AMERICAN PUBLIC EDUCATION IN

Ticker: APEI CUSIP: 02913V103 Class: Common Stock

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

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

Q4 2025

Shares 168,391 Value ($000) $6,365 Avg Close $35.80 Range $30.20 - $39.83

Q3 2025

Shares 178,762 Value ($000) $7,056 Avg Close $31.74 Range $27.74 - $39.73

Q2 2025

Shares 181,945 Value ($000) $5,542 Avg Close $26.44 Range $20.75 - $31.62

Q1 2025

Shares 141,153 Value ($000) $3,151 Avg Close $21.67 Range $18.77 - $25.60

Q4 2024

Shares 147,446 Value ($000) $3,180 Avg Close $17.98 Range $13.45 - $23.84

Q3 2024

Shares 141,087 Value ($000) $2,081 Avg Close $16.37 Range $11.80 - $20.96

Q2 2024

Shares 56,015 Value ($000) $985 Avg Close $15.70 Range $12.24 - $21.04

Q1 2024

Shares 48,353 Value ($000) $687 Avg Close $11.75 Range $9.65 - $16.39

Q4 2023

Shares 48,300 Value ($000) $466 Avg Close $6.36 Range $4.05 - $10.20

Q3 2023

Shares 48,397 Value ($000) $241 Avg Close $5.12 Range $4.43 - $6.04

Q2 2023

Shares 48,096 Value ($000) $228 Avg Close $5.44 Range $3.76 - $6.86

Q1 2023

Shares 163,377 Value ($000) $886 Avg Close $10.49 Range $3.78 - $13.74

Q4 2022

Shares 169,358 Value ($000) $2,081 Avg Close $12.40 Range $8.90 - $14.22

Q3 2022

Shares 184,760 Value ($000) $1,689 Avg Close $12.42 Range $7.83 - $16.79

Q2 2022

Shares 202,257 Value ($000) $3,269 Avg Close $17.04 Range $12.82 - $22.59

Q1 2022

Shares 203,329 Value ($000) $4,319 Avg Close $21.07 Range $16.97 - $24.73

Q4 2021

Shares 223,992 Value ($000) $4,982 Avg Close $23.76 Range $18.11 - $26.66

Q3 2021

Shares 237,524 Value ($000) $6,084 Avg Close $27.39 Range $24.75 - $29.95

Q2 2021

Shares 243,031 Value ($000) $6,886 Avg Close $30.19 Range $24.97 - $36.91

Q1 2021

Shares 214,262 Value ($000) $7,634 Avg Close $31.31 Range $25.50 - $39.19

Q4 2020

Shares 246,663 Value ($000) $7,519 Avg Close $30.75 Range $25.35 - $35.92

Q3 2020

Shares 256,795 Value ($000) $7,239 Avg Close $30.40 Range $26.80 - $41.09

Q2 2020

Shares 263,343 Value ($000) $7,794 Avg Close $27.98 Range $20.56 - $34.63

Q1 2020

Shares 210,863 Value ($000) $5,046 Avg Close $24.34 Range $18.47 - $29.54

Q4 2019

Shares 210,747 Value ($000) $5,772 Avg Close $24.43 Range $21.51 - $29.00

Q3 2019

Shares 219,537 Value ($000) $4,903 Avg Close $27.45 Range $22.29 - $34.00

Q2 2019

Shares 218,319 Value ($000) $6,457 Avg Close $30.62 Range $27.85 - $34.97

Q1 2019

Shares 214,518 Value ($000) $6,461 Avg Close $30.83 Range $27.20 - $34.86

Q4 2018

Shares 215,915 Value ($000) $6,145 Avg Close $30.66 Range $26.37 - $37.00

Q3 2018

Shares 216,821 Value ($000) $7,165 Avg Close $38.29 Range $30.45 - $46.15

Q2 2018

Shares 211,554 Value ($000) $8,908 Avg Close $41.81 Range $36.55 - $45.75

Q1 2018

Shares 206,148 Value ($000) $8,864 Avg Close $30.67 Range $23.15 - $45.75

Q4 2017

Shares 203,520 Value ($000) $5,098 Avg Close $23.30 Range $19.30 - $27.40

Q3 2017

Shares 210,470 Value ($000) $4,429 Avg Close $20.33 Range $17.40 - $24.10

Q2 2017

Shares 212,475 Value ($000) $5,024 Avg Close $22.88 Range $20.65 - $26.30

Q1 2017

Shares 199,648 Value ($000) $4,572 Avg Close $23.24 Range $19.35 - $26.20

Q4 2016

Shares 193,366 Value ($000) $4,747 Avg Close $22.36 Range $14.75 - $27.20

Q3 2016

Shares 224,358 Value ($000) $4,445 Avg Close $24.22 Range $18.53 - $30.79

Q2 2016

Shares 221,257 Value ($000) $6,218 Avg Close $24.83 Range $19.25 - $28.64

