Zentalis Pharmaceuticals, Inc.
Total Trades
77
Buys
5
Sells
61
Largest Trade
N/A
Insiders
18
Institutional Funds
59
Inst. Value
$1M+
Activist Filings
49
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Bruns Ingmar | Chief Medical Offi… | SELL | $1K–$15K | 3K | $2.43 | Feb 11, 2026 |
| Vultaggio Vincent | PAO and PFO | SELL | $50K–$100K | 40K | $2.43 | Feb 11, 2026 |
| EASTLAND JULIA MARIE | CEO & President | SELL | $15K–$50K | 9K | $2.43 | Feb 11, 2026 |
| Vultaggio Vincent | PAO and PFO | SELL | $1K–$15K | 3K | $2.54 | Feb 5, 2026 |
| WALTERS GROUP | 10% Owner | BUY | $1M+ | 6.5M | $1.20 | Jan 8, 2026 |
| Matrix Capital Management Company, LP | 10% Owner | SELL | $1M+ | 7.5M | $1.33 | Dec 15, 2025 |
| Myers Scott Dunseth | Director | BUY | $15K–$50K | 21K | $1.40 | Apr 30, 2025 |
| Lackner Mark | Chief Scientific O… | SELL | $1K–$15K | 4K | $3.12 | Jan 3, 2025 |
| Vultaggio Vincent | Principal Accounti… | SELL | $1K–$15K | 2K | $3.18 | Oct 4, 2024 |
| Gallagher Cam | President | SELL | $100K–$500K | 10K | $11.98 | May 31, 2024 |
| Epperly Melissa B, | CFO | SELL | $15K–$50K | 3K | $11.44 | Feb 13, 2024 |
| Gallagher Cam | President | SELL | $1K–$15K | 1K | $11.44 | Feb 13, 2024 |
| Lackner Mark | Chief Scientific O… | GRANT | N/A | 141K | — | Feb 6, 2024 |
| Lackner Mark | Chief Scientific O… | SELL | $15K–$50K | 2K | $11.54 | Feb 6, 2024 |
| Paul Andrea | Chief Legal Officer | SELL | $15K–$50K | 3K | $11.54 | Feb 6, 2024 |
| Paul Andrea | Chief Legal Officer | GRANT | N/A | 113K | — | Feb 6, 2024 |
| Gallagher Cam | President | GRANT | N/A | 193K | — | Feb 6, 2024 |
| Gallagher Cam | President | SELL | $100K–$500K | 12K | $11.54 | Feb 6, 2024 |
| Epperly Melissa B, | CFO | SELL | $100K–$500K | 9K | $11.54 | Feb 6, 2024 |
| Epperly Melissa B, | CFO | GRANT | N/A | 75K | — | Feb 6, 2024 |
| Johnson David Michael | Director | BUY | $100K–$500K | 17K | $9.88 | Nov 13, 2023 |
| Blackwell Kimberly | CEO | BUY | $50K–$100K | 5K | $10.29 | Nov 13, 2023 |
| Brownstein Carrie | Chief Medical Offi… | SELL | $100K–$500K | 11K | $19.50 | Oct 6, 2023 |
| Bunker Kevin D. | Chief Scientific O… | SELL | $100K–$500K | 6K | $19.50 | Oct 6, 2023 |
| Epperly Melissa B, | CFO | SELL | $100K–$500K | 5K | $19.50 | Oct 6, 2023 |
| Skvarka Jan | Director | SELL | $100K–$500K | 5K | $25.05 | Sep 13, 2023 |
| Matrix Capital Management Company, LP | 10% Owner | BUY | $1M+ | 4.8M | $22.66 | Jun 20, 2023 |
| Gallagher Cam | President | SELL | $500K+ | 28K | $26.27 | Jun 1, 2023 |
| Bunker Kevin D. | Chief Scientific O… | SELL | $1M+ | 80K | $30.02 | Jun 1, 2023 |
| Epperly Melissa B, | CFO | SELL | $100K–$500K | 8K | $20.13 | Feb 15, 2023 |
| Gallagher Cam | President | SELL | $100K–$500K | 12K | $20.09 | Feb 15, 2023 |
