SPOK HLDGS INC

Ticker: SPOK CUSIP: 84863T106 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 217,094 Value ($000) $2,863 Avg Close $14.16 Range $12.26 - $17.31

Q3 2025

Shares 240,986 Value ($000) $4,157 Avg Close $17.80 Range $16.94 - $19.31

Q2 2025

Shares 243,003 Value ($000) $4,296 Avg Close $16.13 Range $13.55 - $17.75

Q1 2025

Shares 216,782 Value ($000) $3,564 Avg Close $16.26 Range $15.32 - $17.96

Q4 2024

Shares 207,068 Value ($000) $3,323 Avg Close $15.84 Range $14.41 - $17.17

Q3 2024

Shares 198,893 Value ($000) $2,995 Avg Close $15.20 Range $14.09 - $16.83

Q2 2024

Shares 196,413 Value ($000) $2,909 Avg Close $15.09 Range $13.24 - $16.21

Q1 2024

Shares 203,496 Value ($000) $3,246 Avg Close $16.46 Range $14.78 - $18.14

Q4 2023

Shares 202,117 Value ($000) $3,129 Avg Close $15.39 Range $13.53 - $18.05

Q3 2023

Shares 186,295 Value ($000) $2,658 Avg Close $13.43 Range $10.46 - $15.97

Q2 2023

Shares 186,762 Value ($000) $2,482 Avg Close $12.55 Range $10.66 - $13.84

Q1 2023

Shares 73,801 Value ($000) $748 Avg Close $9.13 Range $8.05 - $10.84

Q4 2022

Shares 71,279 Value ($000) $584 Avg Close $8.12 Range $7.53 - $8.91

Q3 2022

Shares 69,939 Value ($000) $534 Avg Close $6.94 Range $6.13 - $7.72

Q2 2022

Shares 68,133 Value ($000) $429 Avg Close $7.28 Range $6.18 - $8.16

Q1 2022

Shares 67,764 Value ($000) $541 Avg Close $9.08 Range $7.96 - $10.14

Q4 2021

Shares 70,128 Value ($000) $654 Avg Close $9.81 Range $8.59 - $11.46

Q3 2021

Shares 67,722 Value ($000) $691 Avg Close $8.98 Range $7.16 - $10.84

Q2 2021

Shares 84,830 Value ($000) $816 Avg Close $10.68 Range $9.41 - $11.94

Q1 2021

Shares 222,086 Value ($000) $2,329 Avg Close $11.44 Range $10.00 - $12.86

Q4 2020

Shares 254,662 Value ($000) $2,834 Avg Close $9.87 Range $8.61 - $11.30

Q3 2020

Shares 273,109 Value ($000) $2,597 Avg Close $9.99 Range $8.63 - $11.15

Q2 2020

Shares 280,178 Value ($000) $2,619 Avg Close $10.36 Range $8.95 - $11.94

Q1 2020

Shares 280,764 Value ($000) $3,002 Avg Close $10.74 Range $8.53 - $12.33

Q4 2019

Shares 271,181 Value ($000) $3,317 Avg Close $11.80 Range $11.00 - $13.01

Q3 2019

Shares 273,312 Value ($000) $3,263 Avg Close $12.92 Range $11.12 - $15.57

Q2 2019

Shares 246,256 Value ($000) $3,703 Avg Close $14.84 Range $13.36 - $17.25

Q1 2019

Shares 251,265 Value ($000) $3,422 Avg Close $13.88 Range $13.15 - $14.92

Q4 2018

Shares 265,356 Value ($000) $3,519 Avg Close $14.41 Range $12.21 - $15.69

Q3 2018

Shares 268,548 Value ($000) $4,136 Avg Close $15.11 Range $14.10 - $15.85

Q2 2018

Shares 267,737 Value ($000) $4,029 Avg Close $15.05 Range $14.16 - $15.85

Q1 2018

Shares 271,682 Value ($000) $4,062 Avg Close $15.13 Range $13.75 - $16.25

Q4 2017

Shares 270,524 Value ($000) $4,234 Avg Close $16.76 Range $15.18 - $18.85

Q3 2017

Shares 278,883 Value ($000) $4,280 Avg Close $16.33 Range $14.45 - $18.05

Q2 2017

Shares 283,925 Value ($000) $5,026 Avg Close $17.90 Range $16.50 - $20.60

Q1 2017

