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.

Latest filingSep 02, 2026Most recent Form 4
Total buying$00 buys
Total selling$1.92B9 sells
Net open-market-$1.92B10 insiders
Open-market mix
Buy vs sell distribution by transaction count
9 transactions
0 buys0%·100%9 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
1050-5-10transactionsAug 2026 sells: 9 transactions · $1.92B9AugSep

Transaction codes

By Form 4 transaction code in selected period
18transactions
  • S · Open-market sells · dominant9 · 50%
  • F · Tax withholding7 · 39%
  • G · Gifts2 · 11%

Activity by reported role

A joint filing can contribute to multiple roles
21transactions
  • 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
14distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Morgan Kathleen A.Common Stock · Direct
125.4k122.8kAug 17, 2026 · 125,415 shares owned afterAug 17, 2026 · 124,871 shares owned afterSep 01, 2026 · 122,818 shares owned afterAug 17, 2026Sep 01, 2026
122,818Sep 01, 2026
McBride Suzanne E.Common Stock · Direct
282.0k261.0kAug 17, 2026 · 282,017 shares owned afterAug 20, 2026 · 264,614 shares owned afterSep 01, 2026 · 260,991 shares owned afterAug 17, 2026Sep 01, 2026
260,991Sep 01, 2026
Last Timothy JamesCommon Stock · Direct
93.9k91.9kAug 17, 2026 · 93,913 shares owned afterAug 17, 2026 · 93,413 shares owned afterSep 01, 2026 · 91,912 shares owned afterAug 17, 2026Sep 01, 2026
91,912Sep 01, 2026
Kapalka TimothyCommon Stock · Direct
35.7k35.0kAug 17, 2026 · 35,731 shares owned afterSep 01, 2026 · 35,038 shares owned afterAug 17, 2026Sep 01, 2026
35,038Sep 01, 2026
Fitzpatrick ThomasCommon Stock · Direct
58.3k43.3kAug 17, 2026 · 58,305.6 shares owned afterAug 18, 2026 · 43,259.6 shares owned afterAug 17, 2026Aug 18, 2026
43,259.6Aug 18, 2026
Niehaus Robert HCommon Stock · Direct
266.9k266.9kAug 17, 2026 · 266,910.2 shares owned afterAug 17, 2026Aug 17, 2026
266,910.2Aug 17, 2026
Olson Eric TCommon Stock · Direct
149.7k149.7kAug 17, 2026 · 149,680.1 shares owned afterAug 17, 2026Aug 17, 2026
149,680.1Aug 17, 2026
Desch Matthew JCommon Stock · Direct
1.4M1.4MSep 01, 2026 · 1,441,434 shares owned afterSep 01, 2026Sep 01, 2026
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 red
1 active days
Aug 03Sep 03
LessMore
Top insiders
By absolute net value across the selected period
5 insiders
Recent filing activity
Most recent 9 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$1.05B
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

IRDM transaction history

Filters apply within this company and selected period by default
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Iridium Communications Inc. Insider Activity FAQ

SEC Form 4 context

Who 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.