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CENX · Century Aluminum Co
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CENX Century Aluminum (CENX) Insider Trading, Ownership & Congress Trades

Mining & Metals · Primary production of aluminum · CIK 0000949157
Quote by TradingView
SEC filings
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
266
13F, latest reported quarter

Century Aluminum insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

No insider purchases or sales are on record for CENTURY ALUMINUM CO in the period covered. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
Trpkovski Peter A
EVP, CFO
SELL
2026-03-27 SECtraded 2026-03-25
16,739
$845.5K
-40.3%
Context
  • 1 earlier Form 4 trade (code P or S) here by this insider (1 sale), the last on Dec 28, 2023.
  • The trade is 26.1% of the 64,125 shares held after it.
  • 8 other insiders sold within 30 days.
  • 266 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: EVP, CFO Trpkovski Peter A sold about $845.5K of CENX on Mar 25, 2026; 8 other insiders sold within 30 days and 266 funds added in the latest 13F quarter.
Gary Jesse E
President and CEO
SELL
2026-03-17 SECtraded 2026-03-16
150,000
$8.3M
-42.5%
Context
  • 8 earlier Form 4 trades (code P or S) here by this insider (8 sales), the last on Jan 23, 2026.
  • The trade is 105.2% of the 142,580 shares held after it.
  • 8 other insiders sold within 30 days.
  • 266 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President and CEO Gary Jesse E sold about $8.3M of CENX on Mar 16, 2026; 8 other insiders sold within 30 days and 266 funds added in the latest 13F quarter.
Calloway Kenneth L
SVP, Human Resources
SELL
2026-03-13 SECtraded 2026-03-12
18,000
$1.0M
-42.9%
Context
  • 1 earlier Form 4 trade (code P or S) here by this insider (1 sale), the last on Sep 19, 2025.
  • The trade is 72.3% of the 24,902 shares held after it.
  • 8 other insiders sold within 30 days.
  • 266 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: SVP, Human Resources Calloway Kenneth L sold about $1.0M of CENX on Mar 12, 2026; 8 other insiders sold within 30 days and 266 funds added in the latest 13F quarter.
Hoffman Robert F
SVP, IT and CAO
SELL
2026-03-13 SECtraded 2026-03-11
10,529
$595.0K
-42.9%
Context
  • 6 earlier Form 4 trades (code P or S) here by this insider (6 sales), the last on Mar 4, 2026.
  • The trade is 18.6% of the 56,643 shares held after it.
  • 8 other insiders sold within 30 days.
  • 266 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: SVP, IT and CAO Hoffman Robert F sold about $595.0K of CENX on Mar 11, 2026; 8 other insiders sold within 30 days and 266 funds added in the latest 13F quarter.
Hoffman Robert F
SVP, IT and CAO
SELL
2026-03-06 SECtraded 2026-03-04
10,000
$563.3K
-41.6%
Context
  • 5 earlier Form 4 trades (code P or S) here by this insider (5 sales), the last on Mar 20, 2025.
  • The trade is 14.9% of the 67,172 shares held after it.
  • 8 other insiders sold within 30 days.
  • 266 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: SVP, IT and CAO Hoffman Robert F sold about $563.3K of CENX on Mar 4, 2026; 8 other insiders sold within 30 days and 266 funds added in the latest 13F quarter.
35 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.
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
266 funds bought in last quarter
more than 85% of Mining & Metals
Revenue
+13.9% year over year
more than 68% of Mining & Metals
Margin
1.7% net margin
below 53% of Mining & Metals
Buybacks
no share repurchases reported
Short interest
13.7% of the float short (float per yahoo 2026-10-27) · 4.8 days to cover · settled 2026-10-15
more than 88% of Mining & Metals
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch CENX

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.
+6.2%12M
-13%+35%+82%+130%2025-102025-122026-022026-042026-062026-082026-10 2026-03-04 · Glencore AG sold $326.8M2025-11-10 · GLENCORE INTERNATIONAL AG sold $272.2M2026-03-16 · Gary Jesse E sold $8.3M2026-01-23 · Gary Jesse E sold $7.2M2026-02-23 · DeZee John sold $3.3M2026-02-25 · Gudlaugsson Gunnar sold $2.3M2026-02-27 · Hafberg Agust F sold $1.2M2026-03-12 · Calloway Kenneth L sold $1.0M2026-03-25 · Trpkovski Peter A sold $845.5K2026-03-02 · Aboud Matt sold $636.6K2026-03-11 · Hoffman Robert F sold $595.0K2026-03-04 · Hoffman Robert F sold $563.3K2026-03-03 · Aboud Matt sold $156.5K
Insider sell
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns CENX: institutional holders (13F)

13F holdings, latest reported quarter
Glencore plc
29,690,702 sh
$1.4B
BlackRock, Inc.
10,304,905 sh
$474.1M
STATE STREET CORP
5,542,720 sh
$255.0M
VANGUARD PORTFOLIO MANAGEMENT LLC
4,773,720 sh
$219.6M
Assenagon Asset Management S.A.
3,062,334 sh
$140.9M

Congress trades in CENX

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.