| Bunker Kevin D. | Chief Scientific O… | SELL | $100K–$500K | 10K | $20.14 | Feb 15, 2023 |
| Gallagher Cam | President | SELL | $100K–$500K | 10K | $22.27 | Feb 7, 2023 |
| Gallagher Cam | President | SELL | $100K–$500K | 10K | $24.15 | Jan 18, 2023 |
| Gallagher Cam | President | SELL | $100K–$500K | 10K | $21.02 | Jan 6, 2023 |
| Gallagher Cam | President | SELL | $100K–$500K | 13K | $22.77 | Nov 16, 2022 |
| Gallagher Cam | President | SELL | $500K+ | 25K | $23.62 | Nov 9, 2022 |
| Gallagher Cam | President | SELL | $100K–$500K | 13K | $23.51 | Oct 18, 2022 |
| Gallagher Cam | President | SELL | $500K+ | 23K | $22.45 | Oct 7, 2022 |
| Gallagher Cam | President | SELL | $500K+ | 23K | $24.90 | Sep 17, 2022 |
| Bunker Kevin D. | COO | SELL | $100K–$500K | 5K | $30.00 | Aug 12, 2022 |
| Bunker Kevin D. | COO | SELL | $100K–$500K | 5K | $30.00 | Jul 21, 2022 |
| Bunker Kevin D. | COO | SELL | $100K–$500K | 5K | $30.01 | Jul 14, 2022 |
| Bunker Kevin D. | COO | SELL | $500K+ | 25K | $30.07 | Jul 6, 2022 |
| Bunker Kevin D. | COO | SELL | $100K–$500K | 5K | $30.55 | Apr 13, 2022 |
| Epperly Melissa B, | CFO | SELL | $500K+ | 17K | $50.09 | Apr 5, 2022 |
| SUN ANTHONY Y | President & CEO | SELL | $1M+ | 21K | $50.01 | Apr 5, 2022 |
| Gallagher Cam | Director | SELL | $500K+ | 10K | $50.48 | Apr 5, 2022 |
| Bunker Kevin D. | COO | SELL | $100K–$500K | 10K | $49.07 | Mar 21, 2022 |
| Gallagher Cam | Director | SELL | $100K–$500K | 10K | $41.92 | Mar 16, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 59 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| 5AM Venture Management, LLC | 3.9M | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 2.9M | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 2.8M | $1M+ | SH |
| Decheng Capital LLC | 1.3M | $1M+ | SH |
| GSA CAPITAL PARTNERS LLP | 1.2M | $1M+ | SH |
| PRIMECAP MANAGEMENT CO/CA/ | 957K | $1M+ | SH |
| PFIZER INC | 954K | $1M+ | SH |
| Connor, Clark & Lunn Investment Management Ltd. | 787K | $1M+ | SH |
| UBS Group AG | 674K | $500K+ | SH |
| Almitas Capital LLC | 610K | $500K+ | SH |
| BARCLAYS PLC | 568K | $500K+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 477K | $500K+ | SH |
| Stonepine Capital Management, LLC | 464K | $500K+ | SH |
| Peapod Lane Capital LLC | 449K | $500K+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 419K | $500K+ | SH |
| STATE STREET CORP | 272K | $100K–$500K | SH |
| Anfield Capital Management, LLC | 243K | $100K–$500K | SH |
| JPMORGAN CHASE & CO | 185K | $100K–$500K | SH |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 130K | $100K–$500K | SH |
| SEI INVESTMENTS CO | 167K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Mar 3, 2026
5.1%
3.7M shares
SC 13G/A · Jan 6, 2026
19.7%
13.5M shares
Matrix Capital Management Company, LP
SC 13D/A · Jan 2, 2026
0.0%
0 shares
5AM Opportunities II (GP), LLC
SC 13G · Dec 30, 2025
5.2%
3.9M shares
Matrix Capital Management Company, LP
SC 13D/A · Dec 15, 2025
10.0%
6.5M shares
SC 13G · Nov 12, 2025
5.3%
3.8M shares
SC 13G/A · Oct 14, 2025
1.3%
903K shares
SC 13G/A · Jul 16, 2025
2.2%
1.6M shares
Eventide Asset Management, LLC
SC 13G/A · May 14, 2025
0.0%
0 shares
Eventide Asset Management, LLC
SC 13G/A · May 13, 2025
0.0%
0 shares
Eventide Asset Management, LLC
SC 13G/A · Feb 14, 2025
6.3%
4.5M shares
SC 13G · Feb 4, 2025
5.3%
3.8M shares
SC 13G/A · Jan 31, 2025
9.9%
7.0M shares
SC 13G/A · Jan 31, 2025
4.6%
3.3M shares
SC 13G/A · Jan 22, 2025
9.1%
6.5M shares
SC 13G/A · Jan 8, 2025
7.0%
5.0M shares
SC 13G · Dec 10, 2024
5.6%
4.0M shares
SC 13G/A · Dec 6, 2024
0.2%
176K shares
SC 13G/A · Nov 14, 2024
3.7%
6 shares
SC 13G/A · Nov 12, 2024
6.5%
4.6M shares
Eventide Asset Management, LLC
SC 13G/A · Nov 6, 2024
10.0%
7.1M shares
SC 13G/A · Nov 4, 2024
6.5%
4.6M shares
STATE STREET CORPORATION 04-2456637
SC 13G/A · Oct 18, 2024
1.8%
1.2M shares
SC 13G/A · Oct 7, 2024
7.1%
5.1M shares
SC 13G/A · Feb 14, 2024
5.1%
6 shares
Avidity Partners Management LP
SC 13G/A · Feb 14, 2024
0.0%
0 shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
7.6%
5.4M shares
Capital International Investors 95-1411037
SC 13G/A · Feb 9, 2024
4.0%
2.8M shares
SC 13G/A · Jan 29, 2024
6.6%
4.7M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 25, 2024
6.2%
0 shares
Eventide Asset Management, LLC
SC 13G/A · Dec 11, 2023
16.3%
11.6M shares
SC 13G · Nov 17, 2023
5.1%
6 shares
Eventide Asset Management, LLC
SC 13G · Oct 10, 2023
11.1%
7.8M shares
Matrix Capital Management Company LP
SC 13D/A · Jun 20, 2023
19.8%
14.0M shares
SC 13G/A · Mar 10, 2023
0.6%
361K shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2023
3.8%
2.2M shares
Avidity Partners Management LP
SC 13G/A · Feb 14, 2023
9.0%
5.2M shares
TYBOURNE CAPITAL MANAGEMENT (HK) LIMITED
SC 13G · Feb 14, 2023
3.9%
2.2M shares
Capital International Investors 95-1411037
SC 13G · Feb 13, 2023
5.3%
3.0M shares
SC 13G/A · Feb 9, 2023
13.9%
7.9M shares
SC 13G/A · Feb 1, 2023
6.1%
3.5M shares
Matrix Capital Management Company LP
SC 13D · Jun 3, 2022
16.4%
9.2M shares
SC 13G/A · Feb 14, 2022
0.0%
0 shares
SC 13G/A · Feb 14, 2022
4.7%
2.1M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G · Feb 14, 2022
9.6%
4.4M shares
TYBOURNE CAPITAL MANAGEMENT (HK) LIMITED
SC 13G · Feb 14, 2022
5.8%
2.6M shares
Matrix Capital Management Company LP
SC 13G/A · Feb 14, 2022
9.6%
4.3M shares
SC 13G/A · Feb 10, 2022
6.2%
2.9M shares
Avidity Partners Management LP
SC 13G · Feb 1, 2022
6.7%
3.0M shares