Microcap Ledger

Tickers · $ZNTL

Zentalis Pharmaceuticals, Inc. $ZNTL

By Microcap Ledger desk · CIK 0001725160

Facts as of . Built from SEC filings and our own data. Small caps move fast; check the latest filings.

Snapshot

Exchange
Nasdaq Global Market
Sector
Pharmaceutical Preparations
Headquarters
San Diego, CA
Fiscal year end
December 31
Shares outstanding
71,671,914 [10-Q 2026-08-06]
as of 2026-08-03

Sources: [10-K 2026-03-26]

What the company doesAI summary of filing

Zentalis Pharmaceuticals is a clinical-stage biopharmaceutical company developing azenosertib, an investigational WEE1 inhibitor for ovarian cancer and other solid tumors. The company is focused on advancing azenosertib in Cyclin E1-positive platinum-resistant ovarian cancer, with clinical trial data showing an objective response rate over 30% in this patient population. Zentalis has no approved products or product revenue and is dependent on raising capital to fund its clinical development programs. The company exclusively licenses worldwide development and commercialization rights to azenosertib and relies on third-party contract manufacturers for drug production. [10-K 2026-03-26]

Segments: Azenosertib (WEE1 inhibitor) - monotherapy in Cyclin E1-positive PROC, Azenosertib - combination with bevacizumab in ovarian cancer, Azenosertib - monotherapy in PARP-inhibitor resistant ovarian cancer, Azenosertib - monotherapy in uterine serous carcinoma (completed, no further development planned)

Financial health

From XBRL company facts (USD)
PeriodRevenueNet incomeOperating cash flowCashFiling
6 months to Jun 2026—−$77.64M −$70.19M$24.78M[10-Q 2026-08-06]
FY ended Dec 2025$0.00−$137.06M −$125.25M$35.99M[10-K 2026-03-26]
FY ended Dec 2024$67.42M−$165.87M −$170.86M$33.90M[10-K 2026-03-26]
Quarterly cash burn
−$35.10M
Cash runway Estimate
~2.1 months

Estimate: cash at the end of the period (6 months to Jun 2026) divided by the average monthly operating cash outflow over that period. Ignores any cash raised or spent since, and any financing.

Capital structure and dilution

Summary only. How these instruments work: Dilution & financing desk.

Share count
DateShares outstandingFiling
2024-11-0171,265,400[10-Q 2024-11-12]
2025-03-2171,811,508[10-K 2025-03-26]
2025-05-1271,951,934[10-Q 2025-05-14]
2025-08-0172,135,453[10-Q 2025-08-06]
2025-11-0172,250,779[10-Q 2025-11-10]
2026-03-2070,931,016[10-K 2026-03-26]
2026-05-0871,186,348[10-Q 2026-05-12]
2026-08-0371,671,914[10-Q 2026-08-06]
Shelf registration
S-3 filed 2025-03-26; declared effective 2025-04-04 [S-3 2025-03-26]

Listing status

Current status: No Form 8-K Item 3.01 (listing notice) filings in the last 24 months, as of 2026-10-11.

More on deficiency notices and uplistings: Listing status desk.

Who owns it

Recent Form 4 transactions
DateInsiderTypeSharesPriceFiling
2026-09-30Bruns Ingmargrant9,727$2.18[4 2026-10-01]
2026-08-14Walters Groupbuy4,335,000$3.50[4 2026-08-19]
2026-06-16Johnson David Michaelgrant57,100—[4 2026-06-18]
2026-06-16Skvarka Jangrant57,100—[4 2026-06-18]
2026-06-16Walker Luke Nathanielgrant57,100—[4 2026-06-18]
2026-06-16Kariuki Enochgrant57,100—[4 2026-06-18]
2026-06-16Myers Scott Dunsethgrant57,100—[4 2026-06-18]
2026-05-26Campbell Shannongrant114,200—[4 2026-05-27]

Catalysts and calendar

Facts as of . Small caps move fast; check the latest filings.