184 transactions by 15 insiders, from November 5, 2025 to August 17, 2026.
People inside the company. What they do with their own shares is the reason this data exists.
| Insider | Trades | Planned | Bought | Sold |
|---|---|---|---|---|
| Rebecca TaubDir | 39 | 34/39 | — | $11.4M |
| Paul A. FriedmanDir | 33 | 33/33 | — | $13.0M |
| Mardi DierCFO | 32 | 31/32 | — | $3.8M |
| Richard S. LevyDir | 18 | 12/18 | — | $2.9M |
| Kenneth BateDir | 17 | — | — | $8.0M |
| William John SiboldCEO | 16 | — | — | $2.9M |
| Shannon T. KelleyGC | 6 | 2/6 | — | $842K |
| Carole HuntsmanChief | 5 | 2/5 | — | $630K |
| BAKER BROS. ADVISORS LPDir | 4 | — | — | — |
| David SoergelCMO | 4 | 1/4 | — | $952K |
| Rita ThakkarCAO | 2 | — | — | — |
| Jacqualyn A. FouseDir | 2 | — | — | — |
| James M. DalyDir | 2 | — | — | — |
| Daniel J. BrennanDir | 2 | — | — | — |
| John C. ReedDir | 2 | — | — | — |
184 in total, newest filings first.
| Insider | Date | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| Shannon T. KelleyGC | Aug 17 | S | 664 | $514.97 | $342K |
| John C. ReedDirDERIV | Aug 15 | A | 1,078 | $0.00 | —? |
| John C. ReedDir | Aug 15 | A | 647 | $0.00 | — |
| William John SiboldCEODERIV | Jul 17 | M | 50,000 | $0.00 | —? |
| William John SiboldCEO | Jul 20 | S | 280 | $555.05 | $155K |
| William John SiboldCEO | Jul 20 | S | 1 | $550.72 | $551 |
| William John SiboldCEO | Jul 20 | S | 153 | $550.01 | $84K |
| William John SiboldCEO | Jul 20 | S | 47 | $548.87 | $26K |
| William John SiboldCEO | Jul 20 | S | 680 | $547.70 | $372K |
| William John SiboldCEO | Jul 20 | S | 269 | $547.08 | $147K |
| William John SiboldCEO | Jul 20 | S | 275 | $545.71 | $150K |
| William John SiboldCEO | Jul 20 | S | 545 | $544.71 | $297K |
| William John SiboldCEO | Jul 20 | S | 110 | $543.79 | $60K |
| William John SiboldCEO | Jul 20 | S | 140 | $542.75 | $76K |
| William John SiboldCEO | Jul 17 | M | 50,000 | — | — |
| Rebecca TaubDirDERIV | Jun 17 | A | 766 | $0.00 | —? |
| Rebecca TaubDir | Jun 17 | A | 454 | $0.00 | — |
| Richard S. LevyDirDERIV | Jun 17 | A | 766 | $0.00 | —? |
| Richard S. LevyDir | Jun 17 | A | 454 | $0.00 | — |
| Jacqualyn A. FouseDirDERIV | Jun 17 | A | 766 | $0.00 | —? |
| Jacqualyn A. FouseDir | Jun 17 | A | 454 | $0.00 | — |
| James M. DalyDirDERIV | Jun 17 | A | 766 | $0.00 | —? |
| James M. DalyDir | Jun 17 | A | 454 | $0.00 | — |
| Daniel J. BrennanDirDERIV | Jun 17 | A | 681 | $0.00 | —? |
| Daniel J. BrennanDir | Jun 17 | A | 404 | $0.00 | — |
| BAKER BROS. ADVISORS LPDirDERIVJOINT | Jun 17 | A | 1,532 | $0.00 | —? |
| BAKER BROS. ADVISORS LPDirDERIVJOINT | Jun 17 | A | 1,532 | $0.00 | —? |
| BAKER BROS. ADVISORS LPDirJOINT | Jun 17 | A | 908 | $0.00 | — |
| BAKER BROS. ADVISORS LPDirJOINT | Jun 17 | A | 908 | $0.00 | — |
| David SoergelCMO | Jun 1 | SPLAN | 1,042 | $495.74 | $517K |
| Richard S. LevyDir | May 22 | SPLAN | 80 | $519.98 | $42K |
| Richard S. LevyDir | May 22 | SPLAN | 782 | $518.76 | $406K |
| Richard S. LevyDir | May 22 | SPLAN | 1,497 | $517.59 | $775K |
| Richard S. LevyDir | May 22 | SPLAN | 723 | $516.87 | $374K |
