Mirgorodskaya Natalia sold $28K of UPST
Mirgorodskaya Natalia (See Remarks) sold 974 shares of Upstart Holdings, Inc. (UPST) at $28.99 on 2026-05-26 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The filing updates the market on an officer’s scheduled open-market sale; absent other news, it is unlikely to drive fundamentals.
Market read
Traders may briefly reassess sentiment around UPST, but the 10b5-1 framing and small dollar amount suggest limited impact.
What to watch
Check whether the officer’s prior filings show a pattern (e.g., repeated sales) or whether other insiders simultaneously transact, which could change the read-through.
Background
The article is a SEC Form 4 insider transaction disclosure for Upstart Holdings, Inc.
Ticker impact
Upstart officer Mirgorodskaya Natalia filed an open-market sale of 974 shares at $28.99 under a pre-arranged 10b5-1 plan.
Likely limited/short-lived impact; watch for follow-through only if additional insider sales cluster or volume spikes.
The transaction is small ($28.2k) relative to typical market moves and explicitly tied to a pre-arranged 10b5-1 plan, reducing interpretability as new information.
Market effects
Minimal; this is company-specific insider disclosure without any stated operational or regulatory catalyst.
None indicated.
None indicated.
Counterpoint
Because it’s a 10b5-1 plan, the sale may simply reflect scheduled liquidity needs rather than bearish expectations.
Key entities
- issuerUpstart Holdings, Inc.
UPST officer Mirgorodskaya Natalia sold 974 shares at $28.9900/share under a pre-arranged 10b5-1 plan.

