Datadog, Inc. Form 4 Filings

Ittycheria Dev reported acquisition or exercise transactions in this Form 4 filing.

Datadog, Inc. director Dev Ittycheria reported a grant of 1,072 Restricted Stock Units (RSUs) of Class A common stock under the company’s non-employee director compensation policy. These RSUs vest on the earlier of Datadog’s next annual stockholder meeting or June 15, 2027, subject to his continuous service.

Following the grant, Ittycheria holds 40,307 Class A shares directly and 72,899 shares indirectly through LIDI 11 21 LLC, whose sole member is the Ittycheria Family Trust, of which he is a beneficiary.

Datadog, Inc. director Dominic Phillips reported an acquisition of 1,072 shares of Class A common stock through a grant of Restricted Stock Units (RSUs) under the company’s non-employee director compensation policy. Following this award, he holds 6,263 Class A shares directly.

Each RSU represents a contingent right to receive one share of Class A stock. The RSUs vest on the earlier of Datadog’s next annual stockholder meeting or June 15, 2027, in each case conditioned on Mr. Phillips’ continuous service to the company through the vesting date.

Datadog, Inc. General Counsel and Secretary Kerry Acocella sold 5,371 shares of Class A Common Stock in open-market transactions. The sales occurred on June 15, 2026 under a pre-established Rule 10b5-1 trading plan dated December 11, 2025.

The shares were sold in multiple trades at reported prices including $238.21, $237.19 and $232.74 per share. After these transactions, Acocella continues to hold more than 120,000 Datadog Class A shares directly, indicating that only a small portion of her overall position was sold.

Datadog, Inc. Chief Financial Officer David M. Obstler reported a mix of equity movements involving 7,500 shares of Class A and Class B Common Stock. He converted 7,500 shares of Class B Common Stock into 7,500 shares of Class A Common Stock in a derivative conversion coded "C" at a stated price of $0.00 per share.

He also made a bona fide gift of 7,500 shares of Class A Common Stock, coded "G", leaving him with 434,591 shares of Class A Common Stock held directly after the gift. Following the derivative conversion, he held 8,103 shares of Class B Common Stock directly.

Separately, indirect holdings are reported through two Obstler Children 2019 Trusts for his children, each holding Class B Common Stock that is convertible into an equal number of Class A shares. His spouse serves as trustee of these trusts, and each Class B share is convertible into one Class A share with no expiration date.

Datadog, Inc. director Amit Agarwal reported several equity moves involving Class A and Class B shares. Trusts associated with him converted a total of 30,000 shares of Class B Common Stock into Class A Common Stock and then sold 20,000 Class A shares in multiple open-market transactions at prices around $230–$236 per share under a Rule 10b5-1 trading plan.

The trusts also made a bona fide gift of 10,000 Class A shares to a donor-advised fund for charitable purposes. Separately, Agarwal received a grant of 1,072 Restricted Stock Units under Datadog’s non‑employee director compensation policy, bringing his direct Class A holdings to 29,071 shares. After these transactions, family trusts hold 6,541 Class A shares and 593,464 Class B shares, and his spouse holds 42,976 Class B shares, each Class B share being convertible into one Class A share.

Datadog, Inc. director Michael James Callahan reported a planned sale and share conversion alongside a new equity grant. A family trust for which he is trustee converted 112,500 shares of Class B Common Stock into Class A and on the same day sold 112,500 Class A shares in multiple open-market transactions at weighted-average prices described in the filing, with individual price ranges from $227.73 to $236.65, under a pre-arranged Rule 10b5-1 trading plan dated March 13, 2026.

Following these sales, the trust continued to hold 120,781 Class A shares and 123,042 Class B shares, while Callahan directly held 20,684 Class A shares after receiving a grant of 1,072 Restricted Stock Units that vest at the earlier of Datadog’s next annual stockholder meeting or June 15, 2027, subject to his continued service.

