STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
210
13F, latest reported quarter
Conversions, 180 days
3
Codes C/M, not in net · $12.6M priced
What the filings say about CBT
Insiders, 180 days
-$19.6M net sold
1 seller · 0% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$19.6M
3 notices
Cabot insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, CABOT CORP insiders sold a net $19.6M of stock across 64 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.
13 earlier Form 4 trades (code P or S) here by this insider (13 sales), the last on Aug 24, 2026.
The trade is 33.4% of the 404,134 shares held after it.
No other insider sold within 30 days.
210 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President and CEO Keohane Sean D sold about $11.5M of CBT on Aug 28, 2026, the largest insider sale at the company on our record; 210 funds added in the latest 13F quarter.
11 earlier Form 4 trades (code P or S) here by this insider (11 sales), the last on Aug 14, 2025.
The trade is 22.7% of the 404,134 shares held after it.
No other insider sold within 30 days.
210 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President and CEO Keohane Sean D sold about $7.9M of CBT on Aug 7, 2026, the largest insider sale at the company on our record; 210 funds added in the latest 13F quarter.
7 earlier Form 4 trades (code P or S) here by this insider (7 sales), the last on Sep 3, 2024.
The trade is 21.8% of the 369,195 shares held after it.
No other insider sold within 30 days.
210 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President and CEO Keohane Sean D sold about $6.4M of CBT on Aug 14, 2025, the largest insider sale at the company on our record; 210 funds added in the latest 13F quarter.
64 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Nobody has filed for crossing 5%. That is a fact, not missing data.
CBT planned insider sales (Form 144)
Notice of intent to sell, filed before any sale
Keohane Sean D
Filed 2026-08-28
$11.5M
Keohane Sean D
Filed 2026-08-24
$237.6K
Keohane Sean D
Filed 2026-08-07
$7.9M
CBT mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
Pear tree polaris small cap fund
$2.4M position · as of 2026-06-30
2.4%
Euclidean Fundamental Value ETF
$2.6M position · as of 2026-06-30
2.0%
Select Chemicals Portfolio
$8.5M position · as of 2026-05-31
1.9%
BALLAST SMALL/MID CAP ETF
$3.3M position · as of 2026-06-30
1.9%
ProShares S&P MidCap 400 Dividend Aristocrats ETF
$30.3M position · as of 2026-05-31
1.8%
Undiscovered Managers Behavioral Value Fund
$147.1M position · as of 2026-06-30
1.6%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Executive pay vs shareholder return · Sean D. Keohane
CEO pay, headline and as actually paid, against the company's
return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$9.3M
$1.3M
$2.4M
+135%
+34%
2024
$9.6M
$26.1M
$2.7M
+239%
+56%
2023
$7.8M
$8.1M
$2.2M
+106%
+35%
2022
$7.9M
$17.2M
$2.3M
+86%
+17%
2021
$8.2M
$17.1M
$2.3M
+43%
+36%
Tagged by the company under SEC Item 402(v). Returns are
cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $19.6M sold by insiders over 180 days, 210 funds added last quarter, $19.6M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$3.6B
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM CBT
FY Sep 2025
$3.7B
FY Sep 2024
$4.0B
FY Sep 2023
$3.9B
FY Sep 2022
$4.3B
FY Sep 2021
$3.4B
Jun 2026
$982.0M
Mar 2026
$904.0M
