---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-21-024583"
form_type: "8-K"
ticker: "MLAB"
cik: "0000724004"
company_name: "MESA LABORATORIES INC /CO/"
filed_at: "2021-10-29T23:59:59+00:00"
generated_at: "2026-06-28T16:23:24.978601+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Mesa Labs appoints Shiraz Ladiwala to board, grants CEO special PSUs

## Summary
- Shiraz Ladiwala appointed to Board, effective Oct 28, 2021; board expands from 7 to 8 members.
- Ladiwala retired from Thermo Fisher Scientific as SVP, Business Transformation Projects.
- CEO Gary Owens granted special performance stock units with target of 40,000 shares.
- PSU vesting tied to cumulative GAAP revenue (30% weight) and adjusted operating income (70%) over 3 years through Mar 31, 2024.
- No shares vest if performance below 80% of target; vesting occurs in three annual tranches starting Oct 27, 2024.

## SEC filing metadata
- accession: 0001437749-21-024583
- form_type: 8-K
- ticker: MLAB
- cik: 0000724004
- company_name: MESA LABORATORIES INC /CO/
- filed_at: 2021-10-29T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/724004/000143774921024583/0001437749-21-024583-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/724004/000143774921024583/mlab20211026_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-21-024583
- JSON: https://secwatch.observer/filing/0001437749-21-024583.json
- Plain text: https://secwatch.observer/filing/0001437749-21-024583.txt

## Key facts
- Executive change
  Shiraz Ladiwala was appointed as Director at MESA LABORATORIES INC /CO/.
  - Action: appointed
  - Role: Director
  source text: Effective October 28, 2021, Mesa Laboratories, Inc’s (“Mesa”) Board of Directors (“Board”) increased the size of Mesa’s Board from seven to eight members and upon the recommendation of the Nominating and Governance Committee, appointed Shiraz Ladiwala to fill the newly-created vacancy.
  evidence_url: https://www.sec.gov/Archives/edgar/data/724004/000143774921024583/0001437749-21-024583-index.htm

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