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Starling Oncology, Inc.

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  • STLN ยท Nasdaq
  • Services-Offices & Clinics of Doctors of Medicine
  • Cerritos, CA
  • 641 employees
  • CIK 0001799191

Updated from SEC filings through

Top things to know

Executives

Starling Oncology, Inc. is a U.S. public company in services-offices & clinics of doctors of medicine (SIC 8011), headquartered in Cerritos, CA. It trades as STLN on Nasdaq. Revenue was $503M in the fiscal year ending December 31, 2025, +27.8% from the year before. It reported about 641 employees. Daniel Virnich is Chief Executive Officer.

Five-year financials

MetricFY2025FY2024FY2023FY2022FY2021
Revenue $503M
10-K, 2026-03-12
$393M
10-K, 2026-03-12
$324M
10-K, 2025-03-26
$252M
10-K, 2024-03-28
$203M
10-K, 2023-03-16
Operating income -$36.1M
10-K, 2026-03-12
-$60.1M
10-K, 2026-03-12
-$77.0M
10-K, 2025-03-26
-$82.0M
10-K, 2024-03-28
-$45.9M
10-K, 2023-03-16
SG&A $106M
10-K, 2026-03-12
$108M
10-K, 2026-03-12
$114M
10-K, 2025-03-26
$120M
10-K, 2024-03-28
$83.4M
10-K, 2023-03-16
Net income -$60.6M
10-K, 2026-03-12
-$64.7M
10-K, 2026-03-12
-$83.1M
10-K, 2025-03-26
$152K
10-K, 2024-03-28
-$10.9M
10-K, 2023-03-16

Annual figures from XBRL in each company's own filings. Click a figure to open the filing. SG&A marked derived is general and administrative plus selling and marketing.

Leadership and board

NameTitleSource
Daniel Virnich Daniel Virnich
Chief Executive Officer at The Oncology Institute (NASDAQ: TOI)
Chief Executive Officer 4, 2026-05-22
Robert Ross Carter
CFO, Starling Oncology
Chief Financial Officer 4, 2026-05-22
Robert Carter Chief Financial Officer 10-K, 2026-03-12
Yale Podnos Yale Podnos Chief Medical Officer 4, 2026-07-16
Jeffrey Langsam Chief Clinical Officer 4, 2026-04-23
Kristin England Chief Administrative Officer 4, 2026-04-23
Anne McGeorge Director 10-K, 2026-03-12
Brad Hively Director 10-K, 2026-03-12
Karen Johnson Director 10-K, 2026-03-12
Kimberly Tzoumakas Director 10-K, 2026-03-12
Mark Pacala Director 10-K, 2026-03-12
Mark Stolper Director 10-K, 2026-03-12
Mohit Kaushal Director 10-K, 2026-03-12

What Starling Oncology, Inc. does

Formed in 2007, the business of what is now The Oncology Institute, Inc. ("TOI", the "Company", "we", or "our) and its affiliated professional corporations was created initially as a collection of community oncology practices in southern California, and has evolved to be a national leader in the pursuit of reducing the ever-rising cost of oncology care, while embracing clinical best practices, state-of-the-art technology, and compassionate treatment of patients.

Item 1. Business, 10-K for the year ending December 31, 2025

Shares and governance

Shares outstanding 102.0 million (as of November 3, 2026) 10-Q, November 6, 2026
Public float $137M (as of June 30, 2025) 10-K, March 12, 2026
Reportable segments 3 (period ending September 30, 2026) 10-Q, November 6, 2026
Latest proxy statement Meeting June 17, 2026 (filed April 30, 2026) DEF 14A, April 30, 2026
Auditor Bdo Usa, P.c. (Costa Mesa, California) Latest 10-K

Insider trades

Open-market buys and sales by officers and directors, from Forms 4 and 5. One row per filing.

DateInsiderTradeSharesValueSource
August 21, 2026 Brad Hively
Director
Sale 298,853 $1.9M Form 4, August 24, 2026
July 14, 2026 Yale Podnos
Chief Medical Officer
Sale 23,452 $150K Form 4, July 16, 2026
June 8, 2026 Yale Podnos
Chief Medical Officer
Sale 23,451 $126K Form 4, June 9, 2026
April 16, 2026 Mohit Kaushal
Director
Sale 95,719 $335K Form 4, April 16, 2026
January 2, 2026 Robert Ross Carter
Chief Financial Officer
Sale 247 $879.32 Form 4, January 5, 2026
December 15, 2025 Brad Hively
Director
Sale 13,333 $50K Form 4, December 16, 2025
November 18, 2025 Mark L. Pacala
Director
Sale 50,000 $200K Form 4, November 20, 2025
September 4, 2025 Growth I. L.P. M33
Director
Sale 6,700,000 $20.7M Form 4, September 5, 2025

