Portnoy David (CIK 0001315416)

Latest company ownership

Shares held
1,348,508
Last filed at
Nov 24, 2025
Confidence Score
59.4
2025Q4
Confidence Score History
2012Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Sep 16, 2025 Sep 18, 2025 CRYO CELL INTERNATIONAL INC CEO Buy 82.5 +17,175 1.07% $76.5K
Sep 8, 2025 Sep 10, 2025 CRYO CELL INTERNATIONAL INC CEO Buy 87.5 +42,900 2.65% $190K
Aug 25, 2025 Aug 27, 2025 CRYO CELL INTERNATIONAL INC CEO Buy 82.5 +39,179 2.45% $176.2K
Aug 15, 2025 Aug 19, 2025 CRYO CELL INTERNATIONAL INC CEO Buy 82.5 +19,301 1.22% $85.1K
Aug 14, 2025 Aug 18, 2025 CRYO CELL INTERNATIONAL INC CEO Buy 61.3 +5,826 0.37% $24.3K
Nov 17, 2022 Nov 21, 2022 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +1,050 0.07% $5.1K
Nov 11, 2022 Nov 15, 2022 CRYO CELL INTERNATIONAL INC CEO Sell 36.3 -10,004 -0.63% $48.1K
Nov 8, 2022 Nov 10, 2022 CRYO CELL INTERNATIONAL INC CEO Buy 26.3 -15,751 -1.01% $14.4K
Aug 24, 2021 Aug 26, 2021 CRYO CELL INTERNATIONAL INC CEO Sell 20.0 -25,500 -1.64% $267.8K
Jul 23, 2021 Jul 26, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 47.5 +158 0.01% $1.5K
Jul 19, 2021 Jul 20, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 47.5 +100 0.01% $923.5
May 27, 2021 May 27, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +946 0.06% $8.2K
May 21, 2021 May 25, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +1,000 0.08% $8.5K
May 13, 2021 May 18, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 56.3 +2,000 0.16% $17.1K
May 10, 2021 May 12, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 56.3 +1,657 0.13% $14.4K
May 3, 2021 May 5, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 56.3 +1,374 0.11% $11.6K
Apr 27, 2021 Apr 28, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 56.3 +2,453 0.20% $22.4K
Apr 22, 2021 Apr 26, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 56.3 +1,780 0.14% $17.6K
Apr 16, 2021 Apr 20, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 72.5 +11,000 0.90% $108.9K
Jan 25, 2021 Jan 26, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 61.3 +4,000 0.33% $32.4K
Jan 15, 2021 Jan 20, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 72.5 +11,000 0.91% $88.5K
Jan 13, 2021 Jan 15, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 82.5 +15,500 1.29% $123.6K
Jan 8, 2021 Jan 12, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +1,000 0.08% $7.5K
Jan 4, 2021 Jan 6, 2021 CRYO CELL INTERNATIONAL INC CEO Buy 56.3 +2,081 0.17% $15.4K
Nov 16, 2020 Nov 18, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 56.3 +2,000 0.17% $15.6K
Nov 11, 2020 Nov 13, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 56.3 +1,660 0.14% $12K
Nov 6, 2020 Nov 10, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 61.3 +3,436 0.29% $24.3K
Nov 3, 2020 Nov 5, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 72.5 +9,940 0.84% $65.7K
Oct 29, 2020 Nov 2, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 82.5 +17,750 1.53% $122.1K
Oct 22, 2020 Oct 26, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 72.5 +9,897 0.86% $77.1K
Oct 19, 2020 Oct 21, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 56.3 +2,000 0.17% $13.9K
Aug 7, 2020 Aug 10, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 72.5 +8,300 0.73% $74.4K
Aug 6, 2020 Aug 6, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 72.5 +5,817 0.54% $50.6K
Jul 29, 2020 Aug 3, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 72.5 +7,843 0.70% $66.1K
Jul 22, 2020 Jul 24, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 82.5 +17,620 1.64% $145.4K
Jun 15, 2020 Jun 16, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 72.5 +30,297 0.62% $240.5K
Jun 4, 2020 Jun 8, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 26.3 -1,760,089 -33.89% $13.1K
May 28, 2020 Jun 2, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 26.3 -1,628,065 -23.87% $12.2K
May 6, 2020 May 14, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 26.3 -3,015,712 -79.47% $22.3K
May 4, 2020 May 6, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 27.5 -984,288 -12.36% $7.3K
Apr 30, 2020 May 4, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 26.3 -5,183,546 -56.44% $40.1K
Apr 28, 2020 Apr 30, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 27.5 -816,454 -8.16% $6.3K
Feb 19, 2020 Feb 21, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 26.3 -5,000,000 -33.33% $42.5K
