LESHINSKI SCOTT enters ONESTREAM, INC. with 142.78K shares plus derivative instruments

Holding both equity and derivatives at entry signals strong long-term conviction in the company.

Direct Derivatives

LESHINSKI SCOTT

Filed: 1/5/2026ACC: 0002098850-26-000002

InsiderLESHINSKI SCOTTCIK 2098850

→

IssuerONESTREAM, INC.CIK 1889956

Officer· President

Since Mar 2026

142.78K

Baseline shares

100% direct

142.78K

Direct ownership

1 position

373.87K

Derivative underlying

5 instruments

Security positions

All direct

Non-Derivative Holdings1

Class A Common Stock

Direct

Shares owned142.78K

Total

142.78K direct142.78K

Security Title	Shares Owned	Ownership Type
Class A Common Stock	142.78K	Direct
Total	142.78K	142.78K direct

Derivative Holdings5

Stock Option (right to buy)

Direct

Underlying security

Class A Common Stock

Underlying shares

50K

Shares owned

N/A

Exercise price

16.40

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Class A Common Stock

Underlying shares

85K

Shares owned

N/A

Exercise price

10.65

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Class A Common Stock

Underlying shares

150K

Shares owned

N/A

Exercise price

14.51

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Class A Common Stock

Underlying shares

20K

Shares owned

N/A

Exercise price

12.71

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Class A Common Stock

Underlying shares

68.87K

Shares owned

N/A

Exercise price

10.65

Expiration

—

Exercise window

—

Total

Underlying

373.87K

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (right to buy) Direct	Class A Common Stock	16.40	—	—	50K	N/A
Stock Option (right to buy) Direct	Class A Common Stock	10.65	—	—	85K	N/A
Stock Option (right to buy) Direct	Class A Common Stock	14.51	—	—	150K	N/A
Stock Option (right to buy) Direct	Class A Common Stock	12.71	—	—	20K	N/A
Stock Option (right to buy) Direct	Class A Common Stock	10.65	—	—	68.87K	N/A
Total					373.87K	0.00