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Starling Oncology, Inc.

DFPH
Exchange
OTC
Industry
Services-Offices & Clinics of Doctors of Medicine
SEC CIK
0001799191

In the last 90 days, Starling Oncology, Inc. insiders filed 2 open-market purchases and 2 sales; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.

Other share classesSTLNSTLNW

Holders of 5% or more of DFPH

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Starling Oncology, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of DFPH
HolderLatest formStakeChangeFirst filedLatest filingFiling
Chernett Jorey13G/A5.60%5.93M shares−4.60 ppfrom 10.20%Jan 15, 20263 filingsNov 13, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

36 Schedule 13D and 13G filings on Starling Oncology, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on DFPH
Filed (ET)FilerFormStakeChangeEvent dateFiling
Nov 13, 20269:59 PM ETChernett Jorey13G/A5.60%5.93M shares−4.60 ppfrom 10.20%Nov 13, 2026SEC
May 15, 20264:30 PM ETM33 Growth I L.P.and 2 others13D/A4.94%5.00M shares−0.52 ppfrom 5.46%Below 5%May 14, 2026SEC
Mar 16, 20268:30 AM ETChernett Jorey13G/A10.20%10.1M shares+5.00 ppfrom 5.20%Mar 13, 2026SEC
Jan 15, 20264:40 PM ETChernett Jorey13G5.20%5.11M sharesNewJan 14, 2026SEC
Nov 20, 20254:01 PM ETM33 Growth I L.P.and 2 others13D/A5.46%6.80M shares−4.33 ppfrom 9.79%Nov 18, 2025SEC
Sep 5, 20254:05 PM ETM33 Growth I L.P.and 2 others13D/A9.79%9.29M shares−10.20 ppfrom 19.99%Sep 4, 2025SEC
Mar 28, 20258:55 PM ETM33 Growth I L.P.and 2 others13D/A19.99%17.5M shares–Mar 26, 2025SEC
Aug 20, 2024Havencrest Healthcare Partners, L.P.13D/AOld format–––SEC
Jan 2, 2024Havencrest Healthcare Partners, L.P.13D/AOld format–––SEC
Jul 10, 2023FMR LLC13G/AOld format–––SEC
Apr 3, 2023Agajanian Richy13G/AOld format–––SEC
Feb 9, 2023FMR LLC13G/AOld format–––SEC
Jan 10, 2023Agajanian Richy13G/AOld format–––SEC
Nov 7, 2022Havencrest Healthcare Partners, L.P.13D/AOld format–––SEC
Sep 26, 2022M33 Growth I L.P.13D/AOld format–––SEC
Sep 21, 2022Havencrest Healthcare Partners, L.P.13D/AOld format–––SEC
Jul 12, 2022M33 Growth I L.P.13D/AOld format–––SEC
Jul 11, 2022Havencrest Healthcare Partners, L.P.13D/AOld format–––SEC
Feb 14, 2022Integrated Core Strategies (US) LLC13G/AOld format–––SEC
Feb 14, 2022Citadel Advisors LLC13G/AOld format–––SEC
Feb 14, 2022Park West Asset Management LLC13G/AOld format–––SEC
Feb 10, 2022Davidson Kempner Partners13G/AOld format–––SEC
Dec 10, 2021FMR LLC13GOld format–New–SEC
Nov 26, 2021Agajanian Richy13GOld format–New–SEC
Nov 24, 2021FOG Ventures Investments, LLC13GOld format–New–SEC
Nov 22, 2021M33 Growth I L.P.13DOld format–New–SEC
Nov 22, 2021Havencrest Healthcare Partners, L.P.13DOld format–New–SEC
Nov 22, 2021Sarin Ravi Yang13DOld format–New–SEC
Nov 19, 2021Flynn James E13D/AOld format–––SEC
Nov 15, 2021Feis Lawrence13G/AOld format–––SEC
Nov 9, 2021Feis Lawrence13GOld format–New–SEC
Aug 23, 2021Citadel Advisors LLC13GOld format–New–SEC
Jul 1, 2021Flynn James E13D/AOld format–––SEC
Mar 12, 2021Park West Asset Management LLC13GOld format–New–SEC
Feb 11, 2021Davidson Kempner Partners13G/AOld format–––SEC
Feb 1, 2021Integrated Core Strategies (US) LLC13G/AOld format–––SEC

Form 144: proposed insider sales

15 notices from officers, directors and other affiliates planning to sell Starling Oncology, Inc. shares, newest first.

Form 144 notices for DFPH
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Aug 21, 20264:35 PM ETBradford HivelyDirector298.9K$1.95MAug 21, 202610b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Jul 14, 20264:33 PM ETYale PodnosOfficer23.5K$146.6KJul 14, 202610b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Jun 8, 20264:37 PM ETYale PodnosOfficer23.5K$114.2KJun 8, 202610b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Apr 14, 20264:35 PM ETMohit KaushalDirector95.7K$315.9KApr 14, 202610b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Dec 15, 20254:07 PM ETBradford Daniel HivelyDirector13.3K$50.3KDec 15, 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Nov 18, 20254:05 PM ETMark PacalaDirector50.0K$200.0KNov 18, 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Jun 5, 20256:17 PM ETToi M, LLC10% stockholder127.2K$407.1KJun 5, 2025BTIG LLCSEC
Jun 5, 20256:13 PM ETM33 Growth I L.P.10% stockholder1.12M$3.59MJun 5, 2025BTIG, LLCSEC
Jun 3, 20255:08 PM ETBradford Daniel HivelyDirector39.6K$113.7KJun 3, 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Jun 3, 20254:27 PM ETBradford Daniel HivelyDirector1.94M$5.56MJun 3, 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
May 20, 20256:25 PM ETToi M, LLC10% stockholder203.5K$622.8KMay 20, 2025BTIG LLCSEC
May 20, 20256:19 PM ETM33 Growth I L.P.10% stockholder1.80M$5.50MMay 20, 2025BTIG, LLCSEC
Jan 19, 20244:00 PM ETHavencrest Healthcare Partners GP, LLC10% stockholder80.0K$171.2KJan 19, 2024Jefferies LLCSEC
Nov 17, 20235:27 PM ETHively BradDirector25.0K$56.0KNov 17, 2023Morgan Stanley Smith Barney LLC Executive ServicesSEC
Nov 13, 20235:17 PM ETHively BradDirector47.0K$118.6KNov 13, 2023Morgan Stanley Smith Barney LLC Executive ServicesSEC