# Blackline (BL): value investors who own it | moatshark

1 value investor held Blackline in their Q3 2026 13F, led by Engaged Capital. See who bought, sold and how ownership has changed by quarter.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Engaged Capital | 7.1% | $23.2m | Trimmed -39% | 4 |

## Directors buying and selling (Form 4, last 12 months)

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-08-27 | Stalick Michelle D | Chief Accounting Officer | Sold | 780 | $26k |
| 2026-08-24 | Tucker Therese | Director | Sold | 70000 | $2.2m |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/bl). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.