Insider Trading Activity - MPM ASSET MANAGEMENT LLC

Real time insider trading transaction history:

Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
Shares are not adjusted for stock split.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Insider Trading Transactions for MPM ASSET MANAGEMENT LLC

Common stock purchase or sale:

Transaction Date	Reported DateTime	Company	Symbol	Insider Relationship	Shares Traded	Average Price	Total Amount	Shares Owned	Filing
2023-05-22 Sale	2023-05-24 4:39 pm	TCR2 THERAPEUTICS INC.	TCRR	MPM ASSET MANAGEMENT LLC EVNIN LUKE 10% Owner	70,170	$1.88	$131,920	3,674,978 (Indirect Direct)	View
2021-04-13 Sale	2021-04-15 8:01 pm	Harpoon Therapeutics Inc.	HARP	MPM BioVentures 2014 L.P. MPM ASSET MANAGEMENT LLC MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC Foley Todd EVNIN LUKE Former 10% Owner	4,666	$20.16	$94,075	3,220,844 (Indirect)	View
2021-04-09 Sale	2021-04-13 4:12 pm	Harpoon Therapeutics Inc.	HARP	MPM BioVentures 2014 L.P. MPM ASSET MANAGEMENT LLC MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC Foley Todd EVNIN LUKE 10% Owner	12,796	$23.15	$296,261	3,225,510 (Indirect)	View
2021-02-10 Sale	2021-02-12 5:03 pm	Harpoon Therapeutics Inc.	HARP	MPM BioVentures 2014 L.P. MPM ASSET MANAGEMENT LLC MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC Foley Todd GADICKE ANSBERT EVNIN LUKE 10% Owner	183,051	$20	$3,661,020	7,136,728 (Indirect)	View
2021-02-05 Sale	2021-02-09 6:14 pm	Harpoon Therapeutics Inc.	HARP	MPM BioVentures 2014 L.P. MPM ASSET MANAGEMENT LLC MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC Foley Todd GADICKE ANSBERT EVNIN LUKE 10% Owner	91,700	$20.06	$1,839,337	7,319,779 (Indirect)	View
2021-02-02 Sale	2021-02-04 7:30 pm	Harpoon Therapeutics Inc.	HARP	MPM BioVentures 2014 L.P. MPM ASSET MANAGEMENT LLC MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC Foley Todd GADICKE ANSBERT EVNIN LUKE 10% Owner	120,073	$20.22	$2,427,558	7,411,479 (Indirect)	View
2021-01-25 Sale	2021-01-27 8:35 pm	Harpoon Therapeutics Inc.	HARP	MPM BioVentures 2014 L.P. MPM ASSET MANAGEMENT LLC MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC Foley Todd GADICKE ANSBERT EVNIN LUKE 10% Owner	721,194	$20.02	$14,441,349	7,531,552 (Indirect)	View
2021-01-20 Sale	2021-01-22 8:16 pm	Harpoon Therapeutics Inc.	HARP	MPM BioVentures 2014 L.P. MPM ASSET MANAGEMENT LLC MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC Foley Todd GADICKE ANSBERT EVNIN LUKE 10% Owner	68,455	$22.51	$1,540,761	8,354,392 (Indirect)	View
2020-10-06 Purchase	2020-10-08 6:31 pm	Oncorus Inc.	ONCR	MPM BioVentures 2014 L.P. Foley Todd MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC MPM ASSET MANAGEMENT LLC 10% Owner	173,776	$15	$2,606,640	2,849,453 (Indirect)	View

Stock options: Exercise, Award, Grant, Conversion

Transaction Date	Reported DateTime	Exercisable Expiration	Company	Symnbol	Insider Relationship	Shares Traded	Conversion Price	Shares Owned	Filing
2023-06-01 Other	2023-06-05 4:36 pm	N/A N/A	TCR2 THERAPEUTICS INC.	TCRR	MPM BioVentures 2014 L.P. Foley Todd EVNIN LUKE MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC MPM ASSET MANAGEMENT LLC 10% Owner	4,158,964	$0	4,158,964 (Indirect)	View
2023-05-22 Exercise	2023-05-24 4:39 pm	2016-12-13 2026-12-12	TCR2 THERAPEUTICS INC.	TCRR	MPM ASSET MANAGEMENT LLC EVNIN LUKE 10% Owner	178,269	$0	3,674,978 (Direct)	View
2023-05-22 Exercise	2023-05-24 4:39 pm	N/A N/A	TCR2 THERAPEUTICS INC.	TCRR	MPM ASSET MANAGEMENT LLC EVNIN LUKE 10% Owner	178,269	$0.74	3,674,978 (Direct)	View
2021-01-20 Other	2021-01-22 8:16 pm	N/A N/A	Harpoon Therapeutics Inc.	HARP	MPM BioVentures 2014 L.P. MPM ASSET MANAGEMENT LLC MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC Foley Todd GADICKE ANSBERT EVNIN LUKE 10% Owner	101,646	$0	8,354,392 (Indirect)	View
2020-10-06 Conversion	2020-10-08 6:31 pm	N/A N/A	Oncorus Inc.	ONCR	MPM BioVentures 2014 L.P. Foley Todd MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC MPM ASSET MANAGEMENT LLC 10% Owner	2,559,854	$0	2,849,453 (Indirect)	View
Ownership	2020-10-01 7:15 pm	N/A N/A	Oncorus Inc.	ONCR	MPM BioVentures 2014 L.P. Foley Todd MPM BioVentures 2014 (B) L.P. MPM Asset Management Investors BV2014 LLC MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC MPM ASSET MANAGEMENT LLC 10% Owner	0	$0	2,718,332 (Indirect)	View

Insider Trading & Ownership - MPM ASSET MANAGEMENT LLC