(CALC)

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	Director Stock Option (right to buy)	Award		+2.88K			2.88K	Mar 20, 2023	Common Stock	2.88K	$19.45	Direct	F1, F2
transaction	CALC	Director Stock Option (right to buy)	Award		+744			744	Mar 20, 2023	Common Stock	744	$17.34	Direct	F3, F4, F5

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

Id	Content
F1	Beginning on October 12, 2021, the shares subject to the option vest in a series of thirty-six (36) successive equal monthly installments.
F2	Received in exchange for a stock option to acquire 100,000 shares of common stock of CalciMedica, Inc. ("CalciMedica") pursuant to an Agreement and Plan of Merger and Reorganization (the "Merger Agreement") by and among CalciMedica, the Issuer and Camaro Merger Sub, Inc., a wholly-owned subsidiary of the Issuer ("Merger Sub"). Under the terms of the Merger Agreement, on March 20, 2023, Merger Sub merged with and into CalciMedica (the "Merger"), with CalciMedica surviving the Merger as a wholly-owned subsidiary of the Issuer. Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock. Subsequent to the Merger, the name of the Issuer was changed from Graybug Vision, Inc. to CalciMedica, Inc.
F3	Beginning on November 22, 2022, the shares subject to the option vest in a series of twelve (12) successive equal monthly installments.
F4	Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.
F5	Received in exchange for a stock option to acquire 25,846 shares of common stock of CalciMedica pursuant to the Merger Agreement.