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Iridium Communications stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+165.9% to $44.04
Iridium Communications (IRDM) stock rose 166% over the last 252 sessions, to $44.04. On the way it reported 0 quarters, its insiders filed 9 open-market trades and 9 Form 144 notices of planned sales, and the company filed 7 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Oct 26, 2026 | Form 144 | Form 144: Matthew Desch plans to sell $473K | +0.3% (−0.4% vs SPY) | +1.1% (+1.7% vs SPY) | — |
| Sep 15, 2026 | 8-K | Material definitive agreement | +2.3% (+2.7% vs SPY) | +4.6% (+2.7% vs SPY) | +1.5% (−1.0% vs SPY) |
| Sep 15, 2026 | Form 144 | Form 144: Timothy J Last plans to sell $267K | +2.3% (+2.7% vs SPY) | +4.6% (+2.7% vs SPY) | +1.5% (−1.0% vs SPY) |
| Sep 15, 2026 | Insider sale | Last Timothy James sold $267K | +2.3% (+2.7% vs SPY) | +4.6% (+2.7% vs SPY) | +1.5% (−1.0% vs SPY) |
| Sep 3, 2026 | Form 144 | Form 144: Timothy J Last plans to sell $95K | 0.0% (−1.1% vs SPY) | +0.1% (+1.1% vs SPY) | +4.5% (+3.6% vs SPY) |
| Sep 3, 2026 | Insider sale | Last Timothy James sold $95K | 0.0% (−1.1% vs SPY) | +0.1% (+1.1% vs SPY) | +4.5% (+3.6% vs SPY) |
| Aug 18, 2026 | Form 144 | Form 144: Thomas Fitzpatrick plans to sell $746K | −2.1% (−1.4% vs SPY) | −5.6% (−4.5% vs SPY) | −5.4% (−2.9% vs SPY) |
| Aug 18, 2026 | Insider sale | Fitzpatrick Thomas sold $740K | −2.1% (−1.4% vs SPY) | −5.6% (−4.5% vs SPY) | −5.4% (−2.9% vs SPY) |
| Aug 17, 2026 | Form 144 | Form 144: Kathleen Morgan plans to sell $1.7M | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Aug 17, 2026 | Form 144 | Form 144: Timothy J Last plans to sell $983K | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Aug 17, 2026 | Form 144 | Form 144: Thomas Fitzpatrick plans to sell $10.5M | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Aug 17, 2026 | Form 144 | Form 144: Eric T Olson plans to sell $405K | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Aug 17, 2026 | Form 144 | Form 144: Suzanne McBride plans to sell $4.3M | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Aug 17, 2026 | Insider sale | Olson Eric T sold $405K | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Aug 17, 2026 | Insider sale | Morgan Kathleen A. sold $1.7M | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Aug 17, 2026 | Insider sale | McBride Suzanne E. sold $4.3M | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Aug 17, 2026 | Insider sale | Last Timothy James sold $983K | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Aug 17, 2026 | Insider sale | Kapalka Timothy sold $681K | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Aug 17, 2026 | Insider sale | Fitzpatrick Thomas sold $10.5M | −0.3% (+0.2% vs SPY) | −2.5% (−1.1% vs SPY) | −6.1% (−3.6% vs SPY) |
| Jul 7, 2026 | 8-K | Material definitive agreement | −1.2% (−0.9% vs SPY) | −4.5% (−5.0% vs SPY) | −5.5% (−8.4% vs SPY) |
| Jun 29, 2026 | 8-K | Material definitive agreement | +22.7% (+21.0% vs SPY) | +18.9% (+15.9% vs SPY) | +4.3% (+2.7% vs SPY) |
| May 20, 2026 | 8-K | Directors and officers: departures, appointments, pay | +0.9% (+0.7% vs SPY) | +12.4% (+10.6% vs SPY) | −4.2% (−4.8% vs SPY) |
| May 14, 2026 | 8-K | Material definitive agreement | +0.8% (0.0% vs SPY) | +5.0% (+5.1% vs SPY) | +9.4% (+9.4% vs SPY) |
| Feb 27, 2026 | 8-K | Directors and officers: departures, appointments, pay | +3.4% (+3.3% vs SPY) | +0.2% (+2.3% vs SPY) | +11.9% (+19.8% vs SPY) |
| Dec 4, 2025 | 8-K | Directors and officers: departures, appointments, pay | +2.4% (+2.3% vs SPY) | +9.6% (+9.1% vs SPY) | +6.3% (+5.5% vs SPY) |
Insiders’ record here
In the year on the chart, Iridium Communications' insiders reported 0 open-market buys ($0) and 9 sales ($19.6M).
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 2.03 New debt or off-balance-sheet obligation | 13,268 | 0.0% | 50% | +1.2% | ±1.3% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Iridium Communications: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.