Datadog, Inc.’s Chief Revenue Officer Sean Michael Walters reported selling 11,876 shares of Class A Common Stock in open-market transactions on June 11, 2026. The trades were executed under a Rule 10b5-1 trading plan dated December 12, 2025, indicating they were pre-scheduled.

The sales were split across multiple transactions at reported weighted-average prices near $230 per share, including 1,479 shares at $233.9133 per share. Following these sales, Walters holds 258,420 Datadog shares directly, plus 8 shares indirectly held by his son.

Datadog, Inc. Chief People Officer David Galloreese reported an open-market sale of Class A Common Stock. On June 9, 2026, he sold 4,013 shares at a weighted-average price of $228.9036 per share. The transaction was executed under a 10b5-1 trading plan dated March 6, 2026, indicating it was pre-arranged. Following this sale, Galloreese directly holds 122,191 shares of Datadog Class A Common Stock.

Datadog, Inc. Chief Executive Officer Olivier Pomel reported a mix of stock sales and derivative exercises involving the company’s Class A and Class B shares. On June 8, 2026, he executed open-market sales totaling 127,141 shares of Class A Common Stock at weighted-average prices generally between about $229 and $240 per share. These sales were made pursuant to a pre-arranged Rule 10b5-1 trading plan dated December 15, 2025, indicating they were scheduled in advance.

On the same date, Pomel also converted and exercised derivative securities to acquire 247,283 shares linked to Datadog equity, including conversions of Class B Common Stock into Class A Common Stock and exercises of stock options with exercise prices such as $10.74 and $0.9092 per share. Following these transactions, the filing shows continued direct ownership of substantial positions in both Class A and Class B shares.

Datadog, Inc. Chief Executive Officer Olivier Pomel reported an amended insider transaction reflecting a share class conversion and correction of prior disclosures. On May 11, 2026, he converted 42,443 shares of Class B Common Stock into 42,443 shares of Class A Common Stock in a non-cash derivative conversion.

Following the transaction, Pomel directly held 878,122 shares of Class A Common Stock and 9,057,395 shares of Class B Common Stock as of the transaction date. A footnote explains this amendment corrects a previously reported conversion of 84,698 Class B shares that did not occur and updates beneficial ownership figures reported on prior Forms 4 filed on and after May 13, 2026.

Datadog, Inc. director and Chief Technology Officer Alexis Le-Quoc reported trust-related share movements involving Class A and Class B Common Stock. A trust associated with Le-Quoc converted 57,000 shares of Class B Common Stock into Class A Common Stock and then made a bona fide gift of 57,000 Class A shares to a donor-advised fund for charitable purposes, both at a stated price of $0.00 per share.

Following these transactions, Le-Quoc held 509,805 Class A and 2,438,412 Class B shares directly. The trust held 169 Class A and 6,146,835 Class B shares indirectly, with each Class B share convertible into one Class A share according to the issuer’s charter.

Datadog, Inc. Chief Financial Officer David M. Obstler sold 75,000 shares of Class A Common Stock in open-market transactions. The trades occurred on June 8, 2026 across nine separate sales, with reported per-share prices generally in the low-to-mid $230s.

The transactions were executed pursuant to a Rule 10b5-1 trading plan dated March 9, 2026, indicating they were pre-scheduled. Footnotes state that prices are reported on a weighted-average basis, with actual sale prices ranging from $228.75 to $239.55 per share, and detailed breakdowns available on request.

Datadog director Titilope Cole reported selling a total of 5,131 shares of Class A Common Stock in open-market transactions on June 4. The trades were executed at weighted-average prices around $248.28 and $246.30–$246.34 per share. After these sales, Cole directly holds 1,216 Datadog shares.

Datadog, Inc. director Dev Ittycheria reported a mix of option activity and share sales. On June 3, 2026, entities associated with him exercised and converted an aggregate 360,000 derivative shares, moving from Class B and stock options into Class A Common Stock, including options with a $3.0667 exercise price. The filing also shows open-market sales totaling 138,000 shares of Class A Common Stock, executed at weighted average prices around $248–$249 per share. Part of the sales were made through LIDI 11 21 LLC, which is owned by the Ittycheria Family Trust, with Ittycheria as a beneficiary. After these transactions, no remaining derivative positions are listed in this filing.

