Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 28 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 1, 2024 DAIO F 2,223 $2.87 $6,380 139,103 Direct -1.57% Disposed 3.8% (price as of 2026-10-02)
June 1, 2024 DAIO F 1,853 $2.87 $5,318 137,250 Direct -1.33% Disposed 3.8% (price as of 2026-10-02)
June 1, 2024 DAIO F 1,976 $2.87 $5,671 135,274 Direct -1.44% Disposed 3.8% (price as of 2026-10-02)
June 1, 2024 DAIO A 12,500 $2.87 $35,875 147,774 Direct +9.24% Acquired 3.8% (price as of 2026-10-02)
May 18, 2024 DAIO F 2,965 $2.91 $8,628 141,326 Direct -2.05% Disposed 2.4% (price as of 2026-10-02)
June 1, 2023 DAIO F 1,758 $4.35 $7,647 125,757 Direct -1.38% Disposed -31.5% (price as of 2026-10-02)
June 1, 2023 DAIO F 1,465 $4.35 $6,373 124,291 Direct -1.16% Disposed -31.5% (price as of 2026-10-02)
June 1, 2023 DAIO A 20,000 $4.35 $87,000 144,291 Direct +16.09% Acquired -31.5% (price as of 2026-10-02)
May 18, 2023 DAIO F 2,965 $4.45 $13,194 127,514 Direct -2.27% Disposed -33.0% (price as of 2026-10-02)
May 1, 2023 DAIO F 3,706 $4.69 $17,381 130,479 Direct -2.76% Disposed -36.5% (price as of 2026-10-02)
June 1, 2022 DAIO F 1,826 $3.24 $5,916 109,185 Direct -1.64% Disposed -8.0% (price as of 2026-10-02)
June 1, 2022 DAIO A 25,000 $3.24 $81,000 134,185 Direct +22.90% Acquired -8.0% (price as of 2026-10-02)
May 18, 2022 DAIO F 2,435 $3.03 $7,378 111,011 Direct -2.15% Disposed -1.7% (price as of 2026-10-02)
May 3, 2022 DAIO F 3,706 $3.28 $12,156 113,446 Direct -3.16% Disposed -9.1% (price as of 2026-10-02)
June 23, 2021 DAIO M 12,500 $4.98 $62,250 97,208 Direct +14.76% Acquired -40.2% (price as of 2026-10-02)
June 23, 2021 DAIO F 10,056 $6.78 $68,180 87,152 Direct -10.34% Disposed -56.0% (price as of 2026-10-02)
June 23, 2021 DAIO X 12,500 $4.98 $62,250 12,500 Direct -50.00% Disposed -40.2% (price as of 2026-10-02)
June 1, 2021 DAIO A 30,000 $5.93 $177,900 114,708 Direct +35.42% Acquired -49.7% (price as of 2026-10-02)
May 18, 2021 DAIO F 3,160 $5.57 $17,601 84,708 Direct -3.60% Disposed -46.5% (price as of 2026-10-02)
May 1, 2021 DAIO F 3,706 $5.53 $20,494 87,868 Direct -4.05% Disposed -46.1% (price as of 2026-10-02)
May 18, 2020 DAIO A 40,000 $3.01 $120,400 91,574 Direct +77.56% Acquired -1.0% (price as of 2026-10-02)
May 1, 2020 DAIO F 4,261 $3.02 $12,868 51,574 Direct -7.63% Disposed -1.3% (price as of 2026-10-02)
Feb. 1, 2020 DAIO F 555 $4.11 $2,281 55,835 Direct -0.98% Disposed -27.5% (price as of 2026-10-02)
Nov. 1, 2019 DAIO F 555 $3.42 $1,898 56,390 Direct -0.97% Disposed -12.9% (price as of 2026-10-02)
Aug. 15, 2019 DAIO F 555 $4.52 $2,509 56,945 Direct -0.97% Disposed -34.1% (price as of 2026-10-02)
May 1, 2019 DAIO A 50,000 $4.98 $249,000 50,000 Direct · Acquired -40.2% (price as of 2026-10-02)
May 1, 2019 DAIO A 7,500 $4.98 $37,350 57,500 Direct +15.00% Acquired -40.2% (price as of 2026-10-02)
May 1, 2019 DAIO A 25,000 $4.98 $124,500 25,000 Direct · Acquired -40.2% (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 23, 2021 DAIO NQSO for common Stock common stock (12,500) $4.98 May 1, 2025 12,500 Disposed
May 1, 2019 DAIO common stock common stock (25,000) · May 1, 2025 25,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
May 1, 2019 DAIO common stock 0 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2024 · · $53,811 $0 $0 · $12,693 $293,171
2023 · · $119,875 $0 $32,400 · $9,495 $376,863
2022 $216,229 $0 $81,063 $0 $0 · $11,930 $309,222

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.