Q1 2016

Shares 225,190 Value ($000) $4,761 Avg Close $17.56 Range $13.80 - $22.50

Q4 2015

Shares 223,857 Value ($000) $4,166 Avg Close $21.97 Range $18.56 - $25.17

Q3 2015

Shares 213,739 Value ($000) $5,011 Avg Close $23.89 Range $19.22 - $27.26

Q2 2015

Shares 198,298 Value ($000) $5,100 Avg Close $26.99 Range $21.30 - $32.56

Q1 2015

Shares 243,501 Value ($000) $7,300 Avg Close $33.33 Range $29.13 - $37.08

Q4 2014

Shares 240,220 Value ($000) $8,856 Avg Close $32.47 Range $26.24 - $37.46

Q3 2014

Shares 245,818 Value ($000) $6,635 Avg Close $31.51 Range $26.98 - $36.47

Q2 2014

Shares 221,264 Value ($000) $7,607 Avg Close $34.85 Range $32.51 - $38.00

Q1 2014

Shares 277,221 Value ($000) $9,725 Avg Close $40.58 Range $33.47 - $46.62

Q4 2013

Shares 259,113 Value ($000) $11,264 Avg Close $41.26 Range $34.40 - $46.69

Q3 2013

Shares 275,420 Value ($000) $10,411 Avg Close $39.36 Range $36.65 - $41.15

Q2 2013

Shares 282,878 Value ($000) $10,511 Avg Close $36.06 Range $31.95 - $39.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	168,391	$6,365	$35.80	$30.20 - $39.83
Q3 2025	178,762	$7,056	$31.74	$27.74 - $39.73
Q2 2025	181,945	$5,542	$26.44	$20.75 - $31.62
Q1 2025	141,153	$3,151	$21.67	$18.77 - $25.60
Q4 2024	147,446	$3,180	$17.98	$13.45 - $23.84
Q3 2024	141,087	$2,081	$16.37	$11.80 - $20.96
Q2 2024	56,015	$985	$15.70	$12.24 - $21.04
Q1 2024	48,353	$687	$11.75	$9.65 - $16.39
Q4 2023	48,300	$466	$6.36	$4.05 - $10.20
Q3 2023	48,397	$241	$5.12	$4.43 - $6.04
Q2 2023	48,096	$228	$5.44	$3.76 - $6.86
Q1 2023	163,377	$886	$10.49	$3.78 - $13.74
Q4 2022	169,358	$2,081	$12.40	$8.90 - $14.22
Q3 2022	184,760	$1,689	$12.42	$7.83 - $16.79
Q2 2022	202,257	$3,269	$17.04	$12.82 - $22.59
Q1 2022	203,329	$4,319	$21.07	$16.97 - $24.73
Q4 2021	223,992	$4,982	$23.76	$18.11 - $26.66
Q3 2021	237,524	$6,084	$27.39	$24.75 - $29.95
Q2 2021	243,031	$6,886	$30.19	$24.97 - $36.91
Q1 2021	214,262	$7,634	$31.31	$25.50 - $39.19
Q4 2020	246,663	$7,519	$30.75	$25.35 - $35.92
Q3 2020	256,795	$7,239	$30.40	$26.80 - $41.09
Q2 2020	263,343	$7,794	$27.98	$20.56 - $34.63
Q1 2020	210,863	$5,046	$24.34	$18.47 - $29.54
Q4 2019	210,747	$5,772	$24.43	$21.51 - $29.00
Q3 2019	219,537	$4,903	$27.45	$22.29 - $34.00
Q2 2019	218,319	$6,457	$30.62	$27.85 - $34.97
Q1 2019	214,518	$6,461	$30.83	$27.20 - $34.86
Q4 2018	215,915	$6,145	$30.66	$26.37 - $37.00
Q3 2018	216,821	$7,165	$38.29	$30.45 - $46.15
Q2 2018	211,554	$8,908	$41.81	$36.55 - $45.75
Q1 2018	206,148	$8,864	$30.67	$23.15 - $45.75
Q4 2017	203,520	$5,098	$23.30	$19.30 - $27.40
Q3 2017	210,470	$4,429	$20.33	$17.40 - $24.10
Q2 2017	212,475	$5,024	$22.88	$20.65 - $26.30
Q1 2017	199,648	$4,572	$23.24	$19.35 - $26.20
Q4 2016	193,366	$4,747	$22.36	$14.75 - $27.20
Q3 2016	224,358	$4,445	$24.22	$18.53 - $30.79
Q2 2016	221,257	$6,218	$24.83	$19.25 - $28.64
Q1 2016	225,190	$4,761	$17.56	$13.80 - $22.50
Q4 2015	223,857	$4,166	$21.97	$18.56 - $25.17
Q3 2015	213,739	$5,011	$23.89	$19.22 - $27.26
Q2 2015	198,298	$5,100	$26.99	$21.30 - $32.56
Q1 2015	243,501	$7,300	$33.33	$29.13 - $37.08
Q4 2014	240,220	$8,856	$32.47	$26.24 - $37.46
Q3 2014	245,818	$6,635	$31.51	$26.98 - $36.47
Q2 2014	221,264	$7,607	$34.85	$32.51 - $38.00
Q1 2014	277,221	$9,725	$40.58	$33.47 - $46.62
Q4 2013	259,113	$11,264	$41.26	$34.40 - $46.69
Q3 2013	275,420	$10,411	$39.36	$36.65 - $41.15
Q2 2013	282,878	$10,511	$36.06	$31.95 - $39.85