---
schema_version: "secwatch.filing_event.v1"
accession: "0001178913-21-003512"
form_type: "8-K/A"
ticker: "CMMB"
cik: "0001534248"
company_name: "Chemomab Therapeutics Ltd."
filed_at: "2021-11-12T23:59:59+00:00"
generated_at: "2026-06-28T09:09:55.856623+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Chemomab appoints Donald Marvin as CFO & COO, replacing Sigal Fattal effective Nov 8, 2021

## Summary
- Sigal Fattal's engagement as interim CFO concluded by mutual agreement; she remains as senior consultant.
- Donald Marvin named CFO, EVP & COO; base salary $460K, annual bonus target 45% of base.
- Marvin receives 1.5% equity (4-yr vest) + up to 0.5% for strategic goals, $25K signing bonus.
- Severance package of 12 months, increasing by 1 month every 2 years (max 18 months).
- Marvin brings 35+ years experience; no family relationships or reportable transactions.

## SEC filing metadata
- accession: 0001178913-21-003512
- form_type: 8-K/A
- ticker: CMMB
- cik: 0001534248
- company_name: Chemomab Therapeutics Ltd.
- filed_at: 2021-11-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1534248/000117891321003512/0001178913-21-003512-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1534248/000117891321003512/form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001178913-21-003512
- JSON: https://secwatch.observer/filing/0001178913-21-003512.json
- Plain text: https://secwatch.observer/filing/0001178913-21-003512.txt

## Key facts
- Executive change
  Donald Marvin was appointed as Chief Financial Officer, Executive Vice President and Chief Operating Officer at Chemomab Therapeutics Ltd..
  - Action: appointed
  - Role: Chief Financial Officer, Executive Vice President and Chief Operating Officer
  source text: it appointed Mr. Donald Marvin as the Chief Financial Officer, Executive Vice President and Chief Operating Officer of the Company, effective as of November 8, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1534248/000117891321003512/0001178913-21-003512-index.htm

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