SEC CIK 1623397

Alterman Louis M

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
IRDMview stock →13,853.12026-09-30

Position History — IRDM

Reported shares owned immediately after each Form 4 transaction, over time.

04,6189,23513,8532025-122026-012026-032026-062026-09

Recent Filings — IRDM

DateActivitySharesPriceOwned After
2026-09-30Grant / award43.3$0.0013,853.1
2026-06-30Grant / award37.7$0.0013,809.8
2026-03-31Grant / award74.1$0.0013,772.1
2026-01-06Grant / award10,822$0.0013,698
2025-12-31Grant / award2,876$0.002,876

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.