ZNTL insider transaction filings
Zentalis Pharmaceuticals, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-19. Screen ZNTL transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 1 Form 4 filing. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing by 3 insiders — 4,335,000 shares, $15,172,500 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 0.
- Largest priced transaction: purchase of 4,335,000 shares @ $3.50 ($15,172,500) by WALTERS GROUP, filed 2026-08-19.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| WALTERS GROUP — 10% owner & WALTERS WILLIAM THURMAN — 10% owner & WALTERS SUSAN BERKLEY — 10% owner | 1 | 1 leg · 4,335,000 sh · $15,172,500 | — | — |
Recent Form 4 filings — Zentalis Pharmaceuticals, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-19 | 4 | WALTERS GROUP — 10% owner WALTERS WILLIAM THURMAN — 10% owner WALTERS SUSAN BERKLEY — 10% owner | Purchase (P): 4,335,000 @ $3.50 | EDGAR |
| 2026-06-18 | 4 | Kariuki Enoch — Director | Grant/award (A): 57,100 @ $0 | EDGAR |
| 2026-06-18 | 4 | Skvarka Jan — Director | Grant/award (A): 57,100 @ $0 | EDGAR |
| 2026-06-18 | 4 | Johnson David Michael — Director | Grant/award (A): 57,100 @ $0 | EDGAR |
| 2026-06-18 | 4 | Walker Luke Nathaniel — Director | Grant/award (A): 57,100 @ $0 | EDGAR |
| 2026-06-18 | 4 | Myers Scott Dunseth — Director | Grant/award (A): 57,100 @ $0 | EDGAR |
| 2026-05-27 | 4 | Campbell Shannon — Director | Grant/award (A): 114,200 @ $0 | EDGAR |
| 2026-02-10 | 4 | Vultaggio Vincent — PAO and PFO | Sale (S): 29,951 @ $2.43 · Sale (S): 3,379 @ $2.39 · Sale (S): 6,894 @ $2.42 | EDGAR |
| 2026-02-10 | 4 | Bruns Ingmar — Chief Medical Officer | Sale (S): 2,962 @ $2.43 · Sale (S): 335 @ $2.39 | EDGAR |
| 2026-02-10 | 4 | EASTLAND JULIA MARIE — CEO & President, Director | Sale (S): 7,866 @ $2.43 · Sale (S): 889 @ $2.39 | EDGAR |
| 2026-02-04 | 4 | Vultaggio Vincent — PAO and PFO | Sale (S): 2,540 @ $2.55 · Sale (S): 556 @ $2.52 | EDGAR |
| 2026-01-09 | 4 | Vultaggio Vincent — PAO and PFO | Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2026-01-09 | 4 | Bruns Ingmar — Chief Medical Officer | Grant/award (A): 365,000 (derivative) @ $0 | EDGAR |
| 2026-01-09 | 4 | Bucher James B — Chief Legal Officer | Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2026-01-09 | 4 | EASTLAND JULIA MARIE — CEO & President, Director | Grant/award (A): 775,000 (derivative) @ $0 | EDGAR |
| 2026-01-08 | 4 | WALTERS GROUP — 10% owner WALTERS WILLIAM THURMAN — 10% owner WALTERS SUSAN BERKLEY — 10% owner | Purchase (P): 6,459,973 @ $1.20 | EDGAR |
| 2025-12-15 | 4 | Matrix Capital Management Company, LP — 10% owner GOEL DAVID E. — 10% owner | Sale (S): 7,500,000 @ $1.33 | EDGAR |
| 2025-10-01 | 4 | Bucher James B — Chief Legal Officer | Grant/award (A): 400,000 (derivative) @ $0 | EDGAR |
| 2025-06-18 | 4 | Skvarka Jan — Director | Grant/award (A): 57,603 @ $0 | EDGAR |
| 2025-06-18 | 4 | Johnson David Michael — Director | Grant/award (A): 57,603 @ $0 | EDGAR |
| 2025-06-18 | 4 | Kariuki Enoch — Director | Grant/award (A): 57,603 @ $0 | EDGAR |
| 2025-06-18 | 4 | Walker Luke Nathaniel — Director | Grant/award (A): 57,603 @ $0 | EDGAR |
| 2025-06-18 | 4 | Myers Scott Dunseth — Director | Grant/award (A): 57,603 @ $0 | EDGAR |
| 2025-04-30 | 4 | Myers Scott Dunseth — Director | Purchase (P): 21,000 @ $1.40 | EDGAR |
| 2025-02-12 | 4 | Bruns Ingmar — Chief Medical Officer | Purchase (P): 20,000 @ $2.28 | EDGAR |
