WaveMan · Form 4
Insider buying on Oct 10, 2025
> Search tickers & screens ⌘K
LIVE

Insider buying on Oct 10, 2025

On Oct 10, 2025, 7 insiders at 7 companies filed 14 purchases reported on Form 4, worth $15.8M in all, with a median purchase of $5.9K. The largest was Lynx1 Capital Management LP, 10% owner of Cullinan Therapeutics, Inc. (CGEM), who reported buying 626,043 shares worth $4.2M. Officers accounted for 6 purchases, directors who are not officers for 0, and 10% owners with no board or officer role for 7. Chief executives and chief financial officers filed 1 purchase: Draguleasa Mihai, Chief Financial Officer of Rise Gold Corp. (RYES). 1 company showed cluster buying, two or more insiders buying within 7 days: NMZ (2 insiders). For 1 insider of 7, this was the first purchase of that company's stock on our record. That is fewer than the 45 purchases filed on Oct 9, 2025. A Form 4 is due within two business days of the trade, so most of these purchases were made earlier in the week. Code P also covers shares bought privately from the company, so one large figure can be a negotiated placement rather than buying on the exchange.

Insider purchases filed Oct 10, 2025

Form 4, transaction code P, non-derivative, largest first
CompanyValueInsiderRoleSharesFiled
CGEM Cullinan Therapeutics, Inc.$4.2MLynx1 Capital Management LP10% owner626,0432025-10-10
CGEM Cullinan Therapeutics, Inc.$3.6MLynx1 Capital Management LP10% owner556,3002025-10-10
ACET Adicet Bio, Inc.$3.5MOrbimed Advisors Llc10% owner3,500,0002025-10-10
CGEM Cullinan Therapeutics, Inc.$2.0MLynx1 Capital Management LP10% owner277,2982025-10-10
ACET Adicet Bio, Inc.$1.5MOrbimed Advisors Llc10% owner1,500,0002025-10-10
CIK 1984165$934.7KZook ChristopherInsider37,8252025-10-10
RYES Rise Gold Corp.$9.8KDraguleasa MihaiChief Financial Officer121,9522025-10-10
NMZ Nuveen Municipal High Income Opportunity Fund$2.0KMerrill Lynch, Pierce, Fenner & Smith Inc.10% owner1902025-10-10
RCG RENN Fund, Inc.$943Stahl MurrayPresident/Co-Portfolio Manager, 10% owner3602025-10-10
TPL Texas Pacific Land Corp$936Horizon Kinetics Asset Management Llc10% owner12025-10-10
RCG RENN Fund, Inc.$776Stahl MurrayPresident/Co-Portfolio Manager, 10% owner2962025-10-10
RCG RENN Fund, Inc.$472Stahl MurrayPresident/Co-Portfolio Manager, 10% owner1802025-10-10
RCG RENN Fund, Inc.$215Stahl MurrayPresident/Co-Portfolio Manager, 10% owner822025-10-10
RCG RENN Fund, Inc.$47Stahl MurrayPresident/Co-Portfolio Manager, 10% owner182025-10-10
SEC EDGAR · FORM 4 · FILED 2025-10-10 · INFORMATIONAL ONLY

Cluster buys

Two or more insiders at one company within 7 days
NMZ Nuveen Municipal High Income Opportunity Fund
2 insiders within 7 days · $2.0K filed this day
2

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
Privacy · Terms