| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
Douglas Wells Brown last filed a Form 4 in May 2025, as Director at DAIO. Douglas Wells Brown's net worth is not public. Form 4 filings only show shares in the companies where this person was an insider, as of the last filing.
Historically, Douglas Wells Brown's trades have earned a strong insider score of 70/100 across 5 rated trades. Over a 12-month horizon, all 5 of those trades were profitable, with an average 12-month return of +41.2%.
At the last filing, the largest reported position was 101,759 shares of DAIO. The DAIO filings lean toward selling, a net 40,014 shares.
Douglas Wells Brown has 18 Form 4 filings on record from May 2015 to May 2025, all as Director at Data I/o (DAIO), 2015–2025.
The 20 reported transactions were 12 stock awards, 5 open-market sales, 1 open-market purchase and 1 option exercise, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 1 purchase worth about $8K and 4 sales worth about $328K.
The only open-market purchase was 3,000 shares of DAIO at an average $2.66 on August 26, 2024, about $8K. Twelve months later DAIO was up 13%.
The largest open-market sale was 18,614 shares of DAIO at an average $6.12 on June 7, 2021, about $114K. Twelve months later DAIO was down 43%.
Shares as reported in the last Form 4 for each company; the most recent is from May 2025. Values use today's prices. Any trades after the last filing were not reported, so current holdings may differ.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 26, 2024 | DAIO Data I/o Corp | Director | Buy | 3,000 | $2.66 | $7,980.00 | +3.8% | -2.2% | +13.1% | |
| Sep 9, 2021 | DAIO Data I/o Corp | Director | Sell | 12,000 | $7.28 | $87,332.40 | -21.4% | -33.6% | -54.5% | |
| Aug 4, 2021 | DAIO Data I/o Corp | Director | Sell | 5,360 | $6.47 | $34,667.94 | -8.7% | -15.7% | -46.0% | |
| Jun 7, 2021 | DAIO Data I/o Corp | Director | Sell | 18,614 | $6.12 | $113,853.73 | -23.5% | +13.1% | -43.4% | |
| Nov 29, 2017 | DAIO Data I/o Corp | Director | Sell | 7,040 | $13.09 | $92,164.16 | -18.1% | - | - |