Century Aluminum Company

CENXNASDAQBasic Materials● Active

$63.55

+$3.43(+5.71%)

Market Cap$6.3B

P/E Ratio—

52W High$70.43

52W Low$16.59

Avg Volume2.0M

Open$62.71

Beta1.92

Overview

Century Aluminum Company (CENX) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · CENX · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Century Aluminum Company insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

CENX insider buying and selling by quarter

CENX insider selling · CENX insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

9.5M4.8M0

2024 Q2

2024 Q3

2024 Q4

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · CENX ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

CENX executive sell shares · CENX board member insider trading · CENX insider trading SEC filing

Showing 96 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Mar 25, 2026	Trpkovski Peter A EVP, CFO	Sale	16,739	$50.51	$845K	64,125	Form 4
Mar 16, 2026	Gary Jesse E President and CEO · Director	Sale	150,000	$55.47	$8.32M⚡	142,580	Form 4
Mar 12, 2026	Calloway Kenneth L SVP, Human Resources	Sale	18,000	$58.00	$1.04M⚡	24,902	Form 4
Mar 11, 2026	Hoffman Robert F SVP, IT and CAO	Sale	10,529	$56.51	$595K	56,643	Form 4
Mar 4, 2026	Hoffman Robert F SVP, IT and CAO	Sale	10,000	$56.33	$563K	67,172	Form 4
Mar 2, 2026	Aboud Matt SVP, Strategy & Business Dev't	Sale	12,126	$52.50	$637K	67,814	Form 4
Mar 3, 2026	Aboud Matt SVP, Strategy & Business Dev't	Sale	2,971	$52.67	$156K	64,843	Form 4
Mar 4, 2026	GLENCORE INTERNATIONAL AG 10 percent owner	Sale	6,315,245	$51.75	$326.81M⚡	12,184,755	Form 4
Feb 27, 2026	Hafberg Agust F SVP & Chief Commercial Officer	Sale	22,884	$51.24	$1.17M⚡	45,059	Form 4
Feb 25, 2026	Gudlaugsson Gunnar EVP - Global Operations	Sale	43,000	$54.10	$2.33M⚡	136,393	Form 4
Feb 23, 2026	DeZee John EVP, GC and Secretary	Sale	66,000	$50.72	$3.35M⚡	97,647	Form 4
Feb 9, 2026	Trpkovski Peter A EVP, CFO	Other	4,240	$54.36	$230K	80,864	Form 4
Jan 12, 2026	Gary Jesse E President and CEO · Director	Gift	314,611	—	—	442,580	Form 4
Jan 23, 2026	Gary Jesse E President and CEO · Director	Sale	150,000	$48.19	$7.23M⚡	292,580	Form 4
Jan 12, 2026	Gary Jesse E President and CEO · Director	Gift	314,611	—	—	277,227	Form 4
Dec 31, 2025	Gary Jesse E President and CEO · Director	Award	439,090	—	—	805,237	Form 4
Dec 31, 2025	Gary Jesse E President and CEO · Director	Other	203,131	$39.18	$7.96M⚡	602,106	Form 4
Jan 1, 2026	Gary Jesse E President and CEO · Director	Award	57,443	—	—	591,838	Form 4
Dec 31, 2025	Gary Jesse E President and CEO · Director	Other	67,711	$39.18	$2.65M⚡	534,395	Form 4
Dec 31, 2025	Gudlaugsson Gunnar EVP - Global Operations	Award	82,794	—	—	226,598	Form 4
Dec 31, 2025	Gudlaugsson Gunnar EVP - Global Operations	Other	41,886	$39.18	$1.64M⚡	184,712	Form 4
Jan 1, 2026	Gudlaugsson Gunnar EVP - Global Operations	Award	15,624	—	—	179,393	Form 4
Dec 31, 2025	Gudlaugsson Gunnar EVP - Global Operations	Other	20,943	$39.18	$821K	163,769	Form 4
Dec 31, 2025	Hafberg Agust F SVP & Chief Commercial Officer	Award	30,878	—	—	86,138	Form 4
Dec 31, 2025	Hafberg Agust F SVP & Chief Commercial Officer	Other	15,622	$39.18	$612K	70,516	Form 4

