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- Michelle D. Stalick - OfficerOpen-market sale$26K
- Therese Tucker - DirectorOpen-market sale$2.24M
About BLACKLINE, INC. (BL)
BLACKLINE, INC. files with the SEC under CIK 0001666134 and is classified as prepackaged software. We track it alongside the rest of the Information Technology sector.
BL Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 70,780 | $2.26M |
| Option exercise | 6 | 194,620 | |
| Tax withholding / forfeiture | 18 | 17,981 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
BL insider transactions (Form 4)
8296 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Michelle D. Stalick - Officer | Tax withholding / forfeiture | Common Stock | 172 footnote F1 | $53.49 | $9K | |
| Michelle D. Stalick - Officer | Tax withholding / forfeiture | Common Stock | 143 footnote F1 | $53.49 | $8K | |
| Michelle D. Stalick - Officer | Tax withholding / forfeiture | Common Stock | 161 footnote F1 | $53.49 | $9K | |
| Michelle D. Stalick - Officer | Tax withholding / forfeiture | Common Stock | 265 footnote F1 | $53.49 | $14K | |
| ||||||
 Jimmy C. Duan - Officer | Tax withholding / forfeiture | Common Stock | 1,190 footnote F1 | $53.49 | $64K | |
| ||||||
 Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 571 footnote F1 | $53.49 | $31K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 776 footnote F1 | $53.49 | $42K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 882 footnote F1 | $53.49 | $47K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 7,084 footnote F1 | $53.49 | $379K | |
| ||||||
 Thomas Unterman - Director | Open-market sale | Common Stock | 910 | $55.00 | $50K | |
| Thomas Unterman - Director | Open-market sale | Common Stock | 2,730 | $55.00 | $150K | |
| Thomas Unterman - Director | Open-market sale | Common Stock | 910 | $55.00 | $50K | |
| Thomas Unterman - Director | Open-market sale | Common Stock | 910 | $55.23 | $50K | |
| Thomas Unterman - Director | Open-market sale | Common Stock | 885 | $56.70 | $50K | |
| Thomas Unterman - Director | Open-market sale | Common Stock | 910 | $55.00 | $50K | |
| Thomas Unterman - Director | Open-market sale | Common Stock | 910 | $55.00 | $50K | |
| Michelle D. Stalick - Officer | Open-market sale | Common Stock | 664 | $54.03 | $36K | |
| Jeremy Ung - Officer | Tax withholding / forfeiture | Common Stock | 1,388 | $52.23 | $72K | |
| Therese Tucker - Officer | Tax withholding / forfeiture | Common Stock | 2,219 | $52.23 | $116K | |
| Therese Tucker - Officer | Tax withholding / forfeiture | Common Stock | 2,012 | $52.23 | $105K | |
| Patrick Villanova - Officer | Tax withholding / forfeiture | Common Stock | 220 | $52.23 | $11K | |
| Patrick Villanova - Officer | Tax withholding / forfeiture | Common Stock | 259 | $52.23 | $14K | |
| Patrick Villanova - Officer | Tax withholding / forfeiture | Common Stock | 299 | $52.23 | $16K | |
 Owen Ryan - Officer | Tax withholding / forfeiture | Common Stock | 2,235 | $52.23 | $117K | |
| Owen Ryan - Officer | Tax withholding / forfeiture | Common Stock | 2,027 | $52.23 | $106K | |
| Michelle D. Stalick - Officer | Tax withholding / forfeiture | Common Stock | 172 | $52.23 | $9K | |
| Michelle D. Stalick - Officer | Tax withholding / forfeiture | Common Stock | 143 | $52.23 | $7K | |
| Michelle D. Stalick - Officer | Tax withholding / forfeiture | Common Stock | 161 | $52.23 | $8K | |
| Michelle D. Stalick - Officer | Tax withholding / forfeiture | Common Stock | 265 | $52.23 | $14K | |
| Jimmy C. Duan - Officer | Tax withholding / forfeiture | Common Stock | 1,190 | $52.23 | $62K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 571 | $52.23 | $30K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 776 | $52.23 | $41K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 883 | $52.23 | $46K | |
 David J. Henshall - Director | Open-market purchase | Common Stock | 10,000 | $48.60 | $486K | |
 Gregory Hughes - Director | Grant or award | Common Stock | 2,976 | $0.00 | - | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 571 | $55.43 | $32K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 776 | $55.43 | $43K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 882 | $55.43 | $49K | |
| Thomas Unterman - Director | Grant or award | Common Stock | 3,776 | $0.00 | - | |
| David J. Henshall - Director | Grant or award | Common Stock | 3,776 | $0.00 | - | |
| Karole Morgan-Prager - Officer | Grant or award | Common Stock | 31,520 | $0.00 | - | |
| Mark Woodhams - Officer | Option exercise | Common Stock | 1,002 | $49.04 | $49K | |
| Mark Woodhams - Officer | Option exercise | Common Stock | 456 | $48.65 | $22K | |
| Mark Woodhams - Officer | Option exercise | Stock Option (Right to Buy) | 456 | $0.00 | - | |
| Mark Woodhams - Officer | Option exercise | Stock Option (Right to Buy) | 1,002 | $0.00 | - | |
| Mark Woodhams - Officer | Option exercise | Common Stock | 7,998 | $49.04 | $392K | |
| Mark Woodhams - Officer | Option exercise | Common Stock | 3,544 | $48.65 | $172K | |