Datadog, Inc. Chief Executive Officer Olivier Pomel reported an open-market sale of 26,012 shares of Class A common stock on June 2, 2026 at a weighted-average price of $267.1544 per share. According to the disclosure, he was required by Datadog to sell only the number of shares needed to cover tax withholding obligations arising from the vesting of restricted stock units and performance-based restricted stock units, plus related brokerage fees. Following this transaction, Pomel directly holds 724,969 shares of Datadog Class A common stock.

Datadog, Inc. Chief Revenue Officer Sean Michael Walters reported an open-market sale of 13,409 shares of Class A Common Stock. The shares were sold at a weighted-average price of $267.1544 per share, with individual sale prices ranging from $267.15 to $268.44.

According to the disclosure, Walters was required by Datadog to sell only the number of shares needed to cover tax withholding obligations arising from the vesting of restricted stock units and performance-based restricted stock units, plus related brokerage fees. After the sale, he directly held 270,296 shares of Class A Common Stock and indirectly held 8 shares through his son.

Datadog, Inc. Chief People Officer David Galloreese sold 4,711 shares of Class A common stock on June 2, 2026 at a weighted-average price of $267.1544 per share. According to the filing, the issuer required this sale solely to cover tax withholding obligations arising from the vesting of restricted stock units and performance-based restricted stock units, including related brokerage commission fees. After the transaction, Galloreese directly holds 126,204 shares, indicating he retained the large majority of his position.

Datadog, Inc.’s Chief Financial Officer David M. Obstler reported an open-market sale of 16,323 shares of Class A common stock. The company required this sale solely to cover tax withholding obligations and related brokerage fees triggered by vesting of restricted and performance-based stock units. The shares were sold at a weighted-average price of about $267.15 per share, within a range from $267.15 to $268.44, and Obstler continues to hold 509,591 shares directly after the transaction.

Datadog, Inc. Chief Product Officer Li Yanbing executed an open-market sale of 11,070 shares of Class A Common Stock on June 2, 2026 at a weighted-average price of $267.1544 per share. According to the disclosure, the issuer required this sale solely to cover tax withholding obligations and related brokerage fees arising from the vesting of restricted stock units and performance-based restricted stock units, making it a tax-driven, not discretionary, transaction. Following the sale, Li beneficially owns 274,352 shares, which include 139 shares acquired under the company’s Employee Stock Purchase Plan on May 15, 2026.

Datadog, Inc.’s General Counsel and Secretary, Kerry Acocella, sold 7,252 shares of Class A common stock in an open-market transaction. The shares were sold on June 2, 2026 at a weighted-average price of about $267.15 per share.

According to the disclosure, the issuer required this sale solely to cover tax withholding obligations arising from the vesting of restricted stock units and performance-based restricted stock units, as well as related brokerage fees. After the sale, Acocella continues to hold 133,237 shares of Datadog Class A common stock directly.

Datadog, Inc. Chief Operating Officer Adam Blitzer reported open‑market sales of 25,844 shares of Class A Common Stock. The transactions occurred on June 2–3, 2026, at per‑share prices generally in the mid‑$200s, including a weighted‑average price of $267.1544 for a 13,642‑share block on June 2.

According to the footnotes, the company required Blitzer to sell only the number of shares needed to cover tax withholding obligations from vesting of restricted stock units and performance‑based restricted stock units, plus related commissions. The sales were executed under a pre‑arranged Rule 10b5‑1 trading plan dated August 22, 2025.

Datadog, Inc. Chief Technology Officer Alexis Le-Quoc reported open-market sales and equity conversions in company stock. He sold a total of 75,418 shares of Class A Common Stock at prices generally between about $251 and $279, under a Rule 10b5-1 trading plan dated June 13, 2025. Footnotes state the issuer required him to sell only the number of shares needed to cover tax withholding on vesting restricted stock units and performance-based restricted stock units.

