STOCK TITAN
  1. Home
  2. Sec-filings
  3. MRNA
  4. [Form 4] Moderna, Inc. Insider Trading Activity

Moderna (MRNA) CFO reports RSU vesting, tax-withheld shares on Form 4

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Moderna, Inc.’s Chief Financial Officer James M. Mock reported routine equity compensation activity involving restricted stock units (RSUs). On July 2, 2026, 1,452 RSUs converted into 1,452 shares of common stock on a one-for-one basis, reflecting vesting of a prior award.

To cover tax withholding obligations tied to this vesting, 703 shares of common stock were withheld at an effective price of $72.50 per share, a non-market, tax-related disposition rather than an open‑market sale. Following these transactions, Mock directly holds 66,436 shares of common stock and 1,454 RSUs, indicating he retained the majority of the vested shares as ongoing equity exposure.

Positive

  • None.

Negative

  • None.
Insider Mock James M
Role Chief Financial Officer
Type Security Shares Price Value
Exercise Restricted Stock Units 1,452 $0.00 --
Exercise Common Stock 1,452 $0.00 --
Tax Withholding Common Stock 703 $72.50 $51K
Holdings After Transaction: Restricted Stock Units — 1,454 shares (Direct, null); Common Stock — 67,139 shares (Direct, null)
Footnotes (1)
  1. Restricted stock units convert into common stock on a one-for-one basis. Represents shares withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the vest of restricted stock units. 25% of the shares subject to this restricted stock unit award vested on October 5, 2023 with the remainder vesting in twelve (12) equal quarterly installments thereafter.
RSUs converted 1,452 shares Restricted stock units converting into common stock on July 2, 2026
Tax-withheld shares 703 shares Shares withheld to satisfy tax obligations at $72.50 per share
Tax withholding price $72.50/share Value applied to 703 shares used for tax withholding
Common shares held after 66,436 shares Directly held Moderna common stock following the transactions
RSUs outstanding after 1,454 units Restricted stock units remaining after the 1,452-unit conversion
Restricted stock units financial
"Restricted stock units convert into common stock on a one-for-one basis."
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.
tax withholding obligations financial
"Represents shares withheld at the election of the Reporting Person to satisfy tax withholding obligations."
vest financial
"obligations in connection with the vest of restricted stock units."
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
quarterly installments financial
"the remainder vesting in twelve (12) equal quarterly installments thereafter."
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Form 4 Insider Transactions: What Each Field Means →
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*
Mock James M
(Last)(First)(Middle)
C/O MODERNA, INC.
325 BINNEY STREET
(Street)
CAMBRIDGE MASSACHUSETTS 02142
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Moderna, Inc. [ MRNA ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Financial Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/02/2026		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 Stock07/02/2026M(1)1,452A(1)67,139D
Common Stock07/02/2026F(2)703D$72.566,436D
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
Restricted Stock Units(1)07/02/2026M(1)1,452 (3) (3)Common Stock1,452$01,454D
Explanation of Responses:
1. Restricted stock units convert into common stock on a one-for-one basis.
2. Represents shares withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the vest of restricted stock units.
3. 25% of the shares subject to this restricted stock unit award vested on October 5, 2023 with the remainder vesting in twelve (12) equal quarterly installments thereafter.
/s/ James Dillon, As Attorney-in-Fact07/06/2026
** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Moderna (MRNA) report for CFO James Mock?

Moderna’s CFO James M. Mock reported RSU vesting and related tax withholding. 1,452 restricted stock units converted into common shares, and 703 shares were withheld to satisfy tax obligations, reflecting routine compensation rather than open‑market buying or selling.

Did Moderna CFO James Mock buy or sell Moderna (MRNA) stock on the open market?

The transactions were not open‑market trades. They involved RSU vesting and 703 shares withheld to pay taxes at $72.50 per share, a standard compensation-related mechanism rather than discretionary buying or selling of Moderna common stock.

How many Moderna (MRNA) shares does the CFO hold after these Form 4 transactions?

After the reported transactions, James M. Mock directly holds 66,436 shares of Moderna common stock. He also continues to hold 1,454 restricted stock units, which represent potential future common shares as they vest over time.

What price was used for the Moderna (MRNA) tax-withholding shares in the Form 4?

For tax withholding, 703 shares of Moderna common stock were valued at $72.50 per share. These shares were withheld to satisfy tax obligations arising from RSU vesting, not sold into the market for cash proceeds.

How many Moderna (MRNA) restricted stock units vested for the CFO in this filing?

The filing shows 1,452 restricted stock units converted into common stock on a one-for-one basis. This reflects scheduled vesting under a prior RSU award, with associated tax withholding handled through share retention by the company.

What does the vesting schedule footnote in the Moderna (MRNA) Form 4 indicate?

A footnote states that 25% of the RSU award vested on October 5, 2023, with the remainder vesting in twelve equal quarterly installments. The July 2, 2026 conversion of 1,452 RSUs reflects one of these scheduled vesting installments.