NASDAQ:NEOG | Historical Stock Price | NEOGEN CORP

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
1989-08-23 to 2026-09-04
Data captured

Stock Price Chart

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

$0.12$0.39$1.32$4.44$14.97$50.421989-08-232026-08-27

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

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Historical Stock Price — 1998

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
1998-12-31$0.63$0.63537,616
1998-12-30$0.62$0.62446,513
1998-12-29$0.62$0.62345,289
1998-12-28$0.62$0.62293,552
1998-12-24$0.63$0.63219,320
1998-12-23$0.62$0.62303,674
1998-12-22$0.62$0.62344,164
1998-12-21$0.63$0.63209,198
1998-12-18$0.63$0.63639,965
1998-12-17$0.62$0.62689,453
1998-12-16$0.62$0.62424,019
1998-12-15$0.60$0.6071,982
1998-12-14$0.62$0.62257,561
1998-12-11$0.61$0.61583,729
1998-12-10$0.62$0.62221,570
1998-12-09$0.63$0.63319,420
1998-12-08$0.62$0.62312,672
1998-12-07$0.62$0.62344,164
1998-12-04$0.63$0.63235,066
1998-12-03$0.64$0.6442,739
1998-12-02$0.63$0.63197,951
1998-12-01$0.63$0.63276,681
1998-11-30$0.63$0.63238,440
1998-11-27$0.62$0.6240,490
1998-11-25$0.63$0.6383,229
1998-11-24$0.61$0.61395,901
1998-11-23$0.64$0.64780,555
1998-11-20$0.62$0.62485,879
1998-11-19$0.62$0.62128,218
1998-11-18$0.62$0.62107,973
1998-11-17$0.62$0.62309,298
1998-11-16$0.61$0.61160,835
1998-11-13$0.62$0.62131,592
1998-11-12$0.62$0.6235,991
1998-11-11$0.61$0.61133,842
1998-11-10$0.62$0.62428,518
1998-11-09$0.64$0.64103,474
1998-11-06$0.64$0.64316,046
1998-11-05$0.62$0.62141,715
1998-11-04$0.62$0.62229,443
1998-11-03$0.63$0.63100,100
1998-11-02$0.64$0.6457,361
1998-10-30$0.63$0.6348,363
1998-10-29$0.63$0.63101,225
1998-10-28$0.61$0.6124,744
1998-10-27$0.62$0.62187,828
1998-10-26$0.59$0.59119,220
1998-10-23$0.61$0.6148,363
1998-10-22$0.63$0.6367,483
1998-10-21$0.61$0.6140,490
1998-10-20$0.61$0.6194,476
1998-10-19$0.64$0.64210,322
1998-10-16$0.64$0.6450,612
1998-10-15$0.63$0.6325,869
1998-10-14$0.63$0.63262,059
1998-10-13$0.62$0.6257,361
1998-10-12$0.60$0.6091,102
1998-10-09$0.59$0.59116,971
1998-10-08$0.58$0.58127,093
1998-10-07$0.62$0.6232,617
1998-10-06$0.63$0.63114,721
1998-10-05$0.61$0.61152,962
1998-10-02$0.68$0.68470,132
1998-10-01$0.63$0.6382,104
1998-09-30$0.64$0.6479,855
1998-09-29$0.67$0.67266,558
1998-09-28$0.67$0.6735,991
1998-09-25$0.67$0.67134,966
1998-09-24$0.64$0.64188,953
1998-09-23$0.64$0.64224,944
1998-09-22$0.61$0.61130,467
1998-09-21$0.59$0.59513,996
1998-09-18$0.56$0.56227,193
