STOCK TITAN

Actinium awards director 62.8K RSUs, 94.2K options

ATNM director C. David Nicholson received new restricted stock units and stock options as part of his equity compensation on September 2, 2026.

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Form Type
4

Rhea-AI Filing Summary

Actinium Pharmaceuticals, Inc. (ATNM) reported that director C. David Nicholson received equity awards on September 2, 2026. He was granted 62,800 shares of Common Stock in the form of restricted stock units that vest in three equal annual installments over three years. He also received a stock option for 94,200 shares of Common Stock at an exercise price of $1.00 per share, vesting in fifty equal monthly tranches and expiring on September 2, 2036. Following these awards, he holds 63,300 shares of Common Stock directly.

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Insider Nicholson, C. David
Role Director
Type Security Shares Price Value
Grant/Award Stock Option (Right to Buy) F2 94,200 $0.00 $0.00
Grant/Award Common Stock F1 62,800 $0.00 $0.00
Holdings After Transaction: Stock Option (Right to Buy) — 94,200 contracts (Direct); Common Stock — 63,300 shares (Direct)
Footnotes (2)
  1. F1. Represents a grant of restricted stock units ("RSUs"). The RSUs vest as follows: 1/3 on the first anniversary of the date of grant, 1/3 on the second anniversary of the date of grant and 1/3 on the third anniversary of the date of grant.
  2. F2. The stock options vest and become exercisable in fifty equal monthly tranches beginning on the date of grant.
RSUs granted 62,800 shares Restricted stock units of Common Stock granted on September 2, 2026
Stock options granted 94,200 shares Stock option for Common Stock granted on September 2, 2026
Stock option exercise price $1.00 per share Exercise price for the 94,200-share stock option granted September 2, 2026
Option expiration date September 2, 2036 Expiration of the 94,200-share stock option grant
Common Stock held after awards 63,300 shares Direct non-derivative holdings following September 2, 2026 RSU grant
RSU vesting schedule 3 equal annual installments 1/3 each year over three years from the grant date
Option vesting tranches 50 monthly tranches Options vest in fifty equal monthly installments beginning on grant date
restricted stock units financial
"Represents a grant of restricted stock units ("RSUs")."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
RSUs financial
"Represents a grant of restricted stock units ("RSUs")."
RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.
stock options financial
"The stock options vest and become exercisable in fifty equal monthly tranches"
Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.
exercise price financial
"conversion_or_exercise_price": "1.0000""
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
vesting financial
"The RSUs vest as follows: 1/3 on the first anniversary of the date of grant"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

What equity awards did ATNM director C. David Nicholson receive on September 2, 2026?

He received 62,800 restricted stock units of Common Stock and a stock option for 94,200 shares of Common Stock with a $1.00 exercise price per share, both granted as equity compensation.

How do the new restricted stock units granted to ATNM director Nicholson vest?

The 62,800 RSUs vest in three equal installments: 1/3 on the first anniversary of the grant date, 1/3 on the second anniversary, and 1/3 on the third anniversary of the September 2, 2026 grant.

What are the vesting terms of Nicholson’s new ATNM stock options?

The 94,200 stock options vest and become exercisable in fifty equal monthly tranches beginning on the September 2, 2026 grant date, with an exercise price of $1.00 per share and an expiration date of September 2, 2036.

How many ATNM common shares does Nicholson hold after these transactions?

After the September 2, 2026 awards, C. David Nicholson holds 63,300 shares of Common Stock directly. This figure reflects his direct non-derivative holdings reported following the RSU grant.

Were Nicholson’s September 2, 2026 ATNM transactions under a Rule 10b5-1 plan?

No. The filing’s Rule 10b5-1 checkbox is not checked, and no footnote indicates a trading plan, so the equity awards are reported without reference to a Rule 10b5-1 plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Nicholson, C. David

(Last)(First)(Middle)
C/O ACTINIUM PHARMACEUTICALS, INC.
100 PARK AVE., 23RD FLOOR

(Street)
NEW YORK NEW YORK 10017

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Actinium Pharmaceuticals, Inc. [ ATNM ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock09/02/2026A62,800(1)A$063,300D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$109/02/2026A94,200 (2)09/02/2036Common Stock94,200$094,200D
Explanation of Responses:
1. Represents a grant of restricted stock units ("RSUs"). The RSUs vest as follows: 1/3 on the first anniversary of the date of grant, 1/3 on the second anniversary of the date of grant and 1/3 on the third anniversary of the date of grant.
2. The stock options vest and become exercisable in fifty equal monthly tranches beginning on the date of grant.
/s/ David Nicholson09/04/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)