Brown Christopher D.

Insider

Director

Trades at: MASS

30D 90D 1Y

Net shares · 30d

-50.1K

0 buy · 50.1K sell

Net value · 30d

-$445.5K

$0 in · $445.5K out

Sentiment · 30d

Net selling

0% buying · 100% selling

Open-market trades · 30d

0 buy · 50.1K sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 30d

Open-market Buys Sells All types

MASS Sell·S
Jun 4, 26

Director · 10b5-1

$900

100 sh · $9.00

Own -0%
MASS Sell·S
Jun 3, 26

Director · 10b5-1

$174.6K

20.0K sh · $8.73

Own -2%
MASS Sell·S
May 28, 26

Director · 10b5-1

$270.0K

30.0K sh · $9.00

Own -3%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 4, 2026	MASS	Director	Sell S	100	-0%	$9.00	$900
Jun 3, 2026	MASS	Director	Sell S	20.0K	-2%	$8.73	$174.6K
May 28, 2026	MASS	Director	Sell S	30.0K	-3%	$9.00	$270.0K

Buy Sell Non-market (grant · exercise · gift)

About Brown Christopher D.

This profile aggregates every SEC Form 4 insider transaction reported by Brown Christopher D. across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.