John D Delafield insider trades: Data I/O (DAIO) stock buys and sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where John reports to the SEC
Open-market buys and sales
69 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Nov 8, 2019 | DAIO | ↑ Buy | 62,208 | $3.70 | $230K | deemed to own shares held by DHPF | Nov 8, 2019 (0d) |
| Nov 7, 2019 | DAIO | ↑ Buy | 10,292 | $3.71 | $38K | deemed to own shares held by DHPF | Nov 8, 2019 (1d) |
| Nov 6, 2019 | DAIO | ↑ Buy | 55,946 | $3.51 | $196K | deemed to own shares held by DHPF | Nov 8, 2019 (2d) |
| Mar 3, 2016 | CSCD | ↓ Sell | 259,134 | $20.68 | $5.4M | By Delafield Hambrecht Partners Fund, LP | Mar 4, 2016 (1d) |
| Mar 2, 2016 | CSCD | ↓ Sell | 100,000 | $20.60 | $2.1M | By Delafield Hambrecht Partners Fund, LP | Mar 3, 2016 (1d) |
| Mar 1, 2016 | CSCD | ↓ Sell | 100,000 | $20.62 | $2.1M | By Delafield Hambrecht Partners Fund, LP | Mar 2, 2016 (1d) |
| Feb 29, 2016 | CSCD | ↓ Sell | 300,000 | $20.51 | $6.2M | By Delafield Hambrecht Partners Fund, LP | Mar 1, 2016 (1d) |
| Feb 26, 2016 | CSCD | ↓ Sell | 3,000 | $20.51 | $62K | By Delafield Hambrecht Partners Fund, LP | Feb 29, 2016 (3d) |
| Feb 25, 2016 | CSCD | ↓ Sell | 3,000 | $20.38 | $61K | By Delafield Hambrecht Partners Fund, LP | Feb 29, 2016 (4d) |
| Feb 24, 2016 | CSCD | ↓ Sell | 3,000 | $20.48 | $61K | By Delafield Hambrecht Partners Fund, LP | Feb 25, 2016 (1d) |
| Feb 23, 2016 | CSCD | ↓ Sell | 3,000 | $20.38 | $61K | By Delafield Hambrecht Partners Fund, LP | Feb 24, 2016 (1d) |
| Feb 22, 2016 | CSCD | ↓ Sell | 3,000 | $20.01 | $60K | By Delafield Hambrecht Partners Fund, LP | Feb 23, 2016 (1d) |
| Feb 19, 2016 | CSCD | ↓ Sell | 3,000 | $19.96 | $60K | By Delafield Hambrecht Partners Fund, LP | Feb 22, 2016 (3d) |
| Feb 18, 2016 | CSCD | ↓ Sell | 3,000 | $19.96 | $60K | By Delafield Hambrecht Partners Fund, LP | Feb 19, 2016 (1d) |
| Feb 17, 2016 | CSCD | ↓ Sell | 3,000 | $19.73 | $59K | By Delafield Hambrecht Partners Fund, LP | Feb 18, 2016 (1d) |
| Feb 16, 2016 | CSCD | ↓ Sell | 3,000 | $19.72 | $59K | By Delafield Hambrecht Partners Fund, LP | Feb 17, 2016 (1d) |
| Feb 12, 2016 | CSCD | ↓ Sell | 3,000 | $19.61 | $59K | By Delafield Hambrecht Partners Fund, LP | Feb 16, 2016 (4d) |
| Feb 11, 2016 | CSCD | ↓ Sell | 3,000 | $19.73 | $59K | By Delafield Hambrecht Partners Fund, LP | Feb 12, 2016 (1d) |
| Feb 10, 2016 | CSCD | ↓ Sell | 2,982 | $19.95 | $60K | By Delafield Hambrecht Partners Fund, LP | Feb 11, 2016 (1d) |
| Feb 9, 2016 | CSCD | ↓ Sell | 3,000 | $20.02 | $60K | By Delafield Hambrecht Partners Fund, LP | Feb 10, 2016 (1d) |
| Feb 8, 2016 | CSCD | ↓ Sell | 3,000 | $20.20 | $61K | By Delafield Hambrecht Partners Fund, LP | Feb 9, 2016 (1d) |
| Feb 5, 2016 | CSCD | ↓ Sell | 3,000 | $20.20 | $61K | By Delafield Hambrecht Partners Fund, LP | Feb 9, 2016 (4d) |
| Feb 4, 2016 | CSCD | ↓ Sell | 3,000 | $20.20 | $61K | By Delafield Hambrecht Partners Fund, LP | Feb 5, 2016 (1d) |
| Feb 2, 2016 | CSCD | ↓ Sell | 200 | $16.09 | $3K | By Delafield Hambrecht Partners Fund, LP | Feb 3, 2016 (1d) |
| Feb 1, 2016 | CSCD | ↓ Sell | 3,000 | $16.01 | $48K | By Delafield Hambrecht Partners Fund, LP | Feb 2, 2016 (1d) |
| Jan 28, 2016 | CSCD | ↓ Sell | 1,507 | $16.00 | $24K | By Delafield Hambrecht Partners Fund, LP | Feb 1, 2016 (4d) |
| Jan 4, 2016 | CSCD | ↓ Sell | 500 | $16.00 | $8K | By Delafield Hambrecht Partners Fund, LP | Jan 5, 2016 (1d) |
