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 — 1994

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
1994-12-30$4.50$4.505,400
1994-12-29$4.50$4.507,700
1994-12-28$4.25$4.256,000
1994-12-27$4.25$4.253,000
1994-12-23$4.38$4.389,100
1994-12-22$4.63$4.632,100
1994-12-21$4.38$4.384,900
1994-12-20$4.63$4.6347,800
1994-12-19$5.00$5.006,700
1994-12-16$5.00$5.00107,000
1994-12-15$4.63$4.6365,800
1994-12-14$3.75$3.7524,000
1994-12-13$3.81$3.810
1994-12-12$3.81$3.8110,800
1994-12-09$3.88$3.881,700
1994-12-08$3.63$3.633,700
1994-12-07$3.75$3.753,500
1994-12-06$3.75$3.751,200
1994-12-05$3.50$3.500
1994-12-02$3.50$3.500
1994-12-01$3.50$3.501,000
1994-11-30$3.75$3.750
1994-11-29$3.75$3.755,200
1994-11-28$3.50$3.50100
1994-11-25$3.88$3.880
1994-11-23$3.88$3.888,600
1994-11-22$3.50$3.5015,200
1994-11-21$3.88$3.882,200
1994-11-18$3.75$3.750
1994-11-17$3.75$3.750
1994-11-16$3.75$3.755,500
1994-11-15$3.63$3.632,100
1994-11-14$3.75$3.758,400
1994-11-11$3.53$3.530
1994-11-10$3.53$3.537,400
1994-11-09$3.50$3.500
1994-11-08$3.50$3.500
1994-11-07$3.50$3.5010,600
1994-11-04$3.38$3.3813,000
1994-11-03$3.50$3.505,000
1994-11-02$3.38$3.382,900
1994-11-01$3.63$3.632,500
1994-10-31$3.50$3.5020,400
1994-10-28$3.38$3.387,500
1994-10-27$3.38$3.385,800
1994-10-26$3.50$3.503,000
1994-10-25$3.50$3.500
1994-10-24$3.50$3.503,000
1994-10-21$3.50$3.500
1994-10-20$3.50$3.501,200
1994-10-19$3.38$3.380
1994-10-18$3.38$3.381,900
1994-10-17$3.38$3.380
1994-10-14$3.38$3.380
1994-10-13$3.38$3.38300
1994-10-12$3.63$3.630
1994-10-11$3.63$3.630
1994-10-10$3.63$3.630
1994-10-07$3.63$3.632,500
1994-10-06$3.63$3.6311,400
1994-10-05$3.50$3.5010,600
1994-10-04$3.50$3.506,100
1994-10-03$3.38$3.384,100
1994-09-30$3.50$3.502,100
1994-09-29$3.50$3.504,400
1994-09-28$3.50$3.504,800
1994-09-27$3.50$3.507,600
1994-09-26$3.50$3.500
1994-09-23$3.50$3.502,000
1994-09-22$3.75$3.755,000
1994-09-21$3.50$3.501,400
1994-09-20$3.50$3.50200
1994-09-19$3.63$3.630
1994-09-16$3.63$3.638,000
1994-09-15$3.38$3.380
1994-09-14$3.38$3.380
1994-09-13$3.38$3.381,900
1994-09-12$3.38$3.388,400
1994-09-09$3.50$3.501,000
1994-09-08$3.50$3.500
1994-09-07$3.50$3.5017,400
1994-09-06$3.38$3.383,000
1994-09-02$3.38$3.384,500
1994-09-01$3.00$3.007,000
1994-08-31$3.00$3.002,100
1994-08-30$3.25$3.2511,700
1994-08-29$3.00$3.002,000
1994-08-26$3.00$3.001,500
1994-08-25$3.25$3.251,100
1994-08-24$3.25$3.250
1994-08-23$3.25$3.253,000
1994-08-22$3.00$3.003,000
1994-08-19$3.25$3.254,500
1994-08-18$3.00$3.006,300
1994-08-17$3.00$3.001,000
1994-08-16$3.25$3.252,400
1994-08-15$2.75$2.75400
1994-08-12$2.75$2.75100
1994-08-11$2.75$2.750
1994-08-10$2.75$2.750
1994-08-09$2.75$2.750
1994-08-08$2.75$2.751,500
1994-08-05$2.75$2.750
1994-08-04$2.75$2.750
1994-08-03$2.75$2.75200
1994-08-02$2.75$2.750
1994-08-01$2.75$2.75900
1994-07-29$3.00$3.000
1994-07-28$3.00$3.000
1994-07-27$3.00$3.000
1994-07-26$3.00$3.000
1994-07-25$3.00$3.000
1994-07-22$3.00$3.000
1994-07-21$3.00$3.001,000
1994-07-20$2.63$2.635,300
1994-07-19$2.75$2.754,500
1994-07-18$3.00$3.007,100
1994-07-15$3.13$3.131,400
1994-07-14$3.13$3.13600
1994-07-13$3.25$3.250
1994-07-12$3.25$3.250
1994-07-11$3.25$3.250
1994-07-08$3.25$3.259,600
1994-07-07$3.19$3.190
