LUM JONATHAN sold $3.6M of CACC
LUM JONATHAN (Chief Operating Officer) sold 6,000 shares of CREDIT ACCEPTANCE CORP (CACC) at $600.00 ($3.60M total) on 2026-06-24 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosure updates the record of insider activity and provides the sale price and post-transaction holdings, but it does not change company fundamentals.
Market read
This is primarily a sentiment/positioning datapoint from insider activity, with low expected impact on valuation absent other catalysts.
What to watch
Traders may also consider whether multiple insiders are selling around the same period, but this article only covers one reported transaction.
Background
The article is an SEC Form 4 insider transaction disclosure for Credit Acceptance Corp (CACC).
Ticker impact
CACC COO Lum Jonathan sold 6,000 shares at $600/share for about $3.6M under a pre-arranged 10b5-1 plan, disclosed via Form 4.
Likely limited near-term impact; any effect is more sentiment than fundamentals.
The filing provides transaction size and pricing, but no new operational, financial, or regulatory information about CACC.
Market effects
No clear sector read-through from a single 10b5-1 insider sale.
None indicated.
None indicated.
Counterpoint
Because the sale is pre-arranged under a 10b5-1 plan, it may reflect routine liquidity rather than bearish expectations.
Key entities
- issuerCREDIT ACCEPTANCE CORP
Company whose COO reported an open-market sale of shares via SEC Form 4.
- insiderLUM JONATHAN
Chief Operating Officer who sold 6,000 shares at $600/share under a 10b5-1 plan.

