David Raben

CIK: 0002034679

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)8 (42.1%)

Position reduction

Option Exercises (M)9 (47.4%)

Derivative conversions

Awards (A)2 (10.5%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (2)

PLRX

PLIANT THERAPEUTICS, INC.

Officer

BCAX

Bicara Therapeutics Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (19 total)

PLRX
PLIANT THERAPEUTICS, INC.
Oct 1, 2026
Award(A)
Stock Option (Right to Buy)
Direct
575K shares-
BCAX
Bicara Therapeutics Inc.
Apr 27, 2026
Sale(S)
Direct
5.5K shares at avg. $22.88$126K
BCAX
Bicara Therapeutics Inc.
Apr 27, 2026
Exercise(M)
Direct
5.5K shares at avg. $3.79$21K
BCAX
Bicara Therapeutics Inc.
Mar 25, 2026
Sale(S)
Direct
5.5K shares at avg. $18.95$104K
BCAX
Bicara Therapeutics Inc.
Mar 25, 2026
Exercise(M)
Direct
5.5K shares at avg. $3.79$21K
BCAX
Bicara Therapeutics Inc.
Mar 4, 2026
Exercise(M)
Direct
16.3K shares at avg. $3.79$62K
BCAX
Bicara Therapeutics Inc.
Mar 4, 2026
Sale(S)
Direct
16.3K shares at avg. $18.52$302K
BCAX
Bicara Therapeutics Inc.
Mar 3, 2026
Exercise(M)
Direct
200 shares at avg. $3.79$757.96
BCAX
Bicara Therapeutics Inc.
Mar 3, 2026
Sale(S)
Direct
200 shares at avg. $18.45$4K
BCAX
Bicara Therapeutics Inc.
Feb 2, 2026
Award(A)
Stock Option (Right to Buy)
Direct
100K shares-
BCAX
Bicara Therapeutics Inc.
Dec 26, 2025
Exercise(M)
Direct
19.8K shares at avg. $3.79$75K
BCAX
Bicara Therapeutics Inc.
Nov 25, 2025
Exercise(M)
Direct
906 shares at avg. $3.79$3K
BCAX
Bicara Therapeutics Inc.
Nov 25, 2025
Sale(S)
Direct
4.6K shares at avg. $18.84$87K
BCAX
Bicara Therapeutics Inc.
Nov 25, 2025
Sale(S)
Direct
906 shares at avg. $18.84$17K
BCAX
Bicara Therapeutics Inc.
Nov 25, 2025
Exercise(M)
Direct
4.6K shares at avg. $3.79$17K
BCAX
Bicara Therapeutics Inc.
Nov 24, 2025
Sale(S)
Direct
5.5K shares at avg. $18.45$101K
BCAX
Bicara Therapeutics Inc.
Nov 24, 2025
Exercise(M)
Direct
5.5K shares at avg. $3.79$21K
BCAX
Bicara Therapeutics Inc.
Oct 9, 2025
Sale(S)
Direct
22K shares at avg. $18.45$406K
BCAX
Bicara Therapeutics Inc.
Oct 9, 2025
Exercise(M)
Direct
22K shares at avg. $3.79$83K

		Type	Shares	Price		Ownership
Oct 1, 2026	PLRX PLIANT THERAPEUTICS, INC.	Award(A) Stock Option (Right to Buy)	575,000	-	-	Direct
Apr 27, 2026	BCAX Bicara Therapeutics Inc.	Sale(S)	5,500	$22.88	$125,830	Direct
Apr 27, 2026	BCAX Bicara Therapeutics Inc.	Exercise(M)	5,500	$3.79	$20,844	Direct
Mar 25, 2026	BCAX Bicara Therapeutics Inc.	Sale(S)	5,500	$18.95	$104,229	Direct
Mar 25, 2026	BCAX Bicara Therapeutics Inc.	Exercise(M)	5,500	$3.79	$20,844	Direct
Mar 4, 2026	BCAX Bicara Therapeutics Inc.	Exercise(M)	16,300	$3.79	$61,774	Direct
Mar 4, 2026	BCAX Bicara Therapeutics Inc.	Sale(S)	16,300	$18.52	$301,920	Direct
Mar 3, 2026	BCAX Bicara Therapeutics Inc.	Exercise(M)	200	$3.79	$758	Direct
Mar 3, 2026	BCAX Bicara Therapeutics Inc.	Sale(S)	200	$18.45	$3,690	Direct
Feb 2, 2026	BCAX Bicara Therapeutics Inc.	Award(A) Stock Option (Right to Buy)	100,000	-	-	Direct
Dec 26, 2025	BCAX Bicara Therapeutics Inc.	Exercise(M)	19,789	$3.79	$74,996	Direct
Nov 25, 2025	BCAX Bicara Therapeutics Inc.	Exercise(M)	906	$3.79	$3,434	Direct
Nov 25, 2025	BCAX Bicara Therapeutics Inc.	Sale(S)	4,594	$18.84	$86,562	Direct
Nov 25, 2025	BCAX Bicara Therapeutics Inc.	Sale(S)	906	$18.84	$17,071	Direct
Nov 25, 2025	BCAX Bicara Therapeutics Inc.	Exercise(M)	4,594	$3.79	$17,410	Direct
Nov 24, 2025	BCAX Bicara Therapeutics Inc.	Sale(S)	5,500	$18.45	$101,475	Direct
Nov 24, 2025	BCAX Bicara Therapeutics Inc.	Exercise(M)	5,500	$3.79	$20,844	Direct
Oct 9, 2025	BCAX Bicara Therapeutics Inc.	Sale(S)	22,000	$18.45	$405,900	Direct
Oct 9, 2025	BCAX Bicara Therapeutics Inc.	Exercise(M)	22,000	$3.79	$83,376	Direct

1-19 of 19 transactions

About Raben David

Raben David (SEC CIK 0002034679) files insider reports with the SEC as Chief Medical Officer of PLIANT THERAPEUTICS, INC. (PLRX) and Chief Medical Officer of Bicara Therapeutics Inc. (BCAX).

Signal8 holds 10 ownership filings by Raben David (2 Form 3, 8 Form 4), filed between Sep 12, 2024 and Oct 2, 2026. Those filings report 19 transactions, from Oct 9, 2025 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Raben David's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Raben David

Oct 1, 2026: Grant or award of PLRX derivative securities (Form 4, code A).
Apr 27, 2026: Open-market sale of BCAX shares (Form 4, code S).
Apr 27, 2026: Option exercise of BCAX shares (Form 4, code M).
Mar 25, 2026: Open-market sale of BCAX shares (Form 4, code S).
Mar 25, 2026: Option exercise of BCAX shares (Form 4, code M).

Other insiders filing for PLIANT THERAPEUTICS, INC. (PLRX)

Iannone Robert, Director
Borellini Flavia, Director
CROWELL GAYLE A, Director
MCCOURT Thomas A, Director
Krognes Steve E., Director
Curnutte John T, Director

How to read Form 4 transaction codes