IRDMIridium Communications Inc.Communication Services · Telecommunications Servicesas of 2026-09-16
Horizon

Issued 2026-09-16 at $47.28 · now $47.28 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, IRDM has typically landed between $38.83 and $57.07 — a range of −17.9% to +20.7% from the issuance price $47.28.

Range of outcomes in historically similar periods — not a price prediction. Ranges are scored publicly on /methodology.
  • Actual close
  • Typical path (median)
  • Middle 50% of outcomes
  • 90% range

4,631 overlapping 1 month windows · 2008-03-202026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.756.1%, ≈1,408 obs).

The cone is anchored at the 2026-09-16 issuance close ($47.28) — the price the forecast resolves against on 2026-10-15, not the latest close. The drawn path shape is illustrative (bands widen with √t); every labeled number is real — the anchor, the scored batch p90/IQR endpoints, and the typical move.

Where IRDM has typically landed a month from the 2026-09-16 close of $47.28 — the range is history, not a prediction.

$38.83worst · -17.9%$57.07best · +20.7%
  • now $47.28 (+0.0%)
  • typicalThe typical outcome — half of similar past periods did better and half did worse (not an average, so a few wild periods don't skew it). $47.77 (+1.0%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $44.32$51.21
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $38.83$57.07
Actual 1-month windows behind the coneiEvery overlapping 1-month window in this security's own price history was ranked by realized return; shown are the 3 worst and 3 best of 4,631 windows spanning 2008-03-20 to 2026-09-16. Not cherry-picked — these are the extremes of the full sample. Max drop / max rise are the deepest and highest points reached within each window. See /methodology.
StartReturnMax dropMax rise
3 worst
2020-02-18−42.0%−42.0%+0.7%
2020-02-13−36.5%−36.5%+0.0%
2020-02-20−36.2%−41.3%+0.0%
3 best
2026-03-20+69.0%+0.0%+70.9%
2026-03-17+65.4%−3.2%+65.4%
2026-03-18+64.0%−0.5%+70.1%

4,631 overlapping windows · 2008-03-202026-09-16 · not cherry-picked

Seasonality · by month iHow this security has tended to do in each calendar month historically — a frequency, never a prediction.

iFor each calendar month, the share of years this security closed higher than the month before, and the average month-over-month return, over ~19 years of its own price history. Cells are shaded by average return. This is historical frequency, not a prediction — no month is a signal.
Jan
61%
+0.6%
n=18
Feb
56%
+0.9%
n=18
Mar
61%
+3.8%
n=18
Apr
68%
+3.0%
n=19
May
74%
+5.1%
n=19
Jun
84%
+4.3%
n=19
Jul
58%
−0.5%
n=19
Aug
47%
−2.3%
n=19
Sep
26%
−3.9%
n=19
Oct
61%
+1.7%
n=18
Nov
67%
+2.2%
n=18
Dec
67%
+2.2%
n=18

Up-frequency and average month-over-month return · historical frequency, not a prediction

Reported insider & political trades

Every Form 4 the people closest to this company have filed with the SEC — plotted against the share price, aggregated by month, and shown with the gap between when each trade happened and when it was disclosed. A public record, not advice.