| Richard S. LevyDir | May 22 | SPLAN | 657 | $515.92 | $339K |
| Richard S. LevyDir | May 22 | SPLAN | 343 | $514.67 | $177K |
| Richard S. LevyDir | May 22 | SPLAN | 40 | $512.97 | $21K |
| Richard S. LevyDir | May 22 | SPLAN | 439 | $512.50 | $225K |
| Richard S. LevyDir | May 22 | SPLAN | 610 | $511.40 | $312K |
| Richard S. LevyDir | May 22 | SPLAN | 151 | $510.36 | $77K |
| Richard S. LevyDir | May 22 | SPLAN | 320 | $508.24 | $163K |
| Richard S. LevyDir | May 22 | SPLAN | 40 | $506.68 | $20K |
| David SoergelCMO | May 18 | S | 844 | $515.90 | $435K |
| William John SiboldCEODERIV | Mar 4 | A | 18,743 | $0.00 | —? |
| William John SiboldCEO | Mar 6 | S | 1,663 | $431.94 | $718K |
| William John SiboldCEO | Mar 4 | A | 14,995 | $0.00 | — |
| Rebecca TaubDir | Mar 6 | S | 491 | $431.94 | $212K |
| David SoergelCMODERIV | Mar 4 | A | 5,467 | $0.00 | —? |
| David SoergelCMO | Mar 4 | A | 4,374 | $0.00 | — |
| Shannon T. KelleyGCDERIV | Mar 4 | A | 5,022 | $0.00 | —? |
| Shannon T. KelleyGC | Mar 6 | S | 360 | $431.94 | $155K |
| Shannon T. KelleyGC | Mar 4 | A | 4,017 | $0.00 | — |
| Carole HuntsmanChiefDERIV | Mar 4 | A | 4,986 | $0.00 | —? |
| Carole HuntsmanChief | Mar 6 | S | 419 | $431.94 | $181K |
| Carole HuntsmanChief | Mar 4 | A | 3,989 | $0.00 | — |
| Mardi DierCFODERIV | Mar 4 | APLAN | 6,519 | $0.00 | —? |
| Mardi DierCFO | Mar 6 | SPLAN | 40 | $437.65 | $18K |
| Mardi DierCFO | Mar 6 | SPLAN | 80 | $436.69 | $35K |
| Mardi DierCFO | Mar 6 | SPLAN | 80 | $435.32 | $35K |
| Mardi DierCFO | Mar 6 | SPLAN | 160 | $434.20 | $69K |
| Mardi DierCFO | Mar 6 | SPLAN | 116 | $432.56 | $50K |
| Mardi DierCFO | Mar 6 | SPLAN | 120 | $430.90 | $52K |
| Mardi DierCFO | Mar 6 | SPLAN | 40 | $429.58 | $17K |
| Mardi DierCFO | Mar 6 | SPLAN | 160 | $429.00 | $69K |
| Mardi DierCFO | Mar 6 | SPLAN | 80 | $427.85 | $34K |
| Mardi DierCFO | Mar 6 | SPLAN | 420 | $426.86 | $179K |
| Mardi DierCFO | Mar 6 | SPLAN | 40 | $425.08 | $17K |
| Mardi DierCFO | Mar 6 | SPLAN | 646 | $431.94 | $279K |
| Mardi DierCFO | Mar 4 | APLAN | 5,215 | $0.00 | — |
| Mardi DierCFO | Mar 2 | S | 1,183 | $427.21 | $505K |
| Richard S. LevyDirDERIV | Feb 23 | M | 2,500 | $0.00 | —? |
| Richard S. LevyDir | Feb 23 | M | 2,500 | $7.36 | $18K |
| William John SiboldCEO | Jan 26 | S | 1,577 | $492.42 | $777K |
| Rebecca TaubDir | Jan 26 | S | 647 | $492.42 | $319K |
| Richard S. LevyDirDERIV | Jan 26 | M | 4,000 | $0.00 | —? |
| Richard S. LevyDir | Jan 26 | M | 4,000 | $16.46 | $66K |
| Carole HuntsmanChief | Jan 26 | SPLAN | 570 | $494.59 | $282K |
| Carole HuntsmanChief | Jan 26 | SPLAN | 340 | $492.42 | $167K |
| Rebecca TaubDir | Jan 20 | S | 2,238 | $490.77 | $1.1M |
| Rita ThakkarCAODERIV | Jan 15 | A | 1,826 | $0.00 | —? |
| Rita ThakkarCAO | Jan 15 | A | 2,398 | $0.00 | — |
| Shannon T. KelleyGC | Jan 20 | SPLAN | 429 | $501.40 | $215K |
| Shannon T. KelleyGC | Jan 20 | SPLAN | 263 | $490.77 | $129K |
| Rebecca TaubDirDERIV | Jan 9 | MPLAN | 240 | $0.00 | —? |
| Rebecca TaubDir | Jan 9 | SPLAN | 200 | $551.24 | $110K |
| Rebecca TaubDir | Jan 9 | SPLAN | 40 | $545.79 | $22K |
