when did error go public

Error (ATER) went public on June 12, 2019, when it opened at a split-adjusted price of $120.

DATEOPENHIGHLOWCLOSEVOLUME
January 2026
$0.71
$0.94
$0.67
$0.77
2,520,747
December 2025
$0.74
$1.05
$0.64
$0.70
3,788,807
November 2025
$0.96
$0.97
$0.65
$0.75
1,449,800
October 2025
$1.04
$1.26
$0.95
$0.96
2,199,400
September 2025
$0.96
$1.06
$0.92
$1.05
2,089,200
August 2025
$1.23
$1.32
$0.90
$0.97
2,483,700
July 2025
$1.66
$1.80
$1.21
$1.22
2,722,700
June 2025
$1.48
$1.72
$1.22
$1.66
4,879,300
May 2025
$1.93
$2.19
$1.52
$1.53
2,692,700
April 2025
$2.10
$2.25
$1.56
$1.97
1,950,700
March 2025
$2.10
$3.50
$1.95
$2.10
55,843,900
February 2025
$2.14
$2.50
$1.86
$2.06
1,623,600
January 2025
$2.44
$2.70
$2.12
$2.25
633,800
December 2024
$2.67
$2.90
$2.11
$2.40
1,312,700
November 2024
$2.70
$3.10
$2.22
$2.73
1,473,500
October 2024
$2.93
$3.15
$2.64
$2.69
730,900
September 2024
$2.99
$3.84
$2.65
$2.88
1,176,800
August 2024
$2.97
$3.50
$2.55
$2.99
1,526,600
July 2024
$2.81
$3.33
$2.41
$2.99
1,487,300
June 2024
$2.66
$2.83
$1.99
$2.81
4,560,800
May 2024
$2.28
$3.37
$2.25
$2.63
2,433,400
April 2024
$2.85
$3.95
$1.90
$2.27
3,780,900
March 2024
$5.70
$6.54
$2.55
$2.76
2,517,775
February 2024
$3.49
$5.88
$3.49
$5.46
1,480,873
January 2024
$4.30
$4.44
$3.42
$3.56
505,311