---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-362129"
form_type: "8-K"
ticker: "PRSO"
cik: "0000890394"
company_name: "Peraso Inc."
filed_at: "2021-12-20T23:59:59+00:00"
generated_at: "2026-06-27T23:57:00.549845+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# MoSys completes reverse merger with Peraso Technologies; combined entity to trade as PRSO

## Summary
- Former Peraso shareholders own 61% of combined company; MoSys shareholders own 39%.
- Exchange ratio approx. 0.045239; 19.75M shares outstanding post-closing (excluding escrowed Earnout Shares).
- Company renamed Peraso Inc.; ticker changes from MOSY to PRSO effective Dec 20, 2021.
- Ron Glibbery appointed CEO; Brad Lynch appointed COO; board reconstituted to five directors.
- 12-month lock-up for officers, directors, and 5%+ holders; limited trading in subsequent 90-day leak-out period.

## SEC filing metadata
- accession: 0001193125-21-362129
- form_type: 8-K
- ticker: PRSO
- cik: 0000890394
- company_name: Peraso Inc.
- filed_at: 2021-12-20T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 1.01, 2.01, 3.02, 5.01, 5.02, 5.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/890394/000119312521362129/0001193125-21-362129-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/890394/000119312521362129/d276231d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-362129
- JSON: https://secwatch.observer/filing/0001193125-21-362129.json
- Plain text: https://secwatch.observer/filing/0001193125-21-362129.txt

## Key facts
- Executive change
  Ronald Glibbery was appointed as Chief Executive Officer at Peraso Inc..
  - Action: appointed
  - Role: Chief Executive Officer
  source text: the Board appointed Ronald Glibbery, as Chief Executive Officer of the Company, and Brad Lynch, as Chief Operating Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/890394/000119312521362129/0001193125-21-362129-index.htm
- Executive change
  Daniel J. O'Neil resigned as Director at Peraso Inc..
  - Action: resigned
  - Role: Director
  source text: Scott Lewis and Daniel J. O’Neil, resigned from the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/890394/000119312521362129/0001193125-21-362129-index.htm
- Executive change
  Scott Lewis resigned as Director at Peraso Inc..
  - Action: resigned
  - Role: Director
  source text: Scott Lewis and Daniel J. O’Neil, resigned from the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/890394/000119312521362129/0001193125-21-362129-index.htm
- Executive change
  Brad Lynch was appointed as Chief Operating Officer at Peraso Inc..
  - Action: appointed
  - Role: Chief Operating Officer
  source text: the Board appointed Ronald Glibbery, as Chief Executive Officer of the Company, and Brad Lynch, as Chief Operating Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/890394/000119312521362129/0001193125-21-362129-index.htm

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