Coss Ronald G (CIK 0001251504)

Latest company ownership

Role: 10% Owner
Shares held
956,879
Last filed at
Nov 12, 2009
Confidence Score
50.0
2025Q4
Confidence Score History
2003Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 9, 2009 Nov 12, 2009 PRO DEX INC Other Sell 37.5 -6,000 -0.62% $4K
Nov 9, 2009 Nov 9, 2009 PRO DEX INC 10% Owner Sell 37.5 -6,000 -0.56% $4K
Nov 5, 2009 Nov 6, 2009 PRO DEX INC 10% Owner Sell 36.3 -19,000 -0.88% $12.5K
Oct 19, 2009 Oct 20, 2009 PRO DEX INC 10% Owner Sell 27.5 -17,185 -1.56% $9.8K
Oct 14, 2009 Oct 16, 2009 PRO DEX INC 10% Owner Sell 26.3 -29,815 -2.64% $17K
Oct 7, 2009 Oct 9, 2009 PRO DEX INC 10% Owner Sell 45.0 -3,000 -0.27% $1.8K
Aug 7, 2009 Aug 11, 2009 PRO DEX INC 10% Owner Sell 27.5 -15,701 -1.37% $6.6K
Aug 3, 2009 Aug 5, 2009 PRO DEX INC 10% Owner Sell 26.3 -29,299 -2.49% $12.5K
Jun 29, 2009 Jun 30, 2009 PRO DEX INC 10% Owner Sell 26.3 -50,000 -2.04% $21K
Apr 24, 2009 Apr 30, 2009 PRO DEX INC 10% Owner Sell 36.3 -40,000 -0.80% $16K
Mar 23, 2009 Mar 24, 2009 PRO DEX INC 10% Owner Sell 26.3 -50,000 -3.80% $20K
Apr 3, 2006 Apr 5, 2006 PRO DEX INC 10% Owner Sell 22.5 -20,000 -1.62% $50K
Mar 8, 2006 Mar 10, 2006 PRO DEX INC 10% Owner Sell 32.5 -20,000 -0.80% $50.2K
Feb 23, 2006 Feb 28, 2006 PRO DEX INC 10% Owner Sell 22.5 -20,000 -1.57% $50.2K
Feb 13, 2006 Feb 15, 2006 PRO DEX INC 10% Owner Sell 22.5 -40,000 -3.04% $103K
Jun 7, 2005 Jun 9, 2005 PRO DEX INC 10% Owner Sell 20.0 -120,000 -8.35% $402K
May 23, 2005 May 24, 2005 PRO DEX INC 10% Owner Sell 22.5 -50,000 -5.33% $167.5K
May 19, 2005 May 20, 2005 PRO DEX INC 10% Owner Sell 20.0 -90,000 -8.76% $268.4K
Feb 14, 2005 Feb 16, 2005 PRO DEX INC 10% Owner Sell 22.5 -40,000 -3.75% $130K
Feb 7, 2005 Feb 9, 2005 PRO DEX INC 10% Owner Sell 22.5 -55,000 -1.33% $171.5K
Jan 7, 2005 Jan 10, 2005 PRO DEX INC 10% Owner Sell 32.5 -62,200 -0.78% $165.7K
Jan 3, 2005 Jan 5, 2005 PRO DEX INC 10% Owner Sell 40.0 -69,800 -0.44% $191.6K
Sep 16, 2004 Sep 20, 2004 PRO DEX INC 10% Owner Sell 22.5 -55,000 -4.28% $174.9K
Sep 13, 2004 Sep 15, 2004 PRO DEX INC 10% Owner Sell 40.0 -35,300 -0.24% $110.9K
Sep 10, 2004 Sep 13, 2004 PRO DEX INC 10% Owner Sell 22.5 -25,000 -1.86% $75.8K
Sep 8, 2004 Sep 10, 2004 PRO DEX INC 10% Owner Sell 22.5 -25,000 -1.79% $73.4K
Aug 4, 2004 Aug 5, 2004 PRO DEX INC 10% Owner Sell 36.3 -10,000 -0.71% $27.6K
Jul 30, 2004 Aug 4, 2004 PRO DEX INC 10% Owner Sell 36.3 -10,000 -0.71% $26K
Jun 1, 2004 Jun 3, 2004 PRO DEX INC 10% Owner Sell 36.3 -10,000 -0.70% $20.1K
May 17, 2004 May 18, 2004 PRO DEX INC 10% Owner Sell 26.3 -25,000 -1.72% $46.3K
May 5, 2004 May 6, 2004 PRO DEX INC 10% Owner Sell 36.3 -12,500 -0.85% $26.9K
Apr 7, 2004 Apr 7, 2004 PRO DEX INC 10% Owner Sell 36.3 -11,000 -0.74% $27.5K
Apr 5, 2004 Apr 6, 2004 PRO DEX INC 10% Owner Sell 43.8 -5,700 -0.38% $14.9K
Mar 30, 2004 Mar 31, 2004 PRO DEX INC 10% Owner Sell 26.3 -16,600 -1.11% $43.2K
Mar 29, 2004 Mar 30, 2004 PRO DEX INC 10% Owner Sell 43.8 -4,500 -0.30% $12.4K
Mar 19, 2004 Mar 22, 2004 PRO DEX INC 10% Owner Sell 22.5 -20,000 -1.32% $55.3K
Mar 10, 2004 Mar 15, 2004 PRO DEX INC 10% Owner Sell 68.8 +10,000 0.66% $27.7K
Dec 3, 2003 Dec 4, 2003 PRO DEX INC Director Sell 20.0 -178,575 -7.96% $357.2K
Nov 21, 2003 Nov 24, 2003 PRO DEX INC Director Sell 52.5 -1,000 -0.04% $2.1K
Nov 21, 2003 Nov 24, 2003 PRO DEX INC Director Sell 43.8 -6,050 -0.27% $12.9K
Nov 19, 2003 Nov 20, 2003 PRO DEX INC Director Sell 43.8 -10,000 -0.22% $20.5K
Sep 25, 2003 Oct 27, 2003 PRO DEX INC Director Sell 27.5 -12,800 -0.56% $2.2M
Oct 6, 2003 Oct 7, 2003 PRO DEX INC Director Sell 43.8 -7,100 -0.31% $11.4K
Oct 2, 2003 Oct 3, 2003 PRO DEX INC Director Sell 43.8 -10,000 -0.44% $16K
Sep 25, 2003 Oct 2, 2003 PRO DEX INC Director Sell 36.3 -14,700 -0.64% $25.7K