Share price & reported tradesMonthly open-market valueReporting lag — trade date to filing date2026-092026-082026-072026-062026-052026-042026-032026-022026-012025-122025-112025-102025-092025-08$56$162026-09-15: 1 insider sale, $267K — Last Timothy James2026-09-03: 1 insider sale, $95K — Last Timothy James2026-08-18: 1 insider sale, $740K — FITZPATRICK THOMAS2026-08-17: 8 insider sales, $18.5M — FITZPATRICK THOMAS, McBride Suzanne E., Morgan Kathleen A., Last Timothy James …2026-04-06: 1 insider sale, $67K — Kapalka Timothy2026-04-02: 1 insider sale, $117K — Kapalka Timothy2025-10-31: 1 insider sale, $375K — FITZPATRICK THOMAS2025-10-30: 1 insider purchase, $347K — DESCH MATTHEW J2025-10-28: 1 insider purchase, $525K — NIEHAUS ROBERT H2025-10-28: 1 insider sale, $122K — FITZPATRICK THOMAS2025-10-27: 1 insider sale, $60K — FITZPATRICK THOMAS2025-10: 2 open-market purchases, $871K2025-10: 3 open-market sales, $557K2026-04: 2 open-market sales, $185K2026-08: 9 open-market sales, $19.3M2026-09: 2 open-market sales, $363K↑ buys↓ salesofficer Last Timothy James — Sale on 2026-09-15, filed 1 day after the tradeofficer Last Timothy James — Sale on 2026-09-03, filed 1 day after the tradedirector FITZPATRICK THOMAS — Sale on 2026-08-18, filed 1 day after the tradedirector FITZPATRICK THOMAS — Sale on 2026-08-17, filed 2 days after the tradedirector McBride Suzanne E. — Sale on 2026-08-17, filed 2 days after the tradeofficer Morgan Kathleen A. — Sale on 2026-08-17, filed 2 days after the tradeofficer Last Timothy James — Sale on 2026-08-17, filed 2 days after the tradeofficer Kapalka Timothy — Sale on 2026-08-17, filed 2 days after the tradedirector Olson Eric T — Sale on 2026-08-17, filed 2 days after the tradeofficer Morgan Kathleen A. — Sale on 2026-08-17, filed 2 days after the tradeofficer Last Timothy James — Sale on 2026-08-17, filed 2 days after the tradeofficer Kapalka Timothy — Sale on 2026-04-06, filed same dayofficer Kapalka Timothy — Sale on 2026-04-02, filed 4 days after the tradedirector FITZPATRICK THOMAS — Sale on 2025-10-31, filed 3 days after the tradedirector DESCH MATTHEW J — Purchase on 2025-10-30, filed 4 days after the tradedirector NIEHAUS ROBERT H — Purchase on 2025-10-28, filed 1 day after the tradedirector FITZPATRICK THOMAS — Sale on 2025-10-28, filed 1 day after the tradedirector FITZPATRICK THOMAS — Sale on 2025-10-27, filed 2 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-09-15Last Timothy JamesofficerSale5,769 @ $46.35$267K−6.4% of holdingnot yet — horizon still opennot yet — horizon still open84,130Form 4 · filed 1 day after the trade
2026-09-03Last Timothy JamesofficerSale2,013 @ $47.36$95K−2.2% of holdingnot yet — horizon still opennot yet — horizon still open89,899Form 4 · filed 1 day after the trade
2026-08-18FITZPATRICK THOMASdirectorSale15,046 @ $49.20$740K−25.8% of holdingnot yet — horizon still opennot yet — horizon still open43,260Form 4 · filed 1 day after the trade
2026-08-17FITZPATRICK THOMASdirectorSale209,233 @ $50.22$10.5M−78.2% of holding−3.1%not yet — horizon still open58,306Form 4 · filed 2 days after the trade
2026-08-17McBride Suzanne E.directorSale85,454 @ $50.28$4.3M−23.3% of holding−3.1%not yet — horizon still open282,017Form 4 · filed 2 days after the trade
2026-08-17Morgan Kathleen A.officerSale32,648 @ $50.34$1.6M−20.7% of holding−3.1%not yet — horizon still open125,415Form 4 · filed 2 days after the trade
2026-08-17Last Timothy JamesofficerSale19,021 @ $50.33$957K−16.8% of holding−3.1%not yet — horizon still open93,913Form 4 · filed 2 days after the trade
2026-08-17Kapalka TimothyofficerSale13,473 @ $50.51$681K−27.4% of holding−3.1%not yet — horizon still open35,731Form 4 · filed 2 days after the trade
2026-08-17Olson Eric TdirectorSale8,000 @ $50.61$405K−5.1% of holding−3.1%not yet — horizon still open149,680Form 4 · filed 2 days after the trade
2026-08-17Morgan Kathleen A.officerSale544 @ $50.85$28K−0.4% of holding−3.1%not yet — horizon still open124,871Form 4 · filed 2 days after the trade
2026-08-17Last Timothy JamesofficerSale500 @ $50.88$25K−0.5% of holding−3.1%not yet — horizon still open93,413Form 4 · filed 2 days after the trade
2026-04-06Kapalka TimothyofficerSale2,043 @ $33.00$67K−4.3% of holding+9.8%not yet — horizon still open45,721Form 4 · filed same day
2026-04-02Kapalka TimothyofficerSale3,790 @ $31.00$117K−7.4% of holding+11.9%not yet — horizon still open47,764Form 4 · filed 4 days after the trade
2025-10-31FITZPATRICK THOMASdirectorSale20,839 @ $18.00$375K−8.3% of holding−12.7%+101.1%231,034Form 4 · filed 3 days after the trade
2025-10-30DESCH MATTHEW JdirectorPurchase20,000 @ $17.33$347K+1.8% of holding−6.9%+123.1%1,127,019Form 4 · filed 4 days after the trade
2025-10-28NIEHAUS ROBERT HdirectorPurchase30,000 @ $17.49$525K+11.2% of holding−4.0%+123.7%297,363Form 4 · filed 1 day after the trade
2025-10-28FITZPATRICK THOMASdirectorSale6,797 @ $18.00$122K−2.6% of holding−4.0%+123.7%251,873Form 4 · filed 1 day after the trade
2025-10-27FITZPATRICK THOMASdirectorSale3,331 @ $18.00$60K−1.3% of holding−6.8%+101.2%258,670Form 4 · filed 2 days after the trade
2025-06-03Kapalka TimothyofficerSale1,922 @ $26.08$50K−4.6% of holding+17.1%−50.3%39,737Form 4 · filed same day
2025-02-18Morgan Kathleen A.officerSale15,005 @ $33.58$504K−21.2% of holding−7.3%−30.9%55,818Form 4 · filed 1 day after the trade
2025-02-18Olson Eric TdirectorSale4,955 @ $34.03$169K−3.5% of holding−7.3%−30.9%137,557Form 4 · filed 1 day after the trade
2025-01-10FITZPATRICK THOMASdirectorSale12,500 @ $28.53$357K−4.9% of holding−6.0%+4.4%241,030Form 4 · filed 4 days after the trade
2025-01-02Last Timothy JamesofficerSale57 @ $29.23$2K−0.2% of holding−6.4%+2.1%30,034Form 4 · filed 1 day after the trade

