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SK

Sean D. Keohane

CBT
PRESIDENT AND CEO · CABOT CORP · CIK 0001435737
FILING MIX · LIFETIME76%/24%
BUYS
77
SELLS
24
TOTAL VALUE
$37.99M
COMPANIES
2
ACTIVE SINCE
Dec 2019
HOLDINGS NOW
120,386
AVG SELL PX
$78.27
TRADE KIND
SHOWING 101 / 101
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
11 backtested trades · 8 horizons · 10 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Sean D. Keohane, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d11+54.55%+2.53%+0.64%+1.89%+1.02%—
14d11+0.00%+5.92%+2.05%+3.87%+3.07%—
30d11+63.64%-0.76%+0.68%-1.44%-2.50%—
60d11+36.36%-1.79%+1.57%-3.37%-0.27%—
90d11+36.36%-1.88%+5.80%-7.68%-1.81%—
180d11+54.55%-0.46%+5.84%-6.30%-11.96%—
1y11(4 pending)+28.57%-4.90%+12.64%-17.54%-16.91%—
2y11(6 pending)+40.00%+23.71%+37.04%-13.33%+9.06%—
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
CBT · 47,830.977 shares · as of Jun 30, 2026
0180,249360,498540,747720,9962020202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2019
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 77 buys / 24 sellsCOVERAGE · 27 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
83.682$90.82$7.6K47,830.977Jun 30, 2026Jul 1, 2026 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
256.014$87.65$22.4K47,747.295Jun 12, 2026Jun 16, 2026 ↗View →
CC
CHEMOURS CO
PURCHASEGRANT
Stock grant
7,182——72,555.178May 6, 2026May 8, 2026 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
305.563$69.49$21.2K47,491.281Mar 13, 2026Mar 17, 2026 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
2,562.847$66.28$169.9K47,185.718Dec 31, 2025Jan 5, 2026 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
291.907$68.34$19.9K44,622.871Dec 12, 2025Dec 16, 2025 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
122,114——122,114Nov 19, 2025Nov 21, 2025 ↗View →
CBT
CABOT CORP
SALE
President and CEO
10,338$59.76$617.8K404,134Nov 19, 2025Nov 21, 2025 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
30,932——414,472Nov 19, 2025Nov 21, 2025 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
32,630——383,540Nov 19, 2025Nov 21, 2025 ↗View →
CBT
CABOT CORP
SALE
President and CEO
10,608$61.41$651.4K350,910Nov 11, 2025Nov 12, 2025 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
333.789$76.05$25.4K44,330.964Sep 30, 2025Oct 2, 2025 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
241.684$81.47$19.7K43,997.176Sep 11, 2025Sep 15, 2025 ↗View →
CBT
CABOT CORP
PURCHASE
President and CEO
87,981$50.46$4.44M449,499Aug 14, 2025Aug 15, 2025 ↗View →
CBT
CABOT CORP
SALE
President and CEO
2,369$79.63$188.6K361,518Aug 14, 2025Aug 15, 2025 ↗View →
CBT
CABOT CORP
PURCHASE
President and CEO
26,455——0Aug 14, 2025Aug 15, 2025 ↗View →
CBT
CABOT CORP
PURCHASE
President and CEO
87,981——0Aug 14, 2025Aug 15, 2025 ↗View →
CBT
CABOT CORP
SALE
President and CEO
7,677$79.62$611.2K361,518Aug 14, 2025Aug 15, 2025 ↗View →
CBT
CABOT CORP
SALE
President and CEO
24,086$79.25$1.91M363,887Aug 14, 2025Aug 15, 2025 ↗View →
CBT
CABOT CORP
PURCHASE
President and CEO
26,455$49.26$1.30M387,973Aug 14, 2025Aug 15, 2025 ↗View →
CBT
CABOT CORP
SALE
President and CEO
80,304$79.24$6.36M369,195Aug 14, 2025Aug 15, 2025 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
266.667$75.00$20.0K43,755.492Jun 30, 2025Jul 1, 2025 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
260.343$74.72$19.5K43,488.825Jun 13, 2025Jun 16, 2025 ↗View →
CC
CHEMOURS CO
PURCHASEGRANT
Stock grant
14,096——63,872.131Apr 22, 2025Apr 24, 2025 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
221.976$83.31$18.5K43,228.482Mar 14, 2025Mar 18, 2025 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
2,461.063$91.31$224.7K43,006.507Dec 31, 2024Jan 2, 2025 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
167.947$103.38$17.4K40,545.444Dec 13, 2024Dec 17, 2024 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
