Theodosopoulos Nikos

SEC source: 0001605860-26-000003 · primarydocument.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,362

F1 · shares: Shares purchased based on reporting person's election to receive stock in lieu of cash compensation fee otherwise due to reporting person as a director of the Issuer.

F2 · price: Average purchase price. Shares purchased at prices between $14.31 and $14.39.

F3 · balance_after: The number of shares includes shares acquired pursuant to the Hercules Capital, Inc. dividend reinvestment plan, exempt under Rule 16a-11.

SEC source: 0001605860-26-000002 · primarydocument.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,523

SEC source: 0001605860-26-000001 · primarydocument.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,923

F1 · price: Average purchase price. Shares purchased at prices between $15.90 and $15.95.

F2 · balance_after: Includes 286, 243 and 269 dividend reinvestment shares acquired on May 20, 2025, August 19, 2025 and November 19, 2025, respectively.

SEC source: 0001193125-26-002902 · ownership.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,963

F1 · kind: Represents a restricted stock award grant that vests in full on the first anniversary of the date of grant.

SEC source: 0001193125-25-303491 · ownership.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,154

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.75 to $8.00, inclusive. The reporting person undertakes to provide to ADTRAN Holdings, Inc. (the Issuer), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1) to this Form 4.

SEC source: 0001562180-25-003694 · primarydocument.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,960

F1 · price: Average purchase price. Shares purchased at prices between $17.38 and $17.58.

F2 · balance_after: Includes 124, 117 and 108 dividend reinvestment shares acquired on August 20, 2024, November 20, 2024 and March 5, 2025, respectively.

SEC source: 0000950170-25-001102 · ownership.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,295

F1 · kind: Represents restricted stock award grant that vests in full on the first anniversary of the date of grant.

SEC source: 0001562180-24-006123 · primarydocument.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,613

F1 · shares: Shares purchased based on reporting person's election to receive stock in lieu of cash compensation fee otherwise due to reporting person as a director of the Issuer.

F2 · price: Average purchase price. Shares purchased at prices between $18.00 and $18.0500.

SEC source: 0001562180-24-005255 · primarydocument.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,005

F1 · shares: Restricted Stock issued as an automatic grant upon re-election to the board of directors pursuant to the 2018 Non-Employee Director Plan and subject to forfeiture restrictions. One-third vests on the anniversary of the grant over three years.

F2 · balance_after: Includes 16 and 8 dividend reinvestment shares acquired on March 6, 2024 and May 21, 2024, respectively.

SEC source: 0000950170-24-001230 · ownership.xml · derivative · entry 4

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 168.424 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: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DERs represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

F1 · derivative.exercise_date: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DERs represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

F1 · derivative.expiration_date: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DERs represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

SEC source: 0000950170-24-001230 · ownership.xml · nonDerivative · entry 3

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,889

F2 · security: Represents restricted stock award grant that vests in full on the first anniversary of the date of grant.

SEC source: 0000950170-24-001230 · ownership.xml · nonDerivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,540

F1 · security: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DERs represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

SEC source: 0000950170-24-001230 · ownership.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,540.424

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 · security: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DERs represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

F1 · price: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DERs represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

SEC source: 0001562180-23-007952 · primarydocument.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 951

F1 · shares: Shares acquired through the Hercules Capital, Inc. Dividend Reinvestment Plan.

SEC source: 0001562180-23-007019 · primarydocument.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 923

F1 · shares: Restricted stock issued as an automatic grant upon election to the board of directors pursuant to the 2018 Non-Employee Director Plan and subject to forfeiture restrictions. 308 shares vest on December 20, 2023, 308 shares vest on March 19, 2024 and 307 shares vest on June 20, 2024.

SEC source: 0001209191-23-048668 · doc4.xml · derivative · entry 4

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168.424

Underlying: Common Stock · 69.021 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus cash for any fractional shares.

F2 · derivative.exercise_date: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus cash for any fractional shares.

F2 · derivative.expiration_date: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus cash for any fractional shares.

