The $10 Million Clawback: Banc of California’s Civil Suit Over Forged Signatures
Banc of California sued Federal Insurance Company (Chubb) seeking coverage under a $10 million financial institution bond after alleged forged Northern Trust documents were used in a loan scheme by Mary Carole McDonnell. Banc said it relied on forged security and account statements and submitted a proof of loss of about $13.9M; the insurer denied coverage in 2019 and the case proceeded after a Ninth Circuit reversal.
How this was made

The 30-second read
Why it matters
The excerpt emphasizes the coverage trigger (forged Northern Trust Security/Control Agreement signatures), the bank’s reliance on purported collateral documents, and the insurer’s denial based on causation/coverage conditions. It also notes a prior Ninth Circuit procedural reversal due to policy ambiguity, but does not state a final outcome.
Market read
For traders, the key takeaway is litigation-driven uncertainty around potential insurance recoveries for a large fraud loss; without a new decision, it’s more about risk framing than a fresh catalyst.
What to watch
Outcome hinges on policy wording and causation/good-faith elements, not the underlying fraud amount; recoveries may be offset by litigation costs and other recoverable sources.
Background
Banc of California pursued recovery after alleged fraud by Mary Carole McDonnell, then shifted to an insurance-coverage dispute with Federal Insurance Company (Chubb group) over a $10M financial institution bond for forgery losses.
Ticker impact
Banc of California seeks coverage from Federal Insurance over a $10M forgery-loss policy tied to forged Northern Trust documents and a $13.9M+ proof of loss.
Low likelihood of immediate price impact; any effect would be indirect via litigation risk/recovery expectations.
No new court decision or settlement is disclosed in the excerpt; it mainly recounts the coverage theory, proof-of-loss size, insurer denial, and prior procedural reversal.
Market effects
Highlights how bank fraud losses can become contingent on insurance policy interpretation (forgery, causation, good-faith reliance), which can influence perceived tail-risk for financials.
Primarily US litigation/insurance; limited direct regional market read-through.
Limited global relevance; mostly a case-specific recovery/coverage issue.
Counterpoint
Even if coverage is ultimately granted, the timing and probability are uncertain; the market may already price similar litigation risk, limiting incremental impact.
Key entities
- companyBanc of California
Bank seeking insurance coverage for losses allegedly caused by forged collateral documents.
- insurerFederal Insurance Company (Chubb group)
Insurer accused of denying coverage under the forgery-loss policy.
- individualMary Carole McDonnell
Alleged fraudster whose actions and forged documents are central to the coverage dispute.
- financial_institutionNorthern Trust
Named in the forged documents (alleged forged signatures and account statement used as collateral evidence).



