What changed in this filing

/stocks — the workspaceLOADING

Item 5. Market for Registrant’s Common Equity

2025-03-20 compared with 2024-03-15 · 37 added, 1 removed, 8 unchanged (83% of the section changed)

2 unchanged sentences

Our common stock is quoted

on the OTCQB under the symbol “USDR.” As of March 14, 2024, there were 154 holders of record of our common stock.

on the OTCQB under the symbol “DUKR.” As of March 18, 2025, there were 154 holders of record of our common stock.

includes an indeterminate number of stockholders who hold their shares in “street name.”

3 unchanged sentences

funds for the development of our plan of operation.

On March 18, 2025, our board

of directors approved to increase the amount of shares of Common Stock available under the 2021 Plan from 4,800,000 to 9,000,000.

On March 18, 2025, our board

of directors approved the following grants pursuant to our 2021 Plan:

(i) 1,000,000 options to purchase

shares of Common Stock to Mr.

Yossef Balucka, CEO, at an exercise price of $0.21 per share, and vest in three equal installment of 33%

at the end of each year.

The options expire after six (6) years from the date of grant, and such other terms and conditions set forth

in our 2021 Plan.

(ii) 500,000 options to our

Common Stock to Mr.

Vadim Maor, CTO, at an exercise price of $0.21 per share.

The options have the following vesting schedule:

the options will vest after 12 months and the remaining portion will vest in eight equal installments over eight quarters.

expire after six (6) years from the date of grant, and such other terms and conditions set forth in our 2021 Plan.

(iii) 120,000 options to purchase

shares of Common Stock to Ms.

Keren Gousman Golan, director.

The options were granted at an exercise price of $0.21 per share and vest

in three equal installment of 33% at the end of each year.

The options expire after six (6) years from the date of grant, and such other

terms and conditions set forth in our 2021 Plan.

(iv) 400,000 options to purchase

shares of Common Stock to Mrs.

Alexandra Papaconstantinou, Managing Director of Duke Greece.

The options were granted at an exercise price

of $0.21 per share and vest in three equal installments of 33% at the end of each year.

The options expire after six (6) years from the

date of grant, and such other terms and conditions set forth in our 2021 Plan.

(v) 50,000 options to purchase

shares of Common Stock to Mr.

Shlomo Zakai, CFO, at an exercise price of $0.21 per share, and vest in three equal installment of 33% at

the end of each year.

The options expire after six (6) years from the date of grant, and such other terms and conditions set forth in

our 2021 Plan.

Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.

What changed 10-K

Item 5. Market for Registrant’s Common Equity