| Mark Woodhams - Officer | Open-market sale | Common Stock | 21,242 | $64.25 | $1.36M | |
| Mark Woodhams - Officer | Open-market sale | Common Stock | 3,166 | $64.78 | $205K | |
| Mark Woodhams - Officer | Option exercise | Stock Option (Right to Buy) | 3,544 | $0.00 | - | |
| Mark Woodhams - Officer | Option exercise | Stock Option (Right to Buy) | 7,998 | $0.00 | - | |
| Owen Ryan - Officer | Gift | Common Stock | 150 | $0.00 | - | |
| Owen Ryan - Officer | Gift | Common Stock | 150 | $0.00 | - | |
| Mark Woodhams - Officer | Tax withholding / forfeiture | Common Stock | 252 | $58.53 | $15K | |
| Mark Woodhams - Officer | Tax withholding / forfeiture | Common Stock | 658 | $58.53 | $39K | |
| Mark Woodhams - Officer | Tax withholding / forfeiture | Common Stock | 705 | $58.53 | $41K | |
| Mark Woodhams - Officer | Tax withholding / forfeiture | Common Stock | 10,181 | $58.53 | $596K | |
| Patrick Villanova - Officer | Tax withholding / forfeiture | Common Stock | 42 | $58.53 | $2K | |
| Patrick Villanova - Officer | Tax withholding / forfeiture | Common Stock | 220 | $58.53 | $13K | |
| Patrick Villanova - Officer | Tax withholding / forfeiture | Common Stock | 259 | $58.53 | $15K | |
| Patrick Villanova - Officer | Tax withholding / forfeiture | Common Stock | 4,243 | $58.53 | $248K | |
| Therese Tucker - Officer | Tax withholding / forfeiture | Common Stock | 1,501 | $58.53 | $88K | |
| Therese Tucker - Officer | Tax withholding / forfeiture | Common Stock | 2,214 | $58.53 | $130K | |
| Owen Ryan - Officer | Tax withholding / forfeiture | Common Stock | 2,234 | $58.53 | $131K | |
| Mark Partin - Officer | Tax withholding / forfeiture | Common Stock | 356 | $58.53 | $21K | |
| Mark Partin - Officer | Tax withholding / forfeiture | Common Stock | 1,034 | $58.53 | $61K | |
| Mark Partin - Officer | Tax withholding / forfeiture | Common Stock | 1,107 | $58.53 | $65K | |
| Mark Partin - Officer | Tax withholding / forfeiture | Common Stock | 18,664 | $58.53 | $1.09M | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 214 | $58.53 | $13K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 570 | $58.53 | $33K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 775 | $58.53 | $45K | |
| Karole Morgan-Prager - Officer | Tax withholding / forfeiture | Common Stock | 14,140 | $58.53 | $828K | |
| Mika Yamamoto - Director | Open-market sale | Common Stock | 3,020 | $62.08 | $187K | |
| Mika Yamamoto - Director | Open-market sale | Common Stock | 200 | $62.10 | $12K | |
| Karole Morgan-Prager - Officer | Option exercise | Common Stock | 6,351 | $14.00 | $89K | |
| Karole Morgan-Prager - Officer | Option exercise | Common Stock | 6,351 | $14.00 | $89K | |
| Karole Morgan-Prager - Officer | Option exercise | Common Stock | 37,479 | $14.00 | $525K | |
| Karole Morgan-Prager - Officer | Open-market sale | Common Stock | 47,200 | $60.46 | $2.85M | |
| Karole Morgan-Prager - Officer | Open-market sale | Common Stock | 2,981 | $61.07 | $182K | |
| Karole Morgan-Prager - Officer | Option exercise | Stock Option (Right to Buy) | 6,351 | $0.00 | - | |
| Karole Morgan-Prager - Officer | Option exercise | Stock Option (Right to Buy) | 6,351 | $0.00 | - | |
| Karole Morgan-Prager - Officer | Option exercise | Stock Option (Right to Buy) | 37,479 | $0.00 | - | |
See every BL filing on record
These pages show the latest 90 of 96 Form 4 filings on record. The 7-day demo shows all 96, and sign-up brings you back to this table.
Item 8.01
Item 2.02, 9.01
Item 5.02, 9.01
Item 5.07
Recent BL Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Tucker Therese | Officer, Director | 70,000 | $2.24M | View on EDGAR | |
| - | - | - | - |
Stock trades in BL disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
 Lisa C. McClainRepublican, MI-09 | Purchase |
BL insider trading FAQ
What is the latest insider trade for BL?
BLACKLINE, INC. (BL) had 10 insider filings in the last 90 days, with the most recent on 2026-09-04. The full record for BL runs to 96 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying BL stock?
No insider purchases of BL were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling BL stock?
2 insider sales of BL were filed in the last 90 days, totaling $2.26M.
Where can I see BL SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects BL Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Patrick Villanova view on EDGAR
- - Michelle D. Stalick view on EDGAR
- - Therese Tucker view on EDGAR
- - Jimmy C. Duan view on EDGAR
- - Patrick Villanova view on EDGAR
- - Houten Stuart van view on EDGAR
- - Jeremy Ung view on EDGAR
- - Michelle D. Stalick view on EDGAR
- - Owen Ryan view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where BL's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow BL with a 7-day demo
- BL on your watchlist
- Every BL Form 4 filing on record
- Up to 3 months of BL price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
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