IRIDIUM COMMUNICATIONS INC

Ticker: IRDM CUSIP: 46269C102 Class: Common Stock

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 177,720 Value ($000) $3,089 Avg Close $17.67 Range $15.65 - $20.23

Q3 2025

Shares 180,753 Value ($000) $3,156 Avg Close $24.71 Range $17.08 - $33.34

Q2 2025

Shares 165,450 Value ($000) $4,992 Avg Close $26.00 Range $19.91 - $30.49

Q1 2025

Shares 182,892 Value ($000) $4,997 Avg Close $29.31 Range $26.54 - $34.45

Q4 2024

Shares 188,144 Value ($000) $5,460 Avg Close $29.74 Range $27.15 - $35.85

Q3 2024

Shares 195,846 Value ($000) $5,964 Avg Close $27.25 Range $25.03 - $31.36

Q2 2024

Shares 202,568 Value ($000) $5,392 Avg Close $28.16 Range $24.14 - $32.24

Q1 2024

Shares 207,066 Value ($000) $5,417 Avg Close $32.53 Range $25.27 - $41.40

Q4 2023

Shares 205,286 Value ($000) $8,450 Avg Close $39.59 Range $34.21 - $45.75

Q3 2023

Shares 204,938 Value ($000) $9,323 Avg Close $51.79 Range $45.24 - $61.84

Q2 2023

Shares 234,332 Value ($000) $14,557 Avg Close $61.86 Range $58.00 - $68.34

Q1 2023

Shares 214,300 Value ($000) $13,272 Avg Close $59.85 Range $51.40 - $65.41

Q4 2022

Shares 213,020 Value ($000) $11 Avg Close $50.20 Range $44.50 - $53.61

Q3 2022

Shares 189,922 Value ($000) $8,427 Avg Close $43.34 Range $36.54 - $47.32

Q2 2022

Shares 159,393 Value ($000) $5,987 Avg Close $37.30 Range $32.88 - $42.69

Q1 2022

Shares 149,629 Value ($000) $6,033 Avg Close $37.66 Range $31.73 - $42.40

Q4 2021

Shares 114,422 Value ($000) $4,724 Avg Close $40.39 Range $36.34 - $43.87

Q3 2021

Shares 114,179 Value ($000) $4,550 Avg Close $41.97 Range $35.83 - $48.95

Q2 2021

Shares 93,696 Value ($000) $3,747 Avg Close $38.85 Range $32.85 - $43.14

Q1 2021

Shares 76,504 Value ($000) $3,156 Avg Close $43.77 Range $34.98 - $54.65

Q4 2020

Shares 90,871 Value ($000) $3,574 Avg Close $31.42 Range $25.03 - $39.95

Q3 2020

Shares 90,497 Value ($000) $2,315 Avg Close $27.52 Range $23.65 - $30.55

Q2 2020

Shares 49,255 Value ($000) $1,253 Avg Close $23.45 Range $19.18 - $27.41

Q1 2020

Shares 48,808 Value ($000) $1,090 Avg Close $25.89 Range $16.87 - $32.08

Q4 2019

Shares 32,888 Value ($000) $810 Avg Close $23.96 Range $19.70 - $26.40

Q3 2019

Shares 32,836 Value ($000) $699 Avg Close $23.83 Range $21.11 - $27.22

Q2 2019

Shares 32,914 Value ($000) $766 Avg Close $24.89 Range $20.67 - $28.24

Q1 2019

Shares 33,514 Value ($000) $886 Avg Close $21.52 Range $17.79 - $27.62

Q4 2018

Shares 33,215 Value ($000) $613 Avg Close $20.53 Range $16.64 - $24.35

Q3 2018

Shares 23,003 Value ($000) $518 Avg Close $19.42 Range $15.90 - $22.50

Q2 2018

Shares 17,745 Value ($000) $286 Avg Close $13.60 Range $10.95 - $17.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	177,720	$3,089	$17.67	$15.65 - $20.23
Q3 2025	180,753	$3,156	$24.71	$17.08 - $33.34
Q2 2025	165,450	$4,992	$26.00	$19.91 - $30.49
Q1 2025	182,892	$4,997	$29.31	$26.54 - $34.45
Q4 2024	188,144	$5,460	$29.74	$27.15 - $35.85
Q3 2024	195,846	$5,964	$27.25	$25.03 - $31.36
Q2 2024	202,568	$5,392	$28.16	$24.14 - $32.24
Q1 2024	207,066	$5,417	$32.53	$25.27 - $41.40
Q4 2023	205,286	$8,450	$39.59	$34.21 - $45.75
Q3 2023	204,938	$9,323	$51.79	$45.24 - $61.84
Q2 2023	234,332	$14,557	$61.86	$58.00 - $68.34
Q1 2023	214,300	$13,272	$59.85	$51.40 - $65.41
Q4 2022	213,020	$11	$50.20	$44.50 - $53.61
Q3 2022	189,922	$8,427	$43.34	$36.54 - $47.32
Q2 2022	159,393	$5,987	$37.30	$32.88 - $42.69
Q1 2022	149,629	$6,033	$37.66	$31.73 - $42.40
Q4 2021	114,422	$4,724	$40.39	$36.34 - $43.87
Q3 2021	114,179	$4,550	$41.97	$35.83 - $48.95
Q2 2021	93,696	$3,747	$38.85	$32.85 - $43.14
Q1 2021	76,504	$3,156	$43.77	$34.98 - $54.65
Q4 2020	90,871	$3,574	$31.42	$25.03 - $39.95
Q3 2020	90,497	$2,315	$27.52	$23.65 - $30.55
Q2 2020	49,255	$1,253	$23.45	$19.18 - $27.41
Q1 2020	48,808	$1,090	$25.89	$16.87 - $32.08
Q4 2019	32,888	$810	$23.96	$19.70 - $26.40
Q3 2019	32,836	$699	$23.83	$21.11 - $27.22
Q2 2019	32,914	$766	$24.89	$20.67 - $28.24
Q1 2019	33,514	$886	$21.52	$17.79 - $27.62
Q4 2018	33,215	$613	$20.53	$16.64 - $24.35
Q3 2018	23,003	$518	$19.42	$15.90 - $22.50
Q2 2018	17,745	$286	$13.60	$10.95 - $17.95