sec filing
SU
NASDAQ · SUPN
Supernus Pharmaceuticals, Inc.
Healthcare · Drug Manufacturers - Specialty & Generic
$42.00
Down-$0.92 (-2.14%)
Updated Sep 19, 2026, 10:04 PM
SID Score
5.1/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 2.6B
- P/E ratio
- -137.62
- Dividend yield
- 0.00%
- 52-week range
- $40.51 – $59.68
- Volume
- 1.18M
- Avg. volume
- 851.65K
Price performance
SUPN price history
1M range · 19 trading sessions · Daily adjusted prices
SUPN closed at $42.00 after 19 trading sessions, down 6.89% for the selected period.
- Last close
- $42.00
- Period change
- -6.89%
- Period low
- $41.28
- Period high
- $45.36
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 18, 2026 | $42.89 | $42.89 | $41.60 | $42.00 | 1.18M |
| Sep 17, 2026 | $41.66 | $43.40 | $41.46 | $42.92 | 559.77K |
| Sep 16, 2026 | $41.31 | $41.84 | $40.75 | $41.38 | 787.82K |
| Sep 15, 2026 | $41.49 | $41.75 | $40.51 | $41.28 | 669.22K |
| Sep 14, 2026 | $42.16 | $42.5429 | $41.23 | $41.49 | 678.06K |
| Sep 11, 2026 | $41.81 | $42.44 | $41.62 | $41.64 | 707.16K |
| Sep 10, 2026 | $41.84 | $42.55 | $41.11 | $41.69 | 726.75K |
| Sep 9, 2026 | $42.17 | $42.59 | $41.50 | $42.07 | 580.43K |
| Sep 8, 2026 | $43.56 | $43.56 | $42.32 | $42.43 | 429.13K |
| Sep 4, 2026 | $43.66 | $44.11 | $43.43 | $43.53 | 444.2K |
| Sep 3, 2026 | $44.56 | $44.56 | $43.16 | $43.97 | 390.32K |
| Sep 2, 2026 | $44.42 | $45.045 | $43.67 | $44.03 | 445.94K |
| Sep 1, 2026 | $44.35 | $44.7519 | $43.53 | $43.74 | 757.78K |
| Aug 31, 2026 | $43.82 | $44.37 | $42.84 | $44.21 | 535.72K |
| Aug 28, 2026 | $43.95 | $44.34 | $43.12 | $43.73 | 487.93K |
| Aug 27, 2026 | $44.87 | $45.035 | $43.89 | $44.19 | 464.95K |
| Aug 26, 2026 | $45.11 | $45.43 | $44.50 | $44.88 | 499.68K |
| Aug 25, 2026 | $45.37 | $45.855 | $44.225 | $45.36 | 496.06K |
| Aug 24, 2026 | $45.60 | $45.86 | $44.815 | $45.11 | 495.51K |
Latest SUPN news
The latest Smart Investors Daily articles mentioning SUPN.
Stock researchMarket Activity · Institutional Ownership
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