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Who

Robert F. Hoffman

SVP, IT and CAO

Company insider

Files Form 4 as: SVP, IT and CAO, Century Aluminum.

In numbers

Trades disclosed
37
Buys
0
Sells
7
Bought
$0
Sold
$2.7M
Companies
1
Companies where not an officer
0
First trade
22 Mar 2014
Last trade
11 Mar 2026
Last filed
13 Mar 2026

Companies traded

Where they are an officer
CENX Century AluminumOfficer, Other · Steel & Metals Processing · last 11 Mar 20260 buys · 7 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
11 Mar 2026filed 13 Mar 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Sold$595K10,529 at $56.51filing
11 Mar 2026filed 13 Mar 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Sold$595K10,529 at $56.51filing
4 Mar 2026filed 6 Mar 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Sold$563K10,000 at $56.33filing
4 Mar 2026filed 6 Mar 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Sold$563K10,000 at $56.33filing
1 Jan 2026filed 5 Jan 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code A—5,122 at $0.00filing
1 Jan 2026filed 5 Jan 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code A—5,122 at $0.00filing
31 Dec 2025filed 5 Jan 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code A—31,650 at $0.00filing
31 Dec 2025filed 5 Jan 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code F$488K12,455 at $39.18filing
31 Dec 2025filed 5 Jan 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code F$244K6,228 at $39.18filing
31 Dec 2025filed 5 Jan 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code A—31,650 at $0.00filing
31 Dec 2025filed 5 Jan 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code F$488K12,455 at $39.18filing
31 Dec 2025filed 5 Jan 2026CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code F$244K6,228 at $39.18filing
20 Mar 2025filed 24 Mar 2025CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Sold$101K5,000 at $20.24filing
14 Mar 2025filed 18 Mar 2025CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Sold$50K2,500 at $19.99filing
1 Jan 2025filed 3 Jan 2025CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code A—8,257 at $0.00filing
31 Dec 2024filed 3 Jan 2025CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code A—13,723 at $0.00filing
31 Dec 2024filed 3 Jan 2025CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code F$98K5,401 at $18.22filing
31 Dec 2024filed 3 Jan 2025CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code F$34K1,852 at $18.22filing
1 Jan 2024filed 3 Jan 2024CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code A—14,472 at $0.00filing
31 Dec 2023filed 3 Jan 2024CENX Century AluminumSteel & Metals ProcessingSEC FORM 4 Code A—2,425 at $0.00filing

Sectors

Materials7

Buys in green, sells in red, by the company’s sector.

Related people

Jennifer Mary BushDirector · Director at Century Aluminum Co, filing Form 4 there in the last year
Errol GlasserDirector · Director at Century Aluminum Co, filing Form 4 there in the last year
Jarl BerntzenDirector · Director at Century Aluminum Co, filing Form 4 there in the last year
Tamla A. OlivierDirector · Director at Century Aluminum Co, filing Form 4 there in the last year
Andrew G. MichelmoreDirector · Director at Century Aluminum Co, filing Form 4 there in the last year