Dec 2025
$849.0M
Sep 2025
$899.0M
Jun 2025
$923.0M
Mar 2025
$936.0M
Dec 2024
$955.0M
Sep 2024
$1.0B
At each fiscal year end
Single quarter
Net margin, TTM
+5.2%
net income over revenue, 2025-07-01 to 2026-06-30
Net margin, TTM CBT
FY Sep 2025
+8.9%
FY Sep 2024
+9.5%
FY Sep 2023
+11.3%
FY Sep 2022
+4.8%
FY Sep 2021
+7.3%
Jun 2026
+0.6%
Mar 2026
+7.5%
Dec 2025
+8.6%
Sep 2025
+4.8%
Jun 2025
+10.9%
Mar 2025
+10.0%
Dec 2024
+9.7%
Sep 2024
+13.7%
At each fiscal year end
Single quarter
Free cash flow, TTM
$281.0M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM CBT
FY Sep 2025
$391.0M
FY Sep 2024
$451.0M
FY Sep 2023
$351.0M
FY Sep 2022
-$111.0M
FY Sep 2021
$62.0M
Jun 2026
$37.0M
Mar 2026
$32.0M
Dec 2025
$57.0M
Sep 2025
$155.0M
Jun 2025
$188.0M
Mar 2025
$1.0M
Dec 2024
$47.0M
Sep 2024
$112.0M
At each fiscal year end
Single quarter
Debt to equity
0.68x
long-term 2026-06-30 plus current 2026-06-30; equity 2026-06-30
Debt to equity CBT
FY Sep 2025
0.72x
FY Sep 2024
0.77x
FY Sep 2023
0.87x
FY Sep 2022
1.22x
FY Sep 2021
1.15x
Jun 2026
0.68x
Mar 2026
0.72x
Dec 2025
0.71x
Sep 2025
0.72x
Jun 2025
0.72x
Mar 2025
0.77x
Dec 2024
0.80x
Sep 2024
0.77x
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
0.46x
TTM operating cash flow over long-term 2026-06-30 plus current 2026-06-30
Cash flow to debt CBT
FY Sep 2025
0.60x
FY Sep 2024
0.63x
FY Sep 2023
0.54x
FY Sep 2022
0.09x
FY Sep 2021
0.24x
Jun 2026
0.46x
Mar 2026
0.60x
Dec 2025
0.60x
Sep 2025
0.60x
Jun 2025
0.58x
Mar 2025
0.55x
Dec 2024
0.65x
Sep 2024
0.63x
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
+12.1%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity CBT
FY Sep 2025
+22.3%
FY Sep 2024
+28.3%
FY Sep 2023
+41.2%
FY Sep 2022
+22.7%
FY Sep 2021
+30.5%
Jun 2026
+12.1%
Mar 2026
+19.0%
Dec 2025
+21.1%
Sep 2025
+22.3%
Jun 2025
+29.4%
Mar 2025
+31.0%
Dec 2024
+31.4%
Sep 2024
+28.3%
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
+4.9%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets CBT
FY Sep 2025
+8.8%
FY Sep 2024
+10.4%
FY Sep 2023
+12.5%
FY Sep 2022
+6.1%
FY Sep 2021
+8.2%
Jun 2026
+4.9%
Mar 2026
+7.4%
Dec 2025
+8.4%
Sep 2025
+8.8%
Jun 2025
+11.5%
Mar 2025
+11.7%
Dec 2024
+11.5%
Sep 2024
+10.4%
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
+11.0%
operating income after a 46.2% effective tax rate, over long-term 2026-06-30 plus current 2026-06-30 plus average of 2025-06-30 and 2026-06-30 minus cash
Return on invested capital CBT
FY Sep 2025
+17.2%
FY Sep 2024
+22.0%
FY Sep 2023
n/a
FY Sep 2022
+14.8%
FY Sep 2021
+18.1%
Jun 2026
+11.0%
Mar 2026
+14.9%
Dec 2025
+16.1%
Sep 2025
+17.2%
Jun 2025
+21.4%
Mar 2025
+22.2%
Dec 2024
+22.6%
Sep 2024
+22.0%
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
+16.6%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
Return on capital employed CBT
FY Sep 2025
+21.3%
FY Sep 2024
+21.4%
FY Sep 2023
+20.2%
FY Sep 2022
+17.0%
FY Sep 2021
+20.6%
Jun 2026
+16.6%
Mar 2026
+19.4%
Dec 2025
+20.6%
Sep 2025
+21.3%
Jun 2025
+21.3%
Mar 2025
+21.9%
Dec 2024
+22.0%
Sep 2024
+21.4%
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
20.79x
close 2026-10-27 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
P/E, trailing CBT
FY Sep 2025
12.63x
FY Sep 2024
16.61x
FY Sep 2023
8.96x
FY Sep 2022
17.80x
FY Sep 2021
11.55x
Jun 2026
25.51x
Mar 2026
14.21x
Dec 2025
11.59x
Sep 2025
12.63x
Jun 2025
9.82x
Mar 2025
10.77x
Dec 2024
12.14x
