Mark J. Casey - 02 Mar 2026 Form 4/A - Amendment Insider Report for NOVAVAX INC (NVAX)

Source evidence Original filing metadata and source links for verification. 6 source fields
SEC form
4/A - Amendment
Accepted by SEC
09 Mar 2026, 18:09:38 UTC
Original report date
03 Mar 2026
Prior SEC filing
03 Mar 2026
Next SEC filing
05 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Mark J. Casey

Key filing fact

Mark J. Casey filed Form 4/A - Amendment for NOVAVAX INC (NVAX) on 09 Mar 2026.

Key facts

  • This page summarizes Mark J. Casey's Form 4/A - Amendment filing for NOVAVAX INC (NVAX).
  • 1 reported transaction and 1 derivative row are listed below.
  • Accepted by SEC: 09 Mar 2026, 18:09.

Change

  • Previous filing in this sequence was filed on 03 Mar 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0001415297 Primary reporting owner

Casey Mark J

Relationship
EVP, Chief Legal Officer
Address
21 FIRSTFIELD ROAD, GAITHERSBURG
Signature
/s/ Mark J. Casey
Signature date
09 Mar 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NVAX transaction Derivative

Non-Statutory Stock Option NQ

Award

Transaction value
Shares
+152,000
Change %
Price
$0.000000*
Shares after
152,000
Date
02 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
152,000
Exercise price
$10.11
Footnotes
F1, F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

This Form 4/A has been filed solely to amend the exercise price as originally reported in Column 2 and price of derivative security as originally reported in Column 8 of Table II of the Reporting Person's Form 4 filed on March 3, 2026. All other information remains unchanged from the March 3, 2026 filing.

Footnote F2

One quarter (1/4) of the shares subject to this option granted under the Plan vest on the first anniversary of March 2, 2026, and the remaining three-quarters (3/4) of the shares vest in equal monthly installments over the following three (3) years, in each case subject to continued employment with the Company through such vesting date.

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