Insider · CIK 0001435737
Sean D Keohane
Files at: CBT, CC. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 28, 2026 SForm 4 → | Aug 31, 7:00 pm EDT | CABOT CORPCBT | 134,895 | $85.00 | $11,466,075 | 404,134 | −25.0% | |
| Aug 28, 2026 MForm 4 → | Aug 31, 7:00 pm EDT | CABOT CORPCBT | 134,895 | $50.00 | $6,744,750 | 539,029 | — | |
| Aug 24, 2026 SForm 4 → | Aug 26, 2:42 pm EDT | CABOT CORPCBT | 2,779 | $85.50 | $237,605 | 288,873 | −0.95% | |
| Aug 24, 2026 MForm 4 → | Aug 26, 2:42 pm EDT | CABOT CORPCBT | 2,779 | $50.00 | $138,950 | 291,652 | — | |
| Aug 7, 2026 SForm 4 → | Aug 11, 6:00 pm EDT | CABOT CORPCBT | 91,923 | $86.41 | $7,942,634 | 404,134 | −18.5% | |
| Aug 7, 2026 MForm 4 → | Aug 11, 6:00 pm EDT | CABOT CORPCBT | 91,923 | $62.24 | $5,721,288 | 496,057 | — | |
| Nov 19, 2018 AFForm 4 → | Nov 21, 11:31 am EST | CABOT CORPCBT | 42,128 | $48.00 | $423,792 | 154,671 | — | plan? |
| Nov 12, 2018 FForm 4 → | Nov 14, 2:44 pm EST | CABOT CORPCBT | 5,406 | $48.45 | $261,921 | 130,201 | — | plan? |
| Nov 9, 2018 AForm 4 → | Nov 13, 4:11 pm EST | CABOT CORPCBT | 27,000 | — | — | 135,607 | — | plan? |
| Jun 5, 2018 SForm 4 → | Jun 6, 4:36 pm EDT | CABOT CORPCBT | 59,537 | $62.99 | $3,750,236 | 108,607 | −35.4% | plan? |
| Jun 5, 2018 MForm 4 → | Jun 6, 4:36 pm EDT | CABOT CORPCBT | 59,537 | $34.22 | $2,037,084 | 131,168 | — | plan? |
| May 2, 2018 AForm 4 → | May 4, 8:32 pm EDT | Chemours CoCC | 2,683 | — | — | 2,683 | — | plan? |
| Nov 20, 2017 AFForm 4 → | Nov 22, 1:17 pm EST | CABOT CORPCBT | 19,075 | $60.59 | $60,893 | 108,607 | — | plan? |
| Nov 14, 2017 FForm 4 → | Nov 15, 5:28 pm EST | CABOT CORPCBT | 1,692 | $60.24 | $101,926 | 91,542 | — | plan? |
| Nov 10, 2017 AForm 4 → | Nov 14, 4:49 pm EST | CABOT CORPCBT | 19,280 | — | — | 93,234 | — | plan? |
| Nov 21, 2016 AFForm 4 → | Nov 23, 12:49 pm EST | CABOT CORPCBT | 8,656 | $52.29 | $56,264 | 73,954 | — | plan? |
| Nov 11, 2016 AForm 4 → | Nov 15, 4:37 pm EST | CABOT CORPCBT | 19,024 | — | — | 67,450 | — | plan? |
| Nov 8, 2016 FForm 4 → | Nov 10, 3:45 pm EST | CABOT CORPCBT | 2,223 | $48.85 | $108,594 | 48,426 | — | plan? |
| Mar 21, 2016 AForm 4 → | Mar 22, 5:46 pm EDT | CABOT CORPCBT | 6,090 | — | — | 50,649 | — | plan? |
