$CTSO

Chan Phillip P. purchased $23K of CTSO

Chan Phillip P. (Chief Executive Officer) purchased 3,774 shares of Cytosorbents Corp (CTSO) at $6.00 on 2026-09-15.

Original reporting
SEC EDGAR · Chan Phillip P.
Published Sep 16, 2026, 9:30 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 16, 2026, 9:36 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
$CTSO
Neutral
high confidence
Mentioned
$CTSO
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$CTSONeutralLow
01

Why it matters

The disclosed purchase adds a small amount of insider confidence but is unlikely to affect market pricing.

02

Market read

A routine insider purchase with limited trading relevance.

03

What to watch

Potential upcoming clinical data or partnership announcements could give the purchase more relevance.

Relevance 4/10Novelty 3/10Timing: post-market 2026-09-15

Background

Form 4 filings disclose insider transactions and are primary sources of new information.

Company-level read

Ticker impact

$CTSONeutralHigh confidence
Context

CEO Chan Phillip P. bought 3,774 shares at $6 each, total $22,644, increasing his stake to 100,996 shares.

Expected impact

Minimal to no price impact in the short term.

Evidence & confidence

Insider purchases under $25k are typically viewed as routine and do not generate significant market reaction.

Market effects

No material effect on the biotech/medical device sector.

Limited to US micro‑cap investors.

None

Counterpoint

If the CEO is signaling confidence, a modest rally could follow.

Key entities

  • Cytosorbents Corp

    US‑listed biotech company (ticker CTSO).

  • Chan Phillip P.

    Chief Executive Officer of Cytosorbents Corp.

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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