David B Elsbree insider trades: T2 Biosystems (TTOO) stock buys and sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where David reports to the SEC
Open-market buys and sales
32 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Sep 13, 2024 | TTOO | ↓ Sell | 55 | $2.42 | $133 | Direct | Sep 17, 2024 (4d) |
| Jan 3, 2020 | TTOO | ↓ Sell | 5,316 | $1.16 | $6K | Direct | Jan 7, 2020 (4d) |
| Jun 11, 2019 | TTOO | ↓ Sell | 3,600 | $1.44 | $5K | Direct | Jun 13, 2019 (2d) |
| Jun 1, 2018 | TTOO | ↑ Buy | 4,225 | $7.65 | $32K | By spouse | Jun 5, 2018 (4d) |
| Nov 16, 2017 | TTOO | ↑ Buy | 1,500 | $4.11 | $6K | By spouse | Nov 17, 2017 (1d) |
| Jun 6, 2017 | TTOO | ↑ Buy | 10,000 | $3.50 | $35K | Direct | Jun 8, 2017 (2d) |
| Mar 15, 2017 | TTOO | ↑ Buy | 10,000 | $5.97 | $60K | Direct | Mar 17, 2017 (2d) |
| Dec 9, 2015 | TTOO | ↑ Buy | 10,000 | $9.75 | $98K | Direct | Dec 10, 2015 (1d) |
| Aug 7, 2015 | TTOO | ↑ Buy | 75 | $13.09 | $982 | By spouse | Aug 11, 2015 (4d) |
| May 19, 2015 | TTOO | ↑ Buy | 6,000 | $16.47 | $99K | Direct | May 21, 2015 (2d) |
| May 19, 2015 | TTOO | ↑ Buy | 250 | $16.48 | $4K | By spouse | May 21, 2015 (2d) |
| Mar 4, 2015 | TTOO | ↑ Buy | 1,450 | $15.05 | $22K | By spouse | Mar 6, 2015 (2d) |
| Nov 13, 2014 | TTOO | ↑ Buy | 1,500 | $14.75 | $22K | By spouse | Nov 17, 2014 (4d) |
| Aug 12, 2014 | TTOO | ↑ Buy | 15,000 | $11.00 | $165K | Direct | Aug 14, 2014 (2d) |
| Aug 15, 2012 | APKT | ↑ Buy | 9,000 | $16.89 | $152K | Direct | Aug 16, 2012 (1d) |
| Aug 15, 2012 | APKT | ↑ Buy | 500 | $16.90 | $8K | By Spouse | Aug 16, 2012 (1d) |
| May 4, 2011 | APKT | ↓ Sell | 12,500 | $71.79 | $897K | Direct | May 6, 2011 (2d) |
| Mar 9, 2011 | APKT | ↓ Sell | 12,500 | $71.10 | $889K | Direct | Mar 11, 2011 (2d) |
| Feb 7, 2011 | APKT | ↑ Buy | 200 | $72.60 | $15K | By Spouse | Feb 9, 2011 (2d) |
| Aug 6, 2009 | ARTG | ↓ Sell | 45,000 | $4.00 | $180K | Direct | Aug 10, 2009 (4d) |
| Nov 6, 2008 | ARTG | ↑ Buy | 7,500 | $1.81 | $14K | Direct | Nov 10, 2008 (4d) |
| Feb 12, 2008 | APKT | ↑ Buy | 5,000 | $7.80 | $39K | Direct | Feb 13, 2008 (1d) |
| May 18, 2007 | ARTG | ↑ Buy | 10,000 | $2.45 | $25K | Direct | May 21, 2007 (3d) |
| May 18, 2007 | ARTG | ↑ Buy | 2,000 | $2.45 | $5K | By wife | May 21, 2007 (3d) |
| Feb 12, 2007 | APKT | ↑ Buy | 2,500 | $16.89 | $42K | Direct | Feb 13, 2007 (1d) |
| Feb 8, 2007 | ARTG | ↑ Buy | 17,500 | $2.20 | $38K | Direct | Feb 8, 2007 (0d) |
| Nov 15, 2006 | ARTG | ↑ Buy | 5,000 | $2.47 | $12K | Direct | Nov 15, 2006 (0d) |
| Nov 14, 2006 | APKT | ↑ Buy | 5,437 | $14.51 | $79K | Direct | Nov 15, 2006 (1d) |
| Feb 2, 2006 | ARTG | ↑ Buy | 10,000 | $2.72 | $27K | Direct | Feb 3, 2006 (1d) |
| Nov 4, 2005 | ARTG | ↑ Buy | 25,000 | $1.22 | $31K | Direct | Nov 4, 2005 (0d) |
| Aug 3, 2005 | ARTG | ↑ Buy | 10,000 | $1.05 | $11K | Direct | Aug 3, 2005 (0d) |
| May 6, 2005 | ARTG | ↑ Buy | 10,000 | $1.00 | $10K | Direct | May 6, 2005 (0d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
About David B Elsbree's insider trades
David B Elsbree is an insider at T2 Biosystems (TTOO). Since May 6, 2005, David has reported 26 open-market purchases worth $1.1M and 6 sales worth $2.0M on SEC Form 4. There have been no open-market trades in the last 12 months.
Their filings also include grants and awards (26 filings), option exercises (15 filings), gifts (2 filings), shares returned to the company (2 filings). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every TTOO insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.