| Nov 24, 2015 AForm 4 → | Nov 25, 11:43 am EST | CABOT CORPCBT | 1,449 | — | — | 44,559 | — | plan? |
| Nov 12, 2015 AFForm 4 → | Nov 16, 2:22 pm EST | CABOT CORPCBT | 6,153 | $39.54 | $3,321 | 43,110 | — | plan? |
| Nov 9, 2015 FForm 4 → | Nov 12, 8:19 am EST | CABOT CORPCBT | 2,075 | $41.22 | $85,532 | 37,125 | — | plan? late |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 AForm 4 → | Sep 14, 5:00 pm EDT | CABOT CORPCBT | 284 | $79.68 | $22,600 | 48,115 | — | |
| Aug 28, 2026 MForm 4 → | Aug 31, 7:00 pm EDT | CABOT CORPCBT | 134,895 | — | — | 0 | — | |
| Aug 24, 2026 MForm 4 → | Aug 26, 2:42 pm EDT | CABOT CORPCBT | 2,779 | — | — | 134,895 | — | |
| Aug 7, 2026 MForm 4 → | Aug 11, 6:00 pm EDT | CABOT CORPCBT | 91,923 | — | — | 0 | — | |
| Jun 30, 2026 AForm 4 → | Jul 2, 8:56 am EDT | CABOT CORPCBT | 84 | $90.82 | $7,600 | 47,831 | — | |
| Jun 12, 2026 AForm 4 → | Jun 16, 4:30 pm EDT | CABOT CORPCBT | 256 | $87.65 | $22,440 | 47,747 | — | |
| Mar 8, 2019 AForm 4 → | Mar 12, 5:49 pm EDT | CABOT CORPCBT | 168 | $43.72 | $7,366 | 22,490 | — | |
| Dec 31, 2018 AForm 4 → | Jan 3, 2019, 4:04 pm EST | CABOT CORPCBT | 4,161 | $42.94 | $178,673 | 22,321 | — | |
| Dec 14, 2018 AForm 4 → | Dec 18, 3:45 pm EST | CABOT CORPCBT | 136 | $43.77 | $5,948 | 18,160 | — | |
| Nov 9, 2018 AForm 4 → | Nov 13, 4:11 pm EST | CABOT CORPCBT | 137,674 | — | — | 137,674 | — | |
| Sep 30, 2018 AForm 4 → | Oct 2, 3:16 pm EDT | CABOT CORPCBT | 408 | $62.72 | $25,577 | 18,024 | — | |
| Sep 14, 2018 AForm 4 → | Sep 18, 3:37 pm EDT | CABOT CORPCBT | 92 | $62.96 | $5,783 | 17,617 | — | |
| Jun 30, 2018 AForm 4 → | Jul 3, 12:11 pm EDT | CABOT CORPCBT | 322 | $61.77 | $19,904 | 17,525 | — | |
| Jun 8, 2018 AForm 4 → | Jun 11, 5:45 pm EDT | CABOT CORPCBT | 88 | $64.10 | $5,648 | 17,203 | — | |
| Jun 5, 2018 MForm 4 → | Jun 6, 4:36 pm EDT | CABOT CORPCBT | 59,537 | — | — | 0 | — | |
| Mar 9, 2018 AForm 4 → | Mar 12, 5:21 pm EDT | CABOT CORPCBT | 86 | $62.03 | $5,364 | 17,114 | — | |
| Dec 31, 2017 AForm 4 → | Jan 3, 2018, 4:57 pm EST | CABOT CORPCBT | 2,370 | $61.59 | $145,970 | 17,028 | — | |
| Dec 8, 2017 AForm 4 → | Dec 12, 2:49 pm EST | CABOT CORPCBT | 79 | $58.47 | $4,593 | 14,658 | — | |
| Nov 10, 2017 AForm 4 → | Nov 14, 4:49 pm EST | CABOT CORPCBT | 91,923 | — | — | 91,923 | — | |