Alongside the sales, Le-Quoc converted and exercised derivative securities into 91,412 shares of Class A stock, including 18,750 shares from a fully vested stock option with a $10.74 exercise price. After these transactions, he continues to hold 509,805 Class A shares directly and additional Class A and Class B shares indirectly through a revocable trust.

Datadog, Inc. director Matthew Jacobson reported open-market sales of 38,594 shares of Class A Common Stock. The transactions occurred on May 29 and June 1, with 20,574 shares sold at a weighted average price of $243.0184 and additional blocks of 17,318 and 702 shares at weighted average prices of $277.4448 and $277.8246.

The prices reflect weighted averages across multiple trades, with May 29 sales ranging from $242.46 to $243.43 and June 1 sales ranging from $276.80 to $277.89. After these sales, trusts associated with Jacobson directly hold 584,132 shares, and he disclaims beneficial ownership beyond any pecuniary interest.

Datadog, Inc. Chief Executive Officer Olivier Pomel reported multiple open-market sales of Class A Common Stock. On May 26, 2026, he sold a total of 84,698 shares across eight transactions under a pre-arranged Rule 10b5-1 trading plan dated December 15, 2025.

The reported weighted-average sale prices ranged from about $218.48 to $225.83 per share, with detailed price breakdowns available on request from the company, the SEC, or shareholders. All transactions involved shares held directly by Pomel.

Datadog, Inc. Chief Technology Officer Alexis Le-Quoc reported a pre-planned option-related sale and conversion of shares. He converted 43,224 shares of Class B Common Stock into the same number of Class A Common Stock and sold 43,224 Class A shares in multiple open-market transactions on Class A Common Stock, at weighted-average prices ranging from about $203.92 to $210.81 per share, pursuant to a Rule 10b5-1 trading plan dated June 13, 2025.

After these transactions, he holds 531,311 Class A shares directly and 2,473,574 Class B shares directly. He also has indirect holdings through the Alexis Le-Quoc Revocable Trust, including 169 Class A shares and 6,203,835 Class B shares that are convertible into Class A shares with no stated expiration.

Datadog, Inc. director Michael James Callahan reported a bona fide gift of 2,500 shares of Class A Common Stock. The shares were donated to a donor-advised fund, which will use them for charitable purposes, and were held through The Callahan-Thernstrom Family Trust, where he is trustee.

After the gift, the trust holds 14,996 Class A shares indirectly. A separate holding entry in the filing shows 19,612 Class A shares held directly following the reported transactions. The gift is a non-market, no‑consideration transfer rather than an open-market sale.

Datadog, Inc. director Amit Agarwal reported an indirect disposition of shares through a bona fide gift. A trust holding by his spouse transferred 10,087 shares of Class B Common Stock as a gift, leaving 42,976 shares of this spouse-held position after the transaction.

The filing also shows large indirect holdings in the Agarwal 2018 and 2019 Family Trusts, with Class B shares convertible into an equal number of Class A shares at any time with no expiration. These Class B shares automatically convert to Class A upon certain transfers, the reporting person’s death, or a specified IPO anniversary.

Datadog, Inc. director Michael James Callahan reported an internal share conversion involving a family trust. The Callahan-Thernstrom Family Trust converted 5,000 shares of Class B Common Stock into 5,000 shares of Class A Common Stock, with no sale and a stated price of $0.0000 per share.

After the conversion, the trust held 17,496 shares of Class A Common Stock and 235,542 shares of Class B Common Stock indirectly. Separately, Callahan reported a direct holding entry of 19,612 Class A Common shares. Each Class B share is convertible into one Class A share and will also automatically convert upon certain transfers, the reporting person’s death in specified cases, or the tenth anniversary of Datadog’s initial public offering.

Datadog, Inc. director Amit Agarwal reported a mix of stock sales and conversions involving the company’s dual‑class shares. On May 11, 2026, family trusts associated with him sold a total of 20,000 shares of Datadog Class A Common Stock in multiple open‑market transactions at weighted‑average prices generally around $195–$203 per share, pursuant to a Rule 10b5‑1 trading plan dated December 8, 2025.

