BLACKLINE (BL) stock: insider trades, news & valuation
Heavy sellingShare price and insider trades
BLACKLINE insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 5 sold $2.5M of BL stock on the open market.
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BL insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $2.3M | 2 |
| Q2 2026 | — | 0 | $173K | 4 |
| Q1 2026 | — | 0 | — | 0 |
| Q4 2025 | — | 0 | $50K | 1 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 BLACKLINE, INC. insiders reported open-market purchases totaling $0, while 5 insiders reported sales totaling $2.5M. 2 of 7 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 28SEC | Michelle D StalickChief Accounting Officer | Sell | 78034,712 held (−2%) | $33.65 | $26K | -11.5% | — |
| Aug 26SEC | Therese TuckerDirector | Sell | 70,000381,557 held (−16%) | $31.96 | $2.2M | -6.9% | — |
| Jun 8SEC | Mika YamamotoDirector | Sell | 3,00016,692 held (−15%) | $28.48 | $85K | +4.5% | — |
| Jun 2SEC | Michelle D StalickChief Accounting Officer | Sell | 78036,363 held (−2%) | $30.93 | $24K | -3.8% | — |
| May 22SEC | Gregory HughesDirector | Sell Plan | 1,6377,755 held (−17%) | $30.25 | $50K | -1.6% | — |
| May 20SEC | Michelle D StalickChief Accounting Officer | Sell | 45938,014 held (−1%) | $30.26 | $14K | -1.6% | — |
| Oct 28SEC | Thomas UntermanDirector | Sell Plan | 91041,835 held (−2%) | $55.00 | $50K | -45.9% | — |
Insiders at BLACKLINE, INC.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Therese TuckerDirector | — | $2.2M | Aug 26, 2026 | — |
| Mika YamamotoDirector | — | $85K | Jun 8, 2026 | — |
| Michelle D StalickChief Accounting Officer | — | $64K | Aug 28, 2026 | — |
| Thomas UntermanDirector | — | $50K | Oct 28, 2025 | — |
| Gregory HughesDirector | — | $50K | May 22, 2026 | — |
BL stock: common questions
Are BLACKLINE, INC. insiders buying BL stock?
In the past 12 months, 0 insiders reported open-market purchases of BL worth $0.
Are BLACKLINE, INC. insiders selling BL stock?
5 insiders reported sales worth $2.5M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is BL's 52-week range?
Over the past year BL has traded between $25.23 and $58.83. It last closed at $29.77 on Oct 9, 2026.