Moderna CFO James M. Mock Reports Routine RSU Vesting and Tax Withholding
Moderna, Inc.
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Filing Summary
Moderna, Inc. ($MRNA) Form 4 Filing Summary
Insider: James M Mock (Chief Financial Officer) Filing Date: August 31, 2026 Transaction Date: August 27–28, 2026
Transaction Overview:
- Acquisitions (RSU Vesting): 1,103 shares acquired via RSU conversion (774 shares on 08/27, 329 shares on 08/28) at $0.00.
- Dispositions (Tax Withholding): 535 shares withheld for taxes (375 shares at $149.66, 160 shares at $142.77) for a total value of ~$78,965.70.
- Ending Direct Holdings: 67,004 shares of Common Stock.
Significance: Low — Standard equity vesting and automated tax withholding.
Comprehensive Analysis
Executive Summary
On August 31, 2026, Moderna, Inc. ($MRNA) Chief Financial Officer James M. Mock filed a Form 4 disclosing routine equity award vesting and associated tax withholding transactions that occurred on August 27 and August 28, 2026.
Transaction Details
- August 27, 2026:
- Acquired 774 shares of Common Stock upon the vesting of Restricted Stock Units (RSUs) (Code
M). - Disposed of 375 shares at $149.66 per share to cover statutory tax withholding obligations (Code
F), valued at $56,122.50.
- Acquired 774 shares of Common Stock upon the vesting of Restricted Stock Units (RSUs) (Code
- August 28, 2026:
- Acquired 329 shares of Common Stock upon RSU vesting (Code
M). - Disposed of 160 shares at $142.77 per share to satisfy tax withholding obligations (Code
F), valued at $22,843.20.
- Acquired 329 shares of Common Stock upon RSU vesting (Code
Post-Transaction Holdings
Following these transactions, James M. Mock directly beneficially owns 67,004 shares of Moderna Common Stock, alongside remaining unvested RSU balances.
Significance Assessment
- Significance Level: Low
- Context: The transactions reflect scheduled quarterly vesting of previously granted RSU awards and the mandatory disposition of shares to cover tax obligations. There were no discretionary open-market sales or purchases.
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