| Due Diligence for Asset Managers |
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Analyze the public filings of asset managers Dive into the EDGAR, IAPD, CAFR source data |
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| Keyboard |
| Data I/O Corp | |
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| Ticker | DAIO |
| CIK # | 0000351998 |
| CUSIP | 237690102 |
| Sector | Life Sciences - Instruments For Meas & Testing Of Electricity & Elec Signals |
| Address | 6464 185th Ave Ne, Suite 101, Redmond, WA 98052 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0000351998] | 10-K | |
| [0000351998] | 10-Q | |
| [0000351998] | 3 | |
| [0000351998] | 4 | |
| [0000351998] | 8-K | |
| [0000351998] | SC 13D | |
| [0000351998] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| Lytton Laurence W | Data I/O Corp | [2026-06-23] | 0.0 |
| Philotimo Fund LP | Data I/O Corp | [2024-01-05] | 5.3 |
| Philotimo Fund LP | Data I/O Corp | [2021-11-16] | 6.9 |
| Select Equity Group LP | Data I/O Corp | [2020-10-30] | 8.5 |
| Select Equity Group LP | Data I/O Corp | [2020-07-10] | 8.7 |
| DH Partners LLC | Data I/O Corp | [2019-11-12] | 11.0 |
| Dimensional Fund Advisors LP | Data I/O Corp | [2019-02-08] | 5.12 |
| DH Partners LLC | Data I/O Corp | [2018-11-09] | 5.9 |
| Renaissance Technologies LLC | Data I/O Corp | [2018-02-14] | 7.99 |
| Kanen Wealth Management LLC | Data I/O Corp | [2016-08-08] | 19.21 |
| Howe Kevin C | Data I/O Corp | [2014-04-14] | 5.12 |
| [2012-10-01] | None |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
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Wentworth William O
Common Stock
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2025-12-03 | Grant | 1,100 | $2.80 | 3,080 |
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Waszak Steven M
Common Stock
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2025-12-03 | Grant | 7,950 | $2.79 | 22,180 |
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Wentworth William O
Common Stock
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2025-12-02 | Grant | 7,455 | $2.78 | 20,725 |
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Common Stock
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2025-09-01 | Grant | 100,000 | $3.15 | 315,000 |
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Washlow Sally A
Common Stock
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2025-05-15 | Grant | 20,300 | $2.48 | 50,344 |
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Smith Edward J
Common Stock
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2025-05-15 | Grant | 20,300 | $2.48 | 50,344 |
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Larson Garrett Riley
Common Stock
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2025-05-15 | Grant | 20,300 | $2.48 | 50,344 |
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Brown Douglas Wells
Common Stock
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2025-05-15 | Grant | 20,300 | $2.48 | 50,344 |
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Smith Edward J
Common Stock
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2025-05-07 | Buy | 5,000 | $2.46 | 12,300 |
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Wentworth William O
Common Stock
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2025-05-06 | Buy | 10,332 | $2.42 | 25,003 |
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Wentworth William O
Common Stock
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2025-05-02 | Grant | 10,585 | $2.36 | 24,981 |
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Common Stock
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2025-05-01 | Buy | 10,585 | $2.36 | 24,981 |
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Larson Garrett Riley
Common Stock
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2025-01-23 | Grant | 5,272 | $2.91 | 15,342 |
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Wentworth William O
Common Stock · derivative
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2024-09-03 | Grant | 200,000 | $2.39 | 478,000 |
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Brown Douglas Wells
Common Stock
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2024-08-26 | Buy | 3,000 | $2.66 | 7,980 |
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Ng Gerald Yat
Common Stack
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2024-07-03 | Tax withheld | 5,559 | $2.79 | 15,510 |
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Gulati Rajeev
COMMON STOCK
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2024-06-01 | Grant | 12,500 | $2.87 | 35,875 |
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Gulati Rajeev
Common Stock
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2024-06-01 | Tax withheld | 1,482 | $2.87 | 4,253 |
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Gulati Rajeev
COMMON STOCK
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2024-06-01 | Tax withheld | 1,853 | $2.87 | 5,318 |
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Gulati Rajeev
COMMON STOCK
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2024-06-01 | Tax withheld | 1,976 | $2.87 | 5,671 |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 30 | 2,977,351 |
| 2025-12-31 | 27 | 3,348,997 |
| 2025-09-30 | 26 | 3,270,769 |
| 2025-06-30 | 27 | 3,484,133 |
| 2025-03-31 | 27 | 3,072,990 |
| 2024-12-31 | 30 | 3,145,198 |
| 2024-09-30 | 30 | 3,165,704 |
| 2024-06-30 | 33 | 3,290,120 |
| 2024-03-31 | 33 | 3,357,113 |
| 2023-12-31 | 31 | 2,862,706 |
| 2023-09-30 | 30 | 3,385,504 |
| 2023-06-30 | 30 | 3,375,912 |
| Form 13F Holdings | ||||
|---|---|---|---|---|
| Firm | Period | DFND | Voting | Shares | Prev | Page 1 | Next |