NASDAQ:ASYS | Historical Stock Price | AMTECH SYSTEMS INC

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1983-08-09 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$0.95$1.88$3.70$7.31$14.44$28.521983-08-092026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2002

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2002-12-31$3.17$3.1725,400
2002-12-30$3.10$3.103,300
2002-12-27$3.07$3.074,100
2002-12-26$3.15$3.154,600
2002-12-24$3.08$3.082,400
2002-12-23$3.10$3.106,700
2002-12-20$3.12$3.122,100
2002-12-19$3.16$3.16700
2002-12-18$3.09$3.094,000
2002-12-17$3.24$3.242,300
2002-12-16$3.11$3.114,000
2002-12-13$3.16$3.168,100
2002-12-12$3.25$3.254,300
2002-12-11$3.33$3.33200
2002-12-10$3.20$3.205,700
2002-12-09$3.45$3.456,100
2002-12-06$3.60$3.604,600
2002-12-05$3.52$3.521,300
2002-12-04$3.72$3.721,000
2002-12-03$3.95$3.95700
2002-12-02$3.95$3.956,200
2002-11-29$3.86$3.863,200
2002-11-27$3.79$3.797,500
2002-11-26$3.56$3.563,700
2002-11-25$3.75$3.754,600
2002-11-22$3.74$3.742,900
2002-11-21$3.69$3.6915,500
2002-11-20$3.35$3.357,800
2002-11-19$3.25$3.253,100
2002-11-18$3.40$3.402,300
2002-11-15$3.42$3.422,100
2002-11-14$3.30$3.303,000
2002-11-13$3.20$3.2014,700
2002-11-12$3.18$3.187,300
2002-11-11$3.19$3.193,700
2002-11-08$3.28$3.282,000
2002-11-07$3.30$3.303,900
2002-11-06$3.35$3.354,000
2002-11-05$3.23$3.23500
2002-11-04$3.09$3.098,400
2002-11-01$2.99$2.992,200
2002-10-31$2.91$2.91500
2002-10-30$2.90$2.905,300
2002-10-29$3.10$3.101,500
2002-10-28$2.95$2.959,600
2002-10-25$3.10$3.102,800
2002-10-24$2.96$2.963,200
2002-10-23$2.85$2.850
2002-10-22$2.85$2.856,100
2002-10-21$2.85$2.85900
2002-10-18$2.93$2.931,300
2002-10-17$2.84$2.841,000
2002-10-16$2.75$2.7511,100
2002-10-15$2.86$2.869,100
2002-10-14$2.80$2.805,100
2002-10-11$2.86$2.86300
2002-10-10$2.85$2.859,300
2002-10-09$2.90$2.905,700
2002-10-08$2.85$2.857,100
2002-10-07$2.85$2.8517,100
2002-10-04$3.11$3.115,600
2002-10-03$3.18$3.1847,200
2002-10-02$3.00$3.0021,000
2002-10-01$3.13$3.136,300
2002-09-30$3.12$3.1213,400
2002-09-27$3.35$3.35800
2002-09-26$3.54$3.541,500
2002-09-25$3.39$3.396,400
2002-09-24$3.35$3.352,500
2002-09-23$3.60$3.6010,300
2002-09-20$3.62$3.626,600
2002-09-19$3.60$3.603,500
2002-09-18$3.86$3.865,800
2002-09-17$3.96$3.9612,000
2002-09-16$4.00$4.007,400
2002-09-13$3.85$3.8510,000
2002-09-12$3.95$3.952,100
2002-09-11$3.94$3.940
2002-09-10$3.94$3.945,500
2002-09-09$3.99$3.99600
2002-09-06$3.95$3.952,500
2002-09-05$3.90$3.90300
2002-09-04$4.00$4.001,700
2002-09-03$3.70$3.709,400
2002-08-30$3.97$3.973,800
2002-08-29$3.75$3.7522,800
2002-08-28$3.94$3.941,300
2002-08-27$3.96$3.962,000
2002-08-26$4.10$4.10400
2002-08-23$4.00$4.001,100
2002-08-22$4.00$4.001,700
2002-08-21$3.91$3.9113,300
2002-08-20$4.03$4.03800
2002-08-19$4.10$4.103,800
2002-08-16$4.15$4.151,300
2002-08-15$4.50$4.501,100
2002-08-14$4.40$4.402,000
2002-08-13$4.56$4.56100
2002-08-12$4.30$4.300
2002-08-09$4.30$4.302,200
2002-08-08$4.30$4.3014,200
2002-08-07$4.00$4.003,400
2002-08-06$4.10$4.102,700
2002-08-05$3.70$3.706,700
2002-08-02$3.80$3.803,000
2002-08-01$3.75$3.754,300
2002-07-31$4.05$4.0510,100
2002-07-30$3.75$3.758,700
2002-07-29$3.99$3.9912,200
2002-07-26$4.02$4.024,100
2002-07-25$4.00$4.002,700
2002-07-24$4.20$4.207,100
2002-07-23$4.00$4.0010,900
2002-07-22$4.30$4.3010,100
2002-07-19$4.50$4.502,300
2002-07-18$4.84$4.841,100
2002-07-17$4.79$4.79400
2002-07-16$4.82$4.823,000
2002-07-15$4.80$4.804,700
2002-07-12$5.23$5.233,400
2002-07-11$4.90$4.904,500
