Iridium Communications Inc. (IRDM) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through February 19, 2026 reveals that Iridium Communications's three principal insider shareholders consist of TenPercentOwner Ltd Baralonco (13.10Mn shares), Chief Executive Officer Matthew J Desch (1.12Mn shares), Director A B Krongard (365.90K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Ltd Baralonco 13,099,230 25 Aug, 2021
Matthew J Desch Chief Executive Officer 1,115,084 23 Dec, 2025
A B Krongard 365,902 07 Jan, 2026
Robert H Niehaus 315,790 07 Jan, 2026
Thomas Fitzpatrick 241,915 07 Jan, 2026
Thomas C Canfield 232,533 07 Jan, 2026
Suzanne E. Mcbride Chief Operations Officer 219,452 03 Dec, 2025
Scott Scheimreif Evp Government Programs 184,637 23 Dec, 2025
Parker William Rush 168,812 03 Jan, 2024
Eric T Olson 156,539 07 Jan, 2026
Thomas D Hickey Chief Legal Officer And Secretary 146,286 03 Dec, 2021
Steven B Pfeiffer 111,487 09 Mar, 2022
Bryan J. Hartin Evp Sales And Marketing 94,928 23 Dec, 2024
Kathleen A. Morgan Chief Legal Officer 77,229 05 Jan, 2026
Jane L. Harman 60,818 02 Apr, 2024
Barry West 52,547 03 Apr, 2023
Henrik O. Schliemann 51,285 03 Apr, 2023
Timothy James Last Evp And Sales & Marketing 49,211 23 Dec, 2025
Vincent James O'Neill Chief Financial Officer 47,463 23 Dec, 2025
Leon Anthony Frazier 46,229 07 Jan, 2026
Timothy Kapalka Cao Iridium Satellite Llc 38,129 03 Dec, 2025
Kay Sears 30,026 07 Jan, 2026
Jacqueline E Yeaney 25,251 07 Jan, 2026
Monique S. Shivanandan 15,810 07 Jan, 2026
Louis M Alterman 13,698 07 Jan, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
06 Jan, 2026 Thomas Fitzpatrick Common Stock A 10,822 $0.00 241,915 D A
06 Jan, 2026 Robert H Niehaus Common Stock A 17,315 $0.00 315,790 D A
06 Jan, 2026 A B Krongard Common Stock A 14,744 $0.00 365,902 D A
06 Jan, 2026 Jacqueline E Yeaney Common Stock A 10,822 $0.00 25,251 D A
06 Jan, 2026 Thomas C Canfield Common Stock A 14,204 $0.00 232,533 D A
06 Jan, 2026 Eric T Olson Common Stock A 11,633 $0.00 156,539 D A
06 Jan, 2026 Eric T Olson - - 156,539 D
06 Jan, 2026 Leon Anthony Frazier Common Stock A 10,822 $0.00 46,229 D A
06 Jan, 2026 Louis M Alterman Common Stock A 10,822 $0.00 13,698 D A
06 Jan, 2026 Kay Sears Common Stock A 10,822 $0.00 30,026 D A
06 Jan, 2026 Monique S. Shivanandan Common Stock A 10,822 $0.00 15,810 D A
01 Jan, 2026 Kathleen A. Morgan Common Stock D 647 $17.38 77,229 D F
31 Dec, 2025 Thomas Fitzpatrick Common Stock A 58 $0.00 231,093 D A
31 Dec, 2025 Robert H Niehaus Common Stock A 1,112 $0.00 298,475 D A
31 Dec, 2025 A B Krongard Common Stock A 886 $0.00 351,158 D A
31 Dec, 2025 Jacqueline E Yeaney Common Stock A 58 $0.00 14,429 D A
31 Dec, 2025 Thomas C Canfield Common Stock A 1,868 $0.00 218,329 D A
31 Dec, 2025 Eric T Olson - - 144,906 D
31 Dec, 2025 Eric T Olson Common Stock A 1,161 $0.00 144,906 D A
31 Dec, 2025 Leon Anthony Frazier Common Stock A 196 $0.00 35,407 D A