What changed in this filing

/stocks — the workspaceLOADING

Item 5. Market for Registrant’s Common Equity

2025-03-31 compared with 2024-03-29 · 22 added, 26 removed, 8 unchanged (86% of the section changed)

MARKET FOR REGISTRANT’S COMMON

EQUITY, RELATED STOCKHOLDERS MATTERS, AND ISSUER PURCHASE OF EQUITY SECURITIES.

Market Information

Our common stock is listed

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

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.

MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDERS MATTERS, AND ISSUER PURCHASE OF EQUITY SECURITIES.

common stock is listed for quotation on the NYSE American under the symbol “ATNM”.

of March 28, 2025, there were 31,195,891 shares of common stock issued and outstanding, which were held by approximately 100 holders

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

will be used to finance the growth of our business, and that no dividends will be paid to holders of our common stock.

The decision to

pay dividends is at the discretion of our Board of Directors and depends upon our financial condition, results of operations, capital

requirements, and other factors that our Board of Directors deems relevant.

Securities Authorized for Issuance under Equity

Compensation Plans

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

shares of common stock authorized for issuance under our equity compensation plans as of December 31, 2023:

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 will be used to finance the growth of our business, and that no dividends will be paid to holders of our

common stock.

The decision to pay dividends is at the discretion of our Board of Directors and depends upon our financial condition,

results of operations, capital requirements, and other factors that our Board of Directors deems relevant.

Authorized for Issuance under Equity Compensation Plans

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 shares.

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.

following table indicates shares of common stock authorized for issuance under our equity compensation plans as of December 31, 2024:

Plan category

5 unchanged sentences

Equity compensation plans not approved by security holders

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

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

Includes shares issuable

upon the conversion of outstanding restricted stock units (“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