Aparna Ahuja - 05 Jan 2022 Form 4 Insider Report for T2 Biosystems, Inc. (TTOO)

Role: Chief Medical Officer
Signature: /s/ John Sprague, Attorney-in-fact
Issuer symbol: TTOO
Transactions as of: 05 Jan 2022
Net transactions value: $0
Form type: 4
Filing time: 06 Jan 2022, 12:01:58 UTC
Next filing: 10 Jan 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TTOO	Common Stock	Options Exercise		+153,664	+964%		169,599	05 Jan 2022	Direct	F1, F2

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	TTOO	Restricted Stock Units	Options Exercise	$0	-153,664	-33%	$0.000000	307,328	05 Jan 2022	Common Stock	153,664		Direct	F1, F3

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
F2	Includes 15,935 shares acquired under the Issuer's employee stock purchase plan ("ESPP") on November 15, 2021.
F3	On January 5, 2021 the reporting person was granted 460,992 RSU's that vest in three equal annual installments beginning on January 5, 2021.