Trizzino John

SEC source: 0001209191-21-002621 · doc4.xml · nonDerivative · entry 7

Trizzino John · CIK 0001468534 · EVP, CMO and CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,830

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.73 to $111.70, inclusive. The reporting person undertakes to provide to Novavax, Inc., any security holder of Novavax, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-21-002621 · doc4.xml · nonDerivative · entry 6

Trizzino John · CIK 0001468534 · EVP, CMO and CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,994

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.72 to $110.65, inclusive. The reporting person undertakes to provide to Novavax, Inc., any security holder of Novavax, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-21-002621 · doc4.xml · nonDerivative · entry 5

Trizzino John · CIK 0001468534 · EVP, CMO and CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,694

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 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001209191-21-002621 · doc4.xml · nonDerivative · entry 4

Trizzino John · CIK 0001468534 · EVP, CMO and CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,445

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 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001209191-21-002621 · doc4.xml · nonDerivative · entry 3

Trizzino John · CIK 0001468534 · EVP, CMO and CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,363

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 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001209191-21-002621 · doc4.xml · nonDerivative · entry 2

Trizzino John · CIK 0001468534 · EVP, CMO and CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,695

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 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001209191-21-002621 · doc4.xml · nonDerivative · entry 1

Trizzino John · CIK 0001468534 · EVP, CMO and CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,481

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 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001209191-21-005735 · doc4a.xml · nonDerivative · entry 1

Trizzino John · CIK 0001468534 · EVP, Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 866

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · kind: The reporting person received 579 shares of common stock upon the net exercise of 1,149 stock appreciation rights. The reporting person forfeited 59 shares of common stock underlying the stock appreciation rights representing the base value and 511 shares of common stock underlying the stock appreciation rights to satisfy the withholding tax obligations resulting from the exercise, using the closing stock price on January 5, 2021 of $116.24.

F3 · shares: This amendment to the original Form 4 filed on January 7, 2021 is being filed to correct the number of shares reported as forfeited by the reporting person to satisfy withholding tax obligations resulting from the exercise of 1,149 stock appreciation rights on January 5, 2021.

SEC source: 0001209191-20-063829 · doc4.xml · derivative · entry 2

Trizzino John · CIK 0001468534 · EVP, CMO and CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,800

Underlying: Common Stock · 4,800 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: One-third (1/3) of the RSUs subject to this grant under the Company's Plan will vest on each of the first three (3) anniversaries of the Grant Date, subject to continued employment through each such vesting date.

F3 · derivative.expiration_date: One-third (1/3) of the RSUs subject to this grant under the Company's Plan will vest on each of the first three (3) anniversaries of the Grant Date, subject to continued employment through each such vesting date.

SEC source: 0001209191-20-063829 · doc4.xml · derivative · entry 1

Trizzino John · CIK 0001468534 · EVP, CMO and CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,500

Underlying: Common Stock · 9,500 shares

Expires 2030-12-14

F1 · derivative.exercise_date: Twenty-five percent (25%) of the shares subject to this option grant under the Novavax, Inc. (the "Company") Amended and Restated 2015 Stock Incentive Plan, as amended (the "Plan"), will vest on the first anniversary of the December 14, 2020 grant date (the "Grant Date"), and the remaining seventy-five percent (75%) of the shares will vest in equal monthly installments over the following three (3) years, in each case subject to continued employment through such vesting date.

SEC source: 0001209191-20-052700 · doc4.xml · nonDerivative · entry 8

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,087

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F8 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.98 to $115.20, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052700 · doc4.xml · nonDerivative · entry 7

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,196

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F7 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.83 to $114.47, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052700 · doc4.xml · nonDerivative · entry 6

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,410

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001209191-20-052700 · doc4.xml · nonDerivative · entry 5

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,468

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F6 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.60 to $112.29, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052700 · doc4.xml · nonDerivative · entry 4

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,628

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.47 to $111.27, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052700 · doc4.xml · nonDerivative · entry 3

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,960

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.17 to $110.16, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052700 · doc4.xml · nonDerivative · entry 2

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,313

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.08 to $109.07, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052700 · doc4.xml · nonDerivative · entry 1

