Latest filingSep 02, 2026Most recent Form 4
IRDM
Iridium Communications Inc.
NasdaqCommunication ServicesCommunications Services, NEC
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$1.92B9 sells
Net open-market-$1.92B10 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period18transactions
- S · Open-market sells · dominant9 · 50%
- F · Tax withholding7 · 39%
- G · Gifts2 · 11%
Activity by reported role
A joint filing can contribute to multiple roles21transactions
- Director · dominant4 · 19%
- CLO3 · 14%
- COO3 · 14%
- EVP3 · 14%
- SALES3 · 14%
- CISL2 · 10%
- Chief executive officer1 · 5%
- Chief financial officer1 · 5%
- EGP1 · 5%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (7)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeMorgan Kathleen A.Common Stock · Direct
122,818Sep 01, 2026
McBride Suzanne E.Common Stock · Direct
260,991Sep 01, 2026
Last Timothy JamesCommon Stock · Direct
91,912Sep 01, 2026
Kapalka TimothyCommon Stock · Direct
35,038Sep 01, 2026
Fitzpatrick ThomasCommon Stock · Direct
43,259.6Aug 18, 2026
Niehaus Robert HCommon Stock · Direct
266,910.2Aug 17, 2026
Olson Eric TCommon Stock · Direct
149,680.1Aug 17, 2026
Desch Matthew JCommon Stock · Direct
1,441,434Sep 01, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- FT-$11.2M
- ME-$4.5M
- MA-$1.8M
- LJ-$1.1M
- KT-$713.1k
Recent filing activity
Most recent 12 transactions · color = transaction code- FTax withholding09/02-$6.86MSEC
- FTax withholding09/02-$3.25MSEC
- FTax withholding09/02-$7.05MSEC
- FTax withholding09/02-$17.0MSEC
- FTax withholding09/02-$10.3MSEC
- FTax withholding09/02-$45.0MSEC
- FTax withholding09/02-$9.64MSEC
- GGift08/21$0SEC
- SSell08/19-$74.0MSEC
- SSell08/19-$1.05BSEC
- SSell08/19-$2.54MSEC
- SSell08/19-$95.7MSEC
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
IRDM transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| IRDM | O'Neill Vincent James | CFO | withholding | 1.46k | -$6.86M | F | — | 0.0% | 09/02 | 09/01 |
| IRDM | Kapalka Timothy | CISL | withholding | 693 | -$3.25M | F | — | 0.0% | 09/02 | 09/01 |
| IRDM | Last Timothy James | EVPSALES | withholding | 1.50k | -$7.05M | F | — | 0.0% | 09/02 | 09/01 |
| IRDM | McBride Suzanne E. | COO | withholding | 3.62k | -$17.0M | F | — | 0.0% | 09/02 | 09/01 |
| IRDM | Scheimreif Scott | EGP | withholding | 2.20k | -$10.3M | F | — | 0.0% | 09/02 | 09/01 |
| IRDM | DESCH MATTHEW J | CEO | withholding | 9.58k | -$45.0M | F | — | 0.0% | 09/02 | 09/01 |
| IRDM | Morgan Kathleen A. | CLO | withholding | 2.05k | -$9.64M | F | — | 0.0% | 09/02 | 09/01 |
| IRDM | McBride Suzanne E. | COO | gift | 17.4k | $0 | G | −4.9% | 08/21 | 08/20 | |
| IRDM | FITZPATRICK THOMAS | DIR | sale | 15.0k | -$74.0M | S | −4.1% | 08/19 | 08/18 | |
| IRDM | FITZPATRICK THOMAS | DIR | sale | 209k | -$1.05B | S | −4.1% | 08/19 | 08/17 | |
| IRDM | Last Timothy James | EVPSALES | sale | 500 | -$2.54M | S | −4.1% | 08/19 | 08/17 | |
| IRDM | Last Timothy James | EVPSALES | sale | 19.0k | -$95.7M | S | −4.1% | 08/19 | 08/17 | |
| IRDM | Kapalka Timothy | CISL | sale | 13.4k | -$68.0M | S | −4.1% | 08/19 | 08/17 | |
| IRDM | McBride Suzanne E. | COO | sale | 85.4k | -$429M | S | −4.1% | 08/19 | 08/17 | |
| IRDM | Morgan Kathleen A. | CLO | sale | 544 | -$2.76M | S | −4.1% | 08/19 | 08/17 | |
| IRDM | Morgan Kathleen A. | CLO | sale | 32.6k | -$164M | S | −4.1% | 08/19 | 08/17 | |
| IRDM | Olson Eric T | DIR | sale | 8.00k | -$40.4M | S | −4.1% | 08/19 | 08/17 | |
| IRDM | NIEHAUS ROBERT H | DIR | gift | 50.0k | $0 | G | −4.1% | 08/19 | 08/17 |
Iridium Communications Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Iridium Communications Inc.?
O'Neill Vincent James, Kapalka Timothy, Last Timothy James, McBride Suzanne E., Scheimreif Scott, DESCH MATTHEW J, Morgan Kathleen A., FITZPATRICK THOMAS, Olson Eric T, NIEHAUS ROBERT H.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Fitzpatrick Thomas reported a sale on Aug 18, 2026 valued at $74.0M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $19,283,902.46. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.