---
schema_version: "secwatch.filing_event.v1"
accession: "0001753926-26-000799"
form_type: "8-K"
ticker: "RKLB"
cik: "0001819994"
company_name: "Rocket Lab Corp"
filed_at: "2026-05-08T23:59:59+00:00"
generated_at: "2026-05-14T21:09:45.445929+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Rocket Lab files prospectus for resale of 2.28M shares linked to Mynaric acquisition

## Summary
- Filed prospectus supplement for resale of up to 2,277,002 shares of common stock by selling stockholders.
- Shares were issued on April 14, 2026 in connection with the acquisition of Mynaric AG.
- Acquisition was previously announced under Stock Purchase Agreement dated September 25, 2025.
- Legal opinion from Goodwin Procter LLP filed as Exhibit 5.1.

## SEC filing metadata
- accession: 0001753926-26-000799
- form_type: 8-K
- ticker: RKLB
- cik: 0001819994
- company_name: Rocket Lab Corp
- filed_at: 2026-05-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819994/000175392626000799/0001753926-26-000799-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819994/000175392626000799/g085715_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001753926-26-000799
- JSON: https://secwatch.observer/filing/0001753926-26-000799.json
- Plain text: https://secwatch.observer/filing/0001753926-26-000799.txt

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