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Walters Sean Michael

Disclosed activity across 1 company

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10139
SEC CIK
0001903980

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Datadog, Inc.DDOG · Entity 2027Chief Revenue OfficerSeptember 11, 2026September 15, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Datadog, Inc.

Report date September 11, 2026 · Filed September 15, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect233,135 Ending reported balance After 2026-09-11 transaction · row 5
5 source rows · reconciled sequence

Row 1 · 2026-09-11 · Sale · Disposed 800 · Balance 244,045

F1: Shares sold pursuant to a 10b5-1 plan dated December 12, 2025.

F2: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $219.13 to $220.08. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Row 2 · 2026-09-11 · Sale · Disposed 5,824 · Balance 238,221

F1: Shares sold pursuant to a 10b5-1 plan dated December 12, 2025.

F3: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $220.18 to $221.17. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Row 3 · 2026-09-11 · Sale · Disposed 4,286 · Balance 233,935

F1: Shares sold pursuant to a 10b5-1 plan dated December 12, 2025.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $221.19 to $221.89. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Row 4 · 2026-09-11 · Sale · Disposed 500 · Balance 233,435

F1: Shares sold pursuant to a 10b5-1 plan dated December 12, 2025.

F5: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $222.20 to $222.45. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Row 5 · 2026-09-11 · Sale · Disposed 300 · Balance 233,135

F1: Shares sold pursuant to a 10b5-1 plan dated December 12, 2025.

F6: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $224.13 to $224.86. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Class A Common StockSEC Table I · non-derivativeIndirectBy Son8 Reported balance Holding disclosure · report date 2026-09-11 · row 6 Holding and transaction disclosures are not merged.
1 source row

Row 6 · Balance 8

Filing footnotes · ownership attribution and instrument terms

F1: Shares sold pursuant to a 10b5-1 plan dated December 12, 2025.

F2: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $219.13 to $220.08. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F3: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $220.18 to $221.17. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $221.19 to $221.89. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F5: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $222.20 to $222.45. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F6: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $224.13 to $224.86. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
December 12, 2022 Filed Dec 14, 2022 21:55 UTC Datadog, Inc. DDOG · Entity 2027 SaleClass A Common Stock 500 $78.21 $39,105.00
Disclosure

SEC source: 0001209191-22-061244 · doc4.xml · nonDerivative · entry 4

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,389

F1 · kind: Shares sold pursuant to a 10b5-1 trading plan.

F5 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $78.10 to $78.34. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
December 12, 2022 Filed Dec 14, 2022 21:55 UTC Datadog, Inc. DDOG · Entity 2027 SaleClass A Common Stock 3,800 $77.72 $295,318.14
Disclosure

SEC source: 0001209191-22-061244 · doc4.xml · nonDerivative · entry 3

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,889

F1 · kind: Shares sold pursuant to a 10b5-1 trading plan.

F4 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $77.10 to $78.09. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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December 12, 2022 Filed Dec 14, 2022 21:55 UTC Datadog, Inc. DDOG · Entity 2027 SaleClass A Common Stock 2,263 $76.76 $173,705.84
Disclosure

SEC source: 0001209191-22-061244 · doc4.xml · nonDerivative · entry 2

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,689

F1 · kind: Shares sold pursuant to a 10b5-1 trading plan.

F3 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $76.06 to $76.99. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
December 12, 2022 Filed Dec 14, 2022 21:55 UTC Datadog, Inc. DDOG · Entity 2027 SaleClass A Common Stock 300 $74.97 $22,491.00
Disclosure

SEC source: 0001209191-22-061244 · doc4.xml · nonDerivative · entry 1

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,952

F1 · kind: Shares sold pursuant to a 10b5-1 trading plan.

F2 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $74.86 to $75.03. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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December 02, 2022 Filed Dec 6, 2022 22:18 UTC Datadog, Inc. DDOG · Entity 2027 SaleClass A Common Stock 2,873 $74.63 $214,422.33
Disclosure

SEC source: 0001209191-22-060066 · doc4.xml · nonDerivative · entry 1

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 149,252

F1 · kind: The Reporting Person was required by the Issuer to sell only the number of shares of common stock necessary to cover applicable tax withholding obligations realized upon the vesting of restricted stock units, as well as any related brokerage commission fees.

