when did x4 pharmaceuticals go public

X4 Pharmaceuticals (XFOR) went public on November 16, 2017, when it opened at a split-adjusted price of $2,340.00.

DATEOPENHIGHLOWCLOSEVOLUME
January 2026
$4.08
$4.08
$3.74
$4.00
1,275,700
December 2025
$3.64
$4.56
$3.05
$4.00
19,710,410
November 2025
$4.03
$4.15
$3.26
$3.64
10,094,300
October 2025
$3.40
$4.54
$2.80
$4.04
33,979,500
September 2025
$3.65
$3.79
$2.88
$3.42
10,982,000
August 2025
$1.58
$4.83
$1.35
$3.76
212,875,300
July 2025
$1.93
$2.25
$1.38
$1.68
38,118,600
June 2025
$3.55
$4.48
$1.81
$1.90
8,878,300
May 2025
$4.12
$4.25
$2.67
$3.40
3,867,300
April 2025
$6.99
$7.44
$3.83
$4.31
2,122,369
March 2025
$12.24
$12.54
$6.78
$7.08
1,184,197
February 2025
$19.50
$20.10
$10.83
$11.85
1,211,266
January 2025
$22.05
$24.45
$12.75
$21.00
4,784,708
December 2024
$11.82
$26.82
$10.56
$22.02
2,603,238
November 2024
$15.06
$20.40
$7.83
$11.79
3,536,745
October 2024
$19.92
$20.34
$14.16
$15.00
1,048,819
September 2024
$21.00
$22.20
$18.30
$20.07
479,846
August 2024
$23.40
$24.57
$17.46
$21.00
843,252
July 2024
$18.27
$26.97
$15.93
$24.00
1,565,889
June 2024
$30.00
$33.90
$17.10
$17.40
1,817,877
May 2024
$33.90
$36.00
$25.80
$30.30
1,634,613
April 2024
$42.60
$48.00
$27.00
$33.60
3,047,216
March 2024
$29.28
$48.00
$24.60
$41.70
2,338,155
February 2024
$23.58
$32.10
$23.13
$29.13
925,210
January 2024
$25.53
$27.48
$21.00
$23.43
837,163