Every Form 4 that Iridium Communications Inc. (IRDM) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow IRDM and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full IRDM filings page.
Iridium Communications Inc. director Thomas Fitzpatrick acquired 95.4 shares of common stock on a grant/award basis tied to existing restricted stock units. These shares reflect dividend equivalent rights stemming from a $0.15 quarterly cash dividend declared on March 5, 2026.
The dividend is payable on March 31, 2026 to stockholders of record as of March 16, 2026. Each dividend equivalent right will deliver one share upon settlement of the related restricted stock units, under the same vesting and settlement terms. Following this award, Fitzpatrick directly holds 267,490.1 shares of common stock.
Iridium Communications Inc. director Thomas C. Canfield recorded an acquisition of 1,257.4 common shares through dividend equivalent rights tied to restricted stock units. These rights arose from a $0.15 per-share quarterly cash dividend declared on the company’s common stock, payable on March 31, 2026.
Each dividend equivalent right will deliver one common share when the related restricted stock units settle, under the same vesting and settlement terms. After this award, Canfield directly holds 233,790.8 common shares and indirectly holds 36,682 common shares through the Thomas C. Canfield 2017 grantor retained annuity trust.
Alterman Louis M reported acquisition or exercise transactions in this Form 4 filing.
Iridium Communications director Louis M. Alterman received 74.1 shares of common stock as a stock grant tied to dividend equivalents. These shares were credited at no purchase price in connection with a quarterly cash dividend of $0.15 per share declared on the company’s common stock.
The dividend equivalent rights accrued on previously granted restricted stock units and carry the same vesting and settlement terms as the original awards. After this grant, Alterman directly holds 13,772.1 shares of Iridium common stock.
Iridium Communications Inc. director Leon Anthony Frazier reported an acquisition of 182.4 shares of common stock at $0.00 per share. These shares reflect dividend equivalent rights tied to existing restricted stock units after a declared quarterly cash dividend of $0.15 per share. Following this grant, he directly holds 46,411.3 shares of Iridium common stock.
NIEHAUS ROBERT H reported acquisition or exercise transactions in this Form 4 filing.
Iridium Communications Inc. director Robert H. Niehaus received an award of 742.9 shares of common stock as dividend-equivalent rights tied to his existing restricted stock units. These arose from a quarterly cash dividend of $0.15 per share declared on March 5, 2026, payable March 31, 2026 to holders of record on March 16, 2026. After this award, he directly holds 316,532.5 shares of Iridium common stock.
Iridium Communications Inc. Chief Financial Officer Vincent James O'Neill reported a disposition of 2,514 shares of common stock at $24.01 per share. The filing explains this was a share withholding by the company to cover his tax obligations from the vesting of restricted stock units, rather than an open-market sale. After this tax-withholding transaction, he directly holds 129,864 shares of Iridium common stock.
Iridium Communications Inc. chief operations officer Suzanne E. McBride reported a routine tax-related share disposition. On the reported date, the issuer withheld 3,067 shares of common stock at $24.01 per share to satisfy her tax withholding obligations from vesting restricted stock units. Following this non-market transaction, she directly holds 371,093 common shares.
Iridium Communications Inc. executive Scott Scheimreif reported a routine tax-related share disposition. On March 9, 2026, 2,397 shares of Iridium common stock were withheld by the company at $24.01 per share to cover his tax obligations from vesting restricted stock units.
This was not an open-market sale but a payment of tax liability in shares. After this withholding, Scheimreif directly holds 261,964 Iridium shares, so the transaction affects only a small portion of his overall position.
Iridium Communications Inc. Chief Executive Officer Matthew J. Desch reported a routine tax-related share disposition. On the transaction date, the issuer withheld 8,747 shares of Common Stock at $24.01 per share to satisfy his tax withholding obligations tied to the vesting and settlement of restricted stock units, rather than an open-market sale. After this withholding, Desch directly holds 1,460,600 shares of Common Stock, indicating he retains a substantial equity position in the company.
Iridium Communications EVP Timothy James Last reported a routine tax-related share disposition. On March 9, he had 2,335 shares of Common Stock withheld by the company at $24.01 per share to cover tax obligations from vested restricted stock units. After this non-market transaction, he directly holds 114,432 shares of Iridium Communications stock.
