IRDM

Iridium Communications Inc.

Company with tickers: IRDM

CIK

1418819

CUSIP

46269C102

Shares Outstanding

105,727,744

13F Activity (30d)

313 filings 306 filers

Short Volume (Last 90 Days)

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-05-28	465,356	0	698,039	66.7%
2026-05-27	588,365	0	846,135	69.5%
2026-05-26	861,359	2,879	1,227,197	70.2%
2026-05-22	639,086	833	837,890	76.3%
2026-05-21	473,045	1,800	692,001	68.4%
2026-05-20	503,087	185	756,374	66.5%
2026-05-19	418,941	2	630,147	66.5%
2026-05-18	702,677	686	976,245	72.0%
2026-05-15	447,725	914	643,816	69.5%
2026-05-14	634,295	2,150	872,566	72.7%
2026-05-13	401,825	2,943	589,911	68.1%
2026-05-12	360,787	58	607,275	59.4%
2026-05-11	458,999	476	704,271	65.2%
2026-05-08	571,363	0	1,111,595	51.4%
2026-05-07	413,182	2,501	599,365	68.9%
2026-05-06	433,199	309	613,466	70.6%
2026-05-05	368,854	1,046	574,592	64.2%
2026-05-04	409,597	200	707,665	57.9%
2026-05-01	331,405	449	531,620	62.3%
2026-04-30	454,294	58	697,651	65.1%
2026-04-29	288,252	343	544,747	52.9%
2026-04-28	390,832	2,500	567,021	68.9%
2026-04-27	433,007	34,313	1,027,741	42.1%
2026-04-24	734,839	23,861	1,288,616	57.0%
2026-04-23	1,045,544	8,644	1,830,673	57.1%
2026-04-22	971,434	31	1,574,447	61.7%
2026-04-21	600,411	643	930,629	64.5%
2026-04-20	496,241	1,053	1,024,307	48.4%
2026-04-17	890,666	153,979	1,672,370	53.3%
2026-04-16	1,288,161	1,934	1,990,566	64.7%
2026-04-15	870,665	15,877	1,394,039	62.5%
2026-04-14	518,158	0	1,079,542	48.0%
2026-04-13	241,718	173	536,042	45.1%
2026-04-10	198,320	672	621,027	31.9%
2026-04-09	249,777	112	599,701	41.7%
2026-04-08	295,416	113	719,069	41.1%
2026-04-07	351,255	742	1,063,401	33.0%
2026-04-06	373,813	4,653	850,076	44.0%