The filing also shows a conversion of 20,000 shares of Class B Common Stock into Class A Common Stock, recorded as a derivative conversion. After these transactions, Agarwal’s reported holdings include 27,999 shares of Class A Common Stock held directly and various indirect positions held through family trusts and his spouse. Each share of Class B Common Stock is convertible at any time into one Class A share and will automatically convert upon specified transfer events, the reporting person’s death in certain cases, or the tenth anniversary of Datadog’s initial public offering.

Datadog, Inc. Chief Executive Officer Olivier Pomel reported mixed equity transactions in the company’s stock. He sold a total of 127,141 shares of Class A Common Stock in open-market trades on May 11, 2026 at weighted-average prices ranging from about $195 to $203 per share pursuant to a Rule 10b5-1 trading plan dated December 15, 2025. He also acquired shares through conversions and option exercises, including 127,141 shares of Class B Common Stock converted into Class A Common Stock and 274,807 shares acquired via exercises of stock options and derivative securities. Following these transactions, he held 962,820 shares of Class A Common Stock and 9,064,123 shares of Class B Common Stock directly.

Datadog, Inc. Chief Product Officer Yanbing Li reported an open-market sale of 19,834 shares of Class A common stock at a weighted-average price of $197.3521 per share on May 8, 2026. After this transaction, Li directly holds 285,283 Datadog shares.

Datadog, Inc. director Matthew Jacobson, through estate-planning trusts, reported open-market sales of 52,832 shares of Class A common stock on May 8, 2026. The shares were sold in multiple tranches at weighted average prices of about $187–$190 per share.

The filing notes that the prices reflect weighted averages over numerous individual trades within specified ranges, and that full trade-by-trade details are available to regulators on request. The footnotes state these shares are held through trusts and that Jacobson disclaims beneficial ownership beyond any pecuniary interest.

Datadog, Inc. director Julie Richardson reported selling Class A Common Stock in two open-market transactions. She sold 2433 shares at $188.50 per share on May 7, 2026, and 1930 shares at $185.82 per share on May 8, 2026, totaling 4363 shares.

After these trades, she directly holds 4036 shares and then 2106 shares, as reported following each respective transaction. The sales were executed under a Rule 10b5-1 trading plan dated November 7, 2025, indicating they were pre-arranged. The filing also corrects an earlier error where 2301 shares had been reported as gifted in December 2021, a transfer that did not occur, and it updates prior reported beneficial ownership accordingly.

Datadog, Inc. Chief Revenue Officer Sean Michael Walters sold 7,657 shares of Class A Common Stock at $188.50 per share in an open‑market transaction. The sale was executed on May 7, 2026 and was made pursuant to a Rule 10b5-1 trading plan dated December 12, 2025, indicating it was pre‑scheduled.

After the transaction, Walters directly holds 283,610 Class A shares. The filing also notes an additional 8 Class A shares held indirectly through his son, reported as indirect ownership.

Datadog, Inc. director Julie Richardson sold shares in a planned trade. On May 5, 2026, she executed an open-market sale of 502 shares of Datadog Class A Common Stock at $150.00 per share. The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan dated November 7, 2025, indicating it was scheduled in advance. Following this sale, Richardson directly holds 4,168 Datadog shares.

Datadog, Inc. Chief Revenue Officer Sean Michael Walters sold shares in the company. On May 5, 2026, he completed an open-market sale of 1,914 shares of Datadog Class A Common Stock at $150 per share, according to a Form 4 filing.

The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan dated December 12, 2025, indicating it was scheduled in advance. After this sale, Walters directly holds 291,267 shares of Datadog Class A Common Stock, and an additional 8 shares are reported as indirect ownership held by his son.

Datadog, Inc. General Counsel and Secretary Kerry Acocella sold 13,857 shares of Class A common stock in an open-market transaction at $150.0000 per share on May 5, 2026. The sale was executed under a pre-arranged Rule 10b5-1 trading plan dated December 11, 2025. Following this transaction, she directly holds 140,489 shares of Datadog common stock.

