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Amplitude, Inc.

AMPL
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001866692

In the last 90 days, Amplitude, Inc. insiders filed 0 open-market purchases and 2 sales; 202 institutions reported holding it in 13F filings for Q2 2026, worth $715.3M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Amplitude, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
2 filings
2 insiders, $6.17M in total
Insiders trading
2
Net value
−$6.17M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Amplitude, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Amplitude, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Skates SpenserCEO and President0IndirectSep 14, 20267
Crook Nathaniel GlennChief Commercial Officer1,622,696Sep 9, 20264
Liu CurtisChief Technology Officer950,316Aug 18, 202610
Casey AndrewChief Financial Officer1,363,338Aug 18, 20266
Tzuo TienDirector101,601Jul 7, 20264
Schultz EricaDirector143,100Jul 7, 20266
Wong CatherineDirector111,462Jun 15, 20262
Whitehurst James MDirector187,201Jun 11, 20261
Gill Ronald SDirector99,535Jun 11, 20261
Grady Patrick WDirector, 10% Owner85,806Jun 11, 20261
Hansen Thomas NeergaardPresident1,845,845Feb 17, 20262
Vishria EricDirector64,712Jun 16, 20250
Steele ElisaDirector21,690Jun 13, 20240
Harms ChristopherChief Financial Officer833,853May 17, 20240
Fleischer Russell L10% Owner327,766IndirectJan 9, 20240
Tobin Scott R10% Owner327,766IndirectJan 9, 20240
Brown Michael Maurice10% Owner327,766IndirectJan 9, 20240
Lee Roger H10% Owner327,766IndirectJan 9, 20240
Agrawal Neeraj10% Owner327,766IndirectJan 9, 20240
Feldman Jesse10% Owner327,766IndirectJan 9, 20240
Stoner Chelsea R.10% Owner327,766IndirectJan 9, 20240
Elhafed Morad10% Owner327,766IndirectJan 9, 20240
Thakker Dharmesh10% Owner327,766IndirectJan 9, 20240
Battery Ventures Select Fund I, L.P.10% Owner327,766IndirectJan 9, 20240
Battery Partners Select Fund I GP, LLC10% Owner327,766IndirectJan 9, 20240
Battery Partners Select Fund I, L.P.10% Owner327,766IndirectJan 9, 20240
SC US (TTGP), Ltd.10% Owner0IndirectJun 8, 20230
Sequoia Grove II, LLC10% Owner0IndirectJun 8, 20230
Sequoia Capital U.S. Venture 2010-Seed Fund, L.P.10% Owner0IndirectJun 8, 20230
SC U.S. Venture 2010 Management, L.P.10% Owner0IndirectJun 8, 20230
SC U.S. Growth VIII Management, L.P.10% Owner0IndirectJun 8, 20230
Sequoia Capital U.S. Growth Fund VIII, L.P.10% Owner0IndirectJun 8, 20230
Sequoia Capital U.S. Growth Fund IX, L.P.10% Owner0IndirectJun 8, 20230
Sequoia Capital U.S. Growth IX Principals Fund, L.P.10% Owner0IndirectJun 8, 20230
Sequoia Capital U.S. Growth Partners Fund IX, L.P.10% Owner0IndirectJun 8, 20230
SC U.S. Growth IX Management, L.P.10% Owner0IndirectJun 8, 20230
Sequoia Grove Manager, LLC10% Owner0IndirectJun 8, 20230
Battery Ventures XI-B Side Fund, L.P.10% Owner0IndirectMar 23, 20230
Battery Ventures XI-A Side Fund, L.P.10% Owner0IndirectMar 23, 20230
Battery Ventures XI-B, L.P.10% Owner0IndirectMar 23, 20230
Battery Investment Partners XI, LLC10% Owner0IndirectMar 23, 20230
Battery Ventures XI-A, L.P.10% Owner0IndirectMar 23, 20230
Battery Partners XI Side Fund, LLC10% Owner0IndirectMar 23, 20230
Battery Partners XI, LLC10% Owner0IndirectMar 23, 20230
Sarkis NinosChief Accounting Officer83,891Feb 21, 20230
Vuong HoangChief Financial Officer813,896Jan 3, 20230
Lasky Mitchell10% Owner10,285IndirectDec 2, 20220
Gurley J William10% Owner10,285IndirectDec 2, 20220
Fenton Peter H10% Owner10,285IndirectDec 2, 20220
Cohler Matt10% Owner10,285IndirectDec 2, 20220

Showing the 50 most recent filers.

