Kanzer Steve H (CIK 0001076653)

Latest company ownership

Shares held
2,195,489
Last filed at
May 2, 2014
Confidence Score
50.0
2025Q4
Confidence Score History
2007Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Apr 30, 2014 May 2, 2014 Theriva Biologics, Inc. 10% Owner Sell 16.3 -5,003,025 -69.50% $7.2M
Apr 28, 2014 Apr 30, 2014 Theriva Biologics, Inc. 10% Owner Sell 20.0 -263,112 -3.53% $763.1K
Apr 11, 2008 Apr 15, 2008 Theriva Biologics, Inc. CEO Buy 91.3 +7,136,380 2194.15% $44.4K
Jul 25, 2007 Jul 26, 2007 Theriva Biologics, Inc. CEO Buy 95.0 +7,100,679 2283.57% $103.3K
Jul 24, 2007 Jul 25, 2007 Theriva Biologics, Inc. CEO Buy 95.0 +7,094,379 2341.80% $57K
Jul 23, 2007 Jul 24, 2007 Theriva Biologics, Inc. CEO Buy 95.0 +7,116,079 2604.28% $200.4K
Jul 17, 2007 Jul 19, 2007 Theriva Biologics, Inc. CEO Buy 95.0 +7,111,379 2864.65% $131.2K
Jul 16, 2007 Jul 19, 2007 Theriva Biologics, Inc. CEO Buy 97.5 +7,167,379 4285.53% $392K
Jul 16, 2007 Jul 18, 2007 Theriva Biologics, Inc. CEO Buy 100.0 +7,167,379 4285.53% $5.1M
May 11, 2007 May 15, 2007 Theriva Biologics, Inc. CEO Buy 60.0 +26,500 0.12% $140.4K
Apr 16, 2007 Apr 18, 2007 Theriva Biologics, Inc. CEO Buy 85.0 +227,000 1.06% $445.6K