BL Blackline (BL) Insider Trading, Ownership & Congress Trades
What the filings say about BL
Blackline insider trades (Form 4)
Over the last 180 days, BLACKLINE, INC. insiders sold a net $2.4M of stock across 209 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.
Context
- 5 earlier Form 4 trades (code P or S) here by this insider (5 sales), the last on Jun 1, 2026.
- The trade is 2.2% of the 34,712 shares held after it.
- 1 other insider sold within 30 days.
- 122 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Accounting Officer Stalick Michelle D sold about $26.2K of BL on Aug 27, 2026; 1 other insider sold within 30 days and 122 funds added in the latest 13F quarter.Context
- 51 earlier Form 4 trades (code P or S) here by this insider (51 sales), the last on Nov 30, 2021.
- The trade is 18.3% of the 381,557 shares held after it.
- 1 other insider sold within 30 days.
- 122 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Tucker Therese sold about $2.2M of BL on Aug 24, 2026, the largest insider sale at the company since 2024; 1 other insider sold within 30 days and 122 funds added in the latest 13F quarter.Context
- 3 earlier Form 4 trades (code P or S) here by this insider (3 sales), the last on Nov 11, 2024.
- The trade is 18.0% of the 16,692 shares held after it.
- 2 other insiders sold within 30 days.
- 122 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Yamamoto Mika sold about $85.4K of BL on Jun 5, 2026, the largest insider sale at the company since 2025; 2 other insiders sold within 30 days and 122 funds added in the latest 13F quarter.Context
- 4 earlier Form 4 trades (code P or S) here by this insider (4 sales), the last on May 18, 2026.
- The trade is 2.1% of the 36,363 shares held after it.
- 2 other insiders sold within 30 days.
- 122 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Accounting Officer Stalick Michelle D sold about $24.1K of BL on Jun 1, 2026; 2 other insiders sold within 30 days and 122 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 21.1% of the 7,755 shares held after it.
- 2 other insiders sold within 30 days.
- 122 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director HUGHES GREGORY sold about $49.5K of BL on May 21, 2026; 2 other insiders sold within 30 days and 122 funds added in the latest 13F quarter.Watch BL
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
Who owns BL: institutional holders (13F)
Congress trades in BL
Activist and 5% holders (13D/13G)
BL planned insider sales (Form 144)
BL mutual fund holders (N-PORT)
BL financials
| FY Dec 2025 | $700.4M |
| FY Dec 2024 | $653.3M |
| FY Dec 2023 | $590.0M |
| FY Dec 2022 | $522.9M |
| FY Dec 2021 | $425.7M |
| Jun 2026 | $187.8M |
| Mar 2026 | $183.2M |
| Dec 2025 | $183.2M |
| Sep 2025 | $178.3M |
| Jun 2025 | $172.0M |
| Mar 2025 | $166.9M |
| Dec 2024 | $169.5M |
| Sep 2024 | $165.9M |
| FY Dec 2025 | +3.5% |
| FY Dec 2024 | +24.7% |
| FY Dec 2023 | +9.0% |
| FY Dec 2022 | -5.6% |
| FY Dec 2021 | -27.1% |
| Jun 2026 | +8.8% |
| Mar 2026 | +4.4% |
| Dec 2025 | +2.7% |
| Sep 2025 | +3.0% |
| Jun 2025 | +4.8% |
| Mar 2025 | +3.6% |
| Dec 2024 | +33.3% |
| Sep 2024 | +10.4% |
| FY Dec 2025 | $161.5M |
| FY Dec 2024 | $188.7M |
| FY Dec 2023 | $120.7M |
| FY Dec 2022 | $45.0M |
| FY Dec 2021 | $71.4M |
| Jun 2026 | $43.1M |
| Mar 2026 | $44.2M |
| Dec 2025 | $26.1M |
| Sep 2025 | $63.3M |
| Jun 2025 | $31.4M |
| Mar 2025 | $40.8M |
| Dec 2024 | $43.0M |
| Sep 2024 | $55.5M |
| FY Dec 2025 | 2.00x |
| FY Dec 2024 | 2.00x |
| FY Dec 2023 | 4.37x |
| FY Dec 2022 | 12.37x |
| FY Dec 2021 | 3.43x |
| Jun 2026 | 2.11x |
| Mar 2026 | 2.18x |
| Dec 2025 | 2.00x |
| Sep 2025 | 2.03x |
| Jun 2025 | 1.61x |
| Mar 2025 | 1.59x |
| Dec 2024 | 2.00x |
| Sep 2024 | 2.42x |
| FY Dec 2025 | 0.25x |
| FY Dec 2024 | 0.21x |
| FY Dec 2023 | 0.11x |
| FY Dec 2022 | 0.04x |
| FY Dec 2021 | 0.07x |
| Jun 2026 | 0.27x |
| Mar 2026 | 0.25x |
| Dec 2025 | 0.25x |
| Sep 2025 | 0.28x |
| Jun 2025 | 0.27x |
| Mar 2025 | 0.28x |
| Dec 2024 | 0.21x |
| Sep 2024 | 0.21x |
| FY Dec 2025 | +6.3% |
| FY Dec 2024 | +45.6% |
| FY Dec 2023 | +28.3% |
| FY Dec 2022 | -13.5% |
| FY Dec 2021 | -30.8% |
