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AMPLAmplitude, Inc.

Market cap
$2.18B
as of 2026-10-23
Latest close
$17.42
as of 2026-10-23
Sector
Technology
as of 2026-10-24
Industry
Software - Application
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-11-17

Dashed line = amended filing (Form 4/A)

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Raji Vijaye GaneshOct 15Oct 15A37,851$0.00$037,851NoForm 4
Schultz EricaOct 5Oct 7A892$0.00$0143,992NoForm 4
Tzuo TienOct 5Oct 7A818$0.00$0102,419NoForm 4
Skates SpenserCEO and PresidentOct 2Oct 6C70,087$0.00$070,087YesForm 4
Skates SpenserCEO and PresidentOct 2Oct 6S70,087$14.52Sale −$1,017,684not reportedYesForm 4
Skates SpenserCEO and PresidentOct 2Oct 6C · derivative70,087$0.00$0307,157YesForm 4
Skates SpenserCEO and PresidentOct 1Oct 2C3,539$0.00$03,539YesForm 4
Skates SpenserCEO and PresidentOct 1Oct 2S3,539$14.45Sale −$51,139not reportedYesForm 4
Skates SpenserCEO and PresidentOct 1Oct 2C · derivative3,539$0.00$0377,244YesForm 4
Skates SpenserCEO and PresidentSep 30Oct 2C1,374$0.00$01,374YesForm 4
Skates SpenserCEO and PresidentSep 30Oct 2S1,374$14.45Sale −$19,858not reportedYesForm 4
Skates SpenserCEO and PresidentSep 30Oct 2C · derivative1,374$0.00$0380,783YesForm 4
Skates SpenserCEO and PresidentSep 10Sep 14C185,000$0.00$0185,000YesForm 4
Skates SpenserCEO and PresidentSep 10Sep 14S185,000$12.30Sale −$2,275,500not reportedYesForm 4
Skates SpenserCEO and PresidentSep 10Sep 14C · derivative185,000$0.00$0382,157YesForm 4
Crook Nathaniel GlennChief Commercial OfficerSep 4Sep 9S300,000$12.99Sale −$3,897,0001,622,696YesForm 4
Casey AndrewChief Financial OfficerAug 17Aug 18F72,814$13.03$948,7661,363,338NoForm 4
Crook Nathaniel GlennChief Commercial OfficerAug 17Aug 18F109,368$13.03$1,425,0651,922,696NoForm 4
Skates SpenserCEO and PresidentAug 17Aug 18F52,369$13.03$682,3681,231,188NoForm 4
Liu CurtisChief Technology OfficerAug 17Aug 18F53,878$13.03$702,030950,316NoForm 4
Liu CurtisChief Technology OfficerJul 8Jul 10G · derivative175,000$0.00$07,207,208NoForm 4
Liu CurtisChief Technology OfficerJul 8Jul 10G · derivative175,000$0.00$0175,000NoForm 4
Schultz EricaJul 5Jul 7A1,659$0.00$0143,100NoForm 4
Tzuo TienJul 5Jul 7A1,521$0.00$0101,601NoForm 4
Liu CurtisChief Technology OfficerJun 1Jun 164/AS22,786$8.03Sale −$182,9721,004,194YesForm 4/A
Wong CatherineJun 12Jun 15S7,453$6.79Sale −$50,606111,462YesForm 4
Whitehurst James MJun 9Jun 11A24,857$0.00$0187,201NoForm 4
Gill Ronald SJun 9Jun 11A24,857$0.00$099,535NoForm 4
Schultz EricaJun 9Jun 11A24,857$0.00$0141,441NoForm 4
Grady Patrick WJun 9Jun 11A24,857$0.00$085,806NoForm 4
Wong CatherineJun 9Jun 11A24,857$0.00$0118,915NoForm 4
Skates SpenserCEO and PresidentMay 15May 19F39,562$6.06$239,7461,283,557NoForm 4
Liu CurtisChief Technology OfficerMay 15May 19F40,279$6.06$244,0911,026,980NoForm 4
Casey AndrewChief Financial OfficerMay 15May 19F64,872$6.06$393,1241,436,152NoForm 4
