BL
BLACKLINE, INC.
Services-Prepackaged SoftwareNasdaqLarge accelerated filer
Total Trades
98
Buys
4
Sells
63
Largest Trade
N/A
Insiders
12
Institutional Funds
242
Inst. Value
$1M+
Activist Filings
15
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Unterman Thomas | Director | SELL | $50K–$100K | 910 | $55.00 | Oct 28, 2025 |
| Unterman Thomas | Director | SELL | $100K–$500K | 7K | $55.24 | Sep 24, 2025 |
| Stalick Michelle D | Chief Accounting O… | SELL | $15K–$50K | 664 | $54.03 | Aug 25, 2025 |
| Stalick Michelle D | Chief Accounting O… | SELL | $15K–$50K | 795 | $55.14 | May 29, 2025 |
| Woodhams Mark | Chief Revenue Offi… | SELL | $100K–$500K | 2K | $54.65 | May 22, 2025 |
| Stalick Michelle D | Chief Accounting O… | SELL | $15K–$50K | 400 | $54.96 | May 13, 2025 |
| Woodhams Mark | Chief Revenue Offi… | SELL | $100K–$500K | 9K | $49.67 | Feb 24, 2025 |
| Woodhams Mark | Chief Revenue Offi… | EXERCISE | $500K+ | 11K | $49.32 | Feb 24, 2025 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | SELL | $1M+ | 50K | $60.50 | Nov 12, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | EXERCISE | $500K+ | 50K | $14.00 | Nov 12, 2024 |
| Yamamoto Mika | Director | SELL | $100K–$500K | 3K | $62.08 | Nov 12, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | EXERCISE | $100K–$500K | 27K | $14.00 | Oct 21, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | SELL | $1M+ | 27K | $60.06 | Oct 21, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | SELL | $100K–$500K | 4K | $55.18 | Oct 10, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | EXERCISE | $50K–$100K | 4K | $14.00 | Oct 10, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | SELL | $100K–$500K | 6K | $55.14 | Oct 4, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | EXERCISE | $50K–$100K | 6K | $14.00 | Oct 4, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | EXERCISE | $100K–$500K | 10K | $14.00 | Oct 2, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | SELL | $500K+ | 10K | $54.03 | Oct 2, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | SELL | $500K+ | 10K | $55.00 | Oct 1, 2024 |
| Morgan-Prager Karole | CHIEF LEGAL AND AD… | EXERCISE | $100K–$500K | 10K | $14.00 | Oct 1, 2024 |
| Partin Mark | CHIEF FINANCIAL OF… | EXERCISE | $1M+ | 85K | $14.00 | Oct 1, 2024 |
| Partin Mark | CHIEF FINANCIAL OF… | SELL | $1M+ | 85K | $54.84 | Oct 1, 2024 |
| Partin Mark | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 6K | $53.00 | Sep 30, 2024 |
| Partin Mark | CHIEF FINANCIAL OF… | EXERCISE | $50K–$100K | 6K | $14.00 | Sep 30, 2024 |
| Woodhams Mark | Chief Revenue Offi… | SELL | $50K–$100K | 1K | $51.70 | Aug 22, 2024 |
| Ryan Owen | CO-CEO | BUY | $100K–$500K | 8K | $46.11 | Jun 12, 2024 |
| Partin Mark | CHIEF FINANCIAL OF… | SELL | $1M+ | 50K | $47.38 | Jun 6, 2024 |
| Partin Mark | CHIEF FINANCIAL OF… | EXERCISE | $500K+ | 50K | $14.00 | Jun 6, 2024 |
| Duan Jimmy C | Chief Customer Off… | BUY | $50K–$100K | 2K | $47.73 | Jun 3, 2024 |
| Ryan Owen | CO-CEO | BUY | $100K–$500K | 3K | $49.88 | May 28, 2024 |
| Woodhams Mark | CHIEF REVENUE OFFI… | SELL | $100K–$500K | 2K | $55.43 | May 23, 2024 |
| Woodhams Mark | CHIEF REVENUE OFFI… | SELL | $100K–$500K | 3K | $58.00 | May 2, 2024 |
