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The amount acquired in column 4 represents equivalent rights accrued as a result of the Dividend on restricted stock units with respect to the Issuer's common stock (\"Original RSUs\") held by the reporting person. Each dividend equivalent right entitles the reporting person to receive one share of the Issuer's common stock upon the settlement of the Original RSUs and is subject to the same terms and conditions, including vesting and settlement, as the Original RSUs to which it relates. The grant of dividend equivalent rights was approved by the Issuer's board of directors pursuant to Rule 16b-3 of the Securities Exchange Act of 1934, as amended."}],"balance_after":46610.5,"source":{"system":"sec-edgar","filing":"0001123292-26-001360","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418819/000112329226001360/form4.xml","form_type":"4"}},{"id":4634928,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":22822,"kind":"person","name":"YEANEY JACQUELINE E","position":1,"cik":"0001318063","reported_name":"YEANEY JACQUELINE E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-03T01:03:01.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":34.2,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On August 10, 2026, the Issuer's board of directors declared a quarterly cash dividend in the amount of $0.15 per share of its common stock, payable on September 30, 2026 to stockholders of record of the common stock at the close of business on September 15, 2026 (the \"Dividend\"). The amount acquired in column 4 represents equivalent rights accrued as a result of the Dividend on restricted stock units with respect to the Issuer's common stock (\"Original RSUs\") held by the reporting person. Each dividend equivalent right entitles the reporting person to receive one share of the Issuer's common stock upon the settlement of the Original RSUs and is subject to the same terms and conditions, including vesting and settlement, as the Original RSUs to which it relates. The grant of dividend equivalent rights was approved by the Issuer's board of directors pursuant to Rule 16b-3 of the Securities Exchange Act of 1934, as amended."}],"balance_after":25373.8,"source":{"system":"sec-edgar","filing":"0001123292-26-001359","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418819/000112329226001359/form4.xml","form_type":"4"}},{"id":4634936,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":32794,"kind":"person","name":"Sears Kay","position":1,"cik":"0001914535","reported_name":"Sears Kay","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-03T01:02:09.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":34.2,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On August 10, 2026, the Issuer's board of directors declared a quarterly cash dividend in the amount of $0.15 per share of its common stock, payable on September 30, 2026 to stockholders of record of the common stock at the close of business on September 15, 2026 (the \"Dividend\"). The amount acquired in column 4 represents equivalent rights accrued as a result of the Dividend on restricted stock units with respect to the Issuer's common stock (\"Original RSUs\") held by the reporting person. Each dividend equivalent right entitles the reporting person to receive one share of the Issuer's common stock upon the settlement of the Original RSUs and is subject to the same terms and conditions, including vesting and settlement, as the Original RSUs to which it relates. 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The amount acquired in column 4 represents equivalent rights accrued as a result of the Dividend on restricted stock units with respect to the Issuer's common stock (\"Original RSUs\") held by the reporting person. Each dividend equivalent right entitles the reporting person to receive one share of the Issuer's common stock upon the settlement of the Original RSUs and is subject to the same terms and conditions, including vesting and settlement, as the Original RSUs to which it relates. The grant of dividend equivalent rights was approved by the Issuer's board of directors pursuant to Rule 16b-3 of the Securities Exchange Act of 1934, as amended."}],"balance_after":13853.1,"source":{"system":"sec-edgar","filing":"0001123292-26-001357","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1623397/000112329226001357/form4.xml","form_type":"4"}},{"id":4634942,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":32795,"kind":"person","name":"Shivanandan Monique S.","position":1,"cik":"0002070727","reported_name":"Shivanandan Monique S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-03T00:57:28.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":49.9,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On August 10, 2026, the Issuer's board of directors declared a quarterly cash dividend in the amount of $0.15 per share of its common stock, payable on September 30, 2026 to stockholders of record of the common stock at the close of business on September 15, 2026 (the \"Dividend\"). The amount acquired in column 4 represents equivalent rights accrued as a result of the Dividend on restricted stock units with respect to the Issuer's common stock (\"Original RSUs\") held by the reporting person. Each dividend equivalent right entitles the reporting person to receive one share of the Issuer's common stock upon the settlement of the Original RSUs and is subject to the same terms and conditions, including vesting and settlement, as the Original RSUs to which it relates. 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The amount acquired in column 4 represents equivalent rights accrued as a result of the Dividend on restricted stock units with respect to the Issuer's common stock (\"Original RSUs\") held by the reporting person. Each dividend equivalent right entitles the reporting person to receive one share of the Issuer's common stock upon the settlement of the Original RSUs and is subject to the same terms and conditions, including vesting and settlement, as the Original RSUs to which it relates. 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The amount acquired in column 4 represents equivalent rights accrued as a result of the Dividend on restricted stock units with respect to the Issuer's common stock (\"Original RSUs\") held by the reporting person. Each dividend equivalent right entitles the reporting person to receive one share of the Issuer's common stock upon the settlement of the Original RSUs and is subject to the same terms and conditions, including vesting and settlement, as the Original RSUs to which it relates. 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These shares were sold in multiple transactions at prices ranging from $49.16 to $49.30, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4."