Alterman Louis M

Director · IRDM

As of 2026-09-16, Alterman Louis M has 4 Form 4 transactions on record across 1 company — 4 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $653KIndirect: $0$653Kas of 2026-09-16
  • Direct $653K
  • Indirect $0
IRDMdirect13,810 sh$653K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

IRDM · 4 trades
2026-06-30: Award / grant, 38 sh ($0)2026-03-31: Award / grant, 74 sh ($0)2026-01-06: Award / grant, 10,822 sh ($0)2025-12-31: Award / grant, 2,876 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-30IRDMAward / grant3813,810Form 4
2026-03-31IRDMAward / grant7413,772Form 4
2026-01-06IRDMAward / grant10,82213,698Form 4
2025-12-31IRDMAward / grant2,8762,876Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.