SEC source: 0001209191-23-048668 · doc4.xml · derivative · entry 3

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99.403

Underlying: Common Stock · 45.973 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: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DER's represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

F1 · derivative.exercise_date: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DER's represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

F1 · derivative.expiration_date: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DER's represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

SEC source: 0001209191-23-048668 · doc4.xml · nonDerivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,372

F1 · security: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DER's represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

F1 · price: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DER's represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

SEC source: 0001209191-23-048668 · doc4.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,372.973

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 · security: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DER's represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

F1 · price: Settlement of dividend equivalent rights (DERs) in connection with the lapse of restrictions on restricted stock awards (RSAs). The DER's represent quarterly cash dividends paid on restricted stock awards, which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

SEC source: 0001209191-23-035505 · doc4.xml · derivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145.376

Underlying: Common Stock · 81.994 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus cash for any fractional shares.

F1 · derivative.exercise_date: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus cash for any fractional shares.

F1 · derivative.expiration_date: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus cash for any fractional shares.

SEC source: 0001596532-23-000133 · edgardoc.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 510 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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 · derivative.exercise_date: The reporting person was granted RSUs on May 31, 2022. 1/4th of the shares vested on August 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

F2 · derivative.expiration_date: The reporting person was granted RSUs on May 31, 2022. 1/4th of the shares vested on August 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

SEC source: 0001596532-23-000133 · edgardoc.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,002

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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

SEC source: 0001209191-23-020786 · doc4.xml · derivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63.382

Underlying: Common Stock · 46.956 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus cash for any fractional shares.

F1 · derivative.exercise_date: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus cash for any fractional shares.

F1 · derivative.expiration_date: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus cash for any fractional shares.

SEC source: 0001596532-23-000044 · edgardoc.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 510

Underlying: Common Stock · 511 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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 · derivative.exercise_date: The reporting person was granted RSUs on May 31, 2022. 1/4th of the shares vested on August 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

F2 · derivative.expiration_date: The reporting person was granted RSUs on May 31, 2022. 1/4th of the shares vested on August 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

SEC source: 0001596532-23-000044 · edgardoc.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,492

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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

SEC source: 0001209191-23-004860 · doc4.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,327

F1 · kind: Represents a restricted stock award grant that vests in full on December 31, 2023.

SEC source: 0001209191-23-000995 · doc4.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,698

F1 · security: Represents restricted stock award grant that vests in full on the first anniversary of the date of grant.

SEC source: 0001209191-22-060402 · doc4.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16.426

Underlying: Common Stock · 8.861 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

F2 · derivative.exercise_date: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

F2 · derivative.expiration_date: Represents quarterly cash dividends paid on restricted stock awards (RSAs), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

F1 · balance_after: On our previous filing on September 6, 2022, the dividend equivalent rights were inadvertently reported in Table I as non-derivative securities acquired. This report properly reflects the dividend equivalent rights as acquired derivative securities in Table II.

SEC source: 0001596532-22-000326 · edgardoc.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,021

Underlying: Common Stock · 510 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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 · derivative.exercise_date: The reporting person was granted RSUs on May 31, 2022. 1/4th of the shares vested on August 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

F2 · derivative.expiration_date: The reporting person was granted RSUs on May 31, 2022. 1/4th of the shares vested on August 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

SEC source: 0001596532-22-000326 · edgardoc.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,981

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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

SEC source: 0000926282-22-000061 · primary_doc.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,915.565

F1 · security: Represents quarterly cash dividends paid on restricted stock awards (RSA's), which are credited to a bookkeeping account and hypothetically invested in shares of common stock until the underlying RSAs vest. Upon vesting, the Company pays the Reporting Person the accumulated value of the bookkeeping account in the form of whole shares of common stock, plus any remaining cash.

