---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-111391"
form_type: "8-K"
ticker: "GANX"
cik: "0001819411"
company_name: "Gain Therapeutics, Inc."
filed_at: "2026-09-28T20:30:45+00:00"
generated_at: "2026-10-12T13:36:43.882042+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Gain Therapeutics CFO Gianluca Fuggetta resigns Sept 30; CEO Gene Mack named interim CFO

## Summary
- Gianluca Fuggetta, SVP of Finance and principal financial and accounting officer, notified the company on Sept 22, 2026 of his resignation effective Sept 30, 2026 to pursue other opportunities.
- Board appointed President and CEO Gene Mack as interim CFO effective Oct 1, 2026; he will also assume principal financial officer and principal accounting officer duties.
- Mack continues as President and CEO; the company said it is engaged in an ongoing search for a permanent replacement for the principal financial/accounting officer roles.
- Mack's compensatory and other material employment terms remain unchanged in connection with the interim CFO appointment.
- No arrangements or understandings between Mack and any other persons led to his selection, and no Item 404(a) related-party transactions were disclosed.

## SEC filing metadata
- accession: 0001104659-26-111391
- form_type: 8-K
- ticker: GANX
- cik: 0001819411
- company_name: Gain Therapeutics, Inc.
- filed_at: 2026-09-28T20:30:45+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819411/000110465926111391/0001104659-26-111391-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819411/000110465926111391/tm2626106d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-111391
- JSON: https://secwatch.observer/filing/0001104659-26-111391.json
- Plain text: https://secwatch.observer/filing/0001104659-26-111391.txt

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