Zachary Prensky

CIK: 0001167585

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)6 (54.5%)

Compensation grants

Other (G, F, J, C, D, …)5 (45.5%)

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

Companies & Roles (1)

LBRX

LB PHARMACEUTICALS INC

Director

Discretionary Trading P&L

Holdings

Transaction History (11 total)

LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
3.9K shares-
LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Award(A)
Stock Option (Right to Buy)
Direct
3.9K shares-
LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
896 shares-
LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Award(A)
Stock Option (Right to Buy)
Direct
896 shares-
LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
1.3K shares-
LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Award(A)
Stock Option (Right to Buy)
Direct
1.3K shares-
LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
17.9K shares-
LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Award(A)
Stock Option (Right to Buy)
Direct
17.9K shares-
LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
53.8K shares-
LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Award(A)
Stock Option (Right to Buy)
Direct
53.8K shares-
LBRX
LB PHARMACEUTICALS INC
Sep 10, 2025
Award(A)
Stock Option (Right to Buy)
Direct
22.4K shares-

		Type	Shares	Price		Ownership
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Disposition(D) Stock Option (Right to Buy)	3,944	-	-	Direct
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Award(A) Stock Option (Right to Buy)	3,944	-	-	Direct
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Disposition(D) Stock Option (Right to Buy)	896	-	-	Direct
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Award(A) Stock Option (Right to Buy)	896	-	-	Direct
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Disposition(D) Stock Option (Right to Buy)	1,255	-	-	Direct
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Award(A) Stock Option (Right to Buy)	1,255	-	-	Direct
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Disposition(D) Stock Option (Right to Buy)	17,929	-	-	Direct
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Award(A) Stock Option (Right to Buy)	17,929	-	-	Direct
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Disposition(D) Stock Option (Right to Buy)	53,787	-	-	Direct
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Award(A) Stock Option (Right to Buy)	53,787	-	-	Direct
Sep 10, 2025	LBRX LB PHARMACEUTICALS INC	Award(A) Stock Option (Right to Buy)	22,449	-	-	Direct

1-11 of 11 transactions

About PRENSKY ZACHARY

PRENSKY ZACHARY (SEC CIK 0001167585) files insider reports with the SEC as Director of LB PHARMACEUTICALS INC (LBRX).

Signal8 holds 2 ownership filings by PRENSKY ZACHARY (1 Form 3, 1 Form 4), filed between Sep 10, 2025 and Sep 12, 2025. Those filings report 11 transactions, the latest on Sep 10, 2025. Signal8's Form 4 history starts in Sep 2024.

The business address on PRENSKY ZACHARY's filings is in NEW YORK, NY.

Recent filings by PRENSKY ZACHARY

Sep 10, 2025: Disposition to issuer transaction of LBRX derivative securities (Form 4, code D).
Sep 10, 2025: Grant or award of LBRX derivative securities (Form 4, code A).
Sep 10, 2025: Disposition to issuer transaction of LBRX derivative securities (Form 4, code D).
Sep 10, 2025: Grant or award of LBRX derivative securities (Form 4, code A).
Sep 10, 2025: Disposition to issuer transaction of LBRX derivative securities (Form 4, code D).

Other insiders filing for LB PHARMACEUTICALS INC (LBRX)

Miller Joseph M, Chief Financial Officer
Kozauer Susan Gani, Chief Medical Officer
Deep Track Biotechnology Master Fund, Ltd., 10% Owner
RUFFOLO ROBERT R, Director
Nussbaum Ran, Director
Luse Rebecca, Director

How to read Form 4 transaction codes