2002-07-10$5.24$5.242,900
2002-07-09$5.20$5.202,100
2002-07-08$5.25$5.255,900
2002-07-05$5.40$5.401,400
2002-07-03$5.25$5.257,300
2002-07-02$5.20$5.2022,100
2002-07-01$5.41$5.4118,000
2002-06-28$5.33$5.332,700
2002-06-27$4.91$4.911,700
2002-06-26$5.03$5.034,700
2002-06-25$5.03$5.033,000
2002-06-24$5.27$5.2714,100
2002-06-21$5.10$5.106,900
2002-06-20$5.20$5.201,100
2002-06-19$5.30$5.304,700
2002-06-18$5.50$5.501,100
2002-06-17$5.50$5.505,300
2002-06-14$5.10$5.1018,500
2002-06-13$4.95$4.953,800
2002-06-12$4.87$4.8749,700
2002-06-11$5.40$5.4013,200
2002-06-10$5.40$5.408,000
2002-06-07$5.36$5.369,000
2002-06-06$5.75$5.755,400
2002-06-05$6.00$6.003,400
2002-06-04$6.00$6.0011,300
2002-06-03$6.10$6.1014,200
2002-05-31$6.35$6.359,900
2002-05-30$6.30$6.305,800
2002-05-29$6.54$6.54800
2002-05-28$6.45$6.45400
2002-05-24$6.59$6.597,000
2002-05-23$6.49$6.494,800
2002-05-22$6.63$6.637,200
2002-05-21$6.50$6.505,000
2002-05-20$6.70$6.7013,000
2002-05-17$6.60$6.608,100
2002-05-16$6.52$6.528,900
2002-05-15$6.70$6.705,700
2002-05-14$6.57$6.573,000
2002-05-13$6.80$6.807,100
2002-05-10$6.50$6.506,300
2002-05-09$6.64$6.643,400
2002-05-08$6.70$6.704,100
2002-05-07$6.63$6.6311,800
2002-05-06$6.51$6.51800
2002-05-03$6.57$6.575,000
2002-05-02$6.56$6.561,800
2002-05-01$6.89$6.893,800
2002-04-30$7.02$7.026,200
2002-04-29$6.85$6.854,300
2002-04-26$7.10$7.10700
2002-04-25$7.22$7.224,100
2002-04-24$7.19$7.197,000
2002-04-23$7.10$7.101,600
2002-04-22$7.24$7.246,000
2002-04-19$7.25$7.252,900
2002-04-18$7.20$7.2016,600
2002-04-17$6.85$6.855,800
2002-04-16$6.99$6.9921,100
2002-04-15$6.81$6.813,100
2002-04-12$6.79$6.792,900
2002-04-11$6.80$6.808,000
2002-04-10$6.80$6.805,300
2002-04-09$6.76$6.761,200
2002-04-08$6.80$6.801,100
2002-04-05$6.80$6.802,600
2002-04-04$7.05$7.0511,900
2002-04-03$7.05$7.055,000
2002-04-02$7.05$7.053,000
2002-04-01$7.10$7.108,500
2002-03-28$6.99$6.998,900
2002-03-27$6.86$6.862,500
2002-03-26$6.75$6.7518,400
2002-03-25$6.75$6.758,700
2002-03-22$6.75$6.757,500
2002-03-21$6.75$6.755,800
2002-03-20$6.75$6.7516,200
2002-03-19$6.72$6.723,500
2002-03-18$6.63$6.6312,300
2002-03-15$6.59$6.591,400
2002-03-14$6.91$6.918,400
2002-03-13$6.84$6.841,400
2002-03-12$6.84$6.843,800
2002-03-11$7.00$7.006,500
2002-03-08$6.98$6.9810,100
2002-03-07$6.99$6.9918,800
2002-03-06$6.40$6.404,400
2002-03-05$6.20$6.203,800
2002-03-04$6.30$6.3029,400
2002-03-01$6.00$6.008,500
2002-02-28$6.10$6.102,400
2002-02-27$6.25$6.25300
2002-02-26$6.30$6.3010,900
2002-02-25$6.29$6.294,800
2002-02-22$6.10$6.1082,700
2002-02-21$6.50$6.502,300
2002-02-20$6.55$6.554,600
2002-02-19$6.80$6.8016,100
2002-02-15$7.10$7.1012,300
2002-02-14$7.25$7.259,000
2002-02-13$7.14$7.1419,300
2002-02-12$6.74$6.746,500
2002-02-11$6.45$6.451,800
2002-02-08$6.65$6.653,300
2002-02-07$6.45$6.452,700
2002-02-06$6.45$6.4513,400
2002-02-05$6.19$6.1923,800
2002-02-04$6.15$6.1514,900
2002-02-01$6.27$6.275,600
2002-01-31$6.29$6.294,700
2002-01-30$6.25$6.252,600
2002-01-29$6.30$6.302,700
2002-01-28$6.50$6.509,700
2002-01-25$6.50$6.509,700
2002-01-24$6.58$6.5818,200
2002-01-23$6.52$6.5212,300
2002-01-22$6.50$6.5013,700
2002-01-18$6.58$6.585,200
2002-01-17$6.75$6.7512,100
2002-01-16$6.34$6.3433,100
2002-01-15$6.05$6.0521,500
2002-01-14$6.55$6.5512,300
2002-01-11$6.58$6.589,300
2002-01-10$6.74$6.7418,900
2002-01-09$6.84$6.8417,800
2002-01-08$6.80$6.802,200
2002-01-07$6.84$6.8427,000
2002-01-04$6.77$6.7722,400
2002-01-03$6.65$6.6533,800
2002-01-02$6.53$6.5375,300