| Dec 31, 2015 | CSCD | ↓ Sell | 3,000 | $16.25 | $49K | By Delafield Hambrecht Partners Fund, LP | Jan 4, 2016 (4d) |
| Dec 30, 2015 | CSCD | ↓ Sell | 3,000 | $16.25 | $49K | By Delafield Hambrecht Partners Fund, LP | Dec 31, 2015 (1d) |
| Dec 29, 2015 | CSCD | ↓ Sell | 3,000 | $16.25 | $49K | By Delafield Hambrecht Partners Fund, LP | Dec 30, 2015 (1d) |
| Dec 28, 2015 | CSCD | ↓ Sell | 3,000 | $16.18 | $49K | By Delafield Hambrecht Partners Fund, LP | Dec 29, 2015 (1d) |
| Dec 24, 2015 | CSCD | ↓ Sell | 900 | $16.12 | $15K | By Delafield Hambrecht Partners Fund, LP | Dec 28, 2015 (4d) |
| Dec 23, 2015 | CSCD | ↓ Sell | 3,000 | $16.10 | $48K | By Delafield Hambrecht Partners Fund, LP | Dec 24, 2015 (1d) |
| Dec 22, 2015 | CSCD | ↓ Sell | 3,000 | $16.10 | $48K | By Delafield Hambrecht Partners Fund, LP | Dec 23, 2015 (1d) |
| Dec 21, 2015 | CSCD | ↓ Sell | 500 | $16.00 | $8K | By Delafield Hambrecht Partners Fund, LP | Dec 22, 2015 (1d) |
| Dec 18, 2015 | CSCD | ↓ Sell | 2,000 | $16.02 | $32K | By Delafield Hambrecht Partners Fund, LP | Dec 21, 2015 (3d) |
| Dec 17, 2015 | CSCD | ↓ Sell | 3,000 | $16.30 | $49K | By Delafield Hambrecht Partners Fund, LP | Dec 18, 2015 (1d) |
| Dec 15, 2015 | CSCD | ↓ Sell | 3,000 | $16.30 | $49K | By Delafield Hambrecht Partners Fund, LP | Dec 16, 2015 (1d) |
| Dec 14, 2015 | CSCD | ↓ Sell | 3,000 | $16.44 | $49K | By Delafield Hambrecht Partners Fund, LP | Dec 15, 2015 (1d) |
| Dec 11, 2015 | CSCD | ↓ Sell | 3,000 | $16.31 | $49K | By Delafield Hambrecht Partners Fund, LP | Dec 14, 2015 (3d) |
| Dec 10, 2015 | CSCD | ↓ Sell | 3,000 | $16.62 | $50K | By Delafield Hambrecht Partners Fund, LP | Dec 11, 2015 (1d) |
| Dec 9, 2015 | CSCD | ↓ Sell | 3,000 | $16.63 | $50K | By Delafield Hambrecht Partners Fund, LP | Dec 10, 2015 (1d) |
| Dec 8, 2015 | CSCD | ↓ Sell | 3,000 | $16.73 | $50K | By Delafield Hambrecht Partners Fund, LP | Dec 9, 2015 (1d) |
| Dec 7, 2015 | CSCD | ↓ Sell | 3,000 | $16.92 | $51K | By Delafield Hambrecht Partners Fund, LP | Dec 8, 2015 (1d) |
| Dec 4, 2015 | CSCD | ↓ Sell | 3,000 | $16.67 | $50K | By Delafield Hambrecht Partners Fund, LP | Dec 7, 2015 (3d) |
| Dec 3, 2015 | CSCD | ↓ Sell | 3,000 | $16.58 | $50K | By Delafield Hambrecht Partners Fund, LP | Dec 4, 2015 (1d) |
| Dec 2, 2015 | CSCD | ↓ Sell | 3,000 | $16.62 | $50K | By Delafield Hambrecht Partners Fund, LP | Dec 3, 2015 (1d) |
| Dec 1, 2015 | CSCD | ↓ Sell | 3,000 | $16.31 | $49K | By Delafield Hambrecht Partners Fund, LP | Dec 2, 2015 (1d) |
| Nov 30, 2015 | CSCD | ↓ Sell | 3,000 | $16.15 | $48K | By Delafield Hambrecht Partners Fund, LP | Dec 1, 2015 (1d) |
| Nov 27, 2015 | CSCD | ↓ Sell | 1,500 | $16.00 | $24K | By Delafield Hambrecht Partners Fund, LP | Nov 30, 2015 (3d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other DAIO insiders
Open-market trades in the last 12 months
About John D Delafield's insider trades
John D Delafield is an insider at Data I/O (DAIO). Since Aug 25, 2011, John has reported 15 open-market purchases worth $4.0M and 54 sales worth $18.1M on SEC Form 4. There have been no open-market trades in the last 12 months.
Their filings also include option exercises (12 filings), grants and awards (9 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 DAIO insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.

