John Thomas Gruenwald serves as Executive at TELLABS INC, where they oversee executive responsibilities. Since joining the company, John Thomas Gruenwald has executed 40 insider transactions totaling $350.6K, demonstrating a bearish approach to their equity position. Their most recent transaction on May 1, 2016 involved selling 16,521 shares valued at $20.0K.
John Thomas Gruenwald currently holds 781,376 shares of TELLABS INC (TLAB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John Thomas Gruenwald has been a net seller of TLAB stock. They have purchased $32.6K and sold $318.0K worth of shares.
John Thomas Gruenwald's most recent insider trade was on May 1, 2016, when they sold 16,521 shares at $1.21 per share.
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| $N/A |
| Discretionary |
| Apr 1, 2016 | WSTL | $876 | Payment | 755 | $1.16 | Discretionary |
| Feb 25, 2016 | WSTL | $5.8K | Purchase | 5,000 | $1.15 | Discretionary |
| Feb 24, 2016 | WSTL | $4.2K | Purchase | 3,617 | $1.16 | Discretionary |
| Oct 4, 2015 | WSTL | $1.8K | Payment | 1,555 | $1.13 | Discretionary |
| May 1, 2015 | WSTL | $0 | Award | 212,500 | $N/A | Discretionary |
| Apr 1, 2015 | WSTL | $1.1K | Payment | 910 | $1.25 | Discretionary |
| Feb 18, 2015 | WSTL | $22.6K | Purchase | 15,000 | $1.51 | Discretionary |
| Feb 10, 2015 | WSTL | $0 | Award | 250,000 | $N/A | Discretionary |
| Apr 1, 2014 | WSTL | $0 | Award | 10,000 | $N/A | Discretionary |
| Oct 4, 2013 | WSTL | $0 | Award | 20,000 | $N/A | Discretionary |
| Jun 1, 2011 | SPEC | $1.2M | Disposition | 59,206 | $20.00 | Discretionary |
| Jun 18, 2010 | SPEC | $151.4K | Option Exercise | 24,000 | $6.31 | Discretionary |
| Apr 5, 2010 | SPEC | $89.3K | Option Exercise | 12,000 | $7.44 | Discretionary |
| Nov 24, 2008 | SPEC | $8.0K | Sale | 2,285 | $3.50 | Discretionary |
| Apr 15, 2008 | SPEC | $63.4K | Option Exercise | 12,000 | $5.28 | Discretionary |
| Apr 9, 2007 | SPEC | $87.4K | Payment | 6,009 | $14.54 | Discretionary |
| Apr 9, 2007 | SPEC | $87.4K | Option Exercise | 12,000 | $7.28 | Discretionary |
| Jul 5, 2006 | TLAB | $95.6K | Payment | 7,362 | $12.98 | Discretionary |
| Jul 5, 2006 | TLAB | $0 | Award | 10,000 | $N/A | Discretionary |
| Jul 1, 2006 | TLAB | $2.8K | Payment | 212 | $13.31 | Discretionary |
| Jul 1, 2006 | TLAB | $0 | Option Exercise | 720 | $N/A | Discretionary |
| Jun 2, 2006 | TLAB | $279.0K | Sale | 18,000 | $15.50 | Discretionary |
| Jun 2, 2006 | TLAB | $8.4K | Option Exercise | 1,400 | $6.01 | Discretionary |
| Jun 2, 2006 | TLAB | $21.7K | Sale | 1,400 | $15.51 | Discretionary |
| Jun 2, 2006 | TLAB | $1.2K | Option Exercise | 200 | $6.01 | Discretionary |
| Jun 2, 2006 | TLAB | $3.1K | Sale | 200 | $15.52 | Discretionary |
| Jun 2, 2006 | TLAB | $601 | Option Exercise | 100 | $6.01 | Discretionary |
| Jun 2, 2006 | TLAB | $1.6K | Sale | 100 | $15.53 | Discretionary |