Warner Weston Biddle

CIK: 0002034523

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

KYTX

Kyverna Therapeutics, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (3 total)

KYTX
Kyverna Therapeutics, Inc.
Mar 13, 2026
Award(A)
Direct
58K shares-
KYTX
Kyverna Therapeutics, Inc.
Sep 16, 2024
Award(A)
Stock Option (right to buy)
Direct
2.6M shares-
KYTX
Kyverna Therapeutics, Inc.
Apr 11, 2024
Award(A)
Stock Option (right to buy)
Direct
332.5K shares-

		Type	Shares	Price		Ownership
Mar 13, 2026	KYTX Kyverna Therapeutics, Inc.	Award(A)	58,000	-	$0	Direct
Sep 16, 2024	KYTX Kyverna Therapeutics, Inc.	Award(A) Stock Option (right to buy)	2,579,259	-	-	Direct
Apr 11, 2024	KYTX Kyverna Therapeutics, Inc.	Award(A) Stock Option (right to buy)	332,500	-	-	Direct

1-3 of 3 transactions

About Biddle Warner Weston

Biddle Warner Weston (SEC CIK 0002034523) files insider reports with the SEC as Chief Executive Officer of Kyverna Therapeutics, Inc. (KYTX).

Signal8 holds 4 ownership filings by Biddle Warner Weston (1 Form 3, 3 Form 4), filed between Sep 18, 2024 and Mar 17, 2026. Those filings report 3 transactions, from Apr 11, 2024 to Mar 13, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Biddle Warner Weston's filings is in EMERYVILLE, CA.

Recent filings by Biddle Warner Weston

Mar 13, 2026: Grant or award of KYTX shares (Form 4, code A).
Sep 16, 2024: Grant or award of KYTX derivative securities (Form 4, code A).
Apr 11, 2024: Grant or award of KYTX derivative securities (Form 4, code A).

Other insiders filing for Kyverna Therapeutics, Inc. (KYTX)

CLARK IAN T, Director
Cohen Fred E, Director
SEIDENBERG BETH C, Director
Shaw Christi, Executive Chairperson
Aktar Mert, Director
Martini Gregory S., Chief Financial Officer

How to read Form 4 transaction codes