SUPERNUS PHARMACEUTICALS INC

Ticker: SUPN CUSIP: 868459108 Class: EQTY

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025

Shares 52,786 Value ($000) $3 Avg Close $48.62 Range $43.11 - $57.65

Q3 2025

Shares 49,906 Value ($000) $2 Avg Close $40.27 Range $31.35 - $48.44

Q2 2025

Shares 47,305 Value ($000) $1 Avg Close $32.05 Range $29.16 - $34.26

Q1 2025

Shares 42,552 Value ($000) $1 Avg Close $35.44 Range $30.37 - $40.28

Q4 2024

Shares 40,428 Value ($000) $1 Avg Close $35.21 Range $30.83 - $39.37

Q3 2024

Shares 47,397 Value ($000) $1 Avg Close $31.21 Range $25.55 - $35.41

Q2 2024

Shares 47,523 Value ($000) $1 Avg Close $28.98 Range $25.53 - $34.49

Q1 2024

Shares 442,757 Value ($000) $15 Avg Close $29.77 Range $26.27 - $35.44

Q4 2023

Shares 445,316 Value ($000) $13 Avg Close $26.51 Range $21.99 - $29.90

Q3 2023

Shares 477,380 Value ($000) $13 Avg Close $30.44 Range $27.26 - $32.98

Q2 2023

Shares 513,004 Value ($000) $15 Avg Close $34.99 Range $29.59 - $39.09

Q1 2023

Shares 509,972 Value ($000) $18 Avg Close $38.45 Range $34.33 - $42.09

Q4 2022

Shares 509,353 Value ($000) $18 Avg Close $34.75 Range $30.00 - $38.40

Q3 2022

Shares 507,863 Value ($000) $17,192 Avg Close $32.54 Range $28.16 - $36.08

Q2 2022

Shares 508,748 Value ($000) $14,713 Avg Close $28.64 Range $24.95 - $34.45

Q1 2022

Shares 516,227 Value ($000) $16,684 Avg Close $30.66 Range $27.87 - $33.30

Q4 2021

Shares 516,921 Value ($000) $15,073 Avg Close $30.34 Range $26.13 - $34.50

Q3 2021

Shares 522,230 Value ($000) $13,928 Avg Close $26.84 Range $23.15 - $31.73

Q2 2021

Shares 607,393 Value ($000) $18,702 Avg Close $30.66 Range $25.84 - $34.29

Q1 2021

Shares 608,383 Value ($000) $15,927 Avg Close $27.97 Range $23.18 - $31.99

Q4 2020

Shares 634,977 Value ($000) $15,976 Avg Close $21.52 Range $17.20 - $27.55

Q3 2020

Shares 694,115 Value ($000) $14,465 Avg Close $22.70 Range $19.97 - $25.82

Q2 2020

Shares 694,952 Value ($000) $16,505 Avg Close $22.09 Range $16.55 - $25.73

Q1 2020

Shares 687,319 Value ($000) $12,365 Avg Close $21.01 Range $13.12 - $25.16

Q4 2019

Shares 779,296 Value ($000) $18,485 Avg Close $24.29 Range $19.35 - $29.36

Q3 2019

Shares 759,625 Value ($000) $20,874 Avg Close $29.63 Range $25.32 - $34.11

Q2 2019

Shares 771,785 Value ($000) $25,538 Avg Close $34.26 Range $29.60 - $39.15

Q1 2019

Shares 770,108 Value ($000) $26,985 Avg Close $37.21 Range $32.24 - $43.05

Q4 2018

Shares 767,588 Value ($000) $25,499 Avg Close $43.00 Range $30.05 - $51.38

Q3 2018

Shares 774,321 Value ($000) $38,987 Avg Close $49.38 Range $41.80 - $59.75

Q2 2018

Shares 761,255 Value ($000) $45,561 Avg Close $51.80 Range $43.53 - $61.25

Q1 2018

Shares 703,787 Value ($000) $32,233 Avg Close $41.73 Range $34.90 - $48.65

Q4 2017

Shares 709,218 Value ($000) $28,262 Avg Close $39.52 Range $33.30 - $43.25

Q3 2017

Shares 672,681 Value ($000) $26,907 Avg Close $43.28 Range $36.16 - $50.05

Q2 2017

Shares 622,329 Value ($000) $26,822 Avg Close $35.59 Range $29.55 - $44.95

Q1 2017

Shares 584,861 Value ($000) $18,306 Avg Close $26.80 Range $23.10 - $32.00

Q4 2016

Shares 313,645 Value ($000) $7,920 Avg Close $22.34 Range $17.25 - $27.10

Q3 2016

Shares 22,685 Value ($000) $561 Avg Close $22.63 Range $20.19 - $26.84

Q2 2016

Shares 48,860 Value ($000) $995 Avg Close $17.74 Range $14.14 - $20.38