Crook Nathaniel GlennChief Commercial OfficerMay 15May 19F101,292$6.06$613,8302,032,064NoForm 4
Liu CurtisChief Technology OfficerMay 4May 6S17,586$8.12Sale −$142,7981,067,259YesForm 4
Skates SpenserCEO and PresidentApr 21Apr 22A1,323,119$0.00$01,323,119NoForm 4
Liu CurtisChief Technology OfficerApr 15Apr 17A417,827$0.00$01,084,845NoForm 4
Casey AndrewChief Financial OfficerApr 15Apr 17A431,754$0.00$01,498,524NoForm 4
Crook Nathaniel GlennChief Commercial OfficerApr 15Apr 17A278,551$0.00$01,156,096NoForm 4
Crook Nathaniel GlennChief Commercial OfficerApr 15Apr 17A974,930$0.00$02,131,026NoForm 4
Schultz EricaApr 5Apr 7A1,678$0.00$0116,584NoForm 4
Tzuo TienApr 5Apr 7A1,538$0.00$0100,080NoForm 4
Liu CurtisChief Technology OfficerMar 6Mar 10S33,201$8.01Sale −$265,940603,756YesForm 4
Liu CurtisChief Technology OfficerMar 5Mar 9S30,061$8.00Sale −$240,488636,957YesForm 4
Hansen Thomas NeergaardPresidentFeb 15Feb 17F69,142$6.34$438,3601,845,845NoForm 4
Liu CurtisChief Technology OfficerFeb 15Feb 17F26,672$6.34$169,100730,280NoForm 4
Casey AndrewChief Financial OfficerFeb 15Feb 17F39,438$6.34$250,0371,066,770NoForm 4
Tzuo TienJan 5Jan 7A999$0.00$098,542NoForm 4
Skates SpenserChief Executive OfficerDec 26, 2025Dec 30, 2025C100$0.00$0100YesForm 4
Skates SpenserChief Executive OfficerDec 26, 2025Dec 30, 2025S100$12.00Sale −$1,200not reportedYesForm 4
Skates SpenserChief Executive OfficerDec 26, 2025Dec 30, 2025C · derivative100$0.00$0567,157YesForm 4
Skates SpenserChief Executive OfficerDec 24, 2025Dec 29, 2025C42,743$0.00$042,743YesForm 4
Skates SpenserChief Executive OfficerDec 24, 2025Dec 29, 2025S42,743$12.01Sale −$513,343not reportedYesForm 4
Skates SpenserChief Executive OfficerDec 24, 2025Dec 29, 2025C · derivative42,743$0.00$0567,257YesForm 4
Schultz EricaDec 15, 2025Dec 17, 2025M10,000$4.19$41,900124,906YesForm 4
Schultz EricaDec 15, 2025Dec 17, 2025S10,000$10.88Sale −$108,800114,906YesForm 4
Schultz EricaDec 15, 2025Dec 17, 2025M · derivative10,000$4.19$41,90049,500YesForm 4
Schultz EricaNov 17, 2025Nov 19, 2025M10,000$4.19$41,900117,406YesForm 4
Schultz EricaNov 17, 2025Nov 19, 2025S10,000$10.23Sale −$102,300107,406YesForm 4
Schultz EricaNov 17, 2025Nov 19, 2025M · derivative10,000$4.19$41,90059,500YesForm 4
Hansen Thomas NeergaardPresidentNov 15, 2025Nov 18, 2025F91,618$10.73$983,0611,914,987NoForm 4
Liu CurtisChief Technology OfficerNov 15, 2025Nov 18, 2025F36,092$10.73$387,267756,952NoForm 4
Casey AndrewChief Financial OfficerNov 15, 2025Nov 18, 2025F54,400$10.73$583,7121,106,208NoForm 4
Skates SpenserChief Executive OfficerNov 11, 2025Nov 13, 2025C400,000$0.00$0400,000YesForm 4
Skates SpenserChief Executive OfficerNov 11, 2025Nov 13, 2025S400,000$10.99Sale −$4,396,000not reportedYesForm 4
Skates SpenserChief Executive OfficerNov 11, 2025Nov 13, 2025C · derivative400,000$0.00$0610,000YesForm 4
Casey AndrewChief Financial OfficerNov 7, 2025Nov 12, 2025P30,000$9.99Purchase +$299,7001,160,608NoForm 4
Schultz EricaOct 15, 2025Oct 17, 2025M10,000$4.19$41,900117,406YesForm 4
