NASDAQ:CLDX | Stock Price History | 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.

Historical Stock Price

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2026-09-04$38.9918,796
2026-09-03$39.5217,585
2026-09-02$40.1313,784
2026-09-01$39.3135,900
2026-08-31$38.9431,783
2026-08-28$40.2229,017
2026-08-27$40.46$40.46450,000$40.7528,549
2026-08-26$40.57$40.57540,700$41.3933,317
2026-08-25$41.22$41.22550,900$40.7649,005
2026-08-24$40.57$40.57416,900$40.4322,662
2026-08-21$40.38$40.38837,700$40.2254,374
2026-08-20$39.94$39.941,002,500$41.7434,178
2026-08-19$41.70$41.701,392,300$42.3874,173
2026-08-18$41.79$41.79999,000$41.4549,715
2026-08-17$41.92$41.92629,800$41.5143,279
2026-08-14$41.95$41.95849,400$42.3546,973
2026-08-13$42.61$42.61670,900$44.8153,761
2026-08-12$44.87$44.871,594,600$44.4043,537
2026-08-11$44.33$44.33767,400$43.2062,059
2026-08-10$42.97$42.97727,600$42.2334,286
2026-08-07$41.71$41.71808,900$42.0746,539
2026-08-06$41.56$41.56799,100$41.4072,000
2026-08-05$41.06$41.06788,900$39.4162,345
2026-08-04$39.05$39.051,027,500$37.9735,711
2026-08-03$37.69$37.691,635,200$38.1394,695
2026-07-31$38.06$38.06875,700$38.2754,882
2026-07-30$38.49$38.49743,200$37.4148,074
2026-07-29$37.51$37.511,572,700$36.2770,027
2026-07-28$35.58$35.58565,500$35.6538,134
2026-07-27$35.65$35.651,040,900$35.5344,380
2026-07-24$35.28$35.28639,200$35.4252,898
2026-07-23$35.42$35.42856,500$34.0860,134
2026-07-22$34.77$34.771,928,800$34.0988,586
2026-07-21$35.66$35.661,392,000$35.4456,177
2026-07-20$35.42$35.42527,600$36.5742,067
2026-07-17$35.35$35.351,149,100
2026-07-16$35.40$35.40954,900
2026-07-15$38.31$38.31534,000
2026-07-14$38.17$38.17702,100
2026-07-13$38.53$38.53660,200
2026-07-10$39.11$39.11694,000
2026-07-09$38.98$38.98612,500
2026-07-08$38.96$38.961,618,300
2026-07-07$39.93$39.931,701,300
2026-07-06$37.95$37.95470,300
2026-07-02$38.37$38.37876,800
2026-07-01$36.78$36.78679,500
2026-06-30$37.21$37.212,473,000
2026-06-29$37.44$37.441,579,600
2026-06-26$35.26$35.264,785,800
2026-06-25$34.09$34.091,143,600
2026-06-24$33.78$33.781,227,400
2026-06-23$32.98$32.98669,800
2026-06-22$33.41$33.411,957,800
2026-06-18$32.43$32.432,378,400
2026-06-17$32.93$32.93991,600
2026-06-16$32.32$32.32999,400
2026-06-15$32.12$32.121,007,200
2026-06-12$31.27$31.27599,800
2026-06-11$29.96$29.96982,700
2026-06-10$29.35$29.35490,400
2026-06-09$29.60$29.60616,900
2026-06-08$28.56$28.56629,700
2026-06-05$28.62$28.621,273,500
2026-06-04$29.93$29.93592,000
2026-06-03$29.77$29.77876,100
2026-06-02$28.90$28.90918,500
2026-06-01$30.14$30.141,020,300
2026-05-29$31.43$31.43494,700
2026-05-28$31.70$31.70727,100
2026-05-27$31.65$31.65503,000
2026-05-26$30.85$30.85726,200
2026-05-22$30.73$30.73582,900
2026-05-21$30.58$30.58904,400
2026-05-20$30.90$30.90738,800
2026-05-19$30.15$30.15566,600
2026-05-18$30.22$30.22826,000
2026-05-15$31.34$31.34682,000
2026-05-14$32.45$32.45576,700
2026-05-13$32.51$32.511,157,200
2026-05-12$32.00$32.00773,800
2026-05-11$32.28$32.28960,300
2026-05-08$33.97$33.97794,100
2026-05-07$33.32$33.32886,600
2026-05-06$34.39$34.39534,800
2026-05-05$33.86$33.86725,600
2026-05-04$32.77$32.77481,100
2026-05-01$32.31$32.31411,500
2026-04-30$32.88$32.88648,000
2026-04-29$32.14$32.14602,800
2026-04-28$33.23$33.23770,400
2026-04-27$33.66$33.66851,900
2026-04-24$33.29$33.29597,100
2026-04-23$33.55$33.55728,800
2026-04-22$34.21$34.21787,300
2026-04-21$34.25$34.25797,900
2026-04-20$34.38$34.38943,300
2026-04-17$34.55$34.551,481,100
2026-04-16$33.86$33.86853,200
2026-04-15$33.87$33.87971,700