OMEROS CORP

Ticker: OMER CUSIP: 682143102 Class: COM

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

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

Q4 2025

Shares 526,732 Value ($000) $9,047 Avg Close $8.61 Range $4.06 - $17.65

Q3 2025

Shares 535,695 Value ($000) $2,196 Avg Close $3.97 Range $2.95 - $4.58

Q2 2025

Shares 484,768 Value ($000) $1,454 Avg Close $4.98 Range $2.97 - $9.16

Q1 2025

Shares 484,635 Value ($000) $3,984 Avg Close $8.83 Range $6.99 - $11.26

Q4 2024

Shares 509,640 Value ($000) $5,035 Avg Close $6.86 Range $3.75 - $13.60

Q3 2024

Shares 509,528 Value ($000) $2,023 Avg Close $4.27 Range $3.54 - $5.68

Q2 2024

Shares 512,814 Value ($000) $2,082 Avg Close $3.57 Range $2.61 - $4.41

Q1 2024

Shares 554,108 Value ($000) $1,912 Avg Close $3.80 Range $2.76 - $5.14

Q4 2023

Shares 559,052 Value ($000) $1,828 Avg Close $2.11 Range $0.92 - $3.81

Q3 2023

Shares 546,043 Value ($000) $1,594 Avg Close $4.01 Range $2.67 - $5.84

Q2 2023

Shares 553,605 Value ($000) $3,012 Avg Close $5.84 Range $4.35 - $7.80

Q1 2023

Shares 155,284 Value ($000) $722 Avg Close $3.61 Range $2.28 - $5.42

Q4 2022

Shares 150,717 Value ($000) $341 Avg Close $2.76 Range $1.74 - $4.00

Q3 2022

Shares 150,995 Value ($000) $475 Avg Close $4.64 Range $2.77 - $7.75

Q2 2022

Shares 149,235 Value ($000) $410 Avg Close $3.39 Range $1.86 - $6.41

Q1 2022

Shares 648,187 Value ($000) $3,895 Avg Close $6.24 Range $4.65 - $7.46

Q4 2021

Shares 671,750 Value ($000) $4,319 Avg Close $7.25 Range $5.45 - $9.78

Q3 2021

Shares 691,749 Value ($000) $9,540 Avg Close $14.97 Range $13.31 - $16.57

Q2 2021

Shares 693,776 Value ($000) $10,296 Avg Close $16.78 Range $13.86 - $19.39

Q1 2021

Shares 689,786 Value ($000) $12,278 Avg Close $19.45 Range $14.03 - $23.85

Q4 2020

Shares 748,129 Value ($000) $10,687 Avg Close $12.22 Range $9.87 - $15.68

Q3 2020

Shares 765,356 Value ($000) $7,735 Avg Close $12.87 Range $9.25 - $25.46

Q2 2020

Shares 728,578 Value ($000) $10,724 Avg Close $14.93 Range $11.84 - $17.21

Q1 2020

Shares 686,141 Value ($000) $9,173 Avg Close $13.30 Range $8.50 - $20.60

Q4 2019

Shares 647,426 Value ($000) $9,122 Avg Close $14.64 Range $12.63 - $17.38

Q3 2019

Shares 645,352 Value ($000) $10,538 Avg Close $17.15 Range $14.34 - $20.92

Q2 2019

Shares 636,210 Value ($000) $9,982 Avg Close $17.96 Range $14.73 - $20.16

Q1 2019

Shares 630,568 Value ($000) $10,953 Avg Close $14.42 Range $10.88 - $17.94

Q4 2018

Shares 617,173 Value ($000) $6,875 Avg Close $14.01 Range $10.30 - $24.87

Q3 2018

Shares 628,370 Value ($000) $15,338 Avg Close $22.30 Range $17.56 - $27.00

Q2 2018

Shares 615,377 Value ($000) $11,162 Avg Close $17.33 Range $10.60 - $25.20

Q1 2018

Shares 602,550 Value ($000) $6,731 Avg Close $14.04 Range $8.36 - $22.45

Q4 2017

Shares 600,392 Value ($000) $11,665 Avg Close $18.75 Range $12.45 - $24.45

Q3 2017

Shares 679,805 Value ($000) $14,699 Avg Close $21.19 Range $18.63 - $25.19

Q2 2017

Shares 572,576 Value ($000) $11,397 Avg Close $17.45 Range $13.56 - $27.09

Q1 2017

Shares 538,248 Value ($000) $8,139 Avg Close $10.94 Range $8.71 - $16.40

Q4 2016

Shares 502,360 Value ($000) $4,984 Avg Close $10.20 Range $7.20 - $14.15

Q3 2016

Shares 487,571 Value ($000) $5,441 Avg Close $11.41 Range $10.36 - $13.71

Q2 2016

Shares 449,772 Value ($000) $4,732 Avg Close $12.31 Range $9.46 - $16.38

