What changed in this filing

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Item 5. Market for Registrant’s Common Equity

2024-03-29 compared with 2023-03-31 · 12 added, 20 removed, 22 unchanged (59% of the section changed)

4 unchanged sentences

for quotation on the NYSE American under the symbol “ATNM”.

As of March 31, 2023, there

were 25,729,370 shares of common stock issued and outstanding, which were held by approximately 100 holders of record.

There are no shares

of preferred stock outstanding.

We have never declared or paid

any cash dividends on our common stock.

As of March 27, 2024, there were 29,396,411 shares of common stock

issued and outstanding, which were held by approximately 100 holders of record.

There are no shares of preferred stock outstanding.

We have never declared or

paid any cash dividends on our common stock.

For the foreseeable future, it is expected that earnings, if any, generated from our operations

5 unchanged sentences

Compensation Plans

We currently have three equity

compensation plans defined as follows:

The Company’s 2019 Amended

and Restated Stock Plan has an expiration date of October 18, 2029 and the number of shares of our common stock authorized under the plan

for grant to employees, directors and consultants is 9,333,333 shares.

The Company’s 2013 Amended

and Restated Stock Plan has an expiration date of September 9, 2023 and after a number of amendments approved by stockholders, the number

of shares of our common stock authorized under the plan for grant to employees, directors and consultants is 758,333 shares.

The Company’s 2013 Equity

Incentive Plan has an expiration date of September 9, 2023 and the number of shares of our common stock authorized under the plan for

grant to employees, directors and consultants under the plan is 33,333 shares.

We currently have one equity compensation plan.

The Company’s 2019 Amended and Restated Stock Plan, (the “2019 Plan”) has an expiration date of October 18, 2029

and the number of shares of our common stock authorized under the plan for grant to employees, directors and consultants is 9,333,333

We had two equity compensation plans that expired

on September 9, 2023;

the Company’s Amended and Restated 2013 Stock Plan and the Company’s 2013 Equity Incentive Plan.

The following table indicates

5 unchanged sentences

options and restricted stock units

options and restricted

Equity compensation plans approved by security holders

1 unchanged sentence

Includes shares issuable upon the conversion of outstanding restricted stock units (“RSUs”).

(2) The Weighted Average Exercise Price column does not include an

amount for outstanding RSUs.

The Weighted Average Exercise Price column does not include an amount for outstanding RSUs.

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