Updated Jul 16, 2026 · Last SEC filing 2026-06-08
BLACKLINE, INC. (BL) has filed 24 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-08. 2 Form 8-K material event filings were reported by BL in the last 90 days. 4 Form 144 notices of proposed sale were filed for BL stock. InsiderAlpha tracks every BL SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001666134 |
|---|
| Form 4 filings (90d) | 24 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 4 |
| Latest Form 4 filing | 2026-06-08 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Yamamoto Mika | Director | S — Open-market sale | 3.0K | $28.48 | $85K | SEC | |
| Stalick Michelle D | Chief Accounting Officer | S — Open-market sale | 780 | $30.93 | $24K | SEC | |
| HUGHES GREGORY | Director | S — Open-market sale | 1.6K | $30.25 | $50K | SEC | |
| Ung Jeremy | Chief Technology Officer | F — Tax withholding / forfeiture | 1.4K | $30.84 | $43K | SEC | |
| Van Houten Stuart | Chief Commercial Officer | F — Tax withholding / forfeiture | 1.7K | $30.84 | $53K | SEC | |
| Villanova Patrick | Chief Financial Officer | F — Tax withholding / forfeiture | 300 | $30.84 | $9K | SEC | |
| Stalick Michelle D | Chief Accounting Officer | F — Tax withholding / forfeiture | 143 | $30.84 | $4K | SEC | |
| Duan Jimmy C | Chief Customer Officer | F — Tax withholding / forfeiture | 751 | $30.84 | $23K | SEC | |
| Ryan Owen | Chief Executive Officer | F — Tax withholding / forfeiture | 2.0K | $30.84 | $63K | SEC | |
| Ryan Owen | Chief Executive Officer | F — Tax withholding / forfeiture | 2.4K | $30.84 | $75K | SEC | |
| Stalick Michelle D | Chief Accounting Officer | F — Tax withholding / forfeiture | 266 | $30.84 | $8K | SEC | |
| Villanova Patrick | Chief Financial Officer | F — Tax withholding / forfeiture | 1.2K | $30.84 | $37K | SEC | |
| Stalick Michelle D | Chief Accounting Officer | F — Tax withholding / forfeiture | 301 | $30.84 | $9K | SEC | |
| Villanova Patrick | Chief Financial Officer | F — Tax withholding / forfeiture | 259 | $30.84 | $8K | SEC | |
| Duan Jimmy C | Chief Customer Officer | F — Tax withholding / forfeiture | 1.2K | $30.84 | $37K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for BLACKLINE, INC. (BL). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Stalick Michelle D | 6 | $65K |
| Ryan Owen | 4 | $207K |
| Morgan-Prager Karole | 3 | $84K |
| Villanova Patrick | 3 | $54K |
| Tucker Therese | 3 | $205K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in BL insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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