NVAX

SEC source: 0001104659-26-023709 · tm268076-5_4seq1.xml · nonDerivative · entry 2

Draghia-Akli Ruxandra · CIK 0002041719 · EVP, Research & Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,563

F1 · shares: Represents the number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the RSU vesting.

SEC source: 0001104659-26-023709 · tm268076-5_4seq1.xml · nonDerivative · entry 1

Draghia-Akli Ruxandra · CIK 0002041719 · EVP, Research & Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,876

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-26-023074 · tm267953-4_4seq1.xml · derivative · entry 5

Jacobs John C · CIK 0001820836 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 551,500

Underlying: Common Stock · 551,500 shares

Expires 2036-03-02

F4 · derivative.exercise_date: 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.

SEC source: 0001104659-26-023074 · tm267953-4_4seq1.xml · derivative · entry 4

Jacobs John C · CIK 0001820836 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 367,500

Underlying: Common Stock · 367,500 shares

Expires 2036-03-02

F3 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Plan vest on each of the first three (3) anniversaries of March 2, 2026, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-023072 · tm267953-3_4seq1.xml · derivative · entry 5

Kelly James Patrick · CIK 0001506314 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 194,000

Underlying: Common Stock · 194,000 shares

Expires 2036-03-03

F4 · derivative.exercise_date: 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.

SEC source: 0001104659-26-023072 · tm267953-3_4seq1.xml · derivative · entry 4

Kelly James Patrick · CIK 0001506314 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,500

Underlying: Common Stock · 129,500 shares

Expires 2036-03-03

F3 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Plan vest on each of the first three (3) anniversaries of March 2, 2026, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-023070 · tm267953-2_4seq1.xml · derivative · entry 8

O'Hara Elaine · CIK 0001968045 · EVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,500

Underlying: Common Stock · 177,500 shares

Expires 2036-03-02

F5 · derivative.exercise_date: 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.

SEC source: 0001104659-26-023070 · tm267953-2_4seq1.xml · derivative · entry 7

O'Hara Elaine · CIK 0001968045 · EVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,000

Underlying: Common Stock · 118,000 shares

Expires 2036-03-02

F4 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Plan vest on each of the first three (3) anniversaries of March 2, 2026, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-023069 · tm267953-1_4seq1.xml · derivative · entry 5

Casey Mark J · CIK 0001415297 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,000

Underlying: Common Stock · 152,000 shares

Expires 2036-03-02

F4 · derivative.exercise_date: 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.

SEC source: 0001104659-26-023069 · tm267953-1_4seq1.xml · derivative · entry 4

Casey Mark J · CIK 0001415297 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,000

Underlying: Common Stock · 101,000 shares

Expires 2036-03-02

F3 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Plan vest on each of the first three (3) anniversaries of March 2, 2026, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-023709 · tm268076-5_4seq1.xml · derivative · entry 4

Draghia-Akli Ruxandra · CIK 0002041719 · EVP, Research & Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,500

Underlying: Common Stock · 139,500 shares

Expires 2036-03-02

F3 · derivative.exercise_date: One quarter 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.

SEC source: 0001104659-26-023709 · tm268076-5_4seq1.xml · derivative · entry 3

Draghia-Akli Ruxandra · CIK 0002041719 · EVP, Research & Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,000

Underlying: Common Stock · 93,000 shares

Expires 2036-03-02

F2 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under Novavax, Inc. Amended and Restated 2015 Stock Incentive Plan, as amended, (the "Plan") vest on each of the first three (3) anniversaries of March 2, 2026, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-025368 · tm268290-5_4seq1.xml · derivative · entry 1

Kelly James Patrick · CIK 0001506314 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 194,000

Underlying: Common Stock · 194,000 shares

Expires 2036-03-03

F1 · derivative.exercise_price: This Form 4/A has been filed solely to amend the exercise price as originally reported in Column 2 and price of derivative security 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.

F1 · price: This Form 4/A has been filed solely to amend the exercise price as originally reported in Column 2 and price of derivative security 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.

F2 · derivative.exercise_date: 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.

SEC source: 0001104659-26-025366 · tm268290-4_4aseq1.xml · derivative · entry 1

Draghia-Akli Ruxandra · CIK 0002041719 · EVP, Research & Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,500

Underlying: Common Stock · 139,500 shares

Expires 2036-03-02

F1 · derivative.exercise_price: 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 5, 2026. All other information remains unchanged from the March 5, 2026 filing.

F1 · price: 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 5, 2026. All other information remains unchanged from the March 5, 2026 filing.

F2 · derivative.exercise_date: 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.

SEC source: 0001104659-26-025365 · tm268290-3_4aseq1.xml · derivative · entry 1

Casey Mark J · CIK 0001415297 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,000

Underlying: Common Stock · 152,000 shares

Expires 2036-03-02

F1 · derivative.exercise_price: 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.