45,842——382,149Nov 18, 2024Nov 20, 2024 ↗View →
CBT
CABOT CORP
SALE
President and CEO
20,631$108.82$2.25M361,518Nov 18, 2024Nov 20, 2024 ↗View →
CBT
CABOT CORP
SALE
President and CEO
11,824$112.54$1.33M336,307Nov 12, 2024Nov 13, 2024 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
50,600——50,600Nov 8, 2024Nov 13, 2024 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
16,957——348,131Nov 8, 2024Nov 13, 2024 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
227.115$111.77$25.4K40,377.497Sep 30, 2024Oct 2, 2024 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
164.144$104.75$17.2K40,150.382Sep 13, 2024Sep 17, 2024 ↗View →
CBT
CABOT CORP
SALE
President and CEO
25,617——0Sep 3, 2024Sep 4, 2024 ↗View →
CBT
CABOT CORP
PURCHASE
President and CEO
25,617$39.54$1.01M356,791Sep 3, 2024Sep 4, 2024 ↗View →
CBT
CABOT CORP
SALE
President and CEO
7,752$102.28$792.9K331,174Sep 3, 2024Sep 4, 2024 ↗View →
CBT
CABOT CORP
SALE
President and CEO
17,865$101.23$1.81M338,926Sep 3, 2024Sep 4, 2024 ↗View →
CC
CHEMOURS CO
PURCHASEGRANT
Stock grant
8,547——47,873.787Aug 6, 2024Aug 7, 2024 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
223.093$91.89$20.5K39,986.238Jun 28, 2024Jul 2, 2024 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
175.492$97.00$17.0K39,763.145Jun 14, 2024Jun 18, 2024 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
180.951$87.11$15.8K39,587.653Mar 8, 2024Mar 11, 2024 ↗View →
CBT
CABOT CORP
SALE
President and CEO
6,579$85.67$563.7K331,174Mar 1, 2024Mar 4, 2024 ↗View →
CBT
CABOT CORP
SALE
President and CEO
11,278$85.29$961.9K337,753Mar 1, 2024Mar 4, 2024 ↗View →
CBT
CABOT CORP
SALE
President and CEO
17,857——0Mar 1, 2024Mar 4, 2024 ↗View →
CBT
CABOT CORP
PURCHASE
President and CEO
17,857$46.03$822.0K349,031Mar 1, 2024Mar 4, 2024 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
980.845$83.50$81.9K39,406.702Dec 29, 2023Jan 3, 2024 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
196.602$77.78$15.3K38,425.857Dec 8, 2023Dec 12, 2023 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
37,402——370,413Nov 20, 2023Nov 22, 2023 ↗View →
CBT
CABOT CORP
SALE
President and CEO
39,239$77.89$3.06M331,174Nov 20, 2023Nov 22, 2023 ↗View →
CBT
CABOT CORP
SALE
President and CEO
16,817$74.08$1.25M333,011Nov 13, 2023Nov 14, 2023 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
79,139——79,139Nov 10, 2023Nov 14, 2023 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
25,000——349,828Nov 10, 2023Nov 14, 2023 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
366.459$69.27$25.4K38,229.255Sep 29, 2023Oct 3, 2023 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
214.763$70.12$15.1K37,862.796Sep 8, 2023Sep 11, 2023 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
328.898$66.89$22.0K37,648.032Jun 30, 2023Jul 3, 2023 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
202.272$73.40$14.8K37,319.134Jun 9, 2023Jun 13, 2023 ↗View →
CC
CHEMOURS CO
PURCHASEGRANT
Stock grant
5,858——37,929.81Apr 26, 2023Apr 28, 2023 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
183.895$74.31$13.7K37,116.862Mar 10, 2023Mar 14, 2023 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
1,792.314$66.84$119.8K36,932.968Dec 30, 2022Jan 4, 2023 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
181.441$71.29$12.9K35,140.654Dec 9, 2022Dec 13, 2022 ↗View →
CBT
CABOT CORP
SALE
President and CEO
17,105$71.51$1.22M324,828Nov 21, 2022Nov 22, 2022 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
66,196——341,933Nov 21, 2022Nov 22, 2022 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
71,917——71,917Nov 11, 2022Nov 15, 2022 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
21,939——275,737Nov 11, 2022Nov 15, 2022 ↗View →
CBT
CABOT CORP
SALE
President and CEO
11,920$70.07$835.2K253,798Nov 8, 2022Nov 9, 2022 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
