A billionaire oil tycoon accused of brutally dumping his girlfriend for a society maven quietly snapped up a $30 million New York City penthouse just months after the break-up – despite insisting he couldn’t support his ex due to 'cash flow issues,' a lawsuit claims.
uncertain
lawsuit → accuse → issues
Sid Bass, 84, had allegedly promised his scorned partner, Oona Sperr, a $50 million lump sum payment when he abruptly called it quits on their decade-long relationship back in September 2024, according to court papers filed last month.
uncertain
he → promise → papers
But Sperr, 64, alleges in her bombshell suit that Bass, who has an estimated net worth of $4.6 billion, quickly reneged on his promise due to apparent money woes.
asserted
who → allege → woes
When Sperr questioned Bass about his decision to walk back the initial alleged offer, her suit states, the Texas native told her 'he could not afford a $50 million lump-sum payment because of “cash flow issues."'
Now Bass and his new wife have asked a judge to dismiss Sperr's lawsuit with prejudice, with Sid accusing his ex of spinning a ‘tabloid-ready narrative’ that was ‘driven by her own vindictiveness and greed.'
uncertain
that → question → vindictiveness
‘Within days of learning that Mr. Bass had married Mrs. Bass, Plaintiff apparently decided she wanted more - more specifically, at least $400 million - and that she was willing to file a complaint full of baseless allegations to get it,’ he raged in papers filed late Thursday night with his motion to dismiss.
asserted
he → learn → motion
Sperr alleged in her filing that Bass, who had then already moved on with socialite Althea Irene Viafora Kress, now his wife, proposed a 'maintenance agreement' in which he would give Sperr annual $5 million payments over a ten-year term.
asserted
he → allege → term
Her lawsuit claims Sperr found the explanation that Bass could not afford their alleged agreement 'impossible to credit.
uncertain
Bass → claim → agreement
Oona Sperr, 64, filed a lawsuit against her billionaire oil tycoon ex, Sid Bass, 84, on August 31 alleging, in part, that he went back on a promise to give her a $50 million lump sum payment when he dumped her
Sperr's lawsuit claims Bass snapped up a $30 million New York City penthouse (above) just months after the break-up - despite insisting he couldn’t support his ex due to 'cash flow issues,' her lawsuit alleges
Sperr alleges in her lawsuit that Bass brutally ended their 10-year relationship so he could move on with society maven Althea Irene Viafora Kress, who he later wed.
uncertain
he → file → who
Now Bass has filed a motion asking for Sperr's lawsuit to be dismissed
'Throughout their relationship, Sid had repeatedly represented that his wealth substantially exceeded publicly reported estimates and assured Oona that providing for her would never present a financial burden,' her filing adds.
asserted
filing → file → burden
Despite the alleged cash-strapped excuse, Sperr's suit claimed Bass quickly went on to snap up a two-story penthouse in one of Manhattan's most exclusive buildings.
asserted
Bass → allege → buildings
Property records reviewed by the Daily Mail show Bass purchased the 5,200sq ft penthouse on the Upper East Side – complete with views of Central Park and Manhattan's skyline – for a cool $30 million.
asserted
Bass → review → million
Bass, who tied the knot with Kress on his private Texas island last August, purchased the swanky digs through a trust in March of last year before transferring it into his and his new wife's names a year later, the records show.
asserted
records → tie → names
Sperr tried to poke further holes in her ex's 'cash flow' claims, arguing in her suit that Bass and Kress continue to indulge in a lavish lifestyle.
uncertain
Bass → try → lifestyle
'Multiple persons have reported that Viafora Kress took him on a big trip to Europe, including Paris, where he was seen and is rumored to have spent millions of dollars and, on information and belief, has spent more since Viafora Kress entered his life than he spent during his entire decade-plus relationship with Oona,' the court filing states.
asserted
filing → report → Oona
'The contrast is extraordinary: the same man who claimed to lack the “cash flow” to honor his obligations to Oona suddenly had millions available to finance Viafora Kress’s extravagance.
asserted
who → claim → extravagance
'
Bass is currently ranked 380th on Forbes' 2026 list of America's wealthiest people.
asserted
Bass → rank → people
His fortune has grown to $4.3 billion this year – up from $3.6 billion in 2025, according to Forbes.
uncertain
fortune → grow → Forbes
Weeks after their split in September 2024, Sperr alleges in her bombshell suit that Bass - who has an estimated net worth of $4.6 billion - quickly reneged on his promise to give her a lump sum payment because of 'cash flow issues'
asserted
who → allege → issues
With an estimated fortune of $4.3 billion, Bass is ranked 380th on Forbes' list of America’s wealthiest people for 2026.
