---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-117147"
form_type: "8-K"
ticker: "SPOK"
cik: "0001289945"
company_name: "Spok Holdings, Inc"
filed_at: "2021-09-20T23:59:59+00:00"
generated_at: "2026-06-29T02:32:42.859396+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Spok requests Acacia provide details on confidential information controls amid insider trading probe

## Summary
- Spok's Board invited Acacia to strategic review but has concerns after Acacia disclosed improper trading by a family member of President/CIO Al Tobia.
- Acacia's President/CIO Al Tobia resigned after disclosing trading in Acacia securities by a family member of his.
- Spok requests detailed information on Acacia's investigation, policies, and oversight to ensure Spok's confidential information is protected.
- Spok asks about role of Starboard Value (over 50% owner of Acacia) in handling confidential information, noting a Starboard rep serves on Acacia's Strategic Review Committee.
- Spok asks whether Spok securities were involved in the trading and whether Schedule 13D amendments are required.

## SEC filing metadata
- accession: 0001104659-21-117147
- form_type: 8-K
- ticker: SPOK
- cik: 0001289945
- company_name: Spok Holdings, Inc
- filed_at: 2021-09-20T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1289945/000110465921117147/0001104659-21-117147-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1289945/000110465921117147/tm2128004d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-117147
- JSON: https://secwatch.observer/filing/0001104659-21-117147.json
- Plain text: https://secwatch.observer/filing/0001104659-21-117147.txt

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