F2 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $75.51 to $74.635231. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F3 · balance_after: Includes 147 shares acquired on November 15, 2022 under the Issuer's Employee Stock Purchase Plan.

Read SEC document
September 02, 2022 Filed Sep 7, 2022 20:56 UTC Datadog, Inc. DDOG · Entity 2027 SaleClass A Common Stock 2,661 $98.18 $261,256.98
Disclosure

SEC source: 0001209191-22-049034 · doc4.xml · nonDerivative · entry 1

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,978

F1 · kind: The Reporting Person was required by the Issuer to sell only the number of shares of common stock necessary to cover applicable tax withholding obligations realized upon the vesting of restricted stock units, as well as any related brokerage commission fees.

Read SEC document
June 02, 2022 Filed Jun 6, 2022 22:06 UTC Datadog, Inc. DDOG · Entity 2027 SaleClass A Common Stock 1,471 $102.22 $150,365.62
Disclosure

SEC source: 0001209191-22-034647 · doc4.xml · nonDerivative · entry 1

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,639

F1 · kind: The Reporting Person was required by the Issuer to sell only the number of shares of common stock necessary to cover applicable tax withholding obligations realized upon the vesting of restricted stock units, as well as any related brokerage commission fees.

F2 · balance_after: Includes 112 shares acquired on May 13, 2022 under the Issuer's Employee Stock Purchase Plan.

Read SEC document
March 09, 2022 Filed Mar 11, 2022 21:40 UTC Datadog, Inc. DDOG · Entity 2027 ConversionClass B Common Stock · Derivative 14,250 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-018177 · doc4.xml · derivative · entry 5

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 14,250 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 share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · kind: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

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March 09, 2022 Filed Mar 11, 2022 21:40 UTC Datadog, Inc. DDOG · Entity 2027 Exercise / conversionClass B Common Stock · Derivative 14,250 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-018177 · doc4.xml · derivative · entry 4

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,250

Underlying: Class A Common Stock · 14,250 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 share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

Read SEC document
March 09, 2022 Filed Mar 11, 2022 21:40 UTC Datadog, Inc. DDOG · Entity 2027 Exercise / conversionStock Option (Right to Buy) · Derivative 14,250 $0.00 Strike: $1.04 $0.00
Disclosure

SEC source: 0001209191-22-018177 · doc4.xml · derivative · entry 3

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 14,250 shares

Expires 2028-03-28

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: Fully vested and exercisable.

Read SEC document
March 09, 2022 Filed Mar 11, 2022 21:40 UTC Datadog, Inc. DDOG · Entity 2027 ConversionClass A Common Stock 14,250 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-018177 · doc4.xml · nonDerivative · entry 1

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,998

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: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

Read SEC document
March 02, 2022 Filed Mar 4, 2022 22:05 UTC Datadog, Inc. DDOG · Entity 2027 SaleClass A Common Stock 699 $157.83 $110,325.69
Disclosure

SEC source: 0001209191-22-016375 · doc4.xml · nonDerivative · entry 1

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,748

F1 · kind: The Reporting Person was required by the Issuer to sell only the number of shares of common stock necessary to cover applicable tax withholding obligations realized upon the vesting of restricted stock units, as well as any related brokerage commission fees.

Read SEC document
February 24, 2022 Filed Feb 28, 2022 22:09 UTC Datadog, Inc. DDOG · Entity 2027 GrantClass A Common Stock 85,948 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-013676 · doc4.xml · nonDerivative · entry 1

Walters Sean Michael · CIK 0001903980 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,447

F1 · shares: Represents the number of shares of Class A Common Stock underlying restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A Common Stock. The shares underlying the RSUs vest as to 13/48 of the shares on March 1, 2023, and 3/48 of the shares underlying the RSU vesting in 11 quarterly installments thereafter followed by 2/48 of the shares underlying the RSU vesting in the 12th and last quarterly installment, in each case, on each March 1, June 1, September 1 and December 1, so long as the Reporting Person remains in Continuous Service (as defined in the Issuer's 2019 Equity Incentive Plan) of the Issuer as of each such date.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.