IRIDIUM COMMUNICATIONS INC

Ticker: IRDM CUSIP: 46269C102 Class: Common Stock

DUDLEY & SHANLEY, INC.'s Holding History (CIK: 0000883511)

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

Q1 2024

Shares 14,000 Value ($000) $366 Avg Close $32.53 Range $25.27 - $41.40

Q4 2023

Shares 521,335 Value ($000) $21,458 Avg Close $39.59 Range $34.21 - $45.75

Q3 2023

Shares 564,565 Value ($000) $25,682 Avg Close $51.79 Range $45.24 - $61.84

Q2 2023

Shares 519,565 Value ($000) $32,275 Avg Close $61.86 Range $58.00 - $68.34

Q1 2023

Shares 484,565 Value ($000) $30,009 Avg Close $59.85 Range $51.40 - $65.41

Q4 2022

Shares 667,385 Value ($000) $34,304 Avg Close $50.20 Range $44.50 - $53.61

Q3 2022

Shares 667,385 Value ($000) $29,612 Avg Close $43.34 Range $36.54 - $47.32

Q2 2022

Shares 667,385 Value ($000) $25,067 Avg Close $37.30 Range $32.88 - $42.69

Q1 2022

Shares 678,285 Value ($000) $27,348 Avg Close $37.66 Range $31.73 - $42.40

Q4 2021

Shares 678,285 Value ($000) $28,006 Avg Close $40.39 Range $36.34 - $43.87

Q3 2021

Shares 695,245 Value ($000) $27,706 Avg Close $41.97 Range $35.83 - $48.95

Q2 2021

Shares 711,695 Value ($000) $28,461 Avg Close $38.85 Range $32.85 - $43.14

Q1 2021

Shares 350,375 Value ($000) $14,453 Avg Close $43.77 Range $34.98 - $54.65

Q4 2020

Shares 853,425 Value ($000) $33,561 Avg Close $31.42 Range $25.03 - $39.95

Q3 2020

Shares 1,018,375 Value ($000) $26,050 Avg Close $27.52 Range $23.65 - $30.55

Q2 2020

Shares 1,087,129 Value ($000) $27,657 Avg Close $23.45 Range $19.18 - $27.41

Q1 2020

Shares 1,197,010 Value ($000) $26,729 Avg Close $25.89 Range $16.87 - $32.08

Q4 2019

Shares 1,137,785 Value ($000) $28,035 Avg Close $23.96 Range $19.70 - $26.40

Q3 2019

Shares 951,860 Value ($000) $20,256 Avg Close $23.83 Range $21.11 - $27.22

Q2 2019

Shares 869,850 Value ($000) $20,233 Avg Close $24.89 Range $20.67 - $28.24

Q1 2019

Shares 398,600 Value ($000) $10,539 Avg Close $21.52 Range $17.79 - $27.62

Q4 2018

Shares 96,400 Value ($000) $1,779 Avg Close $20.53 Range $16.64 - $24.35

Q3 2018

Shares 90,900 Value ($000) $2,045 Avg Close $19.42 Range $15.90 - $22.50

Q2 2018

Shares 99,000 Value ($000) $1,594 Avg Close $13.60 Range $10.95 - $17.95

Q4 2016

Shares 27,500 Value ($000) $264 Avg Close $8.92 Range $7.50 - $11.15

Q3 2016

Shares 16,700 Value ($000) $135 Avg Close $8.39 Range $6.80 - $9.37

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	14,000	$366	$32.53	$25.27 - $41.40
Q4 2023	521,335	$21,458	$39.59	$34.21 - $45.75
Q3 2023	564,565	$25,682	$51.79	$45.24 - $61.84
Q2 2023	519,565	$32,275	$61.86	$58.00 - $68.34
Q1 2023	484,565	$30,009	$59.85	$51.40 - $65.41
Q4 2022	667,385	$34,304	$50.20	$44.50 - $53.61
Q3 2022	667,385	$29,612	$43.34	$36.54 - $47.32
Q2 2022	667,385	$25,067	$37.30	$32.88 - $42.69
Q1 2022	678,285	$27,348	$37.66	$31.73 - $42.40
Q4 2021	678,285	$28,006	$40.39	$36.34 - $43.87
Q3 2021	695,245	$27,706	$41.97	$35.83 - $48.95
Q2 2021	711,695	$28,461	$38.85	$32.85 - $43.14
Q1 2021	350,375	$14,453	$43.77	$34.98 - $54.65
Q4 2020	853,425	$33,561	$31.42	$25.03 - $39.95
Q3 2020	1,018,375	$26,050	$27.52	$23.65 - $30.55
Q2 2020	1,087,129	$27,657	$23.45	$19.18 - $27.41
Q1 2020	1,197,010	$26,729	$25.89	$16.87 - $32.08
Q4 2019	1,137,785	$28,035	$23.96	$19.70 - $26.40
Q3 2019	951,860	$20,256	$23.83	$21.11 - $27.22
Q2 2019	869,850	$20,233	$24.89	$20.67 - $28.24
Q1 2019	398,600	$10,539	$21.52	$17.79 - $27.62
Q4 2018	96,400	$1,779	$20.53	$16.64 - $24.35
Q3 2018	90,900	$2,045	$19.42	$15.90 - $22.50
Q2 2018	99,000	$1,594	$13.60	$10.95 - $17.95
Q4 2016	27,500	$264	$8.92	$7.50 - $11.15
Q3 2016	16,700	$135	$8.39	$6.80 - $9.37