Schultz EricaOct 15, 2025Oct 17, 2025S10,000$10.12Sale −$101,200107,406YesForm 4
Schultz EricaOct 15, 2025Oct 17, 2025M · derivative10,000$4.19$41,90069,500YesForm 4
Tzuo TienOct 5, 2025Oct 7, 2025A977$0.00$097,543NoForm 4
Schultz EricaSep 15, 2025Sep 17, 2025M10,000$4.19$41,900117,406YesForm 4
Schultz EricaSep 15, 2025Sep 17, 2025S10,000$11.06Sale −$110,600107,406YesForm 4
Schultz EricaSep 15, 2025Sep 17, 2025M · derivative10,000$4.19$41,90079,500YesForm 4
Schultz EricaAug 15, 2025Aug 19, 2025M7,500$4.19$31,425114,906YesForm 4
Schultz EricaAug 15, 2025Aug 19, 2025S7,500$11.46Sale −$85,950107,406YesForm 4
Schultz EricaAug 15, 2025Aug 19, 2025M · derivative7,500$4.19$31,42589,500YesForm 4
Liu CurtisChief Technology OfficerAug 15, 2025Aug 19, 2025F34,301$11.47$393,432793,044NoForm 4
Casey AndrewChief Financial OfficerAug 15, 2025Aug 19, 2025F54,399$11.47$623,9571,128,108NoForm 4
Hansen Thomas NeergaardPresidentAug 15, 2025Aug 19, 2025F95,809$11.47$1,098,9292,006,605NoForm 4
Skates SpenserChief Executive OfficerAug 4, 2025Aug 6, 2025G · derivative1,010,000$0.00$05,342,146NoForm 4
Skates SpenserChief Executive OfficerAug 4, 2025Aug 6, 2025G · derivative1,010,000$0.00$01,010,000NoForm 4
Schultz EricaJul 15, 2025Jul 17, 2025M7,500$4.19$31,425114,906YesForm 4
Schultz EricaJul 15, 2025Jul 17, 2025S7,500$12.56Sale −$94,200107,406YesForm 4
Schultz EricaJul 15, 2025Jul 17, 2025M · derivative7,500$4.19$31,42597,000YesForm 4
Schultz EricaJun 11, 2025Jul 17, 2025M7,500$4.19$31,425100,000YesForm 4
Schultz EricaJun 11, 2025Jul 17, 2025M · derivative7,500$4.19$31,425104,500YesForm 4
Tzuo TienJul 5, 2025Jul 8, 2025A894$0.00$096,566NoForm 4
Grady Patrick WJun 12, 2025Jun 16, 2025A14,906$0.00$060,949NoForm 4
Wong CatherineJun 12, 2025Jun 16, 2025A14,906$0.00$094,058NoForm 4
Schultz EricaJun 12, 2025Jun 16, 2025A14,906$0.00$0107,406NoForm 4
Whitehurst James MJun 12, 2025Jun 16, 2025A14,906$0.00$0162,344NoForm 4
Gill Ronald SJun 12, 2025Jun 16, 2025A14,906$0.00$074,678NoForm 4
Vishria EricJun 12, 2025Jun 16, 2025A14,906$0.00$064,712NoForm 4
Wong CatherineJun 11, 2025Jun 13, 2025S8,502$12.49Sale −$106,19079,152YesForm 4
Schultz EricaJun 11, 2025Jun 13, 2025S26,394$12.49Sale −$329,66192,500YesForm 4
Wong CatherineMay 19, 2025May 21, 2025S3,515$11.75Sale −$41,30187,654YesForm 4
Casey AndrewChief Financial OfficerMay 15, 2025May 19, 2025F54,399$12.14$660,4041,182,507NoForm 4
Hansen Thomas NeergaardPresidentMay 15, 2025May 19, 2025F95,810$12.14$1,163,1332,102,414NoForm 4
Liu CurtisChief Technology OfficerMay 15, 2025May 19, 2025F25,533$12.14$309,971827,345NoForm 4
Vishria EricMay 12, 2025May 14, 2025C1,685,008$0.00$01,685,008YesForm 4
Vishria EricMay 12, 2025May 14, 2025J1,685,008$0.00$0not reportedYesForm 4
Vishria EricMay 12, 2025May 14, 2025J77,762$0.00$0339,621YesForm 4
Vishria EricMay 12, 2025May 14, 2025S10,000$12.00Sale −$120,000329,621YesForm 4
Vishria EricMay 12, 2025May 14, 2025C · derivative1,685,008$0.00$0not reportedYesForm 4
