NASDAQ:CLDX | Historical Stock Price | Celldex Therapeutics, 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
1986-05-15 to 2026-09-04
Data captured

Stock Price Chart

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

$1.70$7.29$31.23$133.81$573.38$2,457.001986-05-152026-08-27

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

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Historical Stock Price — 2005

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2005-12-30$338.40$338.405,334
2005-12-29$333.00$333.004,666
2005-12-28$316.80$316.802,712
2005-12-27$325.80$325.802,172
2005-12-23$336.60$336.604,247
2005-12-22$342.00$342.003,195
2005-12-21$333.00$333.002,199
2005-12-20$325.80$325.802,007
2005-12-19$318.60$318.605,767
2005-12-16$336.60$336.6014,032
2005-12-15$383.40$383.4025,504
2005-12-14$315.00$315.00837
2005-12-13$316.80$316.801,647
2005-12-12$306.00$306.001,127
2005-12-09$293.40$293.40719
2005-12-08$297.00$297.001,748
2005-12-07$307.80$307.801,151
2005-12-06$320.40$320.401,091
2005-12-05$318.60$318.601,514
2005-12-02$331.20$331.202,699
2005-12-01$315.00$315.001,007
2005-11-30$322.20$322.20841
2005-11-29$320.40$320.402,567
2005-11-28$298.80$298.801,782
2005-11-25$295.20$295.20499
2005-11-23$295.20$295.201,406
2005-11-22$306.00$306.002,068
2005-11-21$315.00$315.002,617
2005-11-18$333.00$333.005,346
2005-11-17$313.20$313.203,336
2005-11-16$327.60$327.606,001
2005-11-15$289.80$289.803,208
2005-11-14$306.00$306.009,049
2005-11-11$262.80$262.801,851
2005-11-10$271.80$271.802,072
2005-11-09$288.00$288.00945
2005-11-08$288.00$288.001,573
2005-11-07$297.00$297.00951
2005-11-04$284.40$284.401,428
2005-11-03$293.40$293.402,837
2005-11-02$273.60$273.604,399
2005-11-01$295.20$295.205,957
2005-10-31$246.60$246.60947
2005-10-28$237.60$237.601,286
2005-10-27$239.40$239.404,988
2005-10-26$288.00$288.0012,629
2005-10-25$248.40$248.401,080
2005-10-24$241.20$241.20590
2005-10-21$241.20$241.201,339
2005-10-20$243.00$243.00571
2005-10-19$243.00$243.00583
2005-10-18$248.40$248.401,307
2005-10-17$259.20$259.201,864
2005-10-14$232.20$232.20679
2005-10-13$226.80$226.80610
2005-10-12$226.80$226.801,052
2005-10-11$241.20$241.201,573
2005-10-10$244.80$244.801,607
2005-10-07$230.40$230.40726
2005-10-06$232.20$232.20587
2005-10-05$230.40$230.401,472
2005-10-04$230.40$230.40904
2005-10-03$234.00$234.00352
2005-09-30$234.00$234.00567
2005-09-29$232.20$232.20789
2005-09-28$237.60$237.60553
2005-09-27$237.60$237.60747
2005-09-26$239.40$239.40228
2005-09-23$250.20$250.20341
2005-09-22$241.20$241.20341
2005-09-21$243.00$243.00508
2005-09-20$250.20$250.20386
2005-09-19$250.20$250.20488
2005-09-16$248.40$248.40342
2005-09-15$246.60$246.60884
2005-09-14$246.60$246.60372
2005-09-13$243.00$243.00648
2005-09-12$252.00$252.00756
2005-09-09$252.00$252.00748
2005-09-08$262.80$262.802,874
2005-09-07$250.20$250.20910
2005-09-06$257.40$257.401,582
2005-09-02$252.00$252.001,739
2005-09-01$235.80$235.80967
2005-08-31$235.80$235.80570
2005-08-30$235.80$235.80381
2005-08-29$234.00$234.001,245
2005-08-26$237.60$237.60427
2005-08-25$234.00$234.00949
2005-08-24$235.80$235.80731
2005-08-23$230.40$230.40993
2005-08-22$232.20$232.20527
2005-08-19$232.20$232.20476
2005-08-18$226.80$226.801,359
2005-08-17$232.20$232.20427
2005-08-16$230.40$230.401,101
2005-08-15$232.20$232.20520
2005-08-12$234.00$234.00712
2005-08-11$230.40$230.40936
2005-08-10$230.40$230.401,318
2005-08-09$232.20$232.20858
2005-08-08$232.20$232.201,686
2005-08-05$235.80$235.80538
2005-08-04$239.40$239.40845
2005-08-03$234.00$234.001,846
2005-08-02$244.80$244.80644
2005-08-01$237.60$237.60538
2005-07-29$241.20$241.201,513
2005-07-28$244.80$244.802,159
2005-07-27$253.80$253.805,299
2005-07-26$248.40$248.40706
2005-07-25$248.40$248.40518
2005-07-22$252.00$252.00921
2005-07-21$253.80$253.802,442
2005-07-20$257.40$257.401,529
2005-07-19$259.20$259.201,758
2005-07-18$252.00$252.002,397
2005-07-15$235.80$235.80834
2005-07-14$234.00$234.001,318
