William John Bush - Apr 28, 2021 Form 3 Insider Report for STEM, INC. (STEM)

Role: Chief Financial Officer
Signature: William Bush
Stock symbol: STEM
Transactions as of: Apr 28, 2021
Transactions value $: $0
Form type: 3
Date filed: 5/28/2021, 03:50 PM
Next filing: Jun 2, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	STEM	Common Stock						257K	Apr 28, 2021	Direct

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
holding	STEM	Stock Option							Apr 28, 2021	Common Stock	256K	$1.67	Direct
holding	STEM	Stock Option							Apr 28, 2021	Common Stock	269K	$2.41	Direct	F1
holding	STEM	Stock Option							Apr 28, 2021	Common Stock	99.6K	$6.81	Direct
holding	STEM	Stock Option							Apr 28, 2021	Common Stock	342K	$6.81	Direct	F2

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

Explanation of Responses:

Id	Content
F1	25% of the shares underlying the option vest on the first anniversary date, and the remaining shares underlying the option vest in 36 equal monthly installments thereafter, subject to the Reporting Person's continuous employment with the Issuer on each such date.
F2	25% of the shares underlying the option vest ratably over a four-year period, subject to the Reporting Person's continuous employment with the Issuer on each such date.