Insider · CIK 0001623397
Louis M Alterman
Files at IRDM (Iridium Communications Inc.). First filing -, latest -.
In brief
Louis M Alterman files SEC Form 4 as director at IRDM (Iridium Communications Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Louis M Alterman has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 5 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | IRDM Iridium Communications Inc. | AGrant or award Common Stock | +43 | $0.00 | $0 | 13,853 | 11 d ago |
| Jun 30, 2026 | IRDM Iridium Communications Inc. | AGrant or award Common Stock | +38 | $0.00 | $0 | 13,810 | Jul 2, 2026 |
| Mar 31, 2026 | IRDM Iridium Communications Inc. | AGrant or award Common Stock | +74 | $0.00 | $0 | 13,772 | Apr 2, 2026 |
| Jan 6, 2026 | IRDM Iridium Communications Inc. | AGrant or award Common Stock | +10,822 | $0.00 | $0 | 13,698 | Jan 7, 2026 |
| Dec 31, 2025 | IRDM Iridium Communications Inc. | AGrant or award Common Stock | +2,876 | $0.00 | $0 | 2,876 | Jan 5, 2026 |
Questions about Louis M Alterman
Answered from the filings on this page, as of the latest one.
Is Louis M Alterman buying or selling?
Louis M Alterman has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Louis M Alterman's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Louis M Alterman has 0.
Where does Louis M Alterman file Form 4?
Louis M Alterman has filed Form 4 at IRDM (Iridium Communications Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.