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William O. Wentworth

Insider activity · 24 months2 buys0 salesCumulative net flow
Total declarations
7
Company
1
▲ Purchases (2 ops.)
€44k
▼ Sales (0 ops.)
—

Latest filing published 05 Dec 2025 for DATA I/O CORP, €18k.

Filing timeline

BuySale
William O. Wentworth

Insider track record

Disclosed buys
2
Disclosed sells
0
Signal history

Closed purchases

Market purchases
2
Positive at T+90
100%
Median T+90
+33.1%

Based on 2 purchases whose 90-day window has closed (published at least 91 days ago), the same population our ranking model reads.

Purchases by company

Since each purchase

  • Filed 08 May 2025 · 549 days ago · €22k
    +17.3%
    Entry US$2.48 · Close at T+365 US$2.91
  • Filed 07 May 2025 · 550 days ago · €22k
    +12.9%
    Entry US$2.48 · Close at T+365 US$2.80

Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.

William O. Wentworth: trading record in brief

This profile gathers the share dealings of William O. Wentworth in Data I/O Corp. The record holds 7 filings, for trades running from 18 May 2023 to 3 December 2025.

The open-market record is one-sided, with 2 purchases worth €44k and not one sale. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Besides market trades, the filings include 5 share grants. 2025 to date brings 2 purchases and no sales.

The record was last updated on 5 December 2025 with a share grant (€18k) in Data I/O Corp. The last purchase on record was published on 8 May 2025, which is 549 days ago. Typically, a trade is published a median of 3 days after it takes place. For comparison, the SEC allows two business days to file a Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.

Companies and markets linked to William O. Wentworth

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Declarations7 total
  • ◆
    PresidentExecutivesData I/O Corp
    20,755 USD27SEC
    7,455 shares@ US$2.78410.7% of flowCommon StockSEC:0000351998-25-000033:0
  • ◆
    PresidentExecutivesData I/O Corp
    3,080 USD26SEC
    1,100 shares@ US$2.79991.6% of flowCommon StockSEC:0000351998-25-000031:0
  • ▲
    PresidentExecutivesData I/O Corp
    24,981 USD35SEC
    10,585 shares@ US$2.3613.2% of flowCommon StockSEC:0001654954-25-005280:0
    Canonical exit: 30 Jul 2025 (T+90)
  • ▲
    PresidentExecutivesData I/O Corp
    24,998 USD25SEC
    10,332 shares@ US$2.419513.1% of flowCommon StockSEC:0001654954-25-005216:0
    Canonical exit: 4 Aug 2025 (T+90)
  • ◆
    PresidentExecutivesData I/O Corp
    24,981 USD25SEC
    10,585 shares@ US$2.3613.2% of flowCommon StockSEC:0001654954-25-005085:0
  • ◆
    DirectorExecutivesData I/O Corp
    41,313 USD13SEC
    14,100 shares@ US$2.9322.7% of flowCommon StockSEC:0001654954-24-006558:0
  • ◆
    DirectorExecutivesData I/O Corp
    46,280 USD14SEC
    10,400 shares@ US$4.4525.6% of flowCommon StockSEC:0001654954-23-007031:0

7 of 7 declarations