Harold Hamm and Sue Ann Arnall
1988–2014
$974.8M
The personal check she cashed in January 2015, after first refusing it.
- Years
- 26
- Kids
- 2
- Per day
- $103K
- Rank
- #9
Menu divided 50/50 under California Family Code § 2550
Divorces Hamm
Nearly a billion dollars, paid by personal check, down to the cent.
1988–2014
$974.8M
The personal check she cashed in January 2015, after first refusing it.
The card is sized for a screenshot.
The marriage, scored like a season.
Per-day figures divide the settlement by the days married, approximate where the exact dates aren’t public. Household income: U.S. Census Bureau, Income in the United States: 2024, Sep 9, 2025. $1-bill thickness: Bureau of Engraving and Printing, currency facts (archived).
Harold Hamm kept
Sue Ann Arnall got
Sources: (International Business Times; Associated Press; Fortune)
$974,790,317.77
The check. Someone did the math to the penny, and the first answer was no.
(Wikipedia: Harold Hamm)$7M
The minimum monthly payment on the balance. That’s about 84 median U.S. household incomes, every month.
(Fortune; Census Bureau)$17.6B
What her experts asked the court to split: the growth in his Continental shares since 1988. The judge didn’t buy it.
(Money Talks News)No. 9 of 46 divorces with a reported price tag.
Apr 1988
Married. (Wikipedia: Harold Hamm)
2005
He says they separated. (Wikipedia: Harold Hamm)
May 19, 2012
She files for divorce. (Wikipedia: Harold Hamm)
Aug–Oct 2014
A trial of more than nine weeks. (Reuters)
Nov 10, 2014
Judge Howard Haralson awards her $995.5 million in an 80-page ruling. (International Business Times)
Jan 2015
She cashes the $974,790,317.77 check after first refusing it. (Wikipedia: Harold Hamm)
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