Mpm Asset Management LLC is > 10% Shareholder of TCR2 THERAPEUTICS INC.. Currently has a direct ownership of 304,001 shares of TCRR, which is worth approximately $0. The most recent transaction as insider was on May 22, 2023, when has been sold 70,170 shares (Common Stock) at a price of $1.88 per share, resulting in proceeds of $131,919. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 304K
0% 3M change
0% 12M change
Total Value Held $0

MPM ASSET MANAGEMENT LLC Transaction History

Date Transaction Value Shares Traded Shares Held Form
May 22 2023
SELL
Open market or private sale
$131,919 $1.88 p/Share
70,170 Reduced 18.75%
304,001 Common Stock
May 22 2023
BUY
Exercise of in-the-money or at-the-money derivatives securities
$131,919 $0.74 p/Share
178,269 Added 32.27%
374,171 Common Stock
MAM

Mpm Asset Management LLC

> 10% Shareholder
Cambridge, MA

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