Donald F. Tang

CIK: 0001817370

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)3 (42.9%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (57.1%)

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)

RBOT

Vicarious Surgical Inc.

Director

SNTI

Senti Biosciences, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (7 total)

RBOT
Vicarious Surgical Inc.
Aug 26, 2025
Sale(S)
Direct
2.8K shares at avg. $6.70$18K
RBOT
Vicarious Surgical Inc.
Aug 20, 2025
Sale(S)
Direct
2.1K shares at avg. $6.04$12K
RBOT
Vicarious Surgical Inc.
Aug 19, 2025
Sale(S)
Direct
100 shares at avg. $6.68$668
RBOT
Vicarious Surgical Inc.
Jun 27, 2025
Award(A)
Stock Option (right to buy)
Direct
5.3K shares-
SNTI
Senti Biosciences, Inc.
Jun 25, 2025
Award(A)
Stock Option (Right to Buy)
Direct
22K shares-
SNTI
Senti Biosciences, Inc.
Mar 7, 2025
Award(A)
Stock Option (Right to Buy)
Direct
43.9K shares-
SNTI
Senti Biosciences, Inc.
Dec 9, 2024
Award(A)
Stock Option (Right to Buy)
Direct
12.5K shares-

		Type	Shares	Price		Ownership
Aug 26, 2025	RBOT Vicarious Surgical Inc.	Sale(S)	2,753	$6.70	$18,435	Direct
Aug 20, 2025	RBOT Vicarious Surgical Inc.	Sale(S)	2,059	$6.04	$12,436	Direct
Aug 19, 2025	RBOT Vicarious Surgical Inc.	Sale(S)	100	$6.68	$668	Direct
Jun 27, 2025	RBOT Vicarious Surgical Inc.	Award(A) Stock Option (right to buy)	5,335	-	-	Direct
Jun 25, 2025	SNTI Senti Biosciences, Inc.	Award(A) Stock Option (Right to Buy)	21,950	-	-	Direct
Mar 7, 2025	SNTI Senti Biosciences, Inc.	Award(A) Stock Option (Right to Buy)	43,900	-	-	Direct
Dec 9, 2024	SNTI Senti Biosciences, Inc.	Award(A) Stock Option (Right to Buy)	12,500	-	-	Direct

1-7 of 7 transactions

About Tang Donald F

Tang Donald F (SEC CIK 0001817370) files insider reports with the SEC as Director of Vicarious Surgical Inc. (RBOT) and Director of Senti Biosciences, Inc. (SNTI).

Signal8 holds 7 ownership filings by Tang Donald F (1 Form 3, 6 Form 4), filed between Dec 10, 2024 and Aug 27, 2025. Those filings report 7 transactions, from Dec 9, 2024 to Aug 26, 2025. Signal8's Form 4 history starts in Sep 2024.

The business address on Tang Donald F's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Tang Donald F

Aug 26, 2025: Open-market sale of RBOT shares (Form 4, code S).
Aug 20, 2025: Open-market sale of RBOT shares (Form 4, code S).
Aug 19, 2025: Open-market sale of RBOT shares (Form 4, code S).
Jun 27, 2025: Grant or award of RBOT derivative securities (Form 4, code A).
Jun 25, 2025: Grant or award of SNTI derivative securities (Form 4, code A).

Other insiders filing for Vicarious Surgical Inc. (RBOT)

Sachs Adam David, President
Khalifa Sammy, Chief Technology Officer
Doherty Joseph Edward, Director
Ahmad Fuad, Director
Clark Randolph A., Director
HUSS BEVERLY A, Director

How to read Form 4 transaction codes