---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-035506"
form_type: "8-K"
ticker: "ASPN"
cik: "0001145986"
company_name: "ASPEN AEROGELS INC"
filed_at: "2025-03-07T23:59:59+00:00"
generated_at: "2026-05-25T03:03:37.049372+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Aspen Aerogels grants PSU awards to CEO and NEOs tied to relative TSR vs Russell 2000 for 2025-2027

## Summary
- CEO Donald Young receives 108,418 target PSUs; other NEOs get 49,426 to 79,719 target PSUs each.
- PSUs represent 50% of each NEO's 2025 long-term incentive; rest in RSUs (25%) and options (25%).
- Payout based on Aspen's TSR percentile vs Russell 2000 over 3 years (0%-200% of target).
- Vesting on 3rd anniversary of grant, subject to continued service; accelerated on death/disability or Change in Control.

## SEC filing metadata
- accession: 0000950170-25-035506
- form_type: 8-K
- ticker: ASPN
- cik: 0001145986
- company_name: ASPEN AEROGELS INC
- filed_at: 2025-03-07T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1145986/000095017025035506/0000950170-25-035506-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1145986/000095017025035506/aspn-20250304.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-035506
- JSON: https://secwatch.observer/filing/0000950170-25-035506.json
- Plain text: https://secwatch.observer/filing/0000950170-25-035506.txt

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