| Rebecca TaubDir | Jan 9 | MPLAN | 240 | $15.80 | $4K |
| Rebecca TaubDirDERIV | Jan 9 | MPLAN | 18,410 | $0.00 | —? |
| Rebecca TaubDir | Jan 9 | SPLAN | 400 | $542.72 | $217K |
| Rebecca TaubDir | Jan 9 | SPLAN | 40 | $540.26 | $22K |
| Rebecca TaubDir | Jan 9 | SPLAN | 400 | $539.26 | $216K |
| Rebecca TaubDir | Jan 9 | SPLAN | 40 | $537.84 | $22K |
| Rebecca TaubDir | Jan 9 | SPLAN | 385 | $536.88 | $207K |
| Rebecca TaubDir | Jan 9 | SPLAN | 299 | $535.80 | $160K |
| Rebecca TaubDir | Jan 9 | SPLAN | 89 | $534.93 | $48K |
| Rebecca TaubDir | Jan 9 | SPLAN | 271 | $534.18 | $145K |
| Rebecca TaubDir | Jan 9 | SPLAN | 40 | $532.50 | $21K |
| Rebecca TaubDir | Jan 9 | SPLAN | 30 | $531.05 | $16K |
| Rebecca TaubDir | Jan 9 | SPLAN | 256 | $530.45 | $136K |
| Rebecca TaubDir | Jan 9 | SPLAN | 554 | $529.28 | $293K |
| Rebecca TaubDir | Jan 9 | SPLAN | 465 | $528.16 | $246K |
| Rebecca TaubDir | Jan 9 | SPLAN | 1,135 | $526.95 | $598K |
| Rebecca TaubDir | Jan 9 | SPLAN | 913 | $526.05 | $480K |
| Rebecca TaubDir | Jan 9 | SPLAN | 1,489 | $525.12 | $782K |
| Rebecca TaubDir | Jan 9 | SPLAN | 1,335 | $524.06 | $700K |
| Rebecca TaubDir | Jan 9 | SPLAN | 732 | $522.98 | $383K |
| Rebecca TaubDir | Jan 9 | SPLAN | 588 | $521.95 | $307K |
| Rebecca TaubDir | Jan 9 | SPLAN | 440 | $521.11 | $229K |
| Rebecca TaubDir | Jan 9 | SPLAN | 539 | $519.89 | $280K |
| Rebecca TaubDir | Jan 9 | SPLAN | 970 | $518.67 | $503K |
| Rebecca TaubDir | Jan 9 | SPLAN | 2,044 | $517.84 | $1.1M |
| Rebecca TaubDir | Jan 9 | SPLAN | 521 | $516.81 | $269K |
| Rebecca TaubDir | Jan 9 | SPLAN | 1,578 | $515.82 | $814K |
| Rebecca TaubDir | Jan 9 | SPLAN | 937 | $514.63 | $482K |
| Rebecca TaubDir | Jan 9 | SPLAN | 960 | $513.12 | $493K |
| Rebecca TaubDir | Jan 9 | SPLAN | 960 | $512.02 | $492K |
| Rebecca TaubDir | Jan 9 | MPLAN | 18,410 | $15.80 | $291K |
| Paul A. FriedmanDirDERIV | Jan 9 | MPLAN | 280 | $0.00 | —? |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 280 | $551.24 | $154K |
| Paul A. FriedmanDir | Jan 9 | MPLAN | 280 | $15.80 | $4K |
| Paul A. FriedmanDirDERIV | Jan 9 | MPLAN | 24,520 | $0.00 | —? |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 40 | $545.79 | $22K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 600 | $540.36 | $324K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 480 | $539.23 | $259K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 80 | $537.85 | $43K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 487 | $536.88 | $261K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 473 | $536.02 | $254K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 148 | $535.29 | $79K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 332 | $534.16 | $177K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 80 | $532.50 | $43K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 280 | $530.69 | $149K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 166 | $529.76 | $88K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 691 | $529.17 | $366K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 575 | $528.18 | $304K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 