Portnoy Mark L. (CIK 0001529249)

Latest company ownership

Shares held
1,152,990
Last filed at
Jan 23, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2012Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Aug 24, 2021 Aug 26, 2021 CRYO CELL INTERNATIONAL INC CEO Sell 20.0 -25,500 -2.83% ✗ $267.8K
Jul 24, 2020 Jul 28, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 82.5 +9,000 1.52% ✗ $74.3K
Jul 16, 2020 Jul 20, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 61.3 +1,419 0.23% ✗ $15K
Jul 13, 2020 Jul 15, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +36 0.05% ✗ $1.5K
Jun 12, 2020 Jun 16, 2020 CRYO CELL INTERNATIONAL INC CEO Buy 87.5 +18,130 3.17% ✗ $140.9K
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 10% Owner Sell 27.5 -1,000,000 -10.21% ✗ $8K
Nov 21, 2019 Nov 25, 2019 CRYO CELL INTERNATIONAL INC CEO Sell 20.0 -134,977 -19.09% ✗ $457.3K
Nov 15, 2019 Nov 19, 2019 CRYO CELL INTERNATIONAL INC 10% Owner Sell 26.3 -1,478,622 -13.12% ✗ $11.8K
Aug 16, 2018 Aug 17, 2018 CRYO CELL INTERNATIONAL INC 10% Owner Sell 26.3 -5,000,000 -30.73% ✗ $31K
Feb 22, 2018 Feb 26, 2018 CRYO CELL INTERNATIONAL INC 10% Owner Buy 85.0 +1,206,705 7.42% ✗ $5.4K
Dec 27, 2017 Dec 29, 2017 CRYO CELL INTERNATIONAL INC CEO Sell 22.5 -10,500 -1.64% ✗ $98.3K
May 19, 2017 May 23, 2017 CRYO CELL INTERNATIONAL INC CEO Sell 22.5 -12,000 -1.84% ✗ $60K
Jul 15, 2014 Jul 17, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 77.5 +3,600 1.17% ✗ $8.3K
Jul 10, 2014 Jul 14, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 55.0 +240 0.08% ✗ $552
Jun 2, 2014 Jun 3, 2014 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +1,100 0.36% ✗ $2.5K
Jul 31, 2013 Aug 2, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 60.0 +660 0.27% ✗ $1.2K
Jul 22, 2013 Jul 24, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 77.5 +3,000 1.24% ✗ $5.9K
Mar 15, 2013 Mar 18, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 77.5 +3,000 1.25% ✗ $6K
Mar 8, 2013 Mar 12, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 77.5 +4,000 1.70% ✗ $8.1K
Jan 8, 2013 Jan 9, 2013 CRYO CELL INTERNATIONAL INC CEO Buy 77.5 +2,455 1.05% ✗ $5K
Oct 19, 2012 Oct 23, 2012 CRYO CELL INTERNATIONAL INC CEO Buy 78.8 +5,000 2.19% ✗ $11.5K