$KRRO

FORMELA JEAN FRANCOIS sold $30K of KRRO (indirect holdings)

FORMELA JEAN FRANCOIS sold 2,143 indirectly-held shares of Korro Bio, Inc. (KRRO) at $13.96 across 2 trades on 2026-08-11 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · FORMELA JEAN FRANCOIS
Published Aug 13, 2026, 9:04 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 13, 2026, 9:06 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$KRRO
Neutral
medium confidence
Mentioned
$KRRO
Relevance
2/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$KRRONeutralLow
01

Why it matters

The disclosed open-market sale by a director can be monitored for sentiment, but the presence of a pre-arranged 10b5-1 plan typically lowers interpretive weight.

02

Market read

Traders may treat this as a minor sentiment datapoint rather than a standalone fundamental catalyst.

03

What to watch

The article does not disclose total insider ownership changes beyond the post-transaction share count, nor does it provide context on prior sales frequency.

Relevance 2/10Novelty 3/10Timing: filed Aug 13, transaction dated Aug 11

Background

The article is a SEC Form 4 insider transaction disclosure for Korro Bio, Inc.

Company-level read

Ticker impact

$KRRONeutralMedium confidence
Context

Korro Bio director Formela Jean Francois sold $29,916 of KRRO via an open-market sale under a pre-arranged 10b5-1 plan.

Expected impact

Likely limited near-term impact; any effect would be incremental sentiment rather than a directional driver.

Evidence & confidence

The filing is a Form 4 insider transaction with a stated 10b5-1 plan, which typically reduces the signal strength versus discretionary selling.

Market effects

No clear sector read-through from a single director 10b5-1 sale.

None indicated.

None indicated.

Counterpoint

Because the sale is under a pre-arranged 10b5-1 plan, it may reflect liquidity planning rather than bearish expectations.

Key entities

  • Korro Bio, Inc.

    Company whose director insider sale is disclosed on Form 4.

  • FORMELA JEAN FRANCOIS

    Director who executed an open-market sale under a 10b5-1 plan.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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