IRIDIUM COMMUNICATIONS INC

Ticker: IRDM CUSIP: 46269C102 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 169,079 Value ($000) $2,939 Avg Close $17.67 Range $15.65 - $20.23

Q3 2025

Shares 198,117 Value ($000) $3,459 Avg Close $24.71 Range $17.08 - $33.34

Q2 2025

Shares 144,493 Value ($000) $4,359 Avg Close $26.00 Range $19.91 - $30.49

Q1 2025

Shares 183,015 Value ($000) $5,000 Avg Close $29.31 Range $26.54 - $34.45

Q4 2024

Shares 165,531 Value ($000) $4,804 Avg Close $29.74 Range $27.15 - $35.85

Q3 2024

Shares 184,532 Value ($000) $5,619 Avg Close $27.25 Range $25.03 - $31.36

Q2 2024

Shares 165,408 Value ($000) $4,403 Avg Close $28.16 Range $24.14 - $32.24

Q1 2024

Shares 200,143 Value ($000) $5,236 Avg Close $32.53 Range $25.27 - $41.40

Q4 2023

Shares 161,580 Value ($000) $6,651 Avg Close $39.59 Range $34.21 - $45.75

Q3 2023

Shares 162,148 Value ($000) $7,376 Avg Close $51.79 Range $45.24 - $61.84

Q2 2023

Shares 168,873 Value ($000) $10,490 Avg Close $61.86 Range $58.00 - $68.34

Q1 2023

Shares 286,993 Value ($000) $17,773 Avg Close $59.85 Range $51.40 - $65.41

Q4 2022

Shares 289,835 Value ($000) $14,898 Avg Close $50.20 Range $44.50 - $53.61

Q3 2022

Shares 287,621 Value ($000) $12,762 Avg Close $43.34 Range $36.54 - $47.32

Q2 2022

Shares 294,573 Value ($000) $11,064 Avg Close $37.30 Range $32.88 - $42.69

Q1 2022

Shares 297,260 Value ($000) $11,986 Avg Close $37.66 Range $31.73 - $42.40

Q4 2021

Shares 300,200 Value ($000) $12,395 Avg Close $40.39 Range $36.34 - $43.87

Q3 2021

Shares 299,264 Value ($000) $11,926 Avg Close $41.97 Range $35.83 - $48.95

Q2 2021

Shares 288,864 Value ($000) $11,552 Avg Close $38.85 Range $32.85 - $43.14

Q1 2021

Shares 294,814 Value ($000) $12,161 Avg Close $43.77 Range $34.98 - $54.65

Q4 2020

Shares 190,797 Value ($000) $7,503 Avg Close $31.42 Range $25.03 - $39.95

Q3 2020

Shares 190,797 Value ($000) $4,881 Avg Close $27.52 Range $23.65 - $30.55

Q2 2020

Shares 188,990 Value ($000) $4,808 Avg Close $23.45 Range $19.18 - $27.41

Q1 2020

Shares 154,940 Value ($000) $3,460 Avg Close $25.89 Range $16.87 - $32.08

Q4 2019

Shares 154,740 Value ($000) $3,813 Avg Close $23.96 Range $19.70 - $26.40

Q3 2019

Shares 154,540 Value ($000) $3,289 Avg Close $23.83 Range $21.11 - $27.22

Q2 2019

Shares 171,800 Value ($000) $3,996 Avg Close $24.89 Range $20.67 - $28.24

Q1 2019

Shares 123,900 Value ($000) $3,276 Avg Close $21.52 Range $17.79 - $27.62

Q4 2018

Shares 105,000 Value ($000) $1,937 Avg Close $20.53 Range $16.64 - $24.35

Q3 2018

Shares 113,900 Value ($000) $2,563 Avg Close $19.42 Range $15.90 - $22.50

Q2 2018

Shares 116,500 Value ($000) $1,876 Avg Close $13.60 Range $10.95 - $17.95

Q1 2018

Shares 107,800 Value ($000) $1,213 Avg Close $11.97 Range $10.75 - $13.25

Q4 2017

Shares 105,500 Value ($000) $1,245 Avg Close $11.56 Range $9.95 - $12.90

Q3 2017

Shares 100,540 Value ($000) $1,036 Avg Close $10.37 Range $9.68 - $11.50

Q2 2017

Shares 100,540 Value ($000) $1,111 Avg Close $10.45 Range $9.40 - $11.58

Q1 2017

Shares 100,540 Value ($000) $970 Avg Close $9.54 Range $7.80 - $11.54

Q4 2016

Shares 100,540 Value ($000) $965 Avg Close $8.92 Range $7.50 - $11.15

Q3 2016

Shares 100,540 Value ($000) $815 Avg Close $8.39 Range $6.80 - $9.37

Q2 2016