| THOMPSON KEVIN B | Director | SELL | $100K–$500K | 5K | $57.50 | Mar 1, 2024 |
| Woodhams Mark | CHIEF REVENUE OFFI… | SELL | $100K–$500K | 3K | $56.15 | Feb 22, 2024 |
| PRAGER MORGAN KAROLE | CHIEF LEGAL AND AD… | SELL | $500K+ | 10K | $57.45 | Feb 22, 2024 |
| Unterman Thomas | Director | SELL | $15K–$50K | 750 | $60.00 | Feb 3, 2024 |
| Unterman Thomas | Director | SELL | $15K–$50K | 750 | $60.58 | Jan 3, 2024 |
| Unterman Thomas | Director | SELL | $15K–$50K | 750 | $60.00 | Dec 4, 2023 |
| Yamamoto Mika | Director | SELL | $100K–$500K | 5K | $53.77 | Nov 9, 2023 |
| Unterman Thomas | Director | SELL | $15K–$50K | 750 | $60.34 | Sep 1, 2023 |
| Unterman Thomas | Director | SELL | $15K–$50K | 750 | $60.00 | Sep 1, 2023 |
| Woodhams Mark | Chief Revenue Offi… | SELL | $15K–$50K | 558 | $52.00 | Aug 21, 2023 |
| Woodhams Mark | Chief Revenue Offi… | SELL | $15K–$50K | 558 | $53.28 | May 22, 2023 |
| HIRSCH PETER | CTO | SELL | $50K–$100K | 1K | $53.28 | May 22, 2023 |
| Partin Mark | CFO | SELL | $100K–$500K | 5K | $55.42 | May 2, 2023 |
| Partin Mark | CFO | EXERCISE | $50K–$100K | 5K | $14.00 | May 2, 2023 |
| Partin Mark | CFO | SELL | $500K+ | 10K | $64.66 | Apr 3, 2023 |
| Partin Mark | CFO | EXERCISE | $100K–$500K | 10K | $14.00 | Apr 3, 2023 |
| Unterman Thomas | Director | SELL | $15K–$50K | 750 | $66.54 | Apr 3, 2023 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 242 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| CLEARLAKE CAPITAL GROUP, L.P. | 5.7M | $1M+ | SH |
| FIRST MANHATTAN CO. LLC. | 2.4M | $1M+ | SH |
| Neuberger Berman Group LLC | 2.1M | $1M+ | SH |
| ICONIQ Capital, LLC | 2.1M | $1M+ | SH |
| STATE STREET CORP | 2.0M | $1M+ | SH |
| Conestoga Capital Advisors, LLC | 1.8M | $1M+ | SH |
| WESTWOOD HOLDINGS GROUP INC | 1.5M | $1M+ | SH |
| HAWK RIDGE CAPITAL MANAGEMENT LP | 1.5M | $1M+ | SH |
| NORGES BANK | 1.5M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 1.3M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $1M+ | SH |
| Fivespan Partners, LP | 926K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 824K | $1M+ | SH |
| SCHWARTZ INVESTMENT COUNSEL INC | 690K | $1M+ | SH |
| GENEVA CAPITAL MANAGEMENT LLC | 565K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 483K | $1M+ | SH |
| TEACHER RETIREMENT SYSTEM OF TEXAS | 476K | $1M+ | SH |
| BARCLAYS PLC | 458K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 457K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 378K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Aug 6, 2025
4.3%
2.7M shares
SC 13G/A · Jul 17, 2025
12.6%
7.8M shares
SC 13G/A · May 12, 2025
6.1%
3.9M shares
SC 13G/A · Nov 12, 2024
8.7%
5.4M shares
SC 13G/A · Apr 5, 2024
13.7%
8.5M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.0%
6.7M shares
SC 13G/A · Feb 13, 2024
8.0%
4.9M shares
SC 13G/A · Jan 26, 2024
7.9%
4.8M shares
The Vanguard Group - 23-1945930
SC 13G/A · Jul 10, 2023
10.4%
6.3M shares
SC 13G · Feb 14, 2023
9.6%
5.7M shares
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 95-4575414
SC 13G/A · Feb 14, 2023
3.7%
2.2M shares
SC 13G/A · Feb 14, 2023
7.9%
4.8M shares
SC 13G/A · Jan 31, 2023
6.6%
4.0M shares
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 95-4575414
SC 13G/A · Feb 11, 2022
5.4%
3.1M shares
SC 13G/A · Feb 11, 2022
7.9%
4.7M shares