Iridium Communications Inc. Chief Legal Officer Kathleen A. Morgan reported a routine share disposition related to taxes. On the vesting of restricted stock units, the company withheld 2,191 shares of Common Stock at $24.01 per share to cover her tax obligations. After this non-market, tax-withholding transaction, she directly holds 160,115 shares of Iridium common stock.
Iridium Communications Inc. chief accounting officer Timothy Kapalka reported a small administrative share disposition related to taxes. On March 9, 2026, 744 shares of common stock at $24.01 per share were withheld by the company to cover his tax obligations on vested restricted stock units. After this tax-withholding transaction, he directly owns 51,554 shares of Iridium common stock. This was not an open-market sale but an automatic withholding by the issuer.
Iridium Communications director Thomas Fitzpatrick reported equity compensation activity involving company common stock. On February 26, 2026, he acquired 34,247 shares at $0.00 per share as a grant or award tied to performance-based restricted stock units (PSUs) that were granted on March 1, 2024 and certified as earned. All of these PSUs settled on March 1, 2026, bringing his holdings to 276,161.7 shares.
On March 1, 2026, 8,767 shares were disposed of at $22.49 per share in a tax-withholding transaction, where shares were withheld by Iridium to satisfy his tax obligations related to the PSU vesting and settlement. After this withholding, his direct ownership stood at 267,394.7 common shares.
Iridium Communications EVP Scott Scheimreif reported equity compensation transactions in company common stock. On March 1, 2026, he acquired 66,805 shares at $0.0000 per share as stock awards tied to the issuer’s 2025 bonus plan and performance-based RSUs, while 12,592 shares were disposed at $22.49 per share to cover tax withholding obligations. Additional stock awards of 4,963 shares and 20,548 shares on February 26, 2026 represent RSUs and PSUs that will vest gradually through March 1, 2031, subject to continued service.
Iridium Communications’ chief legal officer, Kathleen A. Morgan, reported a mix of equity awards and a tax-related share disposition. She acquired 70,981 shares of common stock on March 1, 2026 through grants and awards at no cash cost, bringing her direct holdings to 173,617 shares immediately after that grant.
On the same date, 11,311 shares were disposed of at $22.49 per share, representing shares withheld by Iridium to cover her tax obligations rather than an open-market sale. Earlier, on February 26, 2026, she received additional stock awards totaling 25,407 shares, also at no cash cost.
Iridium Communications CEO Matthew J. Desch reported multiple equity award transactions in Iridium Communications Inc. common stock. On February 26, 2026, he acquired a total of 115,289 shares through stock awards coded as grants or other acquisitions.
On March 1, 2026, he acquired an additional 292,275 shares tied to restricted and performance-based stock units, and 53,301 shares were withheld by the company at $22.49 per share to cover tax obligations. Several awards are subject to future vesting through March 1, 2031, contingent on his continued service.
Iridium Communications director and chief operations officer Suzanne E. McBride reported multiple equity awards and a related tax-withholding transaction in common stock. On March 1, 2026, she acquired 133,611 shares through a grant and had 20,479 shares withheld at $22.49 per share to cover tax obligations. Additional grants of 7,329 and 34,247 shares on February 26, 2026 reflect restricted stock unit and performance-based RSU awards. Footnotes state these awards generally settle one share per unit and vest between March 2026 and March 2031, subject to her continued service with the company.
Iridium Communications Inc. Chief Financial Officer Vincent James O'Neill reported stock-based compensation activity in the form of restricted stock units (RSUs) and related tax withholding.
On March 1, 2026, he acquired 83,507 shares of common stock at no cost through a grant, and the filing notes RSUs certified as earned under the issuer's 2025 bonus plan that will vest on March 9, 2026, subject to continued service. A separate RSU award provides that 20% vests on March 1, 2027, with the remainder vesting quarterly until fully vested by March 1, 2031, also subject to continued service.
The filing also shows a 3,658‑share tax-withholding disposition on March 1, 2026 at $22.49 per share, where shares were withheld by the company to cover tax obligations, rather than sold in the open market. On February 26, 2026, he received an additional 5,066 shares via a grant at no cost. After these transactions, his directly held common stock balance reported in the filing is 132,378 shares.
Iridium Communications Inc. chief accounting officer Timothy Kapalka reported equity compensation and related tax withholding transactions in company common stock. On March 1, 2026, he acquired 13,569 shares at no cost from restricted stock units certified as earned under the 2025 bonus plan, and the resulting shares will vest on March 9, 2026 if his service continues through that date.