F1 · price: 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.

F2 · derivative.exercise_date: 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.

SEC source: 0001104659-26-025363 · tm268290-2_4aseq1.xml · derivative · entry 1

Jacobs John C · CIK 0001820836 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 551,500

Underlying: Common Stock · 551,500 shares

Expires 2036-03-02

F1 · derivative.exercise_price: 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.

F1 · price: 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.

F2 · derivative.exercise_date: 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.

SEC source: 0001104659-26-025361 · tm268290-1_4aseq1.xml · derivative · entry 1

O'Hara Elaine · CIK 0001968045 · EVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,500

Underlying: Common Stock · 177,500 shares

Expires 2036-03-02

F1 · derivative.exercise_price: 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.

F1 · price: 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.

F2 · derivative.exercise_date: 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.

SEC source: 0001104659-26-023074 · tm267953-4_4seq1.xml · derivative · entry 3

Jacobs John C · CIK 0001820836 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 83,333 shares

Expires 2033-03-03

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Novavax, Inc. Amended and Restated 2015 Stock Incentive Plan, as amended, (the "Plan") vest on each of the first three (3) anniversaries of March 1, 2024, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-023074 · tm267953-4_4seq1.xml · nonDerivative · entry 2

Jacobs John C · CIK 0001820836 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,680

F1 · shares: Represents the number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the RSU vesting.

SEC source: 0001104659-26-023074 · tm267953-4_4seq1.xml · nonDerivative · entry 1

Jacobs John C · CIK 0001820836 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 264,130

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-26-023072 · tm267953-3_4seq1.xml · derivative · entry 3

Kelly James Patrick · CIK 0001506314 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,666

Underlying: Common Stock · 58,666 shares

Expires 2034-03-01

F2 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Novavax, Inc. Amended and Restated 2015 Stock Incentive Plan, as amended, (the "Plan") vest on each of the first three (3) anniversaries of March 1, 2024, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-023072 · tm267953-3_4seq1.xml · nonDerivative · entry 2

Kelly James Patrick · CIK 0001506314 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,963

F1 · shares: Represents the number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the RSU vesting.

SEC source: 0001104659-26-023072 · tm267953-3_4seq1.xml · nonDerivative · entry 1

Kelly James Patrick · CIK 0001506314 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 130,299

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-26-023070 · tm267953-2_4seq1.xml · derivative · entry 6

O'Hara Elaine · CIK 0001968045 · EVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2034-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Plan vest on each of the first three (3) anniversaries of March 1, 2024, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-023070 · tm267953-2_4seq1.xml · derivative · entry 5

O'Hara Elaine · CIK 0001968045 · EVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 19,600 shares

Expires 2033-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Novavax, Inc. Amended and Restated 2015 Stock Incentive Plan, as amended, (the "Plan") vest on each of the first three (3) anniversaries of March 1, 2023, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-023070 · tm267953-2_4seq1.xml · nonDerivative · entry 4

O'Hara Elaine · CIK 0001968045 · EVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,737

F1 · shares: Represents the number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the RSU vesting.

SEC source: 0001104659-26-023070 · tm267953-2_4seq1.xml · nonDerivative · entry 3

O'Hara Elaine · CIK 0001968045 · EVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,706

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-26-023070 · tm267953-2_4seq1.xml · nonDerivative · entry 2

O'Hara Elaine · CIK 0001968045 · EVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,706

F1 · shares: Represents the number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the RSU vesting.

SEC source: 0001104659-26-023070 · tm267953-2_4seq1.xml · nonDerivative · entry 1

O'Hara Elaine · CIK 0001968045 · EVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,081

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-26-023069 · tm267953-1_4seq1.xml · derivative · entry 3

Casey Mark J · CIK 0001415297 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,000

Underlying: Common Stock · 4,000 shares

Expires 2034-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Novavax, Inc. Amended and Restated 2015 Stock Incentive Plan, as amended, (the "Plan") vest on each of the first three (3) anniversaries of March 1, 2024, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-023069 · tm267953-1_4seq1.xml · nonDerivative · entry 2

Casey Mark J · CIK 0001415297 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,945

F1 · shares: Represents the number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the RSU vesting.

