$ARTV

Banerjee Subhashis sold $12K of ARTV

Banerjee Subhashis (Chief Medical Officer) sold 1,100 shares of Artiva Biotherapeutics, Inc. (ARTV) at $11.16 on 2026-09-03.

Original reporting
SEC EDGAR · Banerjee Subhashis
Published Sep 4, 2026, 8:03 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 4, 2026, 8:04 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
$ARTV
Neutral
medium confidence
Mentioned
$ARTV
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$ARTVNeutralLow
01

Why it matters

The transaction is a routine sale with limited market impact.

02

Market read

Minor insider sale; unlikely to affect price or sector sentiment.

03

What to watch

The insider still holds 140,947 shares, indicating confidence despite the sale.

Relevance 3/10Novelty 2/10Timing: post filing 2026-09-04

Background

Form 4 filing from SEC EDGAR reporting an insider transaction.

Company-level read

Ticker impact

$ARTVNeutralMedium confidence
Context

Chief Medical Officer Banerjee Subhashis sold 1,100 shares for $12,271 on 2026-09-03 via an open‑market transaction.

Expected impact

minimal downward pressure, likely negligible

Evidence & confidence

The sale size ($12k) is tiny relative to market cap and insider holdings; no indication of distress.

Market effects

None; biotech sector not affected by a micro insider sale.

None; only a US‑listed micro‑cap is involved.

None

Counterpoint

Even small insider sales can signal concerns; monitor subsequent filings for pattern.

Key entities

  • Artiva Biotherapeutics, Inc.

    US‑listed biotech (NASDAQ: ARTV).

  • Banerjee Subhashis

    Chief Medical Officer of Artiva Biotherapeutics.

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.

Related articles

$ARTVLow

Artiva Biotherapeutics, Inc. (ARTV): Results of Operations and Financial Condition

Artiva Biotherapeutics, Inc. (ARTV) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 Artiva Biotherapeutics Announces Strategic Update and Discontinues Development of AlloNK ® • Company halting further development of AlloNK ® (AB-101), including the planned phase 3 pivotal trial • Updated deep B cell depletion and clinical response data is consistent

$ARTVHighAI 8/10

Why is Artiva Biotherapeutics stock collapsing today?

Artiva Biotherapeutics' stock fell 30% after halting AlloNK (AB-101) development due to safety events and poor clinical data. The company plans to cut 94% of its workforce and explore strategic alternatives, including liquidation. CEO and COO sold shares before the announcement. Artiva had $319.1M in cash as of September 30. The stock traded at $4.31, far below its 52-week high of $14.53.