---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-042706"
form_type: "8-K"
ticker: "CTSO"
cik: "0001175151"
company_name: "Cytosorbents Corp"
filed_at: "2023-04-06T23:59:59+00:00"
generated_at: "2026-06-17T04:56:07.877656+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# CFO Kathleen Bloch retires, stays as Interim CFO under consulting agreement through Dec 2025

## Summary
- Bloch retired as CFO effective March 31, 2023, but will serve as Interim CFO under a Consulting Agreement.
- Consulting rate: $335/hour, expected 20 hours/week; agreement lasts until Dec 31, 2025 unless terminated earlier.
- Awarded 20,000 stock options at $3.37/share (3/31/23 closing price) with 10-year term; existing RSUs continue vesting.
- Bloch provides customary CFO services; may be terminated by either party with 14 days' notice.

## SEC filing metadata
- accession: 0001104659-23-042706
- form_type: 8-K
- ticker: CTSO
- cik: 0001175151
- company_name: Cytosorbents Corp
- filed_at: 2023-04-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1175151/000110465923042706/0001104659-23-042706-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1175151/000110465923042706/tm2311957d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-042706
- JSON: https://secwatch.observer/filing/0001104659-23-042706.json
- Plain text: https://secwatch.observer/filing/0001104659-23-042706.txt

## Key facts
- Executive change
  Kathleen P. Bloch retired as Chief Financial Officer at Cytosorbents Corp.
  - Action: retired
  - Role: Chief Financial Officer
  source text: Ms. Kathleen P. Bloch retired from her role as Chief Financial Officer of CytoSorbents Corporation (the “ Company ”), effective as of March 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1175151/000110465923042706/0001104659-23-042706-index.htm
- Executive change
  Kathleen P. Bloch was appointed as Interim Chief Financial Officer at Cytosorbents Corp.
  - Action: appointed
  - Role: Interim Chief Financial Officer
  source text: Ms. Bloch will serve as a consultant to the Company and as the Company’s Interim Chief Financial Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1175151/000110465923042706/0001104659-23-042706-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.