1998-09-17$0.55$0.55224,944
1998-09-16$0.55$0.55116,971
1998-09-15$0.54$0.54183,329
1998-09-14$0.53$0.53203,574
1998-09-11$0.51$0.51190,077
1998-09-10$0.54$0.54314,921
1998-09-09$0.56$0.5651,737
1998-09-08$0.56$0.5673,107
1998-09-04$0.58$0.58110,222
1998-09-03$0.56$0.56158,585
1998-09-02$0.56$0.56201,325
1998-09-01$0.58$0.58125,969
1998-08-31$0.58$0.58137,216
1998-08-28$0.54$0.54326,168
1998-08-27$0.61$0.61292,427
1998-08-26$0.60$0.60163,084
1998-08-25$0.63$0.6365,234
1998-08-24$0.63$0.63183,329
1998-08-21$0.62$0.621,155,086
1998-08-20$0.64$0.6449,488
1998-08-19$0.63$0.63107,973
1998-08-18$0.64$0.6461,860
1998-08-17$0.64$0.6489,978
1998-08-14$0.66$0.66183,329
1998-08-13$0.64$0.64449,888
1998-08-12$0.63$0.6331,492
1998-08-11$0.66$0.6691,102
1998-08-10$0.67$0.67149,588
1998-08-07$0.65$0.6574,231
1998-08-06$0.64$0.64104,599
1998-08-05$0.64$0.64175,456
1998-08-04$0.63$0.63195,701
1998-08-03$0.64$0.6430,367
1998-07-31$0.64$0.6440,490
1998-07-30$0.63$0.6380,980
1998-07-29$0.66$0.6660,735
1998-07-28$0.64$0.64142,839
1998-07-27$0.67$0.6787,728
1998-07-24$0.67$0.67417,271
1998-07-23$0.67$0.67146,213
1998-07-22$0.66$0.66244,064
1998-07-21$0.62$0.62304,799
1998-07-20$0.62$0.62124,844
1998-07-17$0.63$0.63172,082
1998-07-16$0.61$0.61211,447
1998-07-15$0.61$0.61428,518
1998-07-14$0.64$0.64220,445
1998-07-13$0.63$0.63344,164
1998-07-10$0.67$0.67205,824
1998-07-09$0.66$0.6629,243
1998-07-08$0.66$0.66354,286
1998-07-07$0.67$0.6794,476
1998-07-06$0.64$0.6443,864
1998-07-02$0.67$0.67121,470
1998-07-01$0.64$0.6458,485
1998-06-30$0.67$0.67221,570
1998-06-29$0.64$0.64452,137
1998-06-26$0.68$0.68112,472
1998-06-25$0.66$0.66106,848
1998-06-24$0.66$0.66211,447
1998-06-23$0.66$0.66354,286
1998-06-22$0.64$0.6469,733
1998-06-19$0.66$0.66174,331
1998-06-18$0.66$0.66208,073
1998-06-17$0.66$0.66512,872
1998-06-16$0.64$0.64371,157
1998-06-15$0.63$0.63695,076
1998-06-12$0.64$0.64124,844
1998-06-11$0.67$0.67401,525
1998-06-10$0.66$0.66479,130
1998-06-09$0.67$0.67385,779
1998-06-08$0.68$0.681,183,204
1998-06-05$0.69$0.69774,931
1998-06-04$0.78$0.78232,817
1998-06-03$0.80$0.80187,828
1998-06-02$0.79$0.79229,443
1998-06-01$0.78$0.78251,937
1998-05-29$0.78$0.78379,030
1998-05-28$0.81$0.81451,012
1998-05-27$0.80$0.80908,773
1998-05-26$0.84$0.84289,053
1998-05-22$0.87$0.8792,227
1998-05-21$0.89$0.89190,077
1998-05-20$0.88$0.8898,975
1998-05-19$0.88$0.88157,461
1998-05-18$0.89$0.89199,075
1998-05-15$0.86$0.86215,946
1998-05-14$0.88$0.8895,601
1998-05-13$0.88$0.88211,447