| Sep 30, 2017 AForm 4 → | Oct 3, 3:37 pm EDT | CABOT CORPCBT | 434 | $55.80 | $24,231 | 14,579 | — | |
| Sep 8, 2017 AForm 4 → | Sep 12, 1:29 pm EDT | CABOT CORPCBT | 85 | $52.41 | $4,429 | 14,145 | — | |
| Jun 30, 2017 AForm 4 → | Jul 5, 6:31 pm EDT | CABOT CORPCBT | 335 | $53.43 | $17,904 | 14,061 | — | |
| Jun 9, 2017 AForm 4 → | Jun 12, 4:08 pm EDT | CABOT CORPCBT | 80 | $53.53 | $4,298 | 13,726 | — | |
| Mar 10, 2017 AForm 4 → | Mar 14, 5:08 pm EDT | CABOT CORPCBT | 69 | $58.62 | $4,073 | 13,645 | — | |
| Dec 31, 2016 AForm 4 → | Jan 4, 2017, 5:04 pm EST | CABOT CORPCBT | 1,793 | $50.54 | $90,615 | 13,576 | — | |
| Dec 9, 2016 AForm 4 → | Dec 13, 4:47 pm EST | CABOT CORPCBT | 65 | $53.72 | $3,515 | 11,783 | — | |
| Nov 11, 2016 AForm 4 → | Nov 15, 4:37 pm EST | CABOT CORPCBT | 87,981 | — | — | 87,981 | — | |
| Sep 30, 2016 AForm 4 → | Oct 4, 4:29 pm EDT | CABOT CORPCBT | 437 | $52.41 | $22,885 | 11,717 | — | |
| Sep 9, 2016 AForm 4 → | Sep 13, 3:35 pm EDT | CABOT CORPCBT | 68 | $49.32 | $3,364 | 11,281 | — | |
| Jun 30, 2016 AForm 4 → | Jul 5, 1:31 pm EDT | CABOT CORPCBT | 178 | $45.66 | $8,108 | 11,213 | — | |
| Jun 10, 2016 AForm 4 → | Jun 13, 5:17 pm EDT | CABOT CORPCBT | 70 | $47.24 | $3,290 | 11,035 | — | |
| Mar 21, 2016 AForm 4 → | Mar 22, 5:46 pm EDT | CABOT CORPCBT | 26,455 | — | — | 26,455 | — | |
| Mar 11, 2016 AForm 4 → | Mar 15, 4:40 pm EDT | CABOT CORPCBT | 50 | $48.47 | $2,401 | 10,965 | — | |
| Dec 31, 2015 AForm 4 → | Jan 5, 2016, 1:35 pm EST | CABOT CORPCBT | 517 | $40.88 | $21,154 | 10,916 | — | |
| Dec 11, 2015 AForm 4 → | Dec 15, 12:29 pm EST | CABOT CORPCBT | 55 | $41.24 | $2,276 | 10,398 | — | |
| Nov 12, 2015 AForm 4 → | Nov 16, 2:22 pm EST | CABOT CORPCBT | 25,617 | — | — | 25,617 | — | |
| Sep 30, 2015 AForm 4 → | Oct 2, 2:32 pm EDT | CABOT CORPCBT | 273 | $31.56 | $8,627 | 10,343 | — | |
| Sep 11, 2015 AForm 4 → | Sep 15, 3:34 pm EDT | CABOT CORPCBT | 65 | $34.06 | $2,201 | 10,070 | — | |
| Jun 12, 2015 AForm 4 → | Jun 16, 3:53 pm EDT | CABOT CORPCBT | 52 | $41.72 | $2,190 | 10,005 | — | |
| Mar 13, 2015 AForm 4 → | Mar 17, 3:23 pm EDT | CABOT CORPCBT | 50 | $43.83 | $2,179 | 9,953 | — | |
| Dec 31, 2014 AForm 4 → | Jan 5, 2015, 4:22 pm EST | CABOT CORPCBT | 918 | $43.86 | $40,269 | 9,903 | — |