Gerwitz Herman Mark (CIK 0001358339)

Latest company ownership

Shares held
368,485
Last filed at
Feb 13, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2009Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jun 7, 2017 Feb 13, 2018 NOCOPI TECHNOLOGIES INC/MD/ Director Buy 91.3 +230,000 61.57% ✗ $10.2K
Mar 16, 2012 Aug 15, 2014 NOCOPI TECHNOLOGIES INC/MD/ Director Buy 90.0 +44,216 13.43% ✗ $2.7K
Nov 15, 2011 Feb 10, 2012 NOCOPI TECHNOLOGIES INC/MD/ Director Buy 90.0 +33,333 11.26% ✗ $1.5K
Aug 11, 2010 Aug 13, 2010 NOCOPI TECHNOLOGIES INC/MD/ Director Buy 90.0 +62,500 26.77% ✗ $2K
Jan 26, 2009 Feb 8, 2010 NOCOPI TECHNOLOGIES INC/MD/ Director Buy 90.0 +41,000 21.30% ✗ $2.2K
Apr 21, 2009 Apr 22, 2009 NOCOPI TECHNOLOGIES INC/MD/ Director Buy 90.0 +35,000 17.63% ✗ $1.8K
Jan 26, 2009 Jan 29, 2009 NOCOPI TECHNOLOGIES INC/MD/ Director Buy 82.5 +6,000 3.12% ✗ $480
May 26, 1998 Feb 12, 2008 NOCOPI TECHNOLOGIES INC/MD/ Director Buy 91.3 +192,500 19.30% ✗ $31.5K