WaveMan
WaveMan · Company
CBT · Cabot Corp
> Search tickers & screens ⌘K
LIVE
← All companies

CBT Cabot (CBT) Insider Trading, Ownership & Congress Trades

Materials · Miscellaneous chemical products · CIK 0000016040
Form 144 · 3
Insider buyers, 180 days
0
House members buying, 1 year
0
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.

Insider
Filed
Shares
Value
Since filing
President and CEO
SELL
2026-08-31 SECtraded 2026-08-28
134,895
$11.5M
-8.2%
Context
  • 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.
President and CEO
SELL
2026-08-26 SECtraded 2026-08-24
2,779
$237.6K
-12.0%
Context
  • 12 earlier Form 4 trades (code P or S) here by this insider (12 sales), the last on Aug 7, 2026.
  • The trade is 1.0% of the 288,873 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 $237.6K of CBT on Aug 24, 2026; 210 funds added in the latest 13F quarter.
President and CEO
SELL
2026-08-11 SECtraded 2026-08-07
91,923
$7.9M
-13.7%
Context
  • 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.
President and CEO
SELL
2025-08-15 SECtraded 2025-08-14
2,369
$188.6K
-3.5%
Context
  • 7 earlier Form 4 trades (code P or S) here by this insider (7 sales), the last on Sep 3, 2024.
  • The trade is 0.7% of the 361,518 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 $188.6K of CBT on Aug 14, 2025; 210 funds added in the latest 13F quarter.
President and CEO
SELL
2025-08-15 SECtraded 2025-08-14
80,304
$6.4M
-3.5%
Context
  • 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.
Showing the latest few. to see 59 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$19.6M over 180 days
-$19.6M over 90 days
below 96% of Materials
Congress
no House purchase disclosed in the last 12 months
Funds
210 funds bought in last quarter
more than 69% of Materials
Revenue
-7.0% year over year
below 77% of Materials
Margin
8.9% net margin
more than 79% of Materials
Buybacks
$101.0M repurchased, FY to 2026-06-30
more than 63% of Materials
Short interest
8.7% of the float short (float per yahoo 2026-10-26) · 10.1 days to cover · settled 2026-09-30
more than 81% of Materials
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch CBT

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+6.0%12M
-17%-0%+17%+34%2025-102025-122026-022026-042026-062026-082026-10 2026-08-28 · Keohane Sean D sold $11.5M2026-08-07 · Keohane Sean D sold $7.9M2026-08-24 · Keohane Sean D sold $237.6K2026-08-28 · Keohane Sean D filed to sell $11.5M2026-08-24 · Keohane Sean D filed to sell $237.6K2026-08-07 · Keohane Sean D filed to sell $7.9M
Insider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns CBT: institutional holders (13F)

13F holdings, latest reported quarter
6,973,153 sh
$633.3M
$303.9M

Congress trades in CBT

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
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.
Same sector, ranked by filing activity
Sector by SEC SIC code

CBT financials

Revenue growth
-7.0%
XBRL, annual
Net margin
8.9%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$3.6B
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
+5.2%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
$281.0M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
0.68x
long-term 2026-06-30 plus current 2026-06-30; equity 2026-06-30
Cash flow to debt
0.46x
TTM operating cash flow over long-term 2026-06-30 plus current 2026-06-30
Return on equity
+12.1%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
+4.9%
TTM net income over average of 2025-06-30 and 2026-06-30
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 capital employed
+16.6%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
20.79x
close 2026-10-27 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
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
FCF yield
+7.4%
TTM free cash flow over market value at close 2026-10-27
PEG, trailing
n/a
trailing EPS growth -53%, PEG needs growth
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.
2025-092024-092023-092022-09
Revenue$3.7B$4.0B$3.9B$4.3B
Gross profit$940.0M$960.0M$839.0M$885.0M
Operating income$621.0M$614.0M$526.0M$389.0M
Net income$331.0M$380.0M$445.0M$209.0M
EPS (diluted)6.026.727.733.62
Operating cash flow$665.0M$692.0M$595.0M$100.0M
Cash$258.0M$223.0M$238.0M$206.0M
Long-term debt$856.0M$1.1B$1.1B$1.1B
Buybacks$168.0M$172.0M$98.0M$53.0M
Dividends paid$96.0M$93.0M$88.0M$84.0M
SEC XBRL, fiscal years, as known on 2026-10-28

CBT Stock Sonar score 6/7 axes

Find similar shapesCompare

CBT ranks highest on profitability (67th percentile) and financial health (67th), and lowest on insider conviction (2nd), among Materials peers.

ProfitHealthGrowthInsidersInstitutionsRisk
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.

Explore insider trading and ownership data

Every company we track, ranked by each kind of filing