1994-07-06$3.19$3.192,000
1994-07-05$3.25$3.250
1994-07-01$3.25$3.250
1994-06-30$3.25$3.251,200
1994-06-29$3.25$3.252,500
1994-06-28$3.25$3.251,000
1994-06-27$3.25$3.250
1994-06-24$3.25$3.25400
1994-06-23$3.25$3.250
1994-06-22$3.25$3.25100
1994-06-21$3.25$3.253,000
1994-06-20$3.25$3.250
1994-06-17$3.25$3.253,000
1994-06-16$3.25$3.251,000
1994-06-15$3.50$3.500
1994-06-14$3.50$3.50800
1994-06-13$3.38$3.380
1994-06-10$3.38$3.382,000
1994-06-09$3.38$3.383,100
1994-06-08$3.75$3.75300
1994-06-07$3.50$3.502,000
1994-06-06$3.50$3.501,300
1994-06-03$3.50$3.50300
1994-06-02$3.50$3.500
1994-06-01$3.50$3.5015,200
1994-05-31$3.75$3.750
1994-05-27$3.75$3.7510,000
1994-05-26$3.56$3.5610,300
1994-05-25$3.38$3.380
1994-05-24$3.38$3.38300
1994-05-23$3.38$3.380
1994-05-20$3.38$3.381,700
1994-05-19$3.44$3.442,200
1994-05-18$3.41$3.410
1994-05-17$3.41$3.4129,800
1994-05-16$3.25$3.251,500
1994-05-13$3.38$3.3814,000
1994-05-12$3.50$3.5021,100
1994-05-11$3.50$3.508,500
1994-05-10$3.75$3.753,500
1994-05-09$3.38$3.388,600
1994-05-06$3.38$3.380
1994-05-05$3.38$3.381,000
1994-05-04$3.56$3.566,000
1994-05-03$3.69$3.692,300
1994-05-02$3.75$3.751,200
1994-04-29$3.38$3.380
1994-04-28$3.38$3.381,000
1994-04-26$3.50$3.501,800
1994-04-25$3.44$3.443,000
1994-04-22$3.63$3.637,000
1994-04-21$3.38$3.384,500
1994-04-20$3.38$3.380
1994-04-19$3.38$3.38500
1994-04-18$3.63$3.633,000
1994-04-15$3.38$3.383,100
1994-04-14$3.38$3.38500
1994-04-13$3.38$3.383,700
1994-04-12$3.38$3.384,500
1994-04-11$3.38$3.3810,300
1994-04-08$3.56$3.560
1994-04-07$3.56$3.5614,100
1994-04-06$3.50$3.5013,600
1994-04-05$3.88$3.88800
1994-04-04$3.75$3.750
1994-03-31$3.75$3.752,800
1994-03-30$3.38$3.38500
1994-03-29$3.63$3.630
1994-03-28$3.63$3.63200
1994-03-25$3.63$3.631,100
1994-03-24$3.38$3.38500
1994-03-23$3.38$3.384,100
1994-03-22$3.38$3.3810,200
1994-03-21$3.50$3.50500
1994-03-18$3.63$3.632,500
1994-03-17$3.63$3.634,000
1994-03-16$3.63$3.631,500
1994-03-15$3.63$3.635,300
1994-03-14$3.63$3.633,900
1994-03-11$3.50$3.504,100
1994-03-10$3.56$3.562,400
1994-03-09$3.63$3.637,000
1994-03-08$3.38$3.383,700
1994-03-07$3.38$3.380
1994-03-04$3.38$3.385,900
1994-03-03$3.38$3.38800
1994-03-02$3.50$3.502,000
1994-03-01$3.75$3.753,000
1994-02-28$3.75$3.7510,500
1994-02-25$3.50$3.502,200
1994-02-24$3.88$3.884,000
1994-02-23$3.63$3.631,100
1994-02-22$3.75$3.755,200
1994-02-18$3.81$3.819,800
1994-02-17$3.75$3.751,000
1994-02-16$3.50$3.50100
1994-02-15$3.50$3.509,200
1994-02-14$3.75$3.751,400
1994-02-11$3.81$3.8110,000
1994-02-10$3.75$3.7538,800
1994-02-09$3.75$3.7511,500
1994-02-08$3.50$3.503,800
1994-02-07$3.50$3.5021,500
1994-02-04$3.38$3.381,800
1994-02-03$3.63$3.63100
1994-02-02$3.63$3.632,000
1994-02-01$3.38$3.3811,900
1994-01-31$3.50$3.501,100
1994-01-28$3.69$3.690
1994-01-27$3.69$3.694,000
1994-01-26$3.88$3.880
1994-01-25$3.88$3.880
1994-01-24$3.88$3.881,200
1994-01-21$3.88$3.8810,600
1994-01-20$3.50$3.5018,000
1994-01-19$3.38$3.383,500
1994-01-18$3.75$3.750
1994-01-17$3.75$3.754,300
1994-01-14$3.63$3.635,500
1994-01-13$3.50$3.503,300
1994-01-12$3.13$3.132,000
1994-01-11$3.25$3.252,300
1994-01-10$3.38$3.382,000
1994-01-07$3.13$3.130
1994-01-06$3.13$3.13600
1994-01-05$3.00$3.000
1994-01-04$3.00$3.000
1994-01-03$3.00$3.000