CollPlant Biotechnologies Stock Price History
NASDAQ: CLGNHealth CareIndustrial SpecialtiesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
CLGN price history at a glance
The price history for CollPlant Biotechnologies (CLGN) on this page begins on October 7, 2026, when the stock closed at $3.46; it most recently closed at $3.51 on October 9, 2026. The highest price in this record is $4.16, reached on October 8, 2026; the latest close is 15.6% below that peak. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2026
- $4.16
- Date of high
- Oct 8, 2026
- Low since 2026
- $3.31
- Date of low
- Oct 7, 2026
- 52-week high
- $26.80
- 52-week low
- $2.64
- Last close
- $3.51
CLGN returns
1 week
+1.45%
CLGN price return, excluding dividends.
CLGN daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 3.87 | 4.13 | 3.51 | 3.51 | -11.59% | |
| 3.49 | 4.16 | 3.31 | 3.97 | +14.74% | |
| 3.35 | 3.55 | 3.31 | 3.46 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the CLGN chart for longer ranges.