SEC Form 4
Kaiser Aluminum Corporation (KALU) insider trading
In the 12 months to Oct 24, 2026, 7 KALU insiders reported open-market sales of $16.7M across 10 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $16.7M
- 10 filings · 7 insiders
- Open-market purchases
- $0
- 0 filings
Who traded KALU, and when
- Sale
KALU daily close from Oct 24, 2025 to Oct 23, 2026, between $88.63 and $195.63, last $107.28. 10 sale and 0 purchase filings by 7 insiders, marked at their filing dates. Keith Harvey, President & CEO: sold $8.8M across 2 filings, first filed Apr 29, 2026, last May 1, 2026. John Malcolm Donnan, EVP, CAO and GC: sold $2.8M across 2 filings, first filed Feb 25, 2026, last Apr 29, 2026. Brett Wilcox, Director: sold $2.6M across 1 filing, first filed Apr 29, 2026, last Apr 29, 2026. Neal E. West, EVP & CFO: sold $1.5M across 2 filings, first filed Feb 25, 2026, last Apr 29, 2026. Blain Tiffany, EVP - Sales & Marketing: sold $813.0K across 1 filing, first filed Nov 10, 2025, last Nov 10, 2025. Richard P. Grimley, Director: sold $261.4K across 1 filing, first filed May 1, 2026, last May 1, 2026. Iulian Gheorghe, SVP - Adv Eng & Innovation: sold $30.5K across 1 filing, first filed Apr 29, 2026, last Apr 29, 2026.
Largest mark · tap a row for others
Keith Harvey · President & CEO
Filing 1 of 2 within a week · $8,754,162 total
Sale $8,229,405
47,001 shares at $175.09 avg
Filed Apr 29, 2026 · traded Apr 27
Close on filing date $172.52
Keith Harvey · President & CEO
President & CEO
$8.8M soldJohn Malcolm Donnan · EVP, CAO and GC
EVP, CAO and GC
$2.8M soldBrett Wilcox · Director
Director
$2.6M soldNeal E. West · EVP & CFO
EVP & CFO
$1.5M soldBlain Tiffany · EVP - Sales & Marketing
EVP - Sales & Marketing
$813.0K soldRichard P. Grimley · Director
Director
$261.4K soldIulian Gheorghe · SVP - Adv Eng & Innovation
SVP - Adv Eng & Innovation
$30.5K soldHas the Kaiser Aluminum Corporation's CEO sold stock?
Yes. Keith Harvey (CEO) sold 50,032 shares ($8.8M) between Apr 2026 and May 2026.
Open-market trades
10 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Keith Harvey | President & CEO | $8.8M | — | 2 | — | |
| John Malcolm Donnan | EVP, CAO and GC | $2.8M | — | 2 | — | |
| Brett Wilcox | Director | $2.6M | — | 1 | — | |
| Neal E. West | EVP & CFO | $1.5M | — | 2 | — | |
| Blain Tiffany | EVP - Sales & Marketing | $813.0K | — | 1 | — | |
| Richard P. Grimley | Director | $261.4K | — | 1 | — | |
| Iulian Gheorghe | SVP - Adv Eng & Innovation | $30.5K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Keith Harvey President & CEO | Sale | 3,031 | $173.13 | $524.8K | 94,308 | |
traded | Richard P. Grimley Director | Sale | 1,524 | $171.52 | $261.4K | 4,578 | |
traded | Keith Harvey President & CEO | Sale | 47,001 | $175.09 | $8.2M | 97,339 | |
traded | Neal E. West EVP & CFO | Sale | 5,000 | $173.29 | $866.5K | 19,091 | |
traded | Iulian Gheorghe SVP - Adv Eng & Innovation | Sale | 175 | $174.22 | $30.5K | 4,448 | |
traded | John Malcolm Donnan EVP, CAO and GC | Sale | 2,743 | $178.20 | $488.8K | 29,700 | |
traded | Brett Wilcox Director | Sale | 15,000 | $174.44 | $2.6M | 9,887 | |
traded | Neal E. West EVP & CFO | Sale | 5,000 | $121.72 | $608.6K | 12,775 | |
traded | John Malcolm Donnan EVP, CAO and GC | Sale | 18,461 | $125.08 | $2.3M | 22,205 | |
traded | Blain Tiffany EVP - Sales & Marketing | Sale | 8,656 | $93.92 | $813.0K | 26,275 |
GET /stocks/filings/vX/form-4?tickers=KALU&filing_date.gte=2025-10-24&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"KALU"
],
"issuer_cik": "0000811596",
"owner_cik": "0001551869",
"accession_number": "0001193125-26-201545",
"form_type": "4",
"filing_date": "2026-05-01",
"period_of_report": "2026-04-29",
"issuer_name": "KAISER ALUMINUM CORP",
"issuer_trading_symbol": "KALU",
"owner_name": "Harvey Keith",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "President & CEO",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock, par value $0.01 per share",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-04-29",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 3031,
"transaction_price_per_share": 173.13,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 94308,
"transaction_value": 524757.03,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Represents the sale of 3,031 shares in multiple transactions, ranging from $173.00 to $173.80 per share, resulting in a weighted average sale price of $173.13 per share. The reporting person undertake to provide upon request by the SEC staff, the Registrant, or a security holder of the Registrant, full information regarding the number of shares sold at each separate price within the range."
},
{
"id": "F2",
"description": "Includes 72,565 shares acquired pursuant to grants of restricted stock units."
}
]
},
{
"tickers": [
"KALU"
],
"issuer_cik": "0000811596",
"owner_cik": "0001972491",
"accession_number": "0001193125-26-201607",
"form_type": "4",
"filing_date": "2026-05-01",
"period_of_report": "2026-04-29",
"issuer_name": "KAISER ALUMINUM CORP",
"issuer_trading_symbol": "KALU",
"owner_name": "Grimley Richard P.",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock, par value $0.01 per share",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-04-29",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 1524,
"transaction_price_per_share": 171.52,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 4578,
"transaction_value": 261396.48,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Represents the sale of 1,524 shares in multiple transactions, ranging from $171.25 to $171.74 per share, resulting in a weighed average sale price of $.171.52 per share. The reporting person undertakes to provide upon request by the SEC staff, the Registrant, or a security holder of the Registrant, full information regarding the number of shares sold at each separate price within the range."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 36 records
- Tax withholding11 records
- Grants and awards23 records
- Gifts1 record
- Other1 record
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
Build this yourself
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for KALU every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.