INSIDER
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ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources

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

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
01Overview02Follow the Money03Daily Brief04Live05Congress06Directory07Corporate Insiders08Government Money09Political Influence10Institutions11Washington Network12Follow the Power13Disclosure Clock14AI Investigator15Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources
SEC FORM 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
Corporate insider
MJ

McCallion Kevin J.

SVP, Products and ProductionCIK 0002115341

EDGAR filingsOpen in network
Disclosed transactions10
Buys / sells0 / 4
Max Insider Score17
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
0
MJ
McCallion Kevin J.SVP, Products and Production
MASS908 Devices Inc.
Option exercise · 10b5-1 plan
M—
2,693 sh
Apr 10, 2026Apr 14, 2026
traded Apr 10, 2026
+4dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    908 Devices Inc.SVP, Products and Production · Mar 4, 2026
0
MJ
McCallion Kevin J.SVP, Products and Production
MASS908 Devices Inc.
Option exercise · 10b5-1 plan
M
$2,828
2,693 sh
Apr 10, 2026
Apr 14, 2026
traded Apr 10, 2026
+4d
SEC FORM 4

Evidence

10
MJ
McCallion Kevin J.SVP, Products and Production
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$19K
2,693 sh
Apr 10, 2026Apr 14, 2026
traded Apr 10, 2026
+4dSEC FORM 4

Evidence

0
MJ
McCallion Kevin J.SVP, Products and Production
MASS908 Devices Inc.
Option exercise · 10b5-1 plan
M$5,691
5,420 sh
Apr 9, 2026Apr 10, 2026
traded Apr 9, 2026
+1dSEC FORM 4

Evidence

0
MJ
McCallion Kevin J.SVP, Products and Production
MASS908 Devices Inc.
Option exercise · 10b5-1 plan
M—
5,420 sh
Apr 9, 2026Apr 10, 2026
traded Apr 9, 2026
+1dSEC FORM 4

Evidence

17
MJ
McCallion Kevin J.SVP, Products and Production
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$131K
18.6K sh
Apr 8, 2026Apr 10, 2026
traded Apr 8, 2026
+2dSEC FORM 4

Evidence

0
MJ
McCallion Kevin J.SVP, Products and Production
MASS908 Devices Inc.
Option exercise · 10b5-1 plan
M—
18.6K sh
Apr 8, 2026Apr 10, 2026
traded Apr 8, 2026
+2dSEC FORM 4

Evidence

10
MJ
McCallion Kevin J.SVP, Products and Production
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$38K
5,420 sh
Apr 9, 2026Apr 10, 2026
traded Apr 9, 2026
+1dSEC FORM 4

Evidence

3
MJ
McCallion Kevin J.SVP, Products and Production
MASS908 Devices Inc.
Option exercise · 10b5-1 plan
M$20K
18.6K sh
Apr 8, 2026Apr 10, 2026
traded Apr 8, 2026
+2dSEC FORM 4

Evidence

5
MJ
McCallion Kevin J.SVP, Products and Production
MASS908 Devices Inc.
Open-market sale · 10b5-1 plan
SELL$49
7 sh
Mar 2, 2026Mar 4, 2026
traded Mar 2, 2026
+2dSEC FORM 4

Evidence