CENX planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

CENX mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Invesco S&P SmallCap Materials ETF
$968.6K position · as of 2026-05-31
4.6%
ICON Natural Resources and Infrastructure Fund
$4.6M position · as of 2026-06-30
3.4%
State Street(R) SPDR(R) S&P(R) Metals & Mining ETF
$143.7M position · as of 2026-06-30
3.3%
ICON EQUITY FUND
$1.9M position · as of 2026-06-30
3.2%
Counterpoint Quantitative Equity ETF
$7.1M position · as of 2026-06-30
1.9%
Invesco Dorsey Wright Basic Materials Momentum ETF
$1.4M position · as of 2026-07-31
1.9%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Peo2
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
2020
$5.2M
$12.2M
$1.5M
+47%
+15%
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
The complete filing record, in one place.
The record shows 266 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
MPTGNUENEMIEHYMCNWPXATIUUUUCRSLEUUSLM

CENX financials

Revenue growth
+13.9%
XBRL, annual
Net margin
1.7%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$2.7B
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
+22.6%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
$151.2M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
0.37x
long-term 2023-12-31 (30 months older than the period end) plus current 2023-09-30 (33 months older than the period end); equity 2026-06-30
Cash flow to debt
0.66x
TTM operating cash flow over long-term 2023-12-31 (30 months older than the period end) plus current 2023-09-30 (33 months older than the period end)
Return on equity
+56.6%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
+24.0%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
the filed year and its quarters do not reconcile, so the trailing figure is withheld
Return on capital employed
n/a
the filed year and its quarters do not reconcile, so the trailing figure is withheld
P/E, trailing
5.49x
close 2026-10-26 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
Enterprise value
$3.3B
market value at close 2026-10-26 on 2026-08-04 shares, plus long-term 2023-12-31 (30 months older than the period end) plus current 2023-09-30 (33 months older than the period end), minus cash 2026-06-30
FCF yield
+4.8%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
0.01x
P/E over trailing EPS growth of 408%: four quarters to 2026-06-30 against the four to 2025-06-30
Price as of 2026-10-26. 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.
2025-122024-122023-122022-12
Revenue$2.5B$2.2B$2.2B$2.8B
Gross profit$256.4M$172.0M$87.6M$46.7M
Operating income$158.1M$108.4M$27.5M-$150.2M
Net income$40.0M$319.0M-$43.0M-$14.0M
EPS (diluted)0.423.27-0.47-0.15
Operating cash flow$185.0M-$24.6M$105.6M$25.9M
Cash$134.2M$32.9M$88.8M$54.3M
Long-term debtn/an/a$430.9M$381.6M
SEC XBRL, fiscal years, as known on 2026-10-28

CENX Stock Sonar score 5/7 axes

Find similar shapesCompare

CENX ranks highest on profitability (99th percentile) and institutional and government (81st), and lowest on risk and compliance (51st), among Mining & Metals peers.

ProfitHealthGrowthInstitutionsRisk
Profitability
99
Inputs
  • Return on equity+56.6% · 99 pct, sector of 89
  • Return on assets+24.0% · 98 pct, sector of 114
  • Return on invested capitalthe filed year and its quarters do not reconcile, so the trailing figure is withheld
  • Return on capital employedthe filed year and its quarters do not reconcile, so the trailing figure is withheld
Financial health
61
Inputs
  • Debt to equity0.37x · 41 pct, sector of 80
  • Cash flow to debt0.66x · 81 pct, sector of 75
Growth
68
Inputs
  • Revenue growth, YoY+13.9% · 68 pct, sector of 81
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Institutional and government
81
Inputs
  • Funds adding, latest quarter266 · 85 pct, sector of 152
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quarters$550K · 78 pct, sector of 51
Risk and compliance
51
Inputs
  • Short interest, % of float+13.7% · 9 pct, sector of 252
  • 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 47
  • New text in Risk Factors, latest 10-K+15.1% · 44 pct, sector of 76
2 not measured: Insider conviction, US patents
  • Insider conviction needs 1 of 2 inputs, 0 present: no Form 4 purchase or sale (code P or S) in 180 days; no insider trades in 180 days
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 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

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