Shanshan Xu

CIK: 0002160743

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)2 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (50.0%)

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

Companies & Roles (1)

BBTX

Bambusa Therapeutics, Inc.

DirectorOfficer10% Owner

Discretionary Trading P&L

Holdings

Transaction History (4 total)

BBTX
Bambusa Therapeutics, Inc.
Nov 2, 2026
Conversion(C)
Indirect
16.4K shares-
BBTX
Bambusa Therapeutics, Inc.
Nov 2, 2026
Conversion(C)
Indirect
147.2K shares-
BBTX
Bambusa Therapeutics, Inc.
Oct 29, 2026
Award(A)
Stock Option (right to buy)
Direct
379.1K shares-
BBTX
Bambusa Therapeutics, Inc.
Oct 29, 2026
Award(A)
Restricted Stock Units
Direct
758.2K shares-

		Type	Shares	Price		Ownership
Nov 2, 2026	BBTX Bambusa Therapeutics, Inc.	Conversion(C)	16,358	-	$0	Indirect
Nov 2, 2026	BBTX Bambusa Therapeutics, Inc.	Conversion(C)	147,238	-	$0	Indirect
Oct 29, 2026	BBTX Bambusa Therapeutics, Inc.	Award(A) Stock Option (right to buy)	379,102	-	-	Direct
Oct 29, 2026	BBTX Bambusa Therapeutics, Inc.	Award(A) Restricted Stock Units	758,204	-	-	Direct

1-4 of 4 transactions

About Xu Shanshan

Xu Shanshan (SEC CIK 0002160743) files insider reports with the SEC as Director of Bambusa Therapeutics, Inc. (BBTX).

Signal8 holds 3 ownership filings by Xu Shanshan (1 Form 3, 2 Form 4), filed between Oct 29, 2026 and Nov 2, 2026. Those filings report 4 transactions, from Oct 29, 2026 to Nov 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Xu Shanshan's filings is in BOSTON, MA.

Recent filings by Xu Shanshan

Nov 2, 2026: Conversions of BBTX shares (2 lines, Form 4, code C).
Oct 29, 2026: Grants or awards of BBTX derivative securities (2 lines, Form 4, code A).

Other insiders filing for Bambusa Therapeutics, Inc. (BBTX)

How to read Form 4 transaction codes