Recent 8-K events

  • 8-K filed 2026-11-05
    • Item 2.02 Results of operations and financial condition (earnings release)
  • 8-K filed 2026-09-02
    • Item 5.02 Departure or appointment of directors or officers; compensation
  • 8-K filed 2026-08-21
    • Item 1.01 Entry into a material definitive agreement
    • Item 2.03 Creation of a direct financial obligation
  • 8-K filed 2026-08-06
    • Item 2.02 Results of operations and financial condition (earnings release)
  • 8-K filed 2026-08-03
    • Item 5.03 Amendments to articles or bylaws; change in fiscal year
    • Item 7.01 Regulation FD disclosure
  • 8-K filed 2026-07-07
    • Item 1.01 Entry into a material definitive agreement
    • Item 2.03 Creation of a direct financial obligation
    • Item 3.02 Unregistered sales of equity securities
    • Item 7.01 Regulation FD disclosure
  • 8-K filed 2026-06-18
    • Item 5.07 Submission of matters to a vote of security holders
  • 8-K filed 2026-05-22
    • Item 1.05 Material cybersecurity incident
  • 8-K filed 2026-05-07
    • Item 2.02 Results of operations and financial condition (earnings release)
  • 8-K filed 2026-03-13
    • Item 7.01 Regulation FD disclosure

Frequently asked questions about Starling Oncology, Inc.

What does Starling Oncology, Inc. do?
In its own words, from Item 1 of its 10-K: "Formed in 2007, the business of what is now The Oncology Institute, Inc. ("TOI", the "Company", "we", or "our) and its affiliated professional corporations was created initially as a collection of community oncology practices in southern California, and has evolved to be a national leader in the pursuit of reducing the ever-rising cost of oncology care, while embracing clinical best practices, state-of-the-art technology, and compassionate treatment of patients."
What is Starling Oncology, Inc.'s revenue?
$503M for the fiscal year ending December 31, 2025, from its 10-K filed March 12, 2026.
Is Starling Oncology, Inc. profitable?
Starling Oncology, Inc. reported net income of -$60.6M for the fiscal year ending December 31, 2025.
How many employees does Starling Oncology, Inc. have?
About 641 as of December 31, 2025, as stated in its annual report.
Who is the CEO of Starling Oncology, Inc.?
Daniel Virnich, Chief Executive Officer, as named in a 4 filed May 22, 2026.
Who is the CFO of Starling Oncology, Inc.?
Robert Ross Carter, Chief Financial Officer, as named in a 4 filed May 22, 2026.
Where is Starling Oncology, Inc. headquartered?
Cerritos, CA.
What is Starling Oncology, Inc.'s stock ticker?
STLN, DFPH, STLNW on Nasdaq.
What industry is Starling Oncology, Inc. in?
Services-Offices & Clinics of Doctors of Medicine, SIC code 8011.
What is Starling Oncology, Inc.'s website?
theoncologyinstitute.com.
When does Starling Oncology, Inc. report earnings next?
November 12, 2026. Source: ir_event.
Is Starling Oncology, Inc. a public company?
Yes. Starling Oncology, Inc. files with the SEC under CIK 0001799191 and trades as STLN.
Who audits Starling Oncology, Inc.?
Bdo Usa, P.c., Costa Mesa, California, as named in its latest annual report (10-K).
How many shares of Starling Oncology, Inc. are outstanding?
102.0 million shares as of November 3, 2026, from its 10-Q filed November 6, 2026.
What is Starling Oncology, Inc.'s public float?
$137M as of June 30, 2025, as reported on the cover of its 10-K filed March 12, 2026.
How many business segments does Starling Oncology, Inc. report?
3 reportable segments for the period ending September 30, 2026, from its 10-Q filed November 6, 2026.
When is Starling Oncology, Inc.'s annual shareholder meeting?
June 17, 2026, per its proxy statement (DEF 14A) filed April 30, 2026.
Have Starling Oncology, Inc. insiders traded stock recently?
Since August 19, 2025, officers and directors reported 11 open-market sales worth about $65.0M and 0 purchases on Forms 4 and 5. The most recent: Brad Hively (Director) sold 298,853 shares on August 21, 2026.