| 2025-02-05 | 4 | Vultaggio Vincent — PAO and Interim PFO | Grant/award (A): 158,586 @ $0 · Sale (S): 2,615 @ $1.71 · Grant/award (A): 35,633 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | Lackner Mark — Chief Scientific Officer | Grant/award (A): 335,907 @ $0 · Sale (S): 14,368 @ $1.71 · Grant/award (A): 124,714 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | Paul Andrea — Chief Legal Officer | Grant/award (A): 934,041 @ $0 · Sale (S): 13,230 @ $1.71 · Grant/award (A): 124,714 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | Bruns Ingmar — Chief Medical Officer | Grant/award (A): 16,629 @ $0 · Grant/award (A): 16,629 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | EASTLAND JULIA MARIE — CEO & President, Director | Grant/award (A): 59,388 @ $0 · Grant/award (A): 59,388 (derivative) @ $0 | EDGAR |
| 2025-02-04 | 4 | Skvarka Jan — Director | Purchase (P): 60,000 @ $1.72 | EDGAR |
| 2025-02-04 | 4 | Walker Luke Nathaniel — Director | Purchase (P): 14,200 @ $1.76 | EDGAR |
| 2025-02-04 | 4 | EASTLAND JULIA MARIE — CEO & President, Director | Purchase (P): 28,500 @ $1.73 | EDGAR |
| 2025-01-03 | 4 | Lackner Mark — Chief Scientific Officer | Sale (S): 4,411 @ $3.12 | EDGAR |
| 2024-12-03 | 4 | Bruns Ingmar — Chief Medical Officer | Grant/award (A): 712,650 (derivative) @ $0 | EDGAR |
| 2024-12-03 | 4 | EASTLAND JULIA MARIE — CEO & President, Director | Grant/award (A): 3,028,800 (derivative) @ $0 | EDGAR |
| 2024-11-13 | 4 | Myers Scott Dunseth — Director | Grant/award (A): 260,192 @ $0 | EDGAR |
| 2024-10-04 | 4 | Vultaggio Vincent — Principal Accounting Officer | Sale (S): 1,603 @ $3.18 | EDGAR |
| 2024-06-21 | 4 | Skvarka Jan — Director | Grant/award (A): 41,581 @ $0 | EDGAR |
| 2024-06-21 | 4 | Kariuki Enoch — Director | Grant/award (A): 41,581 @ $0 | EDGAR |
| 2024-06-21 | 4 | Johnson David Michael — Director | Grant/award (A): 48,429 @ $0 | EDGAR |
| 2024-05-31 | 4 | Gallagher Cam — President, Interim CFO, Director | Sale (S): 9,597 @ $11.98 | EDGAR |
| 2024-05-29 | 4 | Walker Luke Nathaniel — Director | Grant/award (A): 72,481 @ $0 | EDGAR |
| 2024-05-09 | 4 | HAUSMAN DIANA — Chief Medical Officer | Sale (S): 3,356 @ $12.62 | EDGAR |
| 2024-02-12 | 4 | Epperly Melissa B, — Chief Financial Officer | Sale (S): 2,573 @ $11.44 | EDGAR |
| 2024-02-12 | 4 | Gallagher Cam — President, Director | Sale (S): 1,173 @ $11.44 | EDGAR |
| 2024-02-05 | 4 | Epperly Melissa B, — Chief Financial Officer | Grant/award (A): 75,000 @ $0 · Sale (S): 8,669 @ $11.54 · Grant/award (A): 75,000 (derivative) @ $0 | EDGAR |
| 2024-02-05 | 4 | Blackwell Kimberly — Chief Executive Officer, Director | Grant/award (A): 250,000 @ $0 · Tax withholding (F): 20,655 @ $11.69 · Grant/award (A): 250,000 (derivative) @ $0 | EDGAR |
| 2024-02-05 | 4 | HAUSMAN DIANA — Chief Medical Officer | Grant/award (A): 337,500 @ $0 · Grant/award (A): 337,500 (derivative) @ $0 | EDGAR |
| 2024-02-05 | 4 | Gallagher Cam — President, Director | Grant/award (A): 192,500 @ $0 · Sale (S): 11,552 @ $11.54 · Grant/award (A): 192,500 (derivative) @ $0 | EDGAR |
Recent 8-K events — Zentalis Pharmaceuticals, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-14 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-06 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-06-18 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-27 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-05-21 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events | EDGAR |
| 2026-05-12 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-05-05 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events | EDGAR |
| 2026-04-17 | 8-K | 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-04-09 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events | EDGAR |
| 2026-03-26 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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