The vs-S&P columns are a labeled look-back on what the stock did after each filing, measured against the index over the same window. Descriptive history, not a claim about the person or a reason to trade.

231 award / exercise / gift records — not counted as purchases

Awards, option exercises, gifts and tax-withholding disposals are shown separately and never counted as open-market purchases or sales — they carry no conviction information.

DatePersonRoleActionSharesOwned afterFiling
2026-09-01DESCH MATTHEW JdirectorWithheld for tax9,5831,441,434Form 4
2026-09-01McBride Suzanne E.directorWithheld for tax3,623260,991Form 4
2026-09-01Scheimreif ScottofficerWithheld for tax2,207257,552Form 4
2026-09-01Morgan Kathleen A.officerWithheld for tax2,053122,818Form 4
2026-09-01Last Timothy JamesofficerWithheld for tax1,50191,912Form 4
2026-09-01O'Neill Vincent JamesofficerWithheld for tax1,461126,944Form 4
2026-09-01Kapalka TimothyofficerWithheld for tax69335,038Form 4
2026-08-20McBride Suzanne E.directorGift17,403264,614Form 4
2026-08-17NIEHAUS ROBERT HdirectorGift50,000266,910Form 4
2026-07-10Thoma Donald LeeofficerAward / grant41,94941,949Form 4
2026-06-30Shivanandan Monique S.directorAward / grant4415,939Form 4
2026-06-30YEANEY JACQUELINE EdirectorAward / grant3025,340Form 4
2026-06-30Sears KaydirectorAward / grant3030,114Form 4
2026-06-30Olson Eric TdirectorAward / grant385157,680Form 4
2026-06-30NIEHAUS ROBERT HdirectorAward / grant378316,910Form 4
2026-06-30FRAZIER LEON ANTHONYdirectorAward / grant9346,504Form 4
2026-06-30FITZPATRICK THOMASdirectorAward / grant49267,539Form 4
2026-06-30Canfield Thomas CdirectorAward / grant639234,294Form 4
2026-06-30Alterman Louis MdirectorAward / grant3813,810Form 4
2026-06-01DESCH MATTHEW JdirectorWithheld for tax9,5831,451,017Form 4
2026-06-01McBride Suzanne E.directorWithheld for tax3,622367,471Form 4
2026-06-01Scheimreif ScottofficerWithheld for tax2,205259,759Form 4
2026-06-01Morgan Kathleen A.officerWithheld for tax2,052158,063Form 4
2026-06-01Last Timothy JamesofficerWithheld for tax1,498112,934Form 4
2026-06-01O'Neill Vincent JamesofficerWithheld for tax1,459128,405Form 4
2026-06-01Kapalka TimothyofficerWithheld for tax69245,029Form 4
2026-06-01Kapalka TimothyofficerAward / grant4,17549,204Form 4
2026-05-20Canfield Thomas CdirectorDisposition136233,655Form 4
2026-03-31YEANEY JACQUELINE EdirectorAward / grant5925,310Form 4
2026-03-31Alterman Louis MdirectorAward / grant7413,772Form 4
2026-03-31NIEHAUS ROBERT HdirectorAward / grant743316,533Form 4
2026-03-31FRAZIER LEON ANTHONYdirectorAward / grant18246,411Form 4
2026-03-31Canfield Thomas CdirectorAward / grant1,257233,791Form 4
2026-03-31FITZPATRICK THOMASdirectorAward / grant95267,490Form 4
2026-03-31Krongard A BdirectorAward / grant640366,542Form 4
2026-03-31Olson Eric TdirectorAward / grant757157,295Form 4
2026-03-31Sears KaydirectorAward / grant5930,084Form 4
2026-03-31Shivanandan Monique S.directorAward / grant8615,895Form 4
2026-03-09DESCH MATTHEW JdirectorWithheld for tax8,7471,460,600Form 4
2026-03-09McBride Suzanne E.directorWithheld for tax3,067371,093Form 4

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

Across 2012–2021, stocks where a CEO, C-suite officer, or director had recently made an open-market common-stock purchase ran about +28 bp per month above the universe average (n=34,268 stock-weeks). A historical tendency, not a prediction.

Congressional disclosures

No congressional trades disclosed for this company.

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