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,258

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.00 to $107.82, inclusive. The reporting person undertakes to provide to Novavax, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 19

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,337

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F17 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.64 to $109.52, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 18

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,769

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F16 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.57 to $108.57, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 17

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,520

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F15 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.54 to $107.53, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 16

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,173

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F14 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.61 to $106.50, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · derivative · entry 21

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,800

Underlying: Common Stock · 4,600 shares

Expires 2029-09-26

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 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · kind: The reporting person received 2,250 shares of common stock upon the net exercise of 4,600 stock appreciation rights. The reporting person forfeited 247 shares of common stock underlying the stock appreciation rights representing the base value and 2,103 shares of common stock underlying the stock appreciation rights to satisfy the withholding tax obligations resulting from the exercise, using the closing stock price on September 28, 2020 of $111.18.

F19 · derivative.exercise_date: Twenty-five percent (25%) of the shares subject to this stock appreciation right grant vested on the first anniversary of the Grant Date, and the remaining seventy-five percent (75%) of the shares will vest in equal monthly installments over the following three (3) years, in each case subject to continued employment through such vesting date.

SEC source: 0001209191-20-052525 · doc4.xml · derivative · entry 20

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 25,000 shares

Expires 2029-09-26

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 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F18 · derivative.exercise_date: Twenty-five percent (25%) of the shares subject to this option grant vested on the first anniversary of the September 26, 2019 grant date (the "Grant Date"), and the remaining seventy-five percent (75%) of the shares will vest in equal monthly installments over the following three (3) years, in each case subject to continued employment through such vesting date.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 15

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,658

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F13 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.61 to $117.60, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 14

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,210

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F12 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.61 to $116.60, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 13

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,160

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F11 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.61 to $115.60, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 12

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,163

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F10 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.61 to $114.60, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 11

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,564

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F9 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.61 to $113.60, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 10

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,291

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F8 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.61 to $112.60, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 9

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,506

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F7 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.61 to $111.60, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 8

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,849

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F6 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.61 to $110.60, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 7

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,982

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.61 to $109.60, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 6

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,643

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.61 to $108.60, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 5

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,383

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.61 to $107.60, inclusive. The reporting person undertakes to provide to Novavax, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 4

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,658

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · kind: The reporting person received 2,250 shares of common stock upon the net exercise of 4,600 stock appreciation rights. The reporting person forfeited 247 shares of common stock underlying the stock appreciation rights representing the base value and 2,103 shares of common stock underlying the stock appreciation rights to satisfy the withholding tax obligations resulting from the exercise, using the closing stock price on September 28, 2020 of $111.18.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 3

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,761

F1 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · kind: The reporting person received 2,250 shares of common stock upon the net exercise of 4,600 stock appreciation rights. The reporting person forfeited 247 shares of common stock underlying the stock appreciation rights representing the base value and 2,103 shares of common stock underlying the stock appreciation rights to satisfy the withholding tax obligations resulting from the exercise, using the closing stock price on September 28, 2020 of $111.18.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 2

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,008

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 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · kind: The reporting person received 2,250 shares of common stock upon the net exercise of 4,600 stock appreciation rights. The reporting person forfeited 247 shares of common stock underlying the stock appreciation rights representing the base value and 2,103 shares of common stock underlying the stock appreciation rights to satisfy the withholding tax obligations resulting from the exercise, using the closing stock price on September 28, 2020 of $111.18.

SEC source: 0001209191-20-052525 · doc4.xml · nonDerivative · entry 1

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,408

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 · kind: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001209191-20-052369 · doc4.xml · derivative · entry 6

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,076

Underlying: Common Stock · 3,538 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.

F3 · derivative.exercise_date: The RSUs subject to this grant under the Plan vested or will vest with respect to one-third (1/3) of the RSUs on each of the first three (3) anniversaries of the Grant Date, in each case subject to continued employment through such vesting date.

