Hafberg Agust F
Officer · CENX
As of 2026-09-16, Hafberg Agust F has 10 Form 4 transactions on record across 1 company — 6 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $1.8M
- Indirect $0
| CENX | direct | 45,059 sh | $1.8M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-02-27 | CENX | Sale | 22,884 @ $51.24 | $1.2M | −33.7% of holding | 45,059 | Form 4 |
| 2025-09-26 | CENX | Sale | 9,493 @ $27.91 | $265K | −14.7% of holding | 55,260 | Form 4 |
8 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-01-01 | CENX | Award / grant | 5,238 | 67,943 | Form 4 |
| 2025-12-31 | CENX | Withheld for tax | 15,622 | 70,516 | Form 4 |
| 2025-12-31 | CENX | Withheld for tax | 7,811 | 62,705 | Form 4 |
| 2025-12-31 | CENX | Award / grant | 30,878 | 86,138 | Form 4 |
| 2025-01-01 | CENX | Award / grant | 7,787 | 64,753 | Form 4 |
| 2024-12-31 | CENX | Withheld for tax | 7,235 | 59,447 | Form 4 |
| 2024-12-31 | CENX | Withheld for tax | 2,481 | 56,966 | Form 4 |
| 2024-12-31 | CENX | Award / grant | 14,304 | 66,682 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.