---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-224694"
form_type: "8-K"
ticker: "SNDK"
cik: "0002023554"
company_name: "Sandisk Corp"
filed_at: "2026-05-15T00:10:29+00:00"
generated_at: "2026-05-15T10:15:57.339934+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Sandisk warns shareholders against Tutanota mini-tender offer at $1,150/share

## Summary
- Tutanota LLC offered to buy up to 100,000 Sandisk shares (<0.07% of outstanding) at $1,150/share.
- Offer price is conditioned on SNDK closing above $1,150 on the last trading day before expiration; otherwise price is below market.
- Expiration set for 5:00 p.m. ET on May 20, 2026, with possible extensions of 45–180 days.
- Sandisk does not endorse the offer and recommends stockholders take no action; SEC has flagged similar mini-tender risks.

## SEC filing metadata
- accession: 0001193125-26-224694
- form_type: 8-K
- ticker: SNDK
- cik: 0002023554
- company_name: Sandisk Corp
- filed_at: 2026-05-15T00:10:29+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2023554/000119312526224694/0001193125-26-224694-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2023554/000119312526224694/d157363d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-224694
- JSON: https://secwatch.observer/filing/0001193125-26-224694.json
- Plain text: https://secwatch.observer/filing/0001193125-26-224694.txt

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