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 14, 2026 (view filing)4:59 PM ETSep 104 daysSkates SpenserCEO and PresidentSSaleClass A Common Stock−185.0K$12.30−$2.28M−100.0%0 after10b5-1
Sep 9, 2026 (view filing)5:03 PM ETSep 45 daysCrook Nathaniel GlennChief Commercial OfficerSSaleClass A Common Stock−300.0K$12.99−$3.90M−15.6%1.62M after10b5-1
Jun 16, 2026 (view filing)Jun 115 daysLiu CurtisChief Technology OfficerSSaleClass A Common Stock−22.8K$8.03−$183.0K−2.2%1.00M afterAmended10b5-1
Jun 15, 2026 (view filing)Jun 123 daysWong CatherineDirectorSSaleClass A Common Stock−7.45K$6.79−$50.6K−6.3%111.5K after10b5-1
May 6, 2026 (view filing)May 42 daysLiu CurtisChief Technology OfficerSSaleClass A Common Stock−17.6K$8.12−$142.8K−1.6%1.07M after10b5-1
Mar 10, 2026 (view filing)Mar 64 daysLiu CurtisChief Technology OfficerSSaleClass A Common Stock−33.2K$8.01−$265.9K−5.2%603.8K after10b5-1
Mar 9, 2026 (view filing)Mar 54 daysLiu CurtisChief Technology OfficerSSaleClass A Common Stock−30.1K$8.00−$240.5K−4.5%637.0K after10b5-1
Dec 30, 2025 (view filing)Dec 264 daysSkates SpenserChief Executive OfficerSSaleClass A Common Stock−100$12.00−$1.20K−100.0%0 after10b5-1
Dec 29, 2025 (view filing)Dec 245 daysSkates SpenserChief Executive OfficerSSaleClass A Common Stock−42.7K$12.01−$513.3K−100.0%0 after10b5-1
Dec 17, 2025 (view filing)Dec 152 daysSchultz EricaDirectorSSaleClass A Common Stock−10.0K$10.88−$108.8K−8.0%114.9K after10b5-1
Nov 19, 2025 (view filing)Nov 172 daysSchultz EricaDirectorSSaleClass A Common Stock−10.0K$10.23−$102.3K−8.5%107.4K after10b5-1
Nov 13, 2025 (view filing)Nov 112 daysSkates SpenserChief Executive OfficerSSaleClass A Common Stock−400.0K$10.99−$4.40M−100.0%0 after10b5-1
Nov 12, 2025 (view filing)Nov 75 daysCasey AndrewChief Financial OfficerPPurchaseClass A Common Stock+30.0K$9.99+$299.7K+2.7%1.16M after
Oct 17, 2025 (view filing)Oct 152 daysSchultz EricaDirectorSSaleClass A Common Stock−10.0K$10.12−$101.2K−8.5%107.4K after10b5-1
Sep 17, 2025 (view filing)Sep 152 daysSchultz EricaDirectorSSaleClass A Common Stock−10.0K$11.06−$110.6K−8.5%107.4K after10b5-1
Aug 19, 2025 (view filing)Aug 154 daysSchultz EricaDirectorSSaleClass A Common Stock−7.50K$11.46−$86.0K−6.5%107.4K after10b5-1
Jul 17, 2025 (view filing)Jul 152 daysSchultz EricaDirectorSSaleClass A Common Stock−7.50K$12.56−$94.2K−6.5%107.4K after10b5-1
Jun 13, 2025 (view filing)Jun 112 daysSchultz EricaDirectorSSaleClass A Common Stock−26.4K$12.49−$329.7K−22.2%92.5K after10b5-1
Jun 13, 2025 (view filing)Jun 112 daysWong CatherineDirectorSSaleClass A Common Stock−8.50K$12.49−$106.2K−9.7%79.2K after10b5-1
May 21, 2025 (view filing)May 192 daysWong CatherineDirectorSSaleClass A Common Stock−3.52K$11.75−$41.3K−3.9%87.7K after10b5-1
May 14, 2025 (view filing)May 122 daysVishria EricDirectorSSaleClass A Common Stock−10.0K$12.00−$120.0K−2.9%329.6K after10b5-1
May 12, 2025 (view filing)May 84 daysVishria EricDirectorSSaleClass A Common Stock−25.0K$10.15−$253.8K−8.7%261.9K after10b5-1
Mar 17, 2025 (view filing)Mar 134 daysCasey AndrewChief Financial OfficerPPurchaseClass A Common Stock+21.0K$11.42+$239.8K+2.0%1.08M after
Mar 12, 2025 (view filing)Mar 111 dayWong CatherineDirectorSSaleClass A Common Stock−3.52K$12.04−$42.3K−3.7%91.2K after10b5-1
Feb 26, 2025 (view filing)Feb 242 daysVishria EricDirectorSSaleClass A Common Stock−35.0K$12.80−$448.0K−10.9%286.9K after10b5-1
Jan 29, 2025 (view filing)Jan 281 dayVishria EricDirectorSSaleClass A Common Stock−3.56K$12.00−$42.8K−1.3%276.2K after10b5-1