Sep 2024
16.61x
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
$4.7B
market value at close 2026-10-27 on 2026-07-31 shares, plus long-term 2026-06-30 plus current 2026-06-30, minus cash 2026-06-30
Enterprise value CBT
FY Sep 2025
$4.9B
FY Sep 2024
$7.0B
FY Sep 2023
$4.7B
FY Sep 2022
$4.5B
FY Sep 2021
$3.8B
Jun 2026
$5.5B
Mar 2026
$4.8B
Dec 2025
$4.4B
Sep 2025
$4.9B
Jun 2025
$4.9B
Mar 2025
$5.4B
Dec 2024
$5.9B
Sep 2024
$7.0B
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
+7.4%
TTM free cash flow over market value at close 2026-10-27
FCF yield CBT
FY Sep 2025
+9.7%
FY Sep 2024
+7.4%
FY Sep 2023
+9.1%
FY Sep 2022
-3.1%
FY Sep 2021
+2.2%
Jun 2026
+6.0%
Mar 2026
+11.0%
Dec 2025
+11.4%
Sep 2025
+9.7%
Jun 2025
+8.6%
Mar 2025
+7.0%
Dec 2024
+9.0%
Sep 2024
+7.4%
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
trailing EPS growth -53%, PEG needs growth
PEG, trailing CBT
FY Sep 2025
n/a
FY Sep 2024
n/a
FY Sep 2023
0.08x
FY Sep 2022
n/a
FY Sep 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-27. Hover or tap a tile for its yearly and quarterly history.Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
CBT ranks highest on profitability (67th percentile) and financial health (67th), and lowest on insider conviction (2nd), among Materials peers.
Profitability
67
Inputs
Return on equity+12.1% · 63 pct, sector of 100
Return on assets+4.9% · 66 pct, sector of 120
Return on invested capital+11.0% · 61 pct, sector of 37
Return on capital employed+16.6% · 80 pct, sector of 96
Financial health
67
Inputs
Debt to equity0.68x · 49 pct, sector of 104
Cash flow to debt0.46x · 85 pct, sector of 103
Growth
23
Inputs
Revenue growth, YoY-7.0% · 23 pct, sector of 128
Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
2
Inputs
Net Form 4 buying (codes P and S), 180d-$19.6M · 4 pct, sector of 80
Insider buyers, 180d0 · 0 pct, sector of 80
Institutional and government
60
Inputs
Funds adding, latest quarter210 · 69 pct, sector of 118
Congress net buyers, 365dno Congress trades in 365 days
Federal contracts, 180dno federal contracts in 180 days
Lobbying spend, 4 quarters$250K · 51 pct, sector of 40
Risk and compliance
51
Inputs
Short interest, % of float+8.7% · 23 pct, sector of 143
Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
EPA cases per $1B revenue, 5y0.00 per $1B · 100 pct, sector of 103
New text in Risk Factors, latest 10-K+15.4% · 31 pct, sector of 111
1 not measured: US patents
US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet
6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
CBT filings, in plain words
Are Cabot insiders buying or selling CBT?
In the 180 days to 2026-10-28, Cabot insiders were net sellers, a net $19.6M across purchases and sales reported on Form 4, by 1 seller.
Are there planned insider sales of CBT?
Yes. 3 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-28, covering $19.6M of stock; the latest, by Keohane Sean D, was filed 2026-08-28.
Read the full summary
In the 180 days to 2026-10-28, Cabot insiders were net sellers of CBT, a net $19.6M across purchases and sales reported on Form 4 by 1 seller. None of the 3 insider sales was flagged as made under a Rule 10b5-1 plan. Insiders filed 3 Form 144 notices of intent to sell in the 90 days to 2026-10-28, covering $19.6M of stock. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.
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