznikGC | Feb 18 | FPLAN | 301 | $210.01 | $63K |
| Michael E. PrevoznikGC | Feb 18 | APLAN | 2,013 | $0.00 | — |
| Wright Lassiter IIIDir | Jan 28 | L | 7 | $183.51 | $1K |
| Karthik KuppusamySVPDERIV | Feb 18 | A | 9,853 | $0.00 | —? |
| Karthik KuppusamySVP | Jan 28 | L | 16 | $183.52 | $3K |
| Karthik KuppusamySVP | Feb 18 | A | 2,135 | $0.00 | — |
| Karthik KuppusamySVP | Feb 18 | F | 259 | $206.99 | $54K |
| Karthik KuppusamySVP | Feb 18 | F | 252 | $210.01 | $53K |
| Vicky B. GreggDir | Jan 28 | L | 67 | $183.51 | $12K |
| Catherine T. DohertyEVPDERIV | Feb 18 | APLAN | 13,514 | $0.00 | —? |
| Catherine T. DohertyEVP | Feb 19 | SPLAN | 1,433 | $204.83 | $294K |
| Catherine T. DohertyEVP | Feb 18 | FPLAN | 728 | $206.99 | $151K |
| Catherine T. DohertyEVP | Feb 18 | FPLAN | 433 | $210.01 | $91K |
| Catherine T. DohertyEVP | Feb 18 | APLAN | 2,928 | $0.00 | — |
| Michael J. DeppeCAODERIV | Feb 18 | A | 1,688 | $0.00 | —? |
| Michael J. DeppeCAO | Feb 18 | F | 99 | $206.99 | $20K |
| Michael J. DeppeCAO | Feb 18 | F | 83 | $210.01 | $17K |
| Michael J. DeppeCAO | Feb 18 | A | 366 | $0.00 | — |
| J. E. DavisCEODERIV | Feb 18 | A | 73,225 | $0.00 | —? |
| J. E. DavisCEO | Feb 18 | F | 3,788 | $206.99 | $784K |
| J. E. DavisCEO | Feb 18 | F | 2,396 | $210.01 | $503K |
| J. E. DavisCEO | Feb 18 | A | 15,857 | $0.00 | — |
| Mark E. DelaneyChiefDERIV | Feb 18 | A | 7,332 | $0.00 | —? |
| Mark E. DelaneyChief | Jan 28 | L | 15 | $183.51 | $3K |
| Mark E. DelaneyChief | Feb 18 | F | 230 | $206.99 | $48K |
| Mark E. DelaneyChief | Feb 18 | F | 205 | $210.01 | $43K |
| Mark E. DelaneyChief | Feb 18 | A | 1,586 | $0.00 | — |
| Robert B. CarterDir | Jan 28 | L | 6 | $183.51 | $1K |
| Catherine T. DohertyEVPDERIV | Feb 13 | MPLAN | 26,165 | $112.17 | $2.9M? |
| Catherine T. DohertyEVP | Feb 13 | SPLAN | 351 | $209.10 | $73K |
| Catherine T. DohertyEVP | Feb 13 | SPLAN | 1,619 | $208.21 | $337K |
| Catherine T. DohertyEVP | Feb 13 | SPLAN | 3,500 | $207.08 | $725K |
| Catherine T. DohertyEVP | Feb 13 | SPLAN | 10,122 | $206.37 | $2.1M |
| Catherine T. DohertyEVP | Feb 13 | SPLAN | 10,573 | $205.21 | $2.2M |
| Catherine T. DohertyEVP | Feb 13 | MPLAN | 26,165 | $112.17 | $2.9M |
| Patrick PlewmanSVPDERIV | Feb 10 | MPLAN | 5,662 | $121.81 | $690K? |
| Patrick PlewmanSVP | Feb 10 | SPLAN | 5,662 | $204.00 | $1.2M |
| Patrick PlewmanSVP | Feb 10 | MPLAN | 5,662 | $121.81 | $690K |
| Patrick PlewmanSVP | Jan 28 | APLAN | 48 | $183.51 | $9K |
| J. E. DavisCEODERIV | Nov 25 | MPLAN | 55,093 | $95.80 | $5.3M? |
| J. E. DavisCEO | Nov 25 | SPLAN | 4,747 | $192.97 | $916K |
| J. E. DavisCEO | Nov 25 | SPLAN | 41,004 | $192.27 | $7.9M |
| J. E. DavisCEO | Nov 25 | SPLAN | 9,342 | $191.59 | $1.8M |
| J. E. DavisCEO | Nov 25 | MPLAN | 55,093 | $95.80 | $5.3M |
| Mark E. DelaneyChiefDERIV | Nov 18 | MPLAN | 100 | $143.33 | $14K? |
| Mark E. DelaneyChiefDERIV | Nov 18 | MPLAN | 7,846 | $144.47 | $1.1M? |
| Mark E. DelaneyChief | Nov 18 | SPLAN | 7,946 | $187.35 | $1.5M |
| Mark E. DelaneyChief | Nov 18 | MPLAN | 100 | $143.33 | $14K |
| Mark E. DelaneyChief | Nov 18 | MPLAN | 7,846 | $144.47 | $1.1M |
| J. E. DavisCEO | Nov 5 | F | 7,143 | $175.57 | $1.3M |
| Robert B. CarterDir | Oct 21 | A | 6 | $189.09 | $1K |
| Mark E. DelaneyChief | Oct 21 | A | 15 | $189.08 | $3K |