Dec 16, 2024 (view filing)Dec 133 daysVishria EricDirectorSSaleClass A Common Stock−6.44K$12.02−$77.4K−2.2%279.8K after10b5-1
Nov 19, 2024 (view filing)Nov 181 dayWong CatherineDirectorSSaleClass A Common Stock−3.52K$9.57−$33.6K−3.6%94.7K after10b5-1
Nov 14, 2024 (view filing)Nov 122 daysVishria EricDirectorSSaleClass A Common Stock−25.0K$10.18−$254.5K−8.0%286.2K after10b5-1
Aug 20, 2024 (view filing)Aug 191 dayWong CatherineDirectorSSaleClass A Common Stock−3.52K$8.54−$30.0K−3.5%98.2K after10b5-1
May 20, 2024 (view filing)May 173 daysWong CatherineDirectorSSaleClass A Common Stock−3.52K$9.16−$32.2K−4.1%82.8K after10b5-1
Feb 26, 2024 (view filing)Feb 233 daysWong CatherineDirectorSSaleClass A Common Stock−3.52K$11.97−$42.1K−3.9%86.3K after10b5-1
Jan 9, 2024 (view filing)5:43 PM ETJan 27 daysLateFleischer Russell L and 8 others10% OwnerSSaleClass A Common Stock−33.3K$12.56−$418.7K−9.2%327.8K afterDuplicate filing
Jan 9, 2024 (view filing)5:41 PM ETJan 27 daysLateBattery Ventures Select Fund I, L.P. and 2 others10% OwnerSSaleClass A Common Stock−33.3K$12.56−$418.7K−9.2%327.8K after
Nov 20, 2023 (view filing)Nov 173 daysWong CatherineDirectorSSaleClass A Common Stock−3.52K$10.47−$36.8K−3.8%89.8K after10b5-1
Aug 21, 2023 (view filing)Aug 174 daysWong CatherineDirectorSSaleClass A Common Stock−3.52K$11.23−$39.5K−3.6%93.4K after10b5-1
Jul 7, 2023 (view filing)Jul 52 daysThakker Dharmesh10% OwnerSSaleClass A Common Stock−63.5K$10.84−$688.5K−100.0%0 after
Jun 8, 2023 (view filing)8:31 PM ETJun 6-82 daysSC US (TTGP), Ltd. and 1 other10% OwnerSSaleClass A Common Stock−323.9K$10.08−$3.26M−100.0%0 after6 lotsDuplicate filing
Jun 8, 2023 (view filing)8:30 PM ETJun 6-82 daysSequoia Capital U.S. Venture 2010-Seed Fund, L.P. and 9 others10% OwnerSSaleClass A Common Stock−323.9K$10.08−$3.26M−100.0%0 after6 lotsDuplicate filing
Jun 8, 2023 (view filing)Jun 6-82 daysGrady Patrick WDirector, 10% OwnerSSaleClass A Common Stock−323.9K$10.08−$3.26M−100.0%0 after6 lots
Jun 5, 2023 (view filing)8:23 PM ETJun 1-54 daysSC US (TTGP), Ltd. and 1 other10% OwnerSSaleClass A Common Stock−178.7K$9.64−$1.72M−100.0%0 after6 lotsDuplicate filing
Jun 5, 2023 (view filing)8:23 PM ETJun 1-54 daysSequoia Capital U.S. Venture 2010-Seed Fund, L.P. and 9 others10% OwnerSSaleClass A Common Stock−178.7K$9.64−$1.72M−100.0%0 after6 lotsDuplicate filing
Jun 5, 2023 (view filing)Jun 1-54 daysGrady Patrick WDirector, 10% OwnerSSaleClass A Common Stock−178.7K$9.64−$1.72M−100.0%0 after6 lots
May 19, 2023 (view filing)May 181 dayHansen Thomas NeergaardPresidentSSaleClass A Common Stock−30.0K$9.11−$273.5K−3.2%914.6K after
May 19, 2023 (view filing)May 181 dayHarms ChristopherChief Financial OfficerSSaleClass A Common Stock−14.7K$9.11−$133.6K−3.6%393.4K after
May 19, 2023 (view filing)May 172 daysWong CatherineDirectorSSaleClass A Common Stock−3.52K$9.02−$31.7K−3.5%96.9K after10b5-1
Apr 12, 2023 (view filing)Apr 102 daysHansen Thomas NeergaardPresidentSSaleClass A Common Stock−22.8K$11.67−$265.6K−2.4%944.6K after
Feb 21, 2023 (view filing)Feb 174 daysWong CatherineDirectorSSaleClass A Common Stock−3.52K$14.34−$50.4K−3.4%100.4K after
Feb 21, 2023 (view filing)Feb 165 daysSarkis NinosChief Accounting OfficerSSaleClass A Common Stock−2.52K$14.61−$36.9K−2.9%83.9K after
Jan 11, 2023 (view filing)Jan 92 daysHansen Thomas NeergaardPresidentSSaleClass A Common Stock−19.6K$12.17−$239.0K−2.0%967.4K after