asserted
Bass → estimate → 2026
In addition to the money complaints, Sperr's lawsuit alleged that her relationship with Bass only started to crumble after Kress, 68, spent two years grooming him.
asserted
Kress → allege → him
Bass was a heavy drinker who had suffered three mini-strokes and was diagnosed with Parkinson's disease by the time he dumped Sperr, according to her lawsuit.
uncertain
he → suffer → lawsuit
A blindsided Sperr accused Kress of manipulating Bass and taking advantage of his alleged cognitive decline to embark on a relationship with him.
asserted
Sperr → blindside → him
Hitting back at Sperr's ‘offensive’ and ‘unsubstantiated’ allegations of his diminished mental capacity, Bass claimed in his filing that Sperr allegedly still had him as her power of attorney and healthcare proxy.
uncertain
Sperr → hit → attorney
His motion accuses his ex of filling her complaint with ‘distracting details clearly intended to damage the reputations of Mr. and Mrs. Bass in the hope of leveraging a settlement.’
asserted
motion → accuse → settlement
Despite their relationship ending, Bass, still ‘lived up to his upstanding reputation’ and offered Sperr ‘cash and other valuable benefits,’ as well as continued residence in his multi-million-dollar townhouse, according to his latest motion.
uncertain
Bass → end → motion
He wrote how, during their ten-year relationship, Sperr received a $250,000 annual salary, lived ‘rent-free in multiple luxury residences,’ had her expenses and credit-card bills paid and received ‘valuable and sentimental’ jewelry plus paid healthcare for her and her mother.
asserted
expenses → write → her
Kress filed her own motion this week seeking to have her name changed throughout the court papers to reflect her married name: Althea Irene Viafora Bass.
asserted
name → file → name
When Sperr questioned Bass about his decision to walk back an alleged initial offer to her, she claims the Texas native told her 'he could not afford a $50 million lump-sum payment because of “cash flow issues,"' her lawsuit states
uncertain
lawsuit → question → issues
In filings accompanying Thursday's motion to dismiss, Althea Bass’s lawyers likened Sperr’s complaint to the type of ‘heart balm’ claims New York banned almost a century ago, ‘recognizing that lawsuits by purportedly heartbroken lovers “are commonly the vehicle for fraud and extortion.
uncertain
lawsuits → accompany → fraud
'And that’s precisely what this lawsuit is,’ her lawyer wrote in the papers.
asserted
lawyer → ’ → papers
Dismissing Sperr’s allegations as ‘false,’ the third Mrs Bass hit back at Sperr’s apparent portrayal of her as a homewrecker who pursued the octogenarian for his oil billions.
asserted
who → dismiss → billions
‘Althea and Sid’s friendship—not money—formed the basis for their future romance,’ her filings added.
asserted
filings → form → romance
She claimed her 40-year friendship with Sid ‘deepened’ after he supported her following her mother’s 2019 death and her own skin cancer battle in 2024.
asserted
he → claim → 2024
According to her, Bass later invited her to his Colorado ranch, where they embarked on a romantic relationship that culminated in their August 2025 wedding on his private island.
uncertain
that → accord → island
‘This is the story of a couple that married after decades of friendship forged through common interests,’ Avi Weitzman, Althea Bass’s attorney, told the Daily Mail.
asserted
Weitzman → marry → Mail
‘It's not the salacious telenovela described in the complaint, but the quiet romance described in our brief has the advantage of being supported by facts.’
asserted
romance → describe → facts
Bass was infamously caught cheating on first wife, Anne Hendricks Bass, in 1988.
asserted
Bass → catch → 1988
Anne, the mother of his two children, was given between $200 million and $500 million in the wake of the high-profile split, according to Sperr's suit
Bass allegedly informed Sperr of his nuptials via a six-line email fired off two weeks after the ceremony, her lawsuit claims.
uncertain
lawsuit → give → ceremony
The email, which Sperr claims to have reproduced in full in her lawsuit, was the final nail in the coffin of what she described as being a 'loving' and 'committed' decade-long relationship.
uncertain
she → claim → what
Bass's lawyers argue in his new motion that, because New York law does not recognize common-law marriage, Sperr was attempting to disguise her ‘palimony’ claim as a breach-of-contract dispute.
uncertain
Sperr → argue → dispute
…and 14 more, not listed.
The Aporia