| Jun 2026 | +9.5% |
| Mar 2026 | +7.3% |
| Dec 2025 | +6.3% |
| Sep 2025 | +21.8% |
| Jun 2025 | +23.8% |
| Mar 2025 | +44.8% |
| Dec 2024 | +45.6% |
| Sep 2024 | +43.5% |
| FY Dec 2025 | +1.4% |
| FY Dec 2024 | +8.2% |
| FY Dec 2023 | +2.6% |
| FY Dec 2022 | -1.6% |
| FY Dec 2021 | -7.9% |
| Jun 2026 | +2.1% |
| Mar 2026 | +1.6% |
| Dec 2025 | +1.4% |
| Sep 2025 | +4.5% |
| Jun 2025 | +4.8% |
| Mar 2025 | +8.1% |
| Dec 2024 | +8.2% |
| Sep 2024 | +6.8% |
| FY Dec 2025 | +3.5% |
| FY Dec 2024 | n/a |
| FY Dec 2023 | +1.3% |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | +2.7% |
| Mar 2026 | +2.3% |
| Dec 2025 | +3.5% |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | +3.3% |
| FY Dec 2025 | +2.1% |
| FY Dec 2024 | +1.3% |
| FY Dec 2023 | +0.9% |
| FY Dec 2022 | -3.7% |
| FY Dec 2021 | -3.3% |
| Jun 2026 | +2.9% |
| Mar 2026 | +2.6% |
| Dec 2025 | +2.1% |
| Sep 2025 | +2.1% |
| Jun 2025 | +2.1% |
| Mar 2025 | +1.5% |
| Dec 2024 | +1.3% |
| Sep 2024 | +1.8% |
| FY Dec 2025 | 138.23x |
| FY Dec 2024 | 41.90x |
| FY Dec 2023 | 82.16x |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | 49.25x |
| Mar 2026 | 86.05x |
| Dec 2025 | 138.23x |
| Sep 2025 | 47.84x |
| Jun 2025 | 43.89x |
| Mar 2025 | 35.09x |
| Dec 2024 | 41.90x |
| Sep 2024 | 56.27x |
| FY Dec 2025 | $3.6B |
| FY Dec 2024 | $3.8B |
| FY Dec 2023 | $4.7B |
| FY Dec 2022 | $5.2B |
| FY Dec 2021 | $6.6B |
| Jun 2026 | $2.1B |
| Mar 2026 | $2.6B |
| Dec 2025 | $3.6B |
| Sep 2025 | $3.5B |
| Jun 2025 | $3.7B |
| Mar 2025 | $3.2B |
| Dec 2024 | $3.8B |
| Sep 2024 | $3.6B |
| FY Dec 2025 | +4.9% |
| FY Dec 2024 | +5.0% |
| FY Dec 2023 | +3.2% |
| FY Dec 2022 | +1.1% |
| FY Dec 2021 | +1.2% |
| Jun 2026 | +10.7% |
| Mar 2026 | +7.5% |
| Dec 2025 | +4.9% |
| Sep 2025 | +5.4% |
| Jun 2025 | +4.8% |
| Mar 2025 | +5.9% |
| Dec 2024 | +5.0% |
| Sep 2024 | +5.4% |
| FY Dec 2025 | n/a |
| FY Dec 2024 | 0.46x |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | 3.61x |
| Jun 2025 | 1.01x |
| Mar 2025 | 1.59x |
| Dec 2024 | 0.46x |
| Sep 2024 | 1.01x |
Method
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Revenue | $700.4M | $653.3M | $590.0M | $522.9M |
| Gross profit | $527.0M | $491.4M | $443.2M | $393.6M |
| Operating income | $25.6M | $18.5M | $14.3M | -$56.2M |
| Net income | $24.5M | $161.2M | $52.8M | -$29.4M |
| EPS (diluted) | 0.39 | 1.45 | 0.81 | -0.49 |
| Operating cash flow | $169.6M | $190.8M | $126.6M | $56.0M |
| Cash | $390.0M | $885.9M | $271.1M | $201.0M |
| Long-term debt | $666.0M | $892.7M | $1.1B | $1.4B |
| Buybacks | $235.5M | $0 | n/a | n/a |
BL Stock Sonar score 6/7 axes
Find similar shapesCompareBL ranks highest on growth (54th percentile) and institutional and government (48th), and lowest on insider conviction (22nd), among Software & IT peers.
6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
BL filings, in plain words
Are Blackline insiders buying or selling BL?
In the 180 days to 2026-10-28, Blackline insiders were net sellers, a net $2.4M across purchases and sales reported on Form 4, by 4 sellers.
Have members of Congress traded BL?
Yes. In the year to 2026-10-28, 1 House member disclosed buying BL and 1 House member disclosed selling it; the latest on record is a sale by Lisa McClain dated 2025-10-31.
Are there planned insider sales of BL?
Yes. 1 Form 144 notice of planned insider sales was filed in the 90 days to 2026-10-28, covering $2.2M of stock; the latest, by Tucker Therese, was filed 2026-08-24.
Read the full summary
In the 180 days to 2026-10-28, Blackline insiders were net sellers of BL, a net $2.4M across purchases and sales reported on Form 4 by 4 sellers. None of the 6 insider sales was flagged as made under a Rule 10b5-1 plan. In the year to 2026-10-28, 1 member of Congress disclosed buying BL and 1 member disclosed selling it; the latest on record is a sale by Lisa McClain dated 2025-10-31. Insiders filed 1 Form 144 notice of intent to sell in the 90 days to 2026-10-28, covering $2.2M of stock. The latest 5% ownership filing is a 13D by Fivespan Partners, LP, filed 2026-03-12, for 5.1% of the class. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

