KOEFOED WILLIAM A

PrivateCIK: 1642337
Location

LITTLE ROCK, AR

KOEFOED WILLIAM A (Chief Financial Officer) sold 9.5% of their position (25K shares) of ONESTREAM, INC. on the open market

Open‑market sale worth $625.0K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderKOEFOED WILLIAM ACIK 1642337
IssuerONESTREAM, INC.CIK 1889956
Officer· Chief Financial Officer
Since Jul 2024
-25K
Net shares
Net seller
$625.0K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
25K acquired · 50K disposed
Non-Derivative Transactions2

Class A Common Stock

Direct
M · Option Exercise

Shares

+25K

Price / share

$10.65

Trade value

$266.25K

% of position

10.5%
7/25/2025
237.84K262.84K

Class A Common Stock

Direct
S · Sale

Shares

25K

Price / share

$25.00

Trade value

$625K

% of position

9.5%
7/25/2025
262.84K237.84K
Total

Net shares

+0.00

Net value

-$358.75K

Derivative Transactions1

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Class A Common Stock

25K shares

Shares

25K

Strike price

10.65

Held after

170.48K

Exercisable

7/25/2025
KOEFOED WILLIAM A — Insider Transaction (Form 4) Filed Jul 28, 2025 | Finecho