Feb 12, 2020 Feb 13, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 26.3 -5,313,710 -13.93% $44.3K
Feb 3, 2020 Feb 5, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 27.5 -361,290 -4.11% $3K
Jan 30, 2020 Feb 3, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 26.3 -4,000,000 -16.67% $32K
Jan 29, 2020 Jan 30, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 27.5 -1,000,000 -4.00% $8K
Jan 3, 2020 Jan 7, 2020 CRYO CELL INTERNATIONAL INC CEO Sell 27.5 -1,000,000 -10.21% $8K
Nov 21, 2019 Nov 25, 2019 CRYO CELL INTERNATIONAL INC CEO Sell 20.0 -157,472 -7.34% $534.9K
Nov 15, 2019 Nov 19, 2019 CRYO CELL INTERNATIONAL INC 10% Owner Sell 26.3 -1,478,622 -13.12% $11.8K
Jan 31, 2019 Feb 4, 2019 CRYO CELL INTERNATIONAL INC CEO Buy 61.3 +3,800 0.32% $25.6K
Aug 16, 2018 Aug 17, 2018 CRYO CELL INTERNATIONAL INC 10% Owner Sell 26.3 -5,000,000 -30.73% $31K
Aug 16, 2018 Aug 17, 2018 CRYO CELL INTERNATIONAL INC CEO Buy 61.3 +4,500 0.38% $37.1K
Aug 13, 2018 Aug 15, 2018 CRYO CELL INTERNATIONAL INC CEO Buy 61.3 +4,361 0.37% $35.9K
Feb 22, 2018 Feb 26, 2018 CRYO CELL INTERNATIONAL INC 10% Owner Buy 85.0 +1,206,705 7.42% $5.4K
Aug 12, 2015 Aug 14, 2015 CRYO CELL INTERNATIONAL INC CEO Buy 68.8 +5,600 0.67% $17K
May 7, 2015 May 11, 2015 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +3,000 0.36% $7.3K
Apr 6, 2015 Apr 8, 2015 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +634 0.08% $1.6K
Mar 27, 2015 Apr 2, 2015 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +2,744 0.33% $7K
Mar 27, 2015 Mar 31, 2015 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +2,283 0.28% $5.8K
Mar 5, 2015 Mar 9, 2015 CRYO CELL INTERNATIONAL INC CEO Buy 68.8 +4,653 0.57% $11.6K
Feb 24, 2015 Feb 26, 2015 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +2,599 0.32% $6.5K
Feb 11, 2015 Feb 13, 2015 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +1,000 0.12% $2.5K
Feb 4, 2015 Feb 4, 2015 CRYO CELL INTERNATIONAL INC CEO Buy 68.8 +6,900 0.74% $15.6K
Jan 26, 2015 Jan 28, 2015 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +1,519 0.19% $3.4K
Dec 10, 2014 Dec 11, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +490 0.07% $1.2K
Dec 5, 2014 Dec 9, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +3,400 0.48% $8.6K
Nov 6, 2014 Nov 10, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +2,281 0.32% $5.6K
Oct 20, 2014 Oct 22, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +3,180 0.45% $9.4K
Apr 1, 2014 Apr 1, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +2,643 0.37% $5.9K
Feb 4, 2014 Mar 20, 2014 CRYO CELL INTERNATIONAL INC CEO Sell 26.3 -21,517 -2.96% $45.2K
May 14, 2013 Mar 20, 2014 CRYO CELL INTERNATIONAL INC CEO Sell 26.3 -12,334 -1.67% $24.6K
Mar 18, 2013 Mar 20, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 90.0 +50,851 7.38% $102K
Oct 24, 2013 Mar 10, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 78.8 +8,315 1.04% $17.3K
Feb 5, 2014 Feb 5, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 83.8 +21,880 3.08% $42.9K
Dec 31, 2013 Jan 2, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +1,499 0.21% $2.8K
Dec 20, 2013 Dec 24, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +2,001 0.28% $3.8K
Oct 22, 2013 Oct 24, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 68.8 +5,180 0.74% $10.1K
Jul 22, 2013 Jul 24, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 67.5 +4,000 0.57% $7.7K
Mar 19, 2013 Mar 19, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +2,804 0.40% $5.5K
Mar 15, 2013 Mar 18, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 67.5 +4,151 0.60% $8.1K
Mar 8, 2013 Mar 12, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 68.8 +5,600 0.82% $11.1K
Dec 28, 2012 Jan 3, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 67.5 +4,200 0.62% $8.5K
Oct 17, 2012 Oct 25, 2012 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +3,346 0.49% $8K
Oct 17, 2012 Oct 19, 2012 CRYO CELL INTERNATIONAL INC CEO Buy 68.8 +6,000 0.89% $13.8K
Oct 4, 2012 Oct 9, 2012 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +3,000 0.45% $6.3K
Sep 28, 2012 Sep 28, 2012 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +600 0.09% $1.3K
Sep 10, 2012 Sep 12, 2012 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +2,793 0.42% $6.1K
Aug 21, 2012 Aug 23, 2012 CRYO CELL INTERNATIONAL INC CEO Buy 78.8 +8,980 1.14% $19.8K
Feb 28, 2012 Feb 29, 2012 CRYO CELL INTERNATIONAL INC CEO Buy 83.8 +18,000 3.92% $36K