The same day, 1,871 shares were disposed of at $22.49 per share to cover tax withholding obligations, rather than an open-market sale. On February 26, 2026, he also received a separate RSU award covering 2,471 shares, with 34% vesting on March 1, 2027 and the remainder in equal quarterly installments until fully vested on March 1, 2029, subject to continued service.
Iridium Communications Inc. executive Timothy James Last, EVP of Sales & Marketing, reported equity compensation and related tax withholding transactions in company common stock. He received grants or awards totaling 66,805 shares on March 1, 2026 and 4,634 shares on February 26, 2026 at no per-share cost, reflecting restricted stock units under company plans with multi-year vesting schedules extending to March 1, 2031. The company withheld 3,883 shares at a price of $22.49 per share to satisfy his tax obligations. Following these transactions, he directly owned 116,767 shares of Iridium common stock.
Iridium Communications director Louis M. Alterman reported an equity grant tied to his board service. He received 10,822 restricted stock units, each representing a contingent right to one share of Iridium common stock at a price of $0 per unit. These restricted stock units were issued under Iridium’s director compensation plan and will vest on January 6, 2027, as long as he continues serving the company. After this grant, Alterman beneficially owns 13,698 shares of common stock directly.
Iridium Communications Inc. director Shivanandan Monique S. reported stock-based awards in the form of common stock and restricted stock units. On January 6, 2026, the director received 10,822 restricted stock units at a price of $0 per unit, increasing directly held common stock–linked interests to 15,809.8 shares. These restricted stock units each represent a contingent right to receive one share of Iridium common stock and are scheduled to vest on January 6, 2027, subject to continued service on the board and issued under the director compensation plan.
Separately, on December 31, 2025, the director accrued 42.7 additional common stock equivalents at $0 per share as dividend equivalent rights tied to existing restricted stock units, following the company’s previously declared quarterly cash dividend of $0.15 per share. After this dividend-related adjustment, the director beneficially owned 4,987.8 shares of common stock directly in that line item.
Iridium Communications Inc. director Thomas Fitzpatrick reported stock-based awards that increased his direct holdings. On December 31, 2025, he acquired 58.3 additional common shares at $0, representing dividend-equivalent rights tied to a quarterly cash dividend of $0.15 per share declared on December 4, 2025 and paid on December 31, 2025 to holders of record on December 15, 2025.
On January 6, 2026, he received 10,822 restricted stock units at $0 under Iridium’s director compensation plan. Each restricted stock unit represents a contingent right to receive one share of common stock and is scheduled to vest on January 6, 2027, subject to his continued service. After these awards, Fitzpatrick directly beneficially owned 241,914.7 shares of Iridium common stock.
Iridium Communications director Leon Anthony Frazier reported two stock-based awards. On December 31, 2025, he acquired 196 shares of common stock at $0 as dividend equivalent rights tied to existing restricted stock units, following a declared cash dividend of $0.15 per share. On January 6, 2026, he received an additional 10,822 restricted stock units at $0 under the issuer's director compensation plan, each representing one future share of common stock.
The new restricted stock units vest on January 6, 2027, subject to his continued service, and increased his directly held common stock and RSU-equivalent holdings to 46,228.9 shares after the latest grant.
Iridium Communications director A.B. Krongard reported stock-based awards and related holdings. On December 31, 2025, 885.9 dividend equivalent rights were credited at a value of $0, reflecting a $0.15 per share quarterly cash dividend on restricted stock units. Each right corresponds to one share of common stock and follows the same vesting and settlement terms as the underlying restricted stock units.
On January 6, 2026, the director received 14,744 restricted stock units at a price of $0, issued under the director compensation plan and including 3,111 units granted in lieu of $57,500 of cash fees. These restricted stock units vest on January 6, 2027, subject to continued service, bringing directly held common stock to 365,902.3 shares. An additional 160,983 shares are held indirectly by the Krongard Irrevocable Equity Trust for the benefit of the director’s children, with beneficial ownership disclaimed.
