MPM ASSET MANAGEMENT LLC

Holdings History for TCR2 THERAPEUTICS INC - COM (TCRR)

Symbol: TCRR
Investment type: Equity / COM

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
30 Jun 2023		-2.5%	$0	0	-4,050,865	-100%		Q2 2023
31 Mar 2023	2.5%	0%	$6,076,298	4,050,865	0		$1.50	Q1 2023
31 Dec 2022	1.7%	0%	$4,046,814	4,050,865	0		$1.00	Q4 2022
30 Sep 2022	2.8%	0%	$7,292,000	4,050,865	0		$1.80	Q3 2022
30 Jun 2022	5%	0%	$11,748,000	4,050,865	0		$2.90	Q2 2022
31 Mar 2022	3.8%	0%	$11,180,000	4,050,865	0		$2.76	Q1 2022
31 Dec 2021	4.1%	0%	$18,877,000	4,050,865	0		$4.66	Q4 2021
30 Sep 2021	8%	0%	$34,473,000	4,050,865	0		$8.51	Q3 2021
30 Jun 2021	12%	0%	$66,475,000	4,050,865	0		$16.41	Q2 2021
31 Mar 2021	17%	0%	$89,443,000	4,050,865	0		$22.08	Q1 2021
31 Dec 2020	18%	0%	$125,293,000	4,050,865	0		$30.93	Q4 2020
30 Sep 2020	15%	0%	$82,314,000	4,050,865	0		$20.32	Q3 2020
30 Jun 2020	19%	0%	$62,221,000	4,050,865	0		$15.36	Q2 2020
31 Mar 2020	19%	0%	$31,354,000	4,050,865	0		$7.74	Q1 2020
31 Dec 2019	25%	0%	$57,846,000	4,050,865	0		$14.28	Q4 2019
30 Sep 2019	26%	0%	$60,885,000	4,050,865	0		$15.03	Q3 2019
30 Jun 2019	23%	0%	$57,968,000	4,050,865	0		$14.31	Q2 2019
31 Mar 2019	29%	+29%	$70,607,000	4,050,865	+4,050,865	NEW	$17.43	Q1 2019

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.