Christopher D. Brown

CIK 1836988 · Chief Product Officer · last filed 2026-06-05

Christopher D. Brown is a Chief Product Officer who has filed 32 SEC Form 4 insider transactions across 1 company since 2020. The most recent filing shows the insider sold $900 of MASS on Jun 5, 2026. Across all open-market trades the lifetime net is −$6.6M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $7.2M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$7.24M

Companies

1

Total Filings

32

Lifetime Open-Market Net

-$6.63M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
MASS Director 875,459 $8.27 $7.24M -$6.63M 32 2026-06-05

Recent Filings

32 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-05 MASS Sell (S) −100 -$900 EDGAR
2026-06-04 MASS Sell (S) −20,000 -$174.6K EDGAR
2026-05-29 MASS Sell (S) −30,000 -$270.0K EDGAR
2026-05-07 MASS Sell (S) −20,000 -$144.6K EDGAR
2026-04-10 MASS Sell (S) −40,000 -$282.3K EDGAR
2026-02-03 MASS Exer (M) +23,437 $0 EDGAR
2025-02-04 MASS Mixed +15,669 -$18.2K EDGAR
2024-12-19 MASS Exer (M) +55,131 $87.1K EDGAR
2024-08-08 MASS Exer (M) +6,328 $10.0K EDGAR
2024-04-02 MASS Exer (M) +3,600 $6.3K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.