Iridium Communications director reports new stock awards. Director Robert H. Niehaus reported awards of Iridium Communications Inc. common stock. On December 31, 2025 he acquired 1,111.9 dividend-equivalent rights tied to a quarterly cash dividend of $0.15 per share previously declared by the board, with each right corresponding to one share deliverable when the underlying restricted stock units settle. On January 6, 2026 he received 17,315 restricted stock units, each representing a contingent right to one share of common stock, which vest on January 6, 2027 if he continues serving the company. After these awards, he directly beneficially owned 315,789.6 shares.
Iridium Communications director Eric T. Olson reported two equity-related grants of common stock-based awards. On December 31, 2025, he acquired 1,160.6 dividend equivalent rights tied to a quarterly cash dividend of $0.15 per share that the board declared on December 4, 2025, payable to stockholders of record on December 15, 2025. Each dividend equivalent right corresponds to one share of common stock deliverable when the related restricted stock units settle. On January 6, 2026, Olson was granted 11,633 restricted stock units under the company’s director compensation plan, each representing a contingent right to one share of common stock. These restricted stock units are scheduled to vest on January 6, 2027, subject to his continued service. Following these transactions, he beneficially owned 156,538.6 shares of common stock on a direct basis.
Iridium Communications Inc. director Sears Kay reported stock-based compensation awards. On December 31, 2025, 58.3 shares of common stock were credited as dividend equivalent rights on existing restricted stock units, reflecting a previously declared $0.15 per-share cash dividend. On January 6, 2026, Kay was granted 10,822 restricted stock units, each representing a contingent right to receive one share of Iridium common stock. These restricted stock units were issued under the company’s director compensation plan and are scheduled to vest on January 6, 2027, subject to continued service. Following these awards, Kay beneficially owned 30,025.6 shares of Iridium common stock in direct form.
Iridium Communications Inc. director Jacqueline E. Yeaney reported stock-based awards rather than open-market trades. On December 31, 2025, she acquired 58.3 shares of common stock equivalents at $0, reflecting dividend-equivalent rights credited on her restricted stock units after a $0.15 per-share quarterly dividend was declared. On January 6, 2026, she received a grant of 10,822 restricted stock units at $0 under the company’s director compensation plan, increasing her directly held common stock and RSU-related share equivalents to 25,251.3 shares. Each restricted stock unit represents a contingent right to receive one share of common stock and the shares underlying this award are scheduled to vest on January 6, 2027, subject to her continued service.
Iridium Communications Inc. director Thomas C. Canfield reported stock-based awards rather than open‑market trades. On December 31, 2025, he acquired 1,868.2 dividend equivalent rights tied to a quarterly cash dividend of $0.15 per share, credited on restricted stock units he already held. Each right is payable in one share of common stock when the related restricted stock units settle, on the same terms and vesting schedule.
On January 6, 2026, he received 14,204 restricted stock units at no cash cost, bringing his directly held common stock–equivalent position to 232,533.4 shares. These restricted stock units vest on January 6, 2027, subject to his continued service, and include 3,382 units issued in lieu of $62,500 in annual cash retainer and committee fees under the director compensation plan. He also has 36,682 shares held indirectly through the Thomas C. Canfield 2017 grantor retained annuity trust.
Iridium Communications Inc. (IRDM) disclosed an insider transaction on a Form 4. A director sold 20,839 shares of common stock at $18 on 10/31/2025 (transaction code S).
Following the sale, the director beneficially owned 231,034.4 shares, reported as Direct (D) ownership. The filing was made by one reporting person.
Iridium Communications (IRDM) reported an insider purchase by its Chief Executive Officer and Director. On 10/30/2025, the reporting person bought 20,000 shares of common stock at a weighted average price of $17.33 (Transaction Code P).
After the trade, the insider beneficially owned 1,127,019 shares, held directly. A footnote states the purchase occurred in multiple transactions within a price range of $16.96 to $17.65, and detailed breakdowns are available upon request.
Iridium Communications (IRDM) reported insider activity on a Form 4. A director sold 3,331 shares on 10/27/2025 at $18 and 6,797 shares on 10/28/2025 at a weighted average price between $18.00 and $18.005. Following these sales, the reporting person beneficially owned 251,873.4 shares. The filing notes that detailed trade prices within the stated range are available upon request.
Iridium Communications Inc. (IRDM): A company director reported an open‑market purchase of 30,000 shares of common stock on 10/28/2025, coded “P” for purchase. The weighted average price was $17.49, with individual trades executed between $17.29 and $17.71. Following the transaction, the director beneficially owned 297,362.7 shares, held directly.