Q1 2016

Shares 44,010 Value ($000) $671 Avg Close $13.05 Range $9.51 - $15.99

Q4 2015

Shares 478,430 Value ($000) $6,430 Avg Close $15.47 Range $12.54 - $20.39

Q3 2015

Shares 978,665 Value ($000) $13,731 Avg Close $18.59 Range $13.32 - $23.30

Q2 2015

Shares 1,074,249 Value ($000) $18,241 Avg Close $14.23 Range $11.11 - $18.55

Q1 2015

Shares 1,061,450 Value ($000) $12,833 Avg Close $9.45 Range $7.97 - $12.38

Q4 2014

Shares 1,421,832 Value ($000) $11,801 Avg Close $8.40 Range $7.31 - $9.53

Q3 2014

Shares 2,357,650 Value ($000) $20,488 Avg Close $9.03 Range $7.94 - $11.47

Q2 2014

Shares 3,428,890 Value ($000) $37,546 Avg Close $8.91 Range $7.09 - $11.20

Q1 2014

Shares 4,186,551 Value ($000) $37,428 Avg Close $9.21 Range $7.36 - $10.55

Q4 2013

Shares 4,362,800 Value ($000) $32,896 Avg Close $6.99 Range $5.84 - $9.05

Q3 2013

Shares 4,504,600 Value ($000) $33,019 Avg Close $6.72 Range $6.10 - $8.40

Q2 2013

Shares 4,739,700 Value ($000) $30,476 Avg Close $5.89 Range $4.45 - $7.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	52,786	$3	$48.62	$43.11 - $57.65
Q3 2025	49,906	$2	$40.27	$31.35 - $48.44
Q2 2025	47,305	$1	$32.05	$29.16 - $34.26
Q1 2025	42,552	$1	$35.44	$30.37 - $40.28
Q4 2024	40,428	$1	$35.21	$30.83 - $39.37
Q3 2024	47,397	$1	$31.21	$25.55 - $35.41
Q2 2024	47,523	$1	$28.98	$25.53 - $34.49
Q1 2024	442,757	$15	$29.77	$26.27 - $35.44
Q4 2023	445,316	$13	$26.51	$21.99 - $29.90
Q3 2023	477,380	$13	$30.44	$27.26 - $32.98
Q2 2023	513,004	$15	$34.99	$29.59 - $39.09
Q1 2023	509,972	$18	$38.45	$34.33 - $42.09
Q4 2022	509,353	$18	$34.75	$30.00 - $38.40
Q3 2022	507,863	$17,192	$32.54	$28.16 - $36.08
Q2 2022	508,748	$14,713	$28.64	$24.95 - $34.45
Q1 2022	516,227	$16,684	$30.66	$27.87 - $33.30
Q4 2021	516,921	$15,073	$30.34	$26.13 - $34.50
Q3 2021	522,230	$13,928	$26.84	$23.15 - $31.73
Q2 2021	607,393	$18,702	$30.66	$25.84 - $34.29
Q1 2021	608,383	$15,927	$27.97	$23.18 - $31.99
Q4 2020	634,977	$15,976	$21.52	$17.20 - $27.55
Q3 2020	694,115	$14,465	$22.70	$19.97 - $25.82
Q2 2020	694,952	$16,505	$22.09	$16.55 - $25.73
Q1 2020	687,319	$12,365	$21.01	$13.12 - $25.16
Q4 2019	779,296	$18,485	$24.29	$19.35 - $29.36
Q3 2019	759,625	$20,874	$29.63	$25.32 - $34.11
Q2 2019	771,785	$25,538	$34.26	$29.60 - $39.15
Q1 2019	770,108	$26,985	$37.21	$32.24 - $43.05
Q4 2018	767,588	$25,499	$43.00	$30.05 - $51.38
Q3 2018	774,321	$38,987	$49.38	$41.80 - $59.75
Q2 2018	761,255	$45,561	$51.80	$43.53 - $61.25
Q1 2018	703,787	$32,233	$41.73	$34.90 - $48.65
Q4 2017	709,218	$28,262	$39.52	$33.30 - $43.25
Q3 2017	672,681	$26,907	$43.28	$36.16 - $50.05
Q2 2017	622,329	$26,822	$35.59	$29.55 - $44.95
Q1 2017	584,861	$18,306	$26.80	$23.10 - $32.00
Q4 2016	313,645	$7,920	$22.34	$17.25 - $27.10
Q3 2016	22,685	$561	$22.63	$20.19 - $26.84
Q2 2016	48,860	$995	$17.74	$14.14 - $20.38
Q1 2016	44,010	$671	$13.05	$9.51 - $15.99
Q4 2015	478,430	$6,430	$15.47	$12.54 - $20.39
Q3 2015	978,665	$13,731	$18.59	$13.32 - $23.30
Q2 2015	1,074,249	$18,241	$14.23	$11.11 - $18.55
Q1 2015	1,061,450	$12,833	$9.45	$7.97 - $12.38
Q4 2014	1,421,832	$11,801	$8.40	$7.31 - $9.53
Q3 2014	2,357,650	$20,488	$9.03	$7.94 - $11.47
Q2 2014	3,428,890	$37,546	$8.91	$7.09 - $11.20
Q1 2014	4,186,551	$37,428	$9.21	$7.36 - $10.55
Q4 2013	4,362,800	$32,896	$6.99	$5.84 - $9.05
Q3 2013	4,504,600	$33,019	$6.72	$6.10 - $8.40
Q2 2013	4,739,700	$30,476	$5.89	$4.45 - $7.20