1998-05-12$0.87$0.87424,019
1998-05-11$0.88$0.8869,733
1998-05-08$0.89$0.89419,520
1998-05-07$0.89$0.8940,490
1998-05-06$0.89$0.8993,352
1998-05-05$0.89$0.89170,957
1998-05-04$0.90$0.90475,756
1998-05-01$0.89$0.89480,255
1998-04-30$0.91$0.91859,285
1998-04-29$0.89$0.8978,730
1998-04-28$0.90$0.9094,476
1998-04-27$0.89$0.89165,334
1998-04-24$0.90$0.90281,180
1998-04-23$0.89$0.89363,284
1998-04-22$0.89$0.89392,527
1998-04-21$0.90$0.90149,588
1998-04-20$0.91$0.91201,325
1998-04-17$0.93$0.93132,717
1998-04-16$0.94$0.94148,463
1998-04-15$0.94$0.9480,980
1998-04-14$0.93$0.93149,588
1998-04-13$0.89$0.89353,162
1998-04-09$0.93$0.93173,207
1998-04-08$0.96$0.96524,119
1998-04-07$0.99$0.99148,463
1998-04-06$1.00$1.0092,227
1998-04-03$1.02$1.02226,068
1998-04-02$1.01$1.01205,824
1998-04-01$1.00$1.00202,449
1998-03-31$1.03$1.03157,461
1998-03-30$1.01$1.01210,322
1998-03-27$1.04$1.04298,050
1998-03-26$1.04$1.04176,581
1998-03-25$1.06$1.06567,983
1998-03-24$1.01$1.01121,470
1998-03-23$0.98$0.98511,747
1998-03-20$1.00$1.00617,471
1998-03-19$1.00$1.00410,522
1998-03-18$1.00$1.00582,604
1998-03-17$1.01$1.01406,023
1998-03-16$1.09$1.09370,032
1998-03-13$1.03$1.03309,298
1998-03-12$1.00$1.00164,209
1998-03-11$1.02$1.0291,102
1998-03-10$1.03$1.03359,910
1998-03-09$1.01$1.01179,955
1998-03-06$1.00$1.00344,164
1998-03-05$1.02$1.02201,325
1998-03-04$1.03$1.03129,343
1998-03-03$1.03$1.03418,395
1998-03-02$1.03$1.03246,313
1998-02-27$1.09$1.09106,848
1998-02-26$1.07$1.07233,942
1998-02-25$1.10$1.1079,855
1998-02-24$1.14$1.14142,839
1998-02-23$1.17$1.17167,583
1998-02-20$1.16$1.1639,365
1998-02-19$1.20$1.20148,463
1998-02-18$1.20$1.20172,082
1998-02-17$1.23$1.23803,049
1998-02-13$1.14$1.14379,030
1998-02-12$1.10$1.10112,472
1998-02-11$1.08$1.08260,935
1998-02-10$1.10$1.10478,005
1998-02-09$1.04$1.0486,603
1998-02-06$1.06$1.06112,472
1998-02-05$1.06$1.06263,184
1998-02-04$1.07$1.07154,086
1998-02-03$1.06$1.06183,329
1998-02-02$1.03$1.03131,592
1998-01-30$1.03$1.0362,984
1998-01-29$1.04$1.0453,987
1998-01-28$1.06$1.06109,098
1998-01-27$1.03$1.03138,340
1998-01-26$1.07$1.0798,975
1998-01-23$0.99$0.99200,200
1998-01-22$1.04$1.0477,606
1998-01-21$1.09$1.09392,527
1998-01-20$1.11$1.11250,812
1998-01-16$1.07$1.0721,370
1998-01-15$1.02$1.0229,243
1998-01-14$1.02$1.0247,238
1998-01-13$1.04$1.0493,352
1998-01-12$1.04$1.04158,585
1998-01-09$1.02$1.02178,830
1998-01-08$1.14$1.1450,612
1998-01-07$1.11$1.11426,268
1998-01-06$1.14$1.14413,897
1998-01-05$1.16$1.16366,658
1998-01-02$1.09$1.09302,549