BlackLine, Inc. (BL) Insider Trading
Over the last 3 months, BL insiders made 0 open-market buys and 3 sales, a net sale of -$2.3M (SEC Form 4). Over the last 6 months, 165 institutions increased and 190 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$2.3M
Insider trades by month Buys Sells
Aug
Sep
Oct
May
Jun
Aug
Context3-month price +7.3%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 28, 2026 | Stalick Michelle Dofficer: Chief Accounting Officer | Sell | 780 | $33.65 |
| Aug 26, 2026 | Tucker Theresedirector | Sell | 70,000 | $31.96 |
| Aug 26, 2026 | Tucker Theresedirector | Option | 70,000 | $14.00 |
| Aug 26, 2026 | Tucker Theresedirector | Option | 26,560 | $14.00 |
| Aug 24, 2026 | Morgan-Prager Karoleofficer: Chief Legal and Administrative | Tax | 778 | $31.92 |
| Aug 24, 2026 | Stalick Michelle Dofficer: Chief Accounting Officer | Tax | 161 | $31.92 |
| Aug 24, 2026 | Villanova Patrickofficer: Chief Financial Officer | Tax | 1,200 | $31.92 |
| Aug 24, 2026 | Ryan Owendirector, officer: Chief Executive Officer | Tax | 2,438 | $31.92 |
| Aug 24, 2026 | Ryan Owendirector, officer: Chief Executive Officer | Tax | 2,027 | $31.92 |
| Aug 24, 2026 | Ryan Owendirector, officer: Chief Executive Officer | Tax | 2,235 | $31.92 |
| Aug 24, 2026 | Ung Jeremyofficer: Chief Technology Officer | Tax | 876 | $31.92 |
| Aug 24, 2026 | Stalick Michelle Dofficer: Chief Accounting Officer | Tax | 265 | $31.92 |
| Aug 24, 2026 | Ung Jeremyofficer: Chief Technology Officer | Tax | 1,388 | $31.92 |
| Aug 24, 2026 | Morgan-Prager Karoleofficer: Chief Legal and Administrative | Tax | 1,063 | $31.92 |
| Aug 24, 2026 | Stalick Michelle Dofficer: Chief Accounting Officer | Tax | 143 | $31.92 |
| Aug 24, 2026 | Villanova Patrickofficer: Chief Financial Officer | Tax | 260 | $31.92 |
| Aug 24, 2026 | Villanova Patrickofficer: Chief Financial Officer | Tax | 300 | $31.92 |
| Aug 24, 2026 | Morgan-Prager Karoleofficer: Chief Legal and Administrative | Tax | 884 | $31.92 |
| Aug 24, 2026 | Stalick Michelle Dofficer: Chief Accounting Officer | Tax | 302 | $31.92 |
| Aug 24, 2026 | Van Houten Stuartofficer: Chief Commercial Officer | Tax | 1,720 | $31.92 |
| Aug 24, 2026 | Duan Jimmy Cofficer: Chief Customer Officer | Tax | 751 | $31.92 |
| Aug 24, 2026 | Duan Jimmy Cofficer: Chief Customer Officer | Tax | 1,190 | $31.92 |
| Jun 8, 2026 | Yamamoto Mikadirector | Sell | 3,000 | $28.48 |
| Jun 2, 2026 | Stalick Michelle Dofficer: Chief Accounting Officer | Sell | 780 | $30.93 |
| May 22, 2026 | HUGHES GREGORYdirector | Sell | 1,637 | $30.25 |
| May 21, 2026 | Duan Jimmy Cofficer: Chief Customer Officer | Tax | 1,190 | $30.84 |
| May 21, 2026 | Morgan-Prager Karoleofficer: Chief Legal and Administrative | Tax | 778 | $30.84 |
| May 21, 2026 | Tucker Theresedirector, officer: Founder | Tax | 2,016 | $30.84 |
| May 21, 2026 | Villanova Patrickofficer: Chief Financial Officer | Tax | 1,200 | $30.84 |
| May 21, 2026 | Morgan-Prager Karoleofficer: Chief Legal and Administrative | Tax | 884 | $30.84 |
Source: BL SEC Form 4 filings, latest Aug 28, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their BL positions over the last 6 months (SEC Form 13F).
Increased
165
New positions
98
Reduced
190
Sold out
70
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 8.2M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 7.7M | May 13, 2026 |
| CLEARLAKE CAPITAL GROUP, L.P. | Unchanged | 5.7M | Aug 14, 2026 |
| CLEARLAKE CAPITAL GROUP, L.P. | Unchanged | 5.7M | May 15, 2026 |
| UBS GROUP AG | Increased | 4.2M | May 5, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.1M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 3.8M | Aug 13, 2026 |
| Fivespan Partners, LP | Increased | 3.4M | Aug 13, 2026 |
| Fivespan Partners, LP | Increased | 3.0M | May 14, 2026 |
| FIRST MANHATTAN CO. LLC. | Increased | 2.7M | May 15, 2026 |
| FIRST MANHATTAN CO. LLC. | Reduced | 2.4M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.3M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 2.3M | Aug 13, 2026 |
| STATE STREET CORP | Increased | 2.2M | Aug 7, 2026 |
| ICONIQ CAPITAL, LLC | Unchanged | 2.1M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.