Robert S. Breuil - 24 Nov 2022 Form 4 Insider Report for GRAYBUG VISION, INC. (CALC)

Role: Chief Financial Officer
Signature: /s/ Frederic Guerard, as Attorney-in-Fact for Robert S. Breuil
Issuer symbol: CALC
Transactions as of: 24 Nov 2022
Net transactions value: -$6,516
Form type: 4
Filing time: 29 Nov 2022, 15:38:35 UTC
Previous filing: 26 Sep 2022
Next filing: 01 Dec 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CALC	Common Stock	Options Exercise		+28,125	+48%		87,020	24 Nov 2022	Direct	F1
transaction	CALC	Common Stock	Tax liability	$6,516	-9,726	-11%	$0.6700	77,294	24 Nov 2022	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
transaction	CALC	Restricted Stock Units	Options Exercise	$0	-28,125	-6.2%	$0.000000	421,875	24 Nov 2022	Common Stock	28,125		Direct	F1, F2, F3

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

Explanation of Responses:

Id	Content
F1	Each RSU represents a contingent right to receive one share of the Issuer's common stock.
F2	The RSUs shall vested as to 6.25% of the total shares on November 16, 2022, and 6.25% of the remaining shares shall vest quarterly thereafter such that the RSUs shall be fully vested on August 16, 2026, subject to the continued service of the Reporting Person to the Issuer through each vesting date.
F3	The RSUs do not expire; they either vest or are canceled prior to vest date.