}],"balance_after":43259.6,"source":{"system":"sec-edgar","filing":"0001123292-26-001145","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418819/000112329226001145/form4.xml","form_type":"4"}},{"id":681226,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":21603,"kind":"person","name":"FITZPATRICK THOMAS","position":1,"cik":"0001229996","reported_name":"FITZPATRICK THOMAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-19T22:26:19.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":209233,"price":50.22,"value":10507681.26,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price is a weighted average price. 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The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4."}],"balance_after":93413,"source":{"system":"sec-edgar","filing":"0001123292-26-001144","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2046045/000112329226001144/form4.xml","form_type":"4"}},{"id":681768,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":838,"kind":"person","name":"Last Timothy James","position":1,"cik":"0002046045","reported_name":"Last Timothy James","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Sales & Marketing"}}],"security":"Common Stock","published_at":"2026-08-19T22:26:04.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":19021,"price":50.33,"value":957326.93,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.84 to $50.84, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4."}],"balance_after":93913,"source":{"system":"sec-edgar","filing":"0001123292-26-001144","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2046045/000112329226001144/form4.xml","form_type":"4"}},{"id":681425,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":841,"kind":"person","name":"Kapalka Timothy","position":1,"cik":"0001715998","reported_name":"Kapalka Timothy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO Iridium Satellite LLC"}}],"security":"Common Stock","published_at":"2026-08-19T22:25:49.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":13473,"price":50.51,"value":680521.23,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.02 to $50.89, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4."}],"balance_after":35731,"source":{"system":"sec-edgar","filing":"0001123292-26-001143","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1715998/000112329226001143/form4.xml","form_type":"4"}},{"id":681225,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":837,"kind":"person","name":"McBride Suzanne E.","position":1,"cik":"0001767205","reported_name":"McBride Suzanne E.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operations Officer"}}],"security":"Common Stock","published_at":"2026-08-19T22:25:33.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":85454,"price":50.28,"value":4296627.12,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.00 to $50.90, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4."}],"balance_after":282017,"source":{"system":"sec-edgar","filing":"0001123292-26-001142","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418819/000112329226001142/form4.xml","form_type":"4"}},{"id":681654,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":834,"kind":"person","name":"Morgan Kathleen A.","position":1,"cik":"0001897799","reported_name":"Morgan Kathleen A.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-08-19T22:25:18.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":544,"price":50.85,"value":27662.4,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.845 to $50.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4."}],"balance_after":124871,"source":{"system":"sec-edgar","filing":"0001123292-26-001141","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1897799/000112329226001141/form4.xml","form_type":"4"}},{"id":681653,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":834,"kind":"person","name":"Morgan Kathleen A.","position":1,"cik":"0001897799","reported_name":"Morgan Kathleen A.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-08-19T22:25:18.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":32648,"price":50.34,"value":1643500.32,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.84 to $50.84, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4."}],"balance_after":125415,"source":{"system":"sec-edgar","filing":"0001123292-26-001141","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1897799/000112329226001141/form4.xml","form_type":"4"}},{"id":681224,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":645,"kind":"person","name":"Olson Eric T","position":1,"cik":"0001535177","reported_name":"Olson Eric T","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-19T22:25:00.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":8000,"price":50.61,"value":404880.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.565 to $50.65, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4."}],"balance_after":149680.1,"source":{"system":"sec-edgar","filing":"0001123292-26-001140","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418819/000112329226001140/form4.xml","form_type":"4"}},{"id":681222,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":21601,"kind":"person","name":"NIEHAUS ROBERT H","position":1,"cik":"0001241677","reported_name":"NIEHAUS ROBERT H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-19T22:24:29.000Z","date":"2026-08-17","kind":"gift","planned":false,"acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":266910.2,"source":{"system":"sec-edgar","filing":"0001123292-26-001139","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418819/000112329226001139/form4.xml","form_type":"4"}},{"id":710589,"issuer":{"id":833,"kind":"organization","name":"Iridium Communications Inc.","symbol":"IRDM"},"owners":[{"id":30807,"kind":"person","name":"Thoma Donald Lee","position":1,"cik":"0001472725","reported_name":"Thoma Donald Lee","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Aireon"}}],"security":"Common Stock","published_at":"2026-07-13T23:22:11.000Z","date":"2026-07-10","kind":"grant","planned":false,"acquired":true,"shares":41949,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares are represented by restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. 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The amount acquired in column 4 represents equivalent rights accrued as a result of the Dividend on restricted stock units with respect to the Issuer's common stock (\"Original RSUs\") held by the reporting person. Each dividend equivalent right entitles the reporting person to receive one share of the Issuer's common stock upon the settlement of the Original RSUs and is subject to the same terms and conditions, including vesting and settlement, as the Original RSUs to which it relates. 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Each RSU represents a contingent right to receive one share of common stock of the issuer. 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