buyModerate

Berkshire Hathaway Inc bought $589M of OXY

owner at OCCIDENTAL PETROLEUM CORP /DE/. 10,482,162 shares at an average of $56.16, traded Dec 11, 2023, filed Dec 13, 2023.

Conviction score

Value

$589M

10,482,162 shares

Holdings after

238,533,189

+5% from before

From 52-week low

+2%

low $52.93, close $54.18

From 52-week high

-15%

high $63.70, as of Dec 11, 2023

Score components

Role
10% owner
+12
Trade size
$588.7M at market
+25
Relative to holdings
Holdings up 4.6%
0
Price context
2% above the 52-week low
+10
Cluster
No other insider buying within 14 days
0
Repeat buying
2 buys in 90 days
+5
Track record
Median 6-month excess return -6% over 12 past buys
-5
Outside holder
A 10% owner who is not an officer or director
-5

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

OXYOct 9, 2026 · close 60.11

Since filing Dec 13, 2023: +10.6%SPY +71.5% · excess -60.8%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000950170-23-070147, as filed. Open on EDGAR

Date	Transaction	Shares	Price	Value	Holdings after	Filed
Dec 11, 2023	POpen-market purchase Common Stockindirect: See footnotes	+2,149,802	$56.91	$122M	230,200,829	Dec 13, 2023
Dec 12, 2023	POpen-market purchase Common Stockindirect: See footnotes	+5,026,004	$55.58	$279M	235,226,833	Dec 13, 2023
Dec 12, 2023	POpen-market purchase Common Stockindirect: See footnotes	+105,557	$56.47	$6.0M	235,332,390	Dec 13, 2023
Dec 13, 2023	POpen-market purchase Common Stockindirect: See footnotes	+1,675,906	$56.10	$94M	237,008,296	Dec 13, 2023
Dec 13, 2023	POpen-market purchase Common Stockindirect: See footnotes	+1,524,893	$57.05	$87M	238,533,189	Dec 13, 2023

Related signals

Other insiders at OCCIDENTAL PETROLEUM CORP /DE/ and this insider’s other filings.

Score	Company	Insider	Value	Holdings	Filed
42Moderate	OXYbuy OCCIDENTAL PETROLEUM CORP /DE/	Richard A. Jackson President and CEO	$250k 4,770 shares	+1%	Jun 24, 2026
41Moderate	OXYbuy OCCIDENTAL PETROLEUM CORP /DE/	William R Klesse director	$195k 5,000 shares	+2%	Dec 17, 2025
32Weak	OXYbuy OCCIDENTAL PETROLEUM CORP /DE/	Berkshire Hathaway Inc owner	$36M 763,017 shares	+0%	Feb 11, 2025
32Weak	OXYbuy OCCIDENTAL PETROLEUM CORP /DE/	Berkshire Hathaway Inc owner	$409M 8,896,890 shares	+3%	Dec 19, 2024
42Moderate	OXYbuy OCCIDENTAL PETROLEUM CORP /DE/	Berkshire Hathaway Inc owner	$176M 2,947,611 shares	+1%	Jun 17, 2024
37Weak	OXYbuy OCCIDENTAL PETROLEUM CORP /DE/	Berkshire Hathaway Inc owner	$106M 1,750,308 shares	+1%	Jun 12, 2024
37Weak	OXYbuy OCCIDENTAL PETROLEUM CORP /DE/	Berkshire Hathaway Inc owner	$153M 2,565,477 shares	+1%	Jun 7, 2024
42Moderate	OXYbuy OCCIDENTAL PETROLEUM CORP /DE/	Berkshire Hathaway Inc owner	$246M 4,302,324 shares	+2%	Feb 5, 2024
42Moderate	OXYbuy OCCIDENTAL PETROLEUM CORP /DE/	Berkshire Hathaway Inc owner	$312M 5,182,615 shares	+2%	Dec 21, 2023
31Weak	OXYbuy OCCIDENTAL PETROLEUM CORP /DE/	Berkshire Hathaway Inc owner	$246M 3,921,835 shares	+2%	Oct 25, 2023

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.