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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 43h ago
HOUSE PTR3h ago
SEC 13F3h ago
ROBINHOOD CHAIN3h ago
Corporate insider
BD

Brown Christopher D.

DirectorCIK 0001836988

EDGAR filingsOpen in network
Disclosed transactions16
Buys / sells0 / 14
Max Insider Score13
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
0
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Option exercise · 10b5-1 plan
M$105K
60.0K sh
Oct 7, 2026Oct 9, 2026
traded Oct 7, 2026
+2dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    908 Devices Inc.Director · Apr 10, 2026
0
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Option exercise · 10b5-1 plan
M
—
60.0K sh
Oct 7, 2026
Oct 9, 2026
traded Oct 7, 2026
+2d
SEC FORM 4

Evidence

9
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$357K
30.0K sh
Oct 7, 2026Oct 9, 2026
traded Oct 7, 2026
+2dSEC FORM 4

Evidence

9
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$317K
30.0K sh
Sep 2, 2026Sep 4, 2026
traded Sep 2, 2026
+2dSEC FORM 4

Evidence

6
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$77K
8,358 sh
Aug 11, 2026Aug 12, 2026
traded Aug 11, 2026
+1dSEC FORM 4

Evidence

6
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$85K
9,442 sh
Aug 10, 2026Aug 12, 2026
traded Aug 10, 2026
+2dSEC FORM 4

Evidence

6
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$170K
20.0K sh
Aug 5, 2026Aug 7, 2026
traded Aug 5, 2026
+2dSEC FORM 4

Evidence

9
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$20K
2,200 sh
Jul 2, 2026Jul 7, 2026
traded Jul 2, 2026
+5dSEC FORM 4

Evidence

6
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$89K
9,900 sh
Jun 23, 2026Jun 25, 2026
traded Jun 23, 2026
+2dSEC FORM 4

Evidence

0
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$900
100 sh
Jun 4, 2026Jun 5, 2026
traded Jun 4, 2026
+1dSEC FORM 4

Evidence

4
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$175K
20.0K sh
Jun 3, 2026Jun 4, 2026
traded Jun 3, 2026
+1dSEC FORM 4

Evidence

7
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$270K
30.0K sh
May 28, 2026May 29, 2026
traded May 28, 2026
+1dSEC FORM 4

Evidence

9
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$145K
20.0K sh
May 6, 2026May 7, 2026
traded May 6, 2026
+1dSEC FORM 4

Evidence

13
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$106K
15.0K sh
Apr 8, 2026Apr 10, 2026
traded Apr 8, 2026
+2dSEC FORM 4

Evidence

9
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$52K
7,392 sh
Apr 9, 2026Apr 10, 2026
traded Apr 9, 2026
+1dSEC FORM 4

Evidence

9
BD
Brown Christopher D.Director
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$124K
17.6K sh
Apr 10, 2026Apr 10, 2026
traded Apr 10, 2026
+0dSEC FORM 4

Evidence