598.324$63.89$38.2K35,947.949Sep 30, 2022Oct 3, 2022 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
177.636$73.26$13.0K35,349.625Sep 9, 2022Sep 12, 2022 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
108.288$63.79$6.9K35,171.989Jun 30, 2022Jul 1, 2022 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
177.283$72.81$12.9K35,063.701Jun 10, 2022Jun 13, 2022 ↗View →
CBT
CABOT CORP
SALE
President and CEO
939$69.95$65.7K265,718May 24, 2022May 26, 2022 ↗View →
CBT
CABOT CORP
SALE
President and CEO
3,340$68.26$228.0K276,675May 24, 2022May 26, 2022 ↗View →
CBT
CABOT CORP
SALE
President and CEO
10,018$69.37$694.9K266,657May 24, 2022May 26, 2022 ↗View →
CBT
CABOT CORP
PURCHASE
President and CEO
14,297$47.62$680.8K280,015May 24, 2022May 26, 2022 ↗View →
CBT
CABOT CORP
PURCHASE
President and CEO
14,297$47.62$680.8K0May 24, 2022May 26, 2022 ↗View →
CC
CHEMOURS CO
PURCHASEGRANT
Stock grant
4,442——31,083.579Apr 27, 2022Apr 29, 2022 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
183.066$70.14$12.8K34,886.417Mar 11, 2022Mar 15, 2022 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
3,210.962$56.20$180.5K34,703.352Dec 31, 2021Jan 4, 2022 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
206.161$56.15$11.6K31,492.389Dec 10, 2021Dec 13, 2021 ↗View →
CBT
CABOT CORP
SALE
President and CEO
9,286$59.68$554.2K265,718Nov 22, 2021Nov 24, 2021 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
57,673——275,004Nov 22, 2021Nov 24, 2021 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
24,455——217,331Nov 12, 2021Nov 16, 2021 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
104,231——104,231Nov 12, 2021Nov 16, 2021 ↗View →
CBT
CABOT CORP
SALE
President and CEO
11,975$57.53$688.9K192,876Nov 9, 2021Nov 12, 2021 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
555.974$50.12$27.9K31,286.229Sep 30, 2021Oct 4, 2021 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
211.101$50.60$10.7K30,730.255Sep 10, 2021Sep 13, 2021 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
329.927$56.93$18.8K30,519.155Jun 30, 2021Jul 2, 2021 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
167.878$62.59$10.5K30,189.228Jun 11, 2021Jun 14, 2021 ↗View →
CC
CHEMOURS CO
PURCHASEGRANT
Stock grant
4,653——25,820.714Apr 29, 2021Apr 30, 2021 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
196.769$53.05$10.4K30,021.35Mar 12, 2021Mar 16, 2021 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
1,562.457$44.88$70.1K29,824.581Dec 31, 2020Jan 5, 2021 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
234.847$41.77$9.8K28,262.124Dec 11, 2020Dec 15, 2020 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
171,568——720,996Nov 13, 2020Nov 17, 2020 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
34,781——204,851Nov 13, 2020Nov 17, 2020 ↗View →
CBT
CABOT CORP
SALE
President and CEO
18,700$43.18$807.5K170,070Nov 10, 2020Nov 12, 2020 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
650.099$36.03$23.4K28,027.278Sep 30, 2020Oct 2, 2020 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
250.772$37.86$9.5K27,377.179Sep 11, 2020Sep 15, 2020 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
260.117$36.15$9.4K27,126.407Jun 12, 2020Jun 16, 2020 ↗View →
CC
CHEMOURS CO
PURCHASEGRANT
Stock grant
12,820——20,209Apr 28, 2020Apr 30, 2020 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
288.265$32.27$9.3K26,866.29Mar 13, 2020Mar 16, 2020 ↗View →
CBT
CABOT CORP
PURCHASEGRANT
Stock grant
2,514.817$47.52$119.5K26,578.025Dec 31, 2019Jan 3, 2020 ↗View →
Other insiders · CBT
Loading peer insiders…
About this filer
CIK 0001435737
ROLE
President and CEO
PRIMARY
CBT
COMPANIES
2
ACTIVE SINCE
Dec 2019
MARKETPEEL · /INSIDER/0001435737DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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