SEC source: 0001596532-22-000260 · edgardoc.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,531

Underlying: Common Stock · 511 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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 · derivative.exercise_date: The reporting person was granted RSUs on May 31, 2022. 1/4th of the shares vested on August 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

F2 · derivative.expiration_date: The reporting person was granted RSUs on May 31, 2022. 1/4th of the shares vested on August 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

SEC source: 0001596532-22-000260 · edgardoc.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,471

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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

SEC source: 0001209191-22-045971 · doc4.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,054 shares

Expires 2022-08-12

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: Upon resignation from the Board of Directors of Harmonic Inc. (the "Board") effective August 12, 2022, the vesting for Mr. Theodosopoulos' annual restricted stock unit grant was prorated for his service on the Board since the grant date on February 17, 2022. The grant was initially made on February 17, 2022 and reported in a Form 4 filed on February 22, 2022.

SEC source: 0001209191-22-045971 · doc4.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 189,956

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: 0000926282-22-000047 · primary_doc.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,908

F1 · security: Represents restricted stock award grant that vests in full on August 9, 2023

SEC source: 0001596532-22-000176 · edgardoc.xml · derivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,042

Underlying: Common Stock · 2,042 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 · derivative.exercise_date: The reporting person was granted RSUs on May 31, 2022. 1/4th of the shares vested on August 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

F2 · derivative.expiration_date: The reporting person was granted RSUs on May 31, 2022. 1/4th of the shares vested on August 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

SEC source: 0001596532-22-000153 · edgardoc.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 692 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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 · derivative.exercise_date: The reporting person was granted RSUs on June 1, 2021. 1/4th of the shares vest on August 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

F2 · derivative.expiration_date: The reporting person was granted RSUs on June 1, 2021. 1/4th of the shares vest on August 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

SEC source: 0001596532-22-000153 · edgardoc.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,960

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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

SEC source: 0001596532-22-000067 · edgardoc.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 692

Underlying: Common Stock · 0 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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 · derivative.exercise_date: The reporting person was granted RSUs on June 1, 2021. 1/4th of the shares vest on August 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

F2 · derivative.expiration_date: The reporting person was granted RSUs on June 1, 2021. 1/4th of the shares vest on August 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

SEC source: 0001596532-22-000067 · edgardoc.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,268

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: 0001209191-22-011732 · doc4.xml · derivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,395

Underlying: Common Stock · 14,395 shares

Expires 2023-02-15

F1 · security: Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

F2 · derivative.exercise_date: The shares subject to the restricted stock units are scheduled to vest in full on February 15, 2023. Vested shares will be delivered to the reporting person on or immediately following February 15, 2023.

SEC source: 0001209191-22-011079 · doc4.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 19,157 shares

Expires 2022-02-15

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.

SEC source: 0001209191-22-011079 · doc4.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 182,902

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 · shares: These shares of common stock were acquired upon the vesting of restricted stock units on 2/15/2022. These restricted stock units were initially granted to the Reporting Person on 2/17/2021, and were identified on a Form 4 filed by the Reporting Person on 2/19/2021.

SEC source: 0001596532-21-000412 · edgardoc.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,388

Underlying: Common Stock · 692 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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F3 · derivative.exercise_date: The reporting person was granted RSUs on June 1, 2021. 1/4th of the shares vest on August 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

F3 · derivative.expiration_date: The reporting person was granted RSUs on June 1, 2021. 1/4th of the shares vest on August 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

SEC source: 0001596532-21-000412 · edgardoc.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,572

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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 · balance_after: On November 18, 2021, the issuer completed a four-for-one stock split of the issuer's common stock. All amounts have been adjusted to give effect to this stock split.

SEC source: 0001209191-21-063111 · doc4.xml · derivative · entry 3

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 30,000 shares

Expires 2022-03-13

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.

SEC source: 0001209191-21-063111 · doc4.xml · nonDerivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 163,745

SEC source: 0001209191-21-063111 · doc4.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 193,745

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 · shares: Shares acquired pursuant to exercise of stock option scheduled to expire on March 13, 2022.

SEC source: 0001596532-21-000299 · edgardoc.xml · derivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 520

Underlying: Common Stock · 174 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 represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 · derivative.exercise_date: The reporting person was granted 694 RSU's on June 1, 2021. 1/4th of the shares vest on August 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

F2 · derivative.expiration_date: The reporting person was granted 694 RSU's on June 1, 2021. 1/4th of the shares vest on August 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.