Shares 106,240 Value ($000) $943 Avg Close $8.22 Range $7.15 - $8.88

Q1 2016

Shares 106,240 Value ($000) $836 Avg Close $7.19 Range $6.14 - $8.53

Q4 2015

Shares 106,240 Value ($000) $893 Avg Close $7.62 Range $5.85 - $8.99

Q3 2015

Shares 105,440 Value ($000) $648 Avg Close $7.26 Range $5.98 - $9.35

Q2 2015

Shares 105,600 Value ($000) $960 Avg Close $10.28 Range $9.00 - $11.36

Q1 2015

Shares 98,700 Value ($000) $958 Avg Close $9.32 Range $8.24 - $9.94

Q4 2014

Shares 98,700 Value ($000) $962 Avg Close $9.35 Range $8.15 - $10.50

Q3 2014

Shares 98,700 Value ($000) $873 Avg Close $8.67 Range $7.85 - $9.54

Q2 2014

Shares 98,700 Value ($000) $835 Avg Close $7.52 Range $6.12 - $8.49

Q1 2014

Shares 79,727 Value ($000) $599 Avg Close $6.69 Range $5.95 - $7.95

Q4 2013

Shares 78,900 Value ($000) $494 Avg Close $6.04 Range $5.37 - $6.91

Q3 2013

Shares 88,100 Value ($000) $606 Avg Close $7.49 Range $6.35 - $9.22

Q2 2013

Shares 92,845 Value ($000) $720 Avg Close $7.03 Range $5.98 - $7.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	169,079	$2,939	$17.67	$15.65 - $20.23
Q3 2025	198,117	$3,459	$24.71	$17.08 - $33.34
Q2 2025	144,493	$4,359	$26.00	$19.91 - $30.49
Q1 2025	183,015	$5,000	$29.31	$26.54 - $34.45
Q4 2024	165,531	$4,804	$29.74	$27.15 - $35.85
Q3 2024	184,532	$5,619	$27.25	$25.03 - $31.36
Q2 2024	165,408	$4,403	$28.16	$24.14 - $32.24
Q1 2024	200,143	$5,236	$32.53	$25.27 - $41.40
Q4 2023	161,580	$6,651	$39.59	$34.21 - $45.75
Q3 2023	162,148	$7,376	$51.79	$45.24 - $61.84
Q2 2023	168,873	$10,490	$61.86	$58.00 - $68.34
Q1 2023	286,993	$17,773	$59.85	$51.40 - $65.41
Q4 2022	289,835	$14,898	$50.20	$44.50 - $53.61
Q3 2022	287,621	$12,762	$43.34	$36.54 - $47.32
Q2 2022	294,573	$11,064	$37.30	$32.88 - $42.69
Q1 2022	297,260	$11,986	$37.66	$31.73 - $42.40
Q4 2021	300,200	$12,395	$40.39	$36.34 - $43.87
Q3 2021	299,264	$11,926	$41.97	$35.83 - $48.95
Q2 2021	288,864	$11,552	$38.85	$32.85 - $43.14
Q1 2021	294,814	$12,161	$43.77	$34.98 - $54.65
Q4 2020	190,797	$7,503	$31.42	$25.03 - $39.95
Q3 2020	190,797	$4,881	$27.52	$23.65 - $30.55
Q2 2020	188,990	$4,808	$23.45	$19.18 - $27.41
Q1 2020	154,940	$3,460	$25.89	$16.87 - $32.08
Q4 2019	154,740	$3,813	$23.96	$19.70 - $26.40
Q3 2019	154,540	$3,289	$23.83	$21.11 - $27.22
Q2 2019	171,800	$3,996	$24.89	$20.67 - $28.24
Q1 2019	123,900	$3,276	$21.52	$17.79 - $27.62
Q4 2018	105,000	$1,937	$20.53	$16.64 - $24.35
Q3 2018	113,900	$2,563	$19.42	$15.90 - $22.50
Q2 2018	116,500	$1,876	$13.60	$10.95 - $17.95
Q1 2018	107,800	$1,213	$11.97	$10.75 - $13.25
Q4 2017	105,500	$1,245	$11.56	$9.95 - $12.90
Q3 2017	100,540	$1,036	$10.37	$9.68 - $11.50
Q2 2017	100,540	$1,111	$10.45	$9.40 - $11.58
Q1 2017	100,540	$970	$9.54	$7.80 - $11.54
Q4 2016	100,540	$965	$8.92	$7.50 - $11.15
Q3 2016	100,540	$815	$8.39	$6.80 - $9.37
Q2 2016	106,240	$943	$8.22	$7.15 - $8.88
Q1 2016	106,240	$836	$7.19	$6.14 - $8.53
Q4 2015	106,240	$893	$7.62	$5.85 - $8.99
Q3 2015	105,440	$648	$7.26	$5.98 - $9.35
Q2 2015	105,600	$960	$10.28	$9.00 - $11.36
Q1 2015	98,700	$958	$9.32	$8.24 - $9.94
Q4 2014	98,700	$962	$9.35	$8.15 - $10.50
Q3 2014	98,700	$873	$8.67	$7.85 - $9.54
Q2 2014	98,700	$835	$7.52	$6.12 - $8.49
Q1 2014	79,727	$599	$6.69	$5.95 - $7.95
Q4 2013	78,900	$494	$6.04	$5.37 - $6.91
Q3 2013	88,100	$606	$7.49	$6.35 - $9.22
Q2 2013	92,845	$720	$7.03	$5.98 - $7.85