Datadog, Inc. director Amit Agarwal reported a mix of share conversions and sales. On May 4, 2026, family trusts associated with him converted 20,000 shares of Class B Common Stock into 20,000 shares of Class A Common Stock and sold 20,000 Class A shares in multiple open-market transactions under a Rule 10b5-1 trading plan dated December 8, 2025.

After these transactions, Agarwal holds 27,999 Class A shares directly, plus indirect Class A and Class B interests through the Agarwal family trusts and his spouse. The remaining Class B holdings shown in the filing are each convertible into an equal number of Class A shares.

Datadog, Inc. Chief Technology Officer Alexis Le-Quoc reported a mix of stock sales and equity conversions. On May 4–5, 2026, he sold a total of 53,912 shares of Class A Common Stock in open-market transactions at prices around $140–$150 per share, pursuant to a Rule 10b5-1 trading plan dated June 13, 2025.

Over the same period, he acquired 91,412 shares through conversions and exercises of derivative securities, including exercising 18,750 stock options at a $10.74 exercise price and converting Class B into Class A shares. Following these transactions, he directly holds 531,311 Class A shares and, through the Alexis Le-Quoc Revocable Trust, indirectly holds 6,203,835 Class B shares that are convertible into Class A on a one-for-one basis.

Datadog, Inc. director Amit Agarwal, through family trusts, reported an open-market sale of 20,000 shares of Class A Common Stock on April 27, 2026, at weighted-average prices generally between about $128 and $134 per share. The filing shows these sales were executed under a pre-arranged Rule 10b5-1 trading plan dated December 8, 2025.

On the same date, 20,000 shares of Class B Common Stock held indirectly were converted into Class A Common Stock and then sold. Following the transactions, Agarwal continues to hold Class A shares both directly and indirectly, as well as substantial indirect holdings of convertible Class B Common Stock through family trusts and by his spouse.

Datadog, Inc. Chief Technology Officer Alexis Le-Quoc reported multiple insider transactions in the company’s common stock. On April 22, 2026, he sold a total of 43,224 shares of Class A Common Stock in open-market transactions at weighted-average prices ranging from about $130.27 to $133.16 per share. A footnote states these sales were made under a Rule 10b5-1 trading plan dated June 13, 2025, indicating they were pre-arranged. On the same date, he converted 43,224 shares of Class B Common Stock into an equal number of Class A shares at a stated conversion price of $0.00 per share. The filing also shows indirect holdings by the Alexis Le-Quoc Revocable Trust, including Class A and 6,203,835 shares of Class B Common Stock, each of which is convertible at any time into one Class A share.

Datadog, Inc. director Amit Agarwal reported mixed insider activity involving Class A and Class B shares. A family trust converted 20,000 shares of Class B Common Stock into 20,000 shares of Class A Common Stock, then sold 20,000 Class A shares in multiple open-market transactions.

The sales were executed on Class A Common Stock in blocks of 3,200, 8,081, 7,419 and 1,300 shares at weighted-average prices between about $123.78 and $127.31 per share, all carried out indirectly through a family trust. A footnote states the transactions were made under a pre-arranged Rule 10b5-1 trading plan dated December 8, 2025, indicating they were scheduled in advance. Agarwal continues to hold significant indirect positions in Class B Common Stock through family trusts and his spouse, which are convertible into Class A shares on a one-for-one basis with no expiration, as described in the filing.

Datadog, Inc. director Amit Agarwal reported a combination of share conversion and sale involving trust-held stock. A family trust converted 20,000 shares of Class B Common Stock into 20,000 shares of Class A Common Stock, then sold 20,000 Class A shares at $120.00 per share in an open-market transaction pursuant to a Rule 10b5-1 trading plan dated December 8, 2025. Following these transactions, the trust retains 1,640 Class A shares, while additional indirect holdings include 603,464 and 53,063 Class B shares (each convertible into Class A) through family trusts and the spouse, plus 27,999 Class A shares held directly.

