🕵️ Blackline, Inc. ($BL)
SEC insider & ownership activity, last 12 months · CIK 1666134 · every row links its SEC filing
Over the last 12 months insiders sold $660K against $486K of open-market buying. David J. Henshall bought $486K in discretionary trades (Aug). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $486K (1 lots) · 4 sellers, $660K (12 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| David J. Henshall | 1 | $486K | 0 | – | Aug 8, 2025 |
| Unterman Thomas | 0 | – | 7 | $451K | Oct 27, 2025 |
| Mika Yamamoto | 0 | – | 1 | $85K | Jun 5, 2026 |
| Michelle D. Stalick | 0 | – | 3 | $74K | Jun 1, 2026 |
| Hughes Gregory | 0 | – | 1 | $50K | May 21, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 12.6% | 13G | Jul 17, 2025 | filing ↗ | |
| Vanguard Portfolio Management | 6.9% | 13G | Apr 29, 2026 | filing ↗ | |
| Dylan Haggart | 5.1% | 13D | Mar 11, 2026 | filing ↗ | |
| Fivespan Partners, LP | 5.1% | 13D | Mar 11, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Yamamoto Mika | $85K | Jun 5, 2026 | filing ↗ |
| Hughes Gregory | $50K | May 21, 2026 | filing ↗ |
| Unterman Thomas | $508K | May 13, 2026 | filing ↗ |
| Unterman Thomas | $540K | May 12, 2026 | filing ↗ |
| Unterman Thomas | $50K | Oct 27, 2025 | filing ↗ |
| Unterman Thomas | $50K | Sep 22, 2025 | filing ↗ |
| Unterman Thomas | $50K | Aug 28, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Shareholder vote (5.07) | May 7, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Other events (8.01) | Mar 13, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 8, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 8, 2026 | filing ↗ |
| Earnings (2.02) | Feb 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 10, 2026 | filing ↗ |
| Other events (8.01) | Feb 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 2, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 19, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 19, 2025 | filing ↗ |
| Other events (8.01) | Nov 10, 2025 | filing ↗ |
| Earnings (2.02) | Nov 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 6, 2025 | filing ↗ |
| Other events (8.01) | Sep 4, 2025 | filing ↗ |
| Earnings (2.02) | Aug 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 5, 2025 | filing ↗ |
| Officer/director changes (5.02) | Jul 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 30, 2025 | filing ↗ |