Q1 2016

Shares 495,803 Value ($000) $7,606 Avg Close $12.15 Range $8.90 - $16.80

Q4 2015

Shares 442,971 Value ($000) $6,969 Avg Close $13.81 Range $10.69 - $16.52

Q3 2015

Shares 432,624 Value ($000) $4,741 Avg Close $15.57 Range $10.48 - $30.23

Q2 2015

Shares 407,353 Value ($000) $7,329 Avg Close $21.58 Range $17.62 - $26.64

Q1 2015

Shares 380,149 Value ($000) $8,374 Avg Close $22.83 Range $18.51 - $27.64

Q4 2014

Shares 358,942 Value ($000) $8,894 Avg Close $18.22 Range $11.18 - $25.10

Q3 2014

Shares 375,136 Value ($000) $4,771 Avg Close $14.00 Range $12.12 - $18.80

Q2 2014

Shares 379,680 Value ($000) $6,606 Avg Close $12.61 Range $9.76 - $18.01

Q1 2014

Shares 393,456 Value ($000) $4,749 Avg Close $12.28 Range $10.11 - $14.69

Q4 2013

Shares 420,054 Value ($000) $4,742 Avg Close $9.65 Range $6.92 - $13.76

Q3 2013

Shares 391,713 Value ($000) $3,819 Avg Close $5.96 Range $4.75 - $10.70

Q2 2013

Shares 355,469 Value ($000) $1,791 Avg Close $4.61 Range $3.65 - $5.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	526,732	$9,047	$8.61	$4.06 - $17.65
Q3 2025	535,695	$2,196	$3.97	$2.95 - $4.58
Q2 2025	484,768	$1,454	$4.98	$2.97 - $9.16
Q1 2025	484,635	$3,984	$8.83	$6.99 - $11.26
Q4 2024	509,640	$5,035	$6.86	$3.75 - $13.60
Q3 2024	509,528	$2,023	$4.27	$3.54 - $5.68
Q2 2024	512,814	$2,082	$3.57	$2.61 - $4.41
Q1 2024	554,108	$1,912	$3.80	$2.76 - $5.14
Q4 2023	559,052	$1,828	$2.11	$0.92 - $3.81
Q3 2023	546,043	$1,594	$4.01	$2.67 - $5.84
Q2 2023	553,605	$3,012	$5.84	$4.35 - $7.80
Q1 2023	155,284	$722	$3.61	$2.28 - $5.42
Q4 2022	150,717	$341	$2.76	$1.74 - $4.00
Q3 2022	150,995	$475	$4.64	$2.77 - $7.75
Q2 2022	149,235	$410	$3.39	$1.86 - $6.41
Q1 2022	648,187	$3,895	$6.24	$4.65 - $7.46
Q4 2021	671,750	$4,319	$7.25	$5.45 - $9.78
Q3 2021	691,749	$9,540	$14.97	$13.31 - $16.57
Q2 2021	693,776	$10,296	$16.78	$13.86 - $19.39
Q1 2021	689,786	$12,278	$19.45	$14.03 - $23.85
Q4 2020	748,129	$10,687	$12.22	$9.87 - $15.68
Q3 2020	765,356	$7,735	$12.87	$9.25 - $25.46
Q2 2020	728,578	$10,724	$14.93	$11.84 - $17.21
Q1 2020	686,141	$9,173	$13.30	$8.50 - $20.60
Q4 2019	647,426	$9,122	$14.64	$12.63 - $17.38
Q3 2019	645,352	$10,538	$17.15	$14.34 - $20.92
Q2 2019	636,210	$9,982	$17.96	$14.73 - $20.16
Q1 2019	630,568	$10,953	$14.42	$10.88 - $17.94
Q4 2018	617,173	$6,875	$14.01	$10.30 - $24.87
Q3 2018	628,370	$15,338	$22.30	$17.56 - $27.00
Q2 2018	615,377	$11,162	$17.33	$10.60 - $25.20
Q1 2018	602,550	$6,731	$14.04	$8.36 - $22.45
Q4 2017	600,392	$11,665	$18.75	$12.45 - $24.45
Q3 2017	679,805	$14,699	$21.19	$18.63 - $25.19
Q2 2017	572,576	$11,397	$17.45	$13.56 - $27.09
Q1 2017	538,248	$8,139	$10.94	$8.71 - $16.40
Q4 2016	502,360	$4,984	$10.20	$7.20 - $14.15
Q3 2016	487,571	$5,441	$11.41	$10.36 - $13.71
Q2 2016	449,772	$4,732	$12.31	$9.46 - $16.38
Q1 2016	495,803	$7,606	$12.15	$8.90 - $16.80
Q4 2015	442,971	$6,969	$13.81	$10.69 - $16.52
Q3 2015	432,624	$4,741	$15.57	$10.48 - $30.23
Q2 2015	407,353	$7,329	$21.58	$17.62 - $26.64
Q1 2015	380,149	$8,374	$22.83	$18.51 - $27.64
Q4 2014	358,942	$8,894	$18.22	$11.18 - $25.10
Q3 2014	375,136	$4,771	$14.00	$12.12 - $18.80
Q2 2014	379,680	$6,606	$12.61	$9.76 - $18.01
Q1 2014	393,456	$4,749	$12.28	$10.11 - $14.69
Q4 2013	420,054	$4,742	$9.65	$6.92 - $13.76
Q3 2013	391,713	$3,819	$5.96	$4.75 - $10.70
Q2 2013	355,469	$1,791	$4.61	$3.65 - $5.70