Brown Christopher D.

Director | Chief Product Officer | Chief Technology Officer

1 company

Excellent

Trades Analyzed

12M Win Rate

95.7%

Avg 3M Return

+19.2%

Avg 12M Return

+48.1%

Brown Christopher D. is a Director at 908 Devices Inc.. Recent SEC Form 4 filings include 0 buys and 19 sells.

Estimated insider holdings value: $7.7M based on current market prices.

Holdings by Company

MASSApr 10, 2026

Current Shares945.6K

Value$7.73M

Net Activity-292,758

Bought: 0Sold: 292.8K

Showing 10 filings (page 2)

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Apr 12, 2022	MASS 908 Devices Inc.	Chief Technology Officer	Sell	9,829	$20.06	$197,169.74	-1.0%	-1.7%	-55.7%
Mar 18, 2022	MASS 908 Devices Inc.	Chief Technology Officer	Sell	19,900	$20.06	$399,194.00	-2.0%	-28.4%	-61.9%
Mar 11, 2022	MASS 908 Devices Inc.	Chief Technology Officer	Sell	100	$20.00	$2,000.00	-	-21.2%	-56.8%
Jan 5, 2022	MASS 908 Devices Inc.	Chief Technology Officer	Sell	10,000	$23.67	$236,688.24	-0.5%	-12.4%	-67.1%
Dec 1, 2021	MASS 908 Devices Inc.	Chief Technology Officer	Sell	10,000	$23.86	$238,602.70	-0.5%	-30.6%	-56.3%
Nov 3, 2021	MASS 908 Devices Inc.	Chief Technology Officer	Sell	15,000	$32.86	$492,928.74	-0.7%	-50.7%	-56.2%
Oct 6, 2021	MASS 908 Devices Inc.	Chief Technology Officer	Sell	15,000	$32.31	$484,651.20	-0.7%	-22.5%	-49.9%
Sep 1, 2021	MASS 908 Devices Inc.	Chief Technology Officer	Sell	15,000	$35.92	$538,736.40	-0.7%	-33.5%	-49.3%
Aug 4, 2021	MASS 908 Devices Inc.	Chief Technology Officer	Sell	15,000	$32.54	$488,067.00	-0.5%	+1.4%	-26.8%
Jul 7, 2021	MASS 908 Devices Inc.	Chief Technology Officer	Sell	35,000	$33.63	$1,177,169.55	-1.1%	+0.2%	-35.5%