Datadog, Inc. director-linked trust reports pre-planned share sale. The 2019 Shah Family Trust, associated with director Shardul Shah, sold 7,916 shares of Datadog Class A Common Stock at $120.00 per share in an open-market transaction on April 15, 2026, pursuant to a Rule 10b5-1 trading plan dated June 13, 2025.

After this sale, the trust reports holding 316,953 shares indirectly, while Shah also reports 2,106 shares held directly. Shah disclaims Section 16 beneficial ownership of the trust-held shares except to the extent of any pecuniary interest.

Datadog, Inc. Chief Executive Officer Olivier Pomel reported a combination of option exercises, share conversions and open-market sales. He exercised stock options for a total of 190,109 shares of Class B Common Stock at exercise prices of $0.9092 and $10.74 per share.

Pomel then converted 42,443 shares of Class B Common Stock into Class A Common Stock and sold those 42,443 Class A shares in multiple open-market transactions at prices ranging from $108.54 to $118.83 per share pursuant to a Rule 10b5-1 trading plan dated December 15, 2025.

Following these transactions, he holds 837,479 shares of Class A Common Stock and 9,026,005 shares of Class B Common Stock directly, indicating he retains a sizable equity position in Datadog.

Datadog, Inc. director Amit Agarwal reported an exercise-and-sell transaction through a family trust. On April 8, 2026, the Agarwal 2018 Family Trust converted 20,000 shares of Class B Common Stock into 20,000 shares of Class A Common Stock and then sold those 20,000 Class A shares at $122.28 per share in an open-market trade.

The sale was executed under a Rule 10b5-1 trading plan dated December 8, 2025, indicating it was pre‑scheduled. After these transactions, the trust retains 1,640 Class A shares and continues to hold sizable indirect positions in Class B shares that are convertible into 603,464 and 53,063 underlying Class A shares, while Agarwal also holds 27,999 Class A shares directly.

Datadog, Inc. Chief Technology Officer Alexis Le-Quoc reported a mix of option exercises, share conversions, and open-market sales. On April 6, 2026, he exercised options to acquire 18,750 shares of Class B Common Stock at an exercise price of $10.74 per share, which became Class A shares.

He also converted 10,688 and 21,612 shares of Class B Common Stock into the same number of Class A shares. On the same date, he sold a total of 32,300 Class A shares in open-market transactions at weighted-average prices between $115.13 and $117.90, pursuant to a 10b5-1 trading plan dated June 13, 2025.

After these transactions, Le-Quoc directly held 531,311 shares of Class A Common Stock. Indirectly, through the Alexis Le-Quoc Revocable Trust, he held 6,203,835 shares of Class B Common Stock, each convertible into one share of Class A Common Stock, plus 169 Class A shares.

Li Yanbing reported acquisition or exercise transactions in this Form 4 filing.

Datadog, Inc. reported that Chief Product Officer Li Yanbing received a grant of 51,116 shares of Class A Common Stock in the form of restricted stock units (RSUs). Each RSU represents the right to receive one share of Class A Common Stock if vesting conditions are met.

The RSUs vest as to 12/48 of the shares on March 1, 2027, with the remaining shares vesting in 12 equal quarterly installments on each June 1, September 1, December 1 and March 1 thereafter, so long as Li remains in continuous service under Datadog’s 2019 Equity Incentive Plan. Following this grant, Li holds 305,117 shares of Class A Common Stock directly.

Blitzer Adam reported acquisition or exercise transactions in this Form 4 filing.

Datadog, Inc. Chief Operating Officer Adam Blitzer received a grant of 59,295 shares of Class A Common Stock in the form of restricted stock units. These RSUs carry no purchase price and increase his direct holdings to 289,615 shares after the grant.

The award vests over time. According to the terms, 12/48 of the RSUs vest on March 1, 2027, and the remaining shares vest in 12 equal quarterly installments on each June 1, September 1, December 1 and March 1 thereafter, as long as he remains in continuous service under Datadog’s 2019 Equity Incentive Plan.