---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-018395"
form_type: "8-K"
ticker: "BL"
cik: "0001666134"
company_name: "BLACKLINE, INC."
filed_at: "2026-03-17T23:59:59+00:00"
generated_at: "2026-05-15T10:29:02.968194+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# BlackLine board boosts stock buyback program by $100M to $500M total authorization

## Summary
- Board approved a $100M increase to stock buyback program, raising total authorization to $500M.
- As of March 13, 2026, BlackLine has repurchased 5.3M shares for $270.1M under the program.
- Repurchases may be made via open market or private transactions; program is discretionary and may be suspended anytime.

## SEC filing metadata
- accession: 0001628280-26-018395
- form_type: 8-K
- ticker: BL
- cik: 0001666134
- company_name: BLACKLINE, INC.
- filed_at: 2026-03-17T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1666134/000162828026018395/0001628280-26-018395-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1666134/000162828026018395/bl-20260313.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-018395
- JSON: https://secwatch.observer/filing/0001628280-26-018395.json
- Plain text: https://secwatch.observer/filing/0001628280-26-018395.txt

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