Trpkovski Peter A

EVP, CFO

Sale

Date

Mar 25

16,739

Price

$50.51

Value

$845K

View Form 4 on SEC.gov

Gary Jesse E

President and CEO · Director

Sale

Date

Mar 16

150,000

Price

$55.47

Value

$8.32M ⚡

View Form 4 on SEC.gov

Calloway Kenneth L

SVP, Human Resources

Sale

Date

Mar 12

18,000

Price

$58.00

Value

$1.04M ⚡

View Form 4 on SEC.gov

Hoffman Robert F

SVP, IT and CAO

Sale

Date

Mar 11

10,529

Price

$56.51

Value

$595K

View Form 4 on SEC.gov

Hoffman Robert F

SVP, IT and CAO

Sale

Date

Mar 4

10,000

Price

$56.33

Value

$563K

View Form 4 on SEC.gov

Aboud Matt

SVP, Strategy & Business Dev't

Sale

Date

Mar 2

12,126

Price

$52.50

Value

$637K

View Form 4 on SEC.gov

Aboud Matt

SVP, Strategy & Business Dev't

Sale

Date

Mar 3

2,971

Price

$52.67

Value

$156K

View Form 4 on SEC.gov

GLENCORE INTERNATIONAL AG

10 percent owner

Sale

Date

Mar 4

6,315,245

Price

$51.75

Value

$326.81M ⚡

View Form 4 on SEC.gov

Hafberg Agust F

SVP & Chief Commercial Officer

Sale

Date

Feb 27

22,884

Price

$51.24

Value

$1.17M ⚡

View Form 4 on SEC.gov

Gudlaugsson Gunnar

EVP - Global Operations

Sale

Date

Feb 25

43,000

Price

$54.10

Value

$2.33M ⚡

View Form 4 on SEC.gov

DeZee John

EVP, GC and Secretary

Sale

Date

Feb 23

66,000

Price

$50.72

Value

$3.35M ⚡

View Form 4 on SEC.gov

Trpkovski Peter A

EVP, CFO

Other

Date

Feb 9

4,240

Price

$54.36

Value

$230K

View Form 4 on SEC.gov

Gary Jesse E

President and CEO · Director

Gift

Date

Jan 12

314,611

Price

—

Value

—

View Form 4 on SEC.gov

Gary Jesse E

President and CEO · Director

Sale

Date

Jan 23

150,000

Price

$48.19

Value

$7.23M ⚡

View Form 4 on SEC.gov

Gary Jesse E

President and CEO · Director

Gift

Date

Jan 12

314,611

Price

—

Value

—

View Form 4 on SEC.gov

Gary Jesse E

President and CEO · Director

Award

Date

Dec 31

439,090

Price

—

Value

—

View Form 4 on SEC.gov

Gary Jesse E

President and CEO · Director

Other

Date

Dec 31

203,131

Price

$39.18

Value

$7.96M ⚡

View Form 4 on SEC.gov

Gary Jesse E

President and CEO · Director

Award

Date

Jan 1

57,443

Price

—

Value

—

View Form 4 on SEC.gov

Gary Jesse E

President and CEO · Director

Other

Date

Dec 31

67,711

Price

$39.18

Value

$2.65M ⚡

View Form 4 on SEC.gov

Gudlaugsson Gunnar

EVP - Global Operations

Award

Date

Dec 31

82,794

Price

—

Value

—

View Form 4 on SEC.gov

Gudlaugsson Gunnar

EVP - Global Operations

Other

Date

Dec 31

41,886

Price

$39.18

Value

$1.64M ⚡

View Form 4 on SEC.gov

Gudlaugsson Gunnar

EVP - Global Operations

Award

Date

Jan 1

15,624

Price

—

Value

—

View Form 4 on SEC.gov

Gudlaugsson Gunnar

EVP - Global Operations

Other

Date

Dec 31

20,943

Price

$39.18

Value

$821K

View Form 4 on SEC.gov

Hafberg Agust F

SVP & Chief Commercial Officer

Award

Date

Dec 31

30,878

Price

—

Value

—

View Form 4 on SEC.gov

Hafberg Agust F

SVP & Chief Commercial Officer

Other

Date

Dec 31

15,622

Price

$39.18

Value

$612K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About CENX insider trading

CENX insider trades

Century Aluminum Company (CENX) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Gary Jesse E (President and CEO · Director), Aboud Matt (SVP, Strategy & Business Dev't), Trpkovski Peter A (EVP, CFO). Over the past 12 months, 5 insiders have filed transactions with the SEC. CENX insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Century Aluminum Company's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

CENX insider trading · 5 questions

The insiders of Century Aluminum Company (CENX) include executives and directors such as Gary Jesse E (President and CEO · Director), Aboud Matt (SVP, Strategy & Business Dev't), Trpkovski Peter A (EVP, CFO), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

CENX board member insider tradingwho are CENX insidersCENX insider rosterCentury Aluminum Company executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026