Shares 278,690 Value ($000) $5,295 Avg Close $19.40 Range $17.40 - $22.60

Q4 2016

Shares 274,468 Value ($000) $5,696 Avg Close $18.57 Range $16.05 - $21.85

Q3 2016

Shares 332,260 Value ($000) $5,920 Avg Close $18.00 Range $16.24 - $20.96

Q2 2016

Shares 327,164 Value ($000) $6,270 Avg Close $17.44 Range $16.04 - $19.31

Q1 2016

Shares 317,048 Value ($000) $5,484 Avg Close $17.01 Range $15.49 - $18.31

Q4 2015

Shares 315,887 Value ($000) $5,787 Avg Close $17.71 Range $15.58 - $19.08

Q3 2015

Shares 342,933 Value ($000) $5,645 Avg Close $16.55 Range $15.26 - $17.84

Q2 2015

Shares 255,882 Value ($000) $4,309 Avg Close $18.28 Range $15.93 - $21.73

Q1 2015

Shares 368,302 Value ($000) $7,061 Avg Close $18.36 Range $16.27 - $20.45

Q4 2014

Shares 293,259 Value ($000) $5,090 Avg Close $15.59 Range $12.93 - $17.95

Q3 2014

Shares 299,485 Value ($000) $3,896 Avg Close $14.87 Range $13.00 - $18.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	217,094	$2,863	$14.16	$12.26 - $17.31
Q3 2025	240,986	$4,157	$17.80	$16.94 - $19.31
Q2 2025	243,003	$4,296	$16.13	$13.55 - $17.75
Q1 2025	216,782	$3,564	$16.26	$15.32 - $17.96
Q4 2024	207,068	$3,323	$15.84	$14.41 - $17.17
Q3 2024	198,893	$2,995	$15.20	$14.09 - $16.83
Q2 2024	196,413	$2,909	$15.09	$13.24 - $16.21
Q1 2024	203,496	$3,246	$16.46	$14.78 - $18.14
Q4 2023	202,117	$3,129	$15.39	$13.53 - $18.05
Q3 2023	186,295	$2,658	$13.43	$10.46 - $15.97
Q2 2023	186,762	$2,482	$12.55	$10.66 - $13.84
Q1 2023	73,801	$748	$9.13	$8.05 - $10.84
Q4 2022	71,279	$584	$8.12	$7.53 - $8.91
Q3 2022	69,939	$534	$6.94	$6.13 - $7.72
Q2 2022	68,133	$429	$7.28	$6.18 - $8.16
Q1 2022	67,764	$541	$9.08	$7.96 - $10.14
Q4 2021	70,128	$654	$9.81	$8.59 - $11.46
Q3 2021	67,722	$691	$8.98	$7.16 - $10.84
Q2 2021	84,830	$816	$10.68	$9.41 - $11.94
Q1 2021	222,086	$2,329	$11.44	$10.00 - $12.86
Q4 2020	254,662	$2,834	$9.87	$8.61 - $11.30
Q3 2020	273,109	$2,597	$9.99	$8.63 - $11.15
Q2 2020	280,178	$2,619	$10.36	$8.95 - $11.94
Q1 2020	280,764	$3,002	$10.74	$8.53 - $12.33
Q4 2019	271,181	$3,317	$11.80	$11.00 - $13.01
Q3 2019	273,312	$3,263	$12.92	$11.12 - $15.57
Q2 2019	246,256	$3,703	$14.84	$13.36 - $17.25
Q1 2019	251,265	$3,422	$13.88	$13.15 - $14.92
Q4 2018	265,356	$3,519	$14.41	$12.21 - $15.69
Q3 2018	268,548	$4,136	$15.11	$14.10 - $15.85
Q2 2018	267,737	$4,029	$15.05	$14.16 - $15.85
Q1 2018	271,682	$4,062	$15.13	$13.75 - $16.25
Q4 2017	270,524	$4,234	$16.76	$15.18 - $18.85
Q3 2017	278,883	$4,280	$16.33	$14.45 - $18.05
Q2 2017	283,925	$5,026	$17.90	$16.50 - $20.60
Q1 2017	278,690	$5,295	$19.40	$17.40 - $22.60
Q4 2016	274,468	$5,696	$18.57	$16.05 - $21.85
Q3 2016	332,260	$5,920	$18.00	$16.24 - $20.96
Q2 2016	327,164	$6,270	$17.44	$16.04 - $19.31
Q1 2016	317,048	$5,484	$17.01	$15.49 - $18.31
Q4 2015	315,887	$5,787	$17.71	$15.58 - $19.08
Q3 2015	342,933	$5,645	$16.55	$15.26 - $17.84
Q2 2015	255,882	$4,309	$18.28	$15.93 - $21.73
Q1 2015	368,302	$7,061	$18.36	$16.27 - $20.45
Q4 2014	293,259	$5,090	$15.59	$12.93 - $17.95
Q3 2014	299,485	$3,896	$14.87	$13.00 - $18.30