Hassan Kotob - 01 Oct 2021 Form 4 Insider Report for BRAIN SCIENTIFIC INC.

Role: Chief Executive Officer, Director, 10%+ Owner
Signature: /s/ Hassan Kotob
Issuer symbol: BRSF on OTC
Transactions as of: 01 Oct 2021
Net transactions value: $0
Form type: 4
Filing time: 27 Oct 2021, 16:03:00 UTC
Next filing: 18 Feb 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BRSF	Common Stock	Award		+7,407,934			7,407,934	01 Oct 2021	By Hassan Kotob Revocable Trust	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BRSF	Stock Option (right to buy)	Award		+2,502,341			2,502,341	01 Oct 2021	Common Stock	2,502,341	$0.3500	Direct	F2
transaction	BRSF	Stock Option (right to buy)	Award	$0	+1,218,248		$0.000000	1,218,248	21 Oct 2021	Common Stock	1,218,248	$0.3900	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	In connection with the closing of the transactions contemplated by the Agreement and Plan of Merger and Reorganization, dated as of June 11, 2021, by and among the Issuer, Piezo Motion Corp., a Delaware corporation ("Piezo"), and BRSF Acquisition Inc., a Delaware corporation and a wholly-owned subsidiary of the Issuer ("Merger Sub"), pursuant to which Merger Sub merged with and into Piezo (the "Merger"), with Piezo surviving as a wholly-owned subsidiary of the Issuer, these shares of common stock were received in exchange for 2,524,044 shares of common stock of Piezo.
F2	Received in connection with the Merger as part of the Merger consideration.
F3	The shares underlying this option vest as to 25% on 4/21/2022, with the remainder vesting in 18 equal monthly installments thereafter, beginning on 5/21/2022 and ending on 10/21/2023.