William O. Wentworth

CIK: 0001977418

Transaction Breakdown

Open Market Buys (P)2 (33.3%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

DAIO

DATA I/O CORP

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (6 total)

DAIO
DATA I/O CORP
Dec 3, 2025
Award(A)
Direct
1.1K shares at avg. $2.80$3K
DAIO
DATA I/O CORP
Dec 2, 2025
Award(A)
Direct
7.5K shares at avg. $2.78$21K
DAIO
DATA I/O CORP
May 6, 2025
Purchase(P)
Direct
10.3K shares at avg. $2.42$25K
DAIO
DATA I/O CORP
May 2, 2025
Award(A)
Direct
10.6K shares at avg. $2.36$25K
DAIO
DATA I/O CORP
May 1, 2025
Purchase(P)
Direct
10.6K shares at avg. $2.36$25K
DAIO
DATA I/O CORP
Sep 3, 2024
Award(A)
Common Stock
Direct
200K shares at avg. $2.39-

		Type	Shares	Price		Ownership
Dec 3, 2025	DAIO DATA I/O CORP	Award(A)	1,100	$2.80	$3,080	Direct
Dec 2, 2025	DAIO DATA I/O CORP	Award(A)	7,455	$2.78	$20,755	Direct
May 6, 2025	DAIO DATA I/O CORP	Purchase(P)	10,332	$2.42	$24,998	Direct
May 2, 2025	DAIO DATA I/O CORP	Award(A)	10,585	$2.36	$24,981	Direct
May 1, 2025	DAIO DATA I/O CORP	Purchase(P)	10,585	$2.36	$24,981	Direct
Sep 3, 2024	DAIO DATA I/O CORP	Award(A) Common Stock	200,000	$2.39	-	Direct

1-6 of 6 transactions

About Wentworth William O.

Wentworth William O. (SEC CIK 0001977418) files insider reports with the SEC as President of DATA I/O CORP (DAIO).

Signal8 holds 6 ownership filings by Wentworth William O., all Form 4s, filed between Sep 4, 2024 and Dec 5, 2025. Those filings report 6 transactions, from Sep 3, 2024 to Dec 3, 2025. Signal8's Form 4 history starts in Sep 2024.

The business address on Wentworth William O.'s filings is in REDMOND, WA.

Recent filings by Wentworth William O.

Dec 3, 2025: Grant or award of DAIO shares (Form 4, code A).
Dec 2, 2025: Grant or award of DAIO shares (Form 4, code A).
May 6, 2025: Open-market purchase of DAIO shares (Form 4, code P).
May 2, 2025: Grant or award of DAIO shares (Form 4, code A).
May 1, 2025: Open-market purchase of DAIO shares (Form 4, code P).

Other insiders filing for DATA I/O CORP (DAIO)

Red Oak Partners, LLC, 10% Owner
DiBona Charles Joseph, Vice President & CFO
Larson Garrett Riley, Director
SMITH EDWARD J, Director
Washlow Sally A., Director
WASZAK STEVEN M, Director

How to read Form 4 transaction codes