SEC source: 0001104659-26-023069 · tm267953-1_4seq1.xml · nonDerivative · entry 1

Casey Mark J · CIK 0001415297 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,159

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-26-006721 · tm264124-1_4seq1.xml · derivative · entry 3

Jacobs John C · CIK 0001820836 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 83,197 shares

Expires 2033-03-03

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Plan vest on each of the first three (3) anniversaries of the grant date, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-26-006721 · tm264124-1_4seq1.xml · nonDerivative · entry 2

Jacobs John C · CIK 0001820836 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,797

SEC source: 0001104659-26-006721 · tm264124-1_4seq1.xml · nonDerivative · entry 1

Jacobs John C · CIK 0001820836 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 219,929

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-25-121103 · tm2533544-1_4seq1.xml · derivative · entry 3

Casey Mark J · CIK 0001415297 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,899

Underlying: Common Stock · 41,899 shares

Expires 2033-12-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Plan vest on each of the first three (3) anniversaries of the grant date, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-25-121103 · tm2533544-1_4seq1.xml · nonDerivative · entry 2

Casey Mark J · CIK 0001415297 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,159

SEC source: 0001104659-25-121103 · tm2533544-1_4seq1.xml · nonDerivative · entry 1

Casey Mark J · CIK 0001415297 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,972

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-25-111494 · tm2531249-1_4seq1.xml · derivative · entry 3

Draghia-Akli Ruxandra · CIK 0002041719 · Section 16

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,513

Underlying: Common Stock · 14,257 shares

Expires 2034-11-11

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Company common stock.

F2 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Plan vest on each of the first three (3) anniversaries of the grant date, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-25-111494 · tm2531249-1_4seq1.xml · nonDerivative · entry 2

Draghia-Akli Ruxandra · CIK 0002041719 · Section 16

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,209

SEC source: 0001104659-25-111494 · tm2531249-1_4seq1.xml · nonDerivative · entry 1

Draghia-Akli Ruxandra · CIK 0002041719 · Section 16

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,257

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-25-104413 · tm2529852-1_4seq1.xml · derivative · entry 2

Rodgers Richard J · CIK 0001313397 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Restricted Stock Units · 3,800 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Novavax, Inc. (the "Company") common stock.

F2 · derivative.exercise_date: The RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested or will vest with respect to one-third (1/3) of the RSUs on each of the first three (3) anniversaries of the October 29, 2022 grant date, in each case subject to continued employment through such vesting date.

F2 · derivative.expiration_date: The RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested or will vest with respect to one-third (1/3) of the RSUs on each of the first three (3) anniversaries of the October 29, 2022 grant date, in each case subject to continued employment through such vesting date.

SEC source: 0001104659-25-104413 · tm2529852-1_4seq1.xml · nonDerivative · entry 1

Rodgers Richard J · CIK 0001313397 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,490

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Novavax, Inc. (the "Company") common stock.

SEC source: 0001104659-25-062196 · tm2518838-6_4seq1.xml · derivative · entry 2

Rodgers Richard J · CIK 0001313397 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,884

Underlying: Common Stock · 18,884 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Novavax, Inc. (the "Company") common stock.

F2 · derivative.exercise_date: One hundred percent (100%) of the RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.

SEC source: 0001104659-25-062196 · tm2518838-6_4seq1.xml · derivative · entry 1

Rodgers Richard J · CIK 0001313397 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,326

Underlying: Common Stock · 28,326 shares

Expires 2035-06-20

F3 · derivative.exercise_date: One hundred percent (100%) of the shares subject to this option grant under the Amended and Restated 2015 Stock Incentive Plan, as amended, will vest on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.

SEC source: 0001104659-25-062195 · tm2518838-5_4seq1.xml · derivative · entry 2

MOTT DAVID M · CIK 0001219871 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,884

Underlying: Common Stock · 18,884 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Novavax, Inc. (the "Company") common stock.

F2 · derivative.exercise_date: One hundred percent (100%) of the RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.

SEC source: 0001104659-25-062195 · tm2518838-5_4seq1.xml · derivative · entry 1

MOTT DAVID M · CIK 0001219871 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,326

Underlying: Common Stock · 28,326 shares

Expires 2035-06-20

F3 · derivative.exercise_date: One hundred percent (100%) of the shares subject to this option grant under the Amended and Restated 2015 Stock Incentive Plan, as amended, will vest on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.

SEC source: 0001104659-25-062194 · tm2518838-4_4seq1.xml · derivative · entry 2

King Rachel K. · CIK 0001589712 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,884

Underlying: Common Stock · 18,884 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Novavax, Inc. (the "Company") common stock.

F2 · derivative.exercise_date: One hundred percent (100%) of the RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.

SEC source: 0001104659-25-062194 · tm2518838-4_4seq1.xml · derivative · entry 1

King Rachel K. · CIK 0001589712 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,326

Underlying: Common Stock · 28,326 shares

Expires 2035-06-20

F3 · derivative.exercise_date: One hundred percent (100%) of the shares subject to this option grant under the Amended and Restated 2015 Stock Incentive Plan, as amended, will vest on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.

SEC source: 0001104659-25-062193 · tm2518838-3_4seq1.xml · derivative · entry 2

DOUGLAS RICHARD · CIK 0001021015 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,884

Underlying: Common Stock · 18,884 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Novavax, Inc. (the "Company") common stock.

F2 · derivative.exercise_date: One hundred percent (100%) of the RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested on the first anniversary of the June 20, 2024 grant date subject to continued service on the Company's Board of Directors through the vesting date.