F3 · derivative.expiration_date: The RSUs subject to this grant under the Plan vested or will vest with respect to one-third (1/3) of the RSUs 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: 0001209191-20-052369 · doc4.xml · derivative · entry 5

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 31,900 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: One hundred percent (100%) of the RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended (the "Plan"), vested one (1) year from the September 26, 2019 grant date (the "Grant Date"), subject to continued employment with the Company 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 (the "Plan"), vested one (1) year from the September 26, 2019 grant date (the "Grant Date"), subject to continued employment with the Company through the vesting date.

SEC source: 0001209191-20-052369 · doc4.xml · nonDerivative · entry 4

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,408

SEC source: 0001209191-20-052369 · doc4.xml · nonDerivative · entry 3

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,117

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: 0001209191-20-052369 · doc4.xml · nonDerivative · entry 2

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,579

SEC source: 0001209191-20-052369 · doc4.xml · nonDerivative · entry 1

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,987

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: 0001209191-20-048420 · doc4.xml · derivative · entry 1

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Common Stock · 140,000 shares

Expires 2030-04-17

F1 · derivative.exercise_date: On April 17, 2020, the reporting person was granted an option to purchase 140,000 shares of common stock of Novavax, Inc. (the "Company") pursuant to the Company's Amended and Restated 2015 Stock Incentive Plan, as amended. The vesting of the shares subject to this option grant is subject to the satisfaction of a performance-based vesting requirement, followed by time-based vesting. The performance metric required that the Company initiate a COVID-19 Phase 2 clinical trial within twelve (12) months of the grant date, which occurred when the Company initiated its Phase 2 clinical trial of NVX-CoV2373 in the U.S. on August 24, 2020. Following that event, fifty percent (50%) of the shares will vest on August 24, 2021, the first anniversary of the initiation date, and the remaining fifty percent (50%) of the shares will vest on August 24, 2022, the second anniversary of the initiation date, in each case subject to continued employment through such vesting date.

SEC source: 0000904454-20-000592 · edgar.xml · derivative · entry 21

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,589

Underlying: Common Stock · 10,410 shares

Expires 2028-12-13

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.

F16 · derivative.exercise_date: Twenty-five percent (25%) of the shares subject to this option grant vested on the first anniversary of the December 13, 2018 grant date, and the remaining seventy-five percent (75%) of the shares vested or will vest in equal monthly installments over the following three (3) years subject to continued employment through such vesting date.

SEC source: 0000904454-20-000592 · edgar.xml · derivative · entry 20

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,677

Underlying: Common Stock · 13,322 shares

Expires 2027-12-15

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.

F15 · derivative.exercise_date: Twenty-five percent (25%) of the shares subject to this option grant vested on the first anniversary of the December 15, 2017 grant date, and the remaining seventy-five percent (75%) of the shares vested or will vest in equal monthly installments over the following three (3) years, subject to continued employment through such vesting date.

SEC source: 0000904454-20-000592 · edgar.xml · derivative · entry 19

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,298

Underlying: Common Stock · 1,952 shares

Expires 2026-11-14

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.

F14 · derivative.exercise_date: Vesting of the shares subject to this option grant is subject to the satisfaction of both (1) a time-based vesting requirement, pursuant to which twenty-five percent (25%) of the shares vested on the first anniversary of the November 14, 2016 grant date, and the remaining seventy-five percent (75%) of the shares vested or will vest in equal monthly installments on the first of each month over the following three (3) years, subject to continued employment through such vesting date, and (2) a performance-based vesting requirement, pursuant to which 33.33%, 33.33%, and 33.34% of the shares vested or will vest if, at any time during the four-year period from the November 14, 2016 grant date, the volume-weighted average stock price of the Company's common stock meets or exceeds $80.00, $120.00, or $160.00, respectively, for twenty (20) consecutive trading days.

SEC source: 0000904454-20-000592 · edgar.xml · derivative · entry 18

Trizzino John · CIK 0001468534 · EVP, CBO and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 394

Underlying: Common Stock · 5,855 shares

Expires 2026-11-14

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.

F13 · derivative.exercise_date: Twenty-five percent (25%) of the shares subject to this option grant vested on the first anniversary of the November 14, 2016 grant date, and the remaining seventy-five percent (75%) of the shares vested or will vest in equal monthly installments over the following three (3) years, subject to continued employment through such vesting date.