2005-07-13$228.60$228.60637
2005-07-12$228.60$228.601,258
2005-07-11$234.00$234.00997
2005-07-08$246.60$246.603,251
2005-07-07$237.60$237.604,658
2005-07-06$223.20$223.201,353
2005-07-05$214.20$214.201,664
2005-07-01$219.60$219.601,558
2005-06-30$210.60$210.601,231
2005-06-29$208.80$208.801,372
2005-06-28$208.80$208.801,484
2005-06-27$208.80$208.802,468
2005-06-24$217.80$217.8012,481
2005-06-23$223.20$223.202,868
2005-06-22$226.80$226.801,983
2005-06-21$230.40$230.402,253
2005-06-20$221.40$221.402,322
2005-06-17$228.60$228.603,971
2005-06-16$221.40$221.402,661
2005-06-15$221.40$221.401,680
2005-06-14$223.20$223.201,634
2005-06-13$221.40$221.401,750
2005-06-10$230.40$230.401,218
2005-06-09$234.00$234.001,697
2005-06-08$230.40$230.401,970
2005-06-07$232.20$232.201,198
2005-06-06$232.20$232.201,814
2005-06-03$237.60$237.601,884
2005-06-02$243.00$243.001,538
2005-06-01$259.20$259.201,856
2005-05-31$255.60$255.602,423
2005-05-27$261.00$261.00987
2005-05-26$270.00$270.001,194
2005-05-25$252.00$252.00891
2005-05-24$261.00$261.001,679
2005-05-23$259.20$259.202,553
2005-05-20$244.80$244.80961
2005-05-19$246.60$246.602,199
2005-05-18$252.00$252.006,889
2005-05-17$234.00$234.00764
2005-05-16$232.20$232.20558
2005-05-13$226.80$226.801,559
2005-05-12$234.00$234.00632
2005-05-11$230.40$230.40939
2005-05-10$234.00$234.002,071
2005-05-09$239.40$239.402,428
2005-05-06$225.00$225.001,846
2005-05-05$235.80$235.802,051
2005-05-04$257.40$257.401,764
2005-05-03$223.20$223.201,140
2005-05-02$225.00$225.001,236
2005-04-29$219.60$219.602,615
2005-04-28$234.00$234.001,073
2005-04-27$248.40$248.40797
2005-04-26$244.80$244.801,538
2005-04-25$262.80$262.801,112
2005-04-22$270.00$270.001,300
2005-04-21$264.60$264.60968
2005-04-20$255.60$255.601,378
2005-04-19$266.40$266.401,166
2005-04-18$264.60$264.602,259
2005-04-15$239.40$239.401,771
2005-04-14$248.40$248.401,140
2005-04-13$252.00$252.00822
2005-04-12$259.20$259.202,410
2005-04-11$255.60$255.602,146
2005-04-08$270.00$270.002,159
2005-04-07$275.40$275.40749
2005-04-06$279.00$279.002,321
2005-04-05$280.80$280.801,000
2005-04-04$280.80$280.80947
2005-04-01$288.00$288.001,827
2005-03-31$293.40$293.401,722
2005-03-30$293.40$293.401,270
2005-03-29$289.80$289.801,374
2005-03-28$295.20$295.20781
2005-03-24$291.60$291.601,077
2005-03-23$288.00$288.001,426
2005-03-22$286.20$286.201,292
2005-03-21$289.80$289.801,192
2005-03-18$286.20$286.202,841
2005-03-17$300.60$300.601,814
2005-03-16$291.60$291.602,373
2005-03-15$320.40$320.4011,089
2005-03-14$298.80$298.801,767
2005-03-11$297.00$297.00979
2005-03-10$295.20$295.202,032
2005-03-09$298.80$298.801,395
2005-03-08$297.00$297.001,377
2005-03-07$302.40$302.402,326
2005-03-04$298.80$298.801,703
2005-03-03$297.00$297.002,371
2005-03-02$309.60$309.602,139
2005-03-01$302.40$302.401,290
2005-02-28$302.40$302.401,900
2005-02-25$291.60$291.601,637
2005-02-24$291.60$291.601,750
2005-02-23$286.20$286.201,584
2005-02-22$286.20$286.203,129
2005-02-18$304.20$304.203,445
2005-02-17$309.60$309.60878
2005-02-16$320.40$320.40974
2005-02-15$309.60$309.601,281
2005-02-14$313.20$313.201,517
2005-02-11$322.20$322.201,442
2005-02-10$316.80$316.801,399
2005-02-09$315.00$315.001,493
2005-02-08$327.60$327.60737
2005-02-07$331.20$331.201,817
2005-02-04$333.00$333.001,906
2005-02-03$318.60$318.601,342
2005-02-02$325.80$325.801,289
2005-02-01$322.20$322.202,464
2005-01-31$325.80$325.801,846
2005-01-28$316.80$316.80963
2005-01-27$324.00$324.00974
2005-01-26$325.80$325.801,652
2005-01-25$325.80$325.802,139
2005-01-24$324.00$324.003,626
2005-01-21$347.40$347.401,561
2005-01-20$349.20$349.201,242
2005-01-19$356.40$356.401,373
2005-01-18$360.00$360.001,179
2005-01-14$367.20$367.20884
2005-01-13$358.20$358.203,231
2005-01-12$369.00$369.001,328
2005-01-11$370.80$370.803,383
2005-01-10$390.60$390.605,599
2005-01-07$374.40$374.401,955
2005-01-06$369.00$369.002,512
2005-01-05$360.00$360.001,364
2005-01-04$367.20$367.202,860
2005-01-03$369.00$369.002,652