1,560 | $526.97 | $822K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 1,066 | $526.00 | $561K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 2,432 | $525.05 | $1.3M |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 1,199 | $524.10 | $628K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 970 | $523.00 | $507K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 840 | $521.98 | $438K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 681 | $521.03 | $355K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 846 | $519.88 | $440K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 1,363 | $518.68 | $707K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 2,450 | $517.86 | $1.3M |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 766 | $516.84 | $396K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 1,996 | $515.81 | $1.0M |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 1,345 | $514.68 | $692K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 1,094 | $513.11 | $561K |
| Paul A. FriedmanDir | Jan 9 | SPLAN | 1,480 | $511.98 | $758K |
| Paul A. FriedmanDir | Jan 9 | MPLAN | 24,520 | $15.80 | $387K |
| Mardi DierCFODERIV | Dec 2 | MPLAN | 4,173 | $0.00 | —? |
| Mardi DierCFO | Dec 2 | SPLAN | 80 | $596.19 | $48K |
| Mardi DierCFO | Dec 2 | SPLAN | 74 | $595.20 | $44K |
| Mardi DierCFO | Dec 2 | SPLAN | 160 | $590.37 | $94K |
| Mardi DierCFO | Dec 2 | SPLAN | 160 | $589.65 | $94K |
| Mardi DierCFO | Dec 2 | SPLAN | 240 | $587.85 | $141K |
| Mardi DierCFO | Dec 2 | SPLAN | 240 | $585.44 | $141K |
| Mardi DierCFO | Dec 2 | SPLAN | 480 | $579.85 | $278K |
| Mardi DierCFO | Dec 2 | SPLAN | 258 | $578.83 | $149K |
| Mardi DierCFO | Dec 2 | SPLAN | 320 | $577.81 | $185K |
| Mardi DierCFO | Dec 2 | SPLAN | 240 | $576.15 | $138K |
| Mardi DierCFO | Dec 2 | SPLAN | 120 | $574.95 | $69K |
| Mardi DierCFO | Dec 2 | SPLAN | 717 | $574.00 | $412K |
| Mardi DierCFO | Dec 2 | SPLAN | 354 | $573.02 | $203K |
| Mardi DierCFO | Dec 2 | SPLAN | 410 | $571.99 | $235K |
| Mardi DierCFO | Dec 2 | SPLAN | 320 | $570.39 | $183K |
| Mardi DierCFO | Dec 2 | MPLAN | 4,173 | $251.63 | $1.1M |
| Kenneth BateDirDERIV | Nov 5 | M | 1,105 | $0.00 | —? |
| Kenneth BateDirDERIV | Nov 5 | M | 10,000 | $0.00 | —? |
| Kenneth BateDirDERIV | Nov 5 | M | 5,470 | $0.00 | —? |
| Kenneth BateDir | Nov 5 | S | 30 | $490.98 | $15K |
| Kenneth BateDir | Nov 5 | S | 933 | $489.95 | $457K |
| Kenneth BateDir | Nov 5 | S | 696 | $489.09 | $340K |
| Kenneth BateDir | Nov 5 | S | 2,775 | $487.49 | $1.4M |
| Kenneth BateDir | Nov 5 | S | 827 | $486.73 | $403K |
| Kenneth BateDir | Nov 5 | S | 1,008 | $485.54 | $489K |
| Kenneth BateDir | Nov 5 | S | 1,931 | $484.78 | $936K |
| Kenneth BateDir | Nov 5 | S | 2,069 | $483.41 | $1.0M |
| Kenneth BateDir | Nov 5 | S | 1,284 | $482.41 | $619K |
| Kenneth BateDir | Nov 5 | S | 3,259 | $481.13 | $1.6M |
| Kenneth BateDir | Nov 5 | S | 1,763 | $480.24 | $847K |
| Kenneth BateDir | Nov 5 | M | 1,105 | $280.04 | $309K |
| Kenneth BateDir | Nov 5 | M | 10,000 | $303.79 | $3.0M |
| Kenneth BateDir | Nov 5 | M | 5,470 | $9.45 | $52K |