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David Portnoy

Track

Insider profile

Currently holds a position at Cryo-Cell International Inc

Performance

Overall performance
2.6
Performance over holding periods
4.2
30 days 90 days 120 days
Average return 2% 8.2% 15.1%
Success rate 61% 68% 82%
Transactions
160 93% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Performance for realised trades
4.4
Average return -30%
Success rate 73%
Average holding period 220
Transactions 28
Ranking by realised performance

Positions

Position Company Period
Chairman of the Board, Co-Chief Executive Officer Cryo-Cell International Inc Aug. 31, 2011 -
David Portnoy's trades of Cryo-Cell International Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-09-18 2025-09-18
B Purchase
9,982 +46.2%
392.62
US$4,605,721 		9,982 +46.2% 392.62 US$4,605,721
2025-09-18 2025-09-18
B Purchase
58,650 -32.9%
77.60
US$2,975,439 		58,650 -32.9% 77.60 US$2,975,439
2025-09-18 2025-09-17
B Purchase
24,958 -14.2%
92.36
US$286,679 		24,958 -14.2% 92.36 US$286,679
2025-09-18 2025-09-16
B Purchase
6,449 +0.8%
4.46
US$28,763 		6,449 +0.8% 4.46 US$28,763
2025-09-10 2025-09-10
B Purchase
2,087 +3.8%
4.48
US$9,350 		2,087 +3.8% 4.48 US$9,350
2025-09-10 2025-09-10
B Purchase
7,200 +4.7%
4.48
US$32,256 		7,200 +4.7% 4.48 US$32,256
2025-09-10 2025-09-10
B Purchase
7,178 +0.9%
4.42
US$31,727 		7,178 +0.9% 4.42 US$31,727
2025-09-10 2025-09-10
B Purchase
4,817 +4.7%
4.47
US$21,532 		4,817 +4.7% 4.47 US$21,532
2025-09-10 2025-09-10
B Purchase
11,035 +4.3%
4.40
US$48,554 		11,035 +4.3% 4.40 US$48,554
2025-09-10 2025-09-09
B Purchase
156 +1.4%
4.49
US$700 		156 +1.4% 4.49 US$700
2025-09-10 2025-09-09
B Purchase
156 +1.4%
4.48
US$699 		156 +1.4% 4.48 US$699
2025-09-10 2025-09-09
B Purchase
185 +1.6%
4.49
US$831 		185 +1.6% 4.49 US$831
2025-09-10 2025-09-09
B Purchase
4,815 +1.9%
4.49
US$21,619 		4,815 +1.9% 4.49 US$21,619
2025-09-10 2025-09-08
B Purchase
5,271 +2.1%
4.31
US$22,718 		5,271 +2.1% 4.31 US$22,718
2025-08-27 2025-08-27
B Purchase
6,218 +2.6%
4.44
US$27,608 		6,218 +2.6% 4.44 US$27,608
2025-08-27 2025-08-27
B Purchase
7,860 +5.0%
4.42
US$34,741 		7,860 +5.0% 4.42 US$34,741
2025-08-27 2025-08-26
B Purchase
11,101 +7.6%
4.44
US$49,288 		11,101 +7.6% 4.44 US$49,288
2025-08-27 2025-08-25
B Purchase
4,500 +1.9%
4.53
US$20,385 		4,500 +1.9% 4.53 US$20,385
2025-08-27 2025-08-25
B Purchase
5,000 +3.6%
4.65
US$23,250 		5,000 +3.6% 4.65 US$23,250
2025-08-27 2025-08-25
B Purchase
4,500 +3.3%
4.65
US$20,925 		4,500 +3.3% 4.65 US$20,925
2025-08-19 2025-08-19
B Purchase
885 +0.7%
4.37
US$3,867 		885 +0.7% 4.37 US$3,867
2025-08-19 2025-08-18
B Purchase
9,327 +7.4%
4.37
US$40,759 		9,327 +7.4% 4.37 US$40,759
2025-08-19 2025-08-15
B Purchase
6,418 +2.8%
4.43
US$28,432 		6,418 +2.8% 4.43 US$28,432
2025-08-19 2025-08-15
B Purchase
2,671 +2.2%
4.50
US$12,020 		2,671 +2.2% 4.50 US$12,020
2025-08-18 2025-08-14
B Purchase
5,826 +5.0%
4.17
US$24,305 		5,826 +5.0% 4.17 US$24,305
2022-11-21 2022-11-18
B Purchase
2 +0.0%
4.86
US$10 		2 +0.0% 4.86 US$10
2022-11-21 2022-11-18
B Purchase
532 +0.2%
4.90
US$2,607 		532 +0.2% 4.90 US$2,607
2022-11-21 2022-11-17
B Purchase
516 +0.2%
4.90
US$2,528 		516 +0.2% 4.90 US$2,528
2022-11-15 2022-11-15
B Purchase
9,491 +4.3%
4.80
US$45,557 		9,491 +4.3% 4.80 US$45,557
2022-11-15 2022-11-15
S Sale
6,000 -0.7%
4.81
US$28,860 		6,000 -0.7% 4.81 US$28,860
2022-11-15 2022-11-15
S Sale
10,000 -1.2%
4.80
US$48,000 		10,000 -1.2% 4.80 US$48,000
2022-11-15 2022-11-14
B Purchase
10,000 +4.8%
4.80
US$48,000 		10,000 +4.8% 4.80 US$48,000
2022-11-15 2022-11-14
S Sale
10,000 -1.2%
4.80
US$48,000 		10,000 -1.2% 4.80 US$48,000
2022-11-15 2022-11-11
B Purchase
3,000 +1.4%
4.80
US$14,400 		3,000 +1.4% 4.80 US$14,400
2022-11-15 2022-11-11
B Purchase
3,000 +1.5%
4.77
US$14,310 		3,000 +1.5% 4.77 US$14,310
2022-11-15 2022-11-11
S Sale
3,000 -0.4%
4.81
US$14,430 		3,000 -0.4% 4.81 US$14,430
2022-11-15 2022-11-11
S Sale
3,495 -0.4%
4.77
US$16,671 		3,495 -0.4% 4.77 US$16,671
2022-11-15 2022-11-11
S Sale
3,000 -0.4%
4.79
US$14,370 		3,000 -0.4% 4.79 US$14,370
2022-11-10 2022-11-10
B Purchase
3,850 +3.4%
4.90
US$18,865 		3,850 +3.4% 4.90 US$18,865
2022-11-10 2022-11-10
S Sale
5 -0.0%
5.00
US$25 		5 -0.0% 5.00 US$25
2022-11-10 2022-11-10
S Sale
1,500 -0.2%
4.90
US$7,350 		1,500 -0.2% 4.90 US$7,350
2022-11-10 2022-11-10
S Sale
4,000 -0.5%
4.91
US$19,640 		4,000 -0.5% 4.91 US$19,640
2022-11-10 2022-11-08
B Purchase
5,000 +2.5%
4.88
US$24,400 		5,000 +2.5% 4.88 US$24,400
2022-11-10 2022-11-08
B Purchase
15,000 +15.3%
4.90
US$73,500 		15,000 +15.3% 4.90 US$73,500
2022-11-10 2022-11-08
S Sale
10,000 -1.2%
5.01
US$50,100 		10,000 -1.2% 5.01 US$50,100