ZNTL insider buying – Zentalis Pharmaceuticals, Inc.
15 insider purchases since 2016 worth $145.3M by 12 different insiders. Last 12 months: 2 purchases, $22.9M. Most recent filing: 2026-08-19.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits. 4 older purchases (before the 5-year window) are listed in the table below.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| Matrix Capital Management Company, LP 10% Owner | $107.9M 1× · 4,760,000 sh | 2023-06-20 2023-06-20 | – | 13,959,973 shares as of 2023-06-20 | Holds - never sold |
| WALTERS WILLIAM THURMAN 10% Owner | $22.9M 2× · 10,794,973 sh | 2025-12-31 2026-08-14 | – | 17,844,973 shares as of 2026-08-19 | Holds - never sold |
| Ott David C. 10% Owner | $13.1M 1× · 725,000 sh | 2020-04-07 2020-04-07 | – | 4,443,284 shares as of 2020-04-08 | Holds - never sold |
| Epperly Melissa B, CFO | $859,772 2× · 29,611 sh | 2020-04-07 2021-08-18 | 15× · $4.0M last 2024-02-02 | 451,449 shares as of 2024-02-12 | Sold part |
| Johnson David Michael Director | $239,960 2× · 21,000 sh | 2020-04-07 2023-11-10 | 3× · $2.1M last 2021-10-04 | 307,521 shares as of 2026-06-18 | Holds (sold earlier) |
| Skvarka Jan Director | $103,200 1× · 60,000 sh | 2025-01-31 2025-01-31 | 1× · $125,250 last 2023-09-11 | 264,254 shares as of 2026-06-18 | Holds (sold earlier) |
| Blackwell Kimberly CEO | $51,450 1× · 5,000 sh | 2023-11-13 2023-11-13 | 4× · $323,630 last 2022-01-03 | 484,145 shares as of 2024-02-05 | Holds (sold earlier) |
| EASTLAND JULIA MARIE CEO | $49,305 1× · 28,500 sh | 2025-01-31 2025-01-31 | – | 79,133 shares as of 2026-02-10 | Holds - never sold |
| Bruns Ingmar Officer | $45,600 1× · 20,000 sh | 2025-02-06 2025-02-06 | – | 33,332 shares as of 2026-02-10 | Holds - never sold |
| Myers Scott Dunseth Director | $29,400 1× · 21,000 sh | 2025-04-30 2025-04-30 | – | 395,895 shares as of 2026-06-18 | Holds - never sold |
| Walker Luke Nathaniel Director | $24,992 1× · 14,200 sh | 2025-01-31 2025-01-31 | – | 201,384 shares as of 2026-06-18 | Holds - never sold |
| SUN ANTHONY Y CEO | $15,984 1× · 888 sh | 2020-04-07 2020-04-07 | 21× · $32.8M last 2022-04-04 | 2,602,612 shares as of 2022-04-05 | Sold part |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 2 | $22.9M | 1 | 1 | $97,540 |
| 2025 | 5 | $252,497 | 5 | 1 | $10.0M |
| 2024 | 0 | – | – | 3 | $348,322 |
| 2023 | 3 | $108.1M | 3 | 12 | $5.0M |
| 2022 | 0 | – | – | 33 | $19.3M |
| 2021 | 1 | $499,772 | 1 | 60 | $47.7M |
| 2020 | 4 | $13.5M | 4 | 14 | $38.5M |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-19 | WALTERS WILLIAM THURMAN | 10% Owner | 4,335,000 | $3.50 | $15.2M | +32.1% | SEC |
| 2026-01-08 | WALTERS WILLIAM THURMAN | 10% Owner | 6,459,973 | $1.20 | $7.8M | +91.6% | SEC |
| 2025-04-30 | Myers Scott Dunseth | Director | 21,000 | $1.40 | $29,400 | +8.1% | SEC |
| 2025-02-12 | Bruns Ingmar | Officer | 20,000 | $2.28 | $45,600 | +120.3% | SEC |
| 2025-02-04 | Walker Luke Nathaniel | Director | 14,200 | $1.76 | $24,992 | +19.6% | SEC |
| 2025-02-04 | Skvarka Jan | Director | 60,000 | $1.72 | $103,200 | +67.0% | SEC |
| 2025-02-04 | EASTLAND JULIA MARIE | CEO | 28,500 | $1.73 | $49,305 | SEC | |
| 2023-11-13 | Blackwell Kimberly | CEO | 5,000 | $10.29 | $51,450 | +2.0% | SEC |
| 2023-11-13 | Johnson David Michael | Director | 17,000 | $9.88 | $167,960 | +13.3% | SEC |
| 2023-06-20 | Matrix Capital Management Company, LP | 10% Owner | 4,760,000 | $22.66 | $107.9M | +51.7% | SEC |
| 2021-08-20 | Epperly Melissa B, | CFO | 9,611 | $52.00 | $499,772 | +3.7% | SEC |
| 2020-12-03 | Johnson David Michael | Director | 4,000 | $18.00 | $72,000 | +3.6% | SEC |
| 2020-11-25 | SUN ANTHONY Y | CEO | 888 | $18.00 | $15,984 | +0.0% | SEC |
| 2020-11-25 | Epperly Melissa B, | CFO | 20,000 | $18.00 | $360,000 | +7.2% | SEC |
| 2020-04-08 | Ott David C. | 10% Owner | 725,000 | $18.00 | $13.1M | +19.5% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-02-10 | Vultaggio Vincent | Officer | 40,224 | $2.42 | $97,540 | Pre-planned (10b5-1) | SEC |
| 2025-12-15 | GOEL DAVID E. | 10% Owner | 7,500,000 | $1.33 | $10.0M | Sale | SEC |
| 2024-05-31 | Gallagher Cam | CEO | 9,597 | $11.98 | $114,972 | Sale | SEC |
| 2024-02-05 | Gallagher Cam | CEO | 11,552 | $11.54 | $133,310 | Sale | SEC |
| 2024-02-05 | Epperly Melissa B, | CFO | 8,669 | $11.54 | $100,040 | Sale | SEC |
| 2023-10-06 | Epperly Melissa B, | CFO | 5,482 | $19.51 | $106,942 | Pre-planned (10b5-1) | SEC |
| 2023-10-06 | Bunker Kevin D. | Officer | 6,068 | $19.51 | $118,373 | Pre-planned (10b5-1) | SEC |
| 2023-10-06 | Brownstein Carrie | Officer | 10,628 | $19.51 | $207,329 | Pre-planned (10b5-1) | SEC |
| 2023-09-13 | Skvarka Jan | Director | 5,000 | $25.05 | $125,250 | Pre-planned (10b5-1) | SEC |
| 2023-05-31 | Gallagher Cam | CEO | 27,768 | $26.27 | $729,555 | Pre-planned (10b5-1) | SEC |
| 2023-05-31 | Bunker Kevin D. | Officer | 80,000 | $30.02 | $2.4M | Pre-planned (10b5-1) | SEC |
| 2023-02-14 | Gallagher Cam | CEO | 11,833 | $20.09 | $237,719 | Sale | SEC |
| 2023-02-14 | Epperly Melissa B, | CFO | 7,851 | $20.13 | $158,018 | Sale | SEC |
| 2023-02-14 | Bunker Kevin D. | Officer | 10,307 | $20.14 | $207,609 | Sale | SEC |
| 2023-02-06 | Gallagher Cam | CEO | 10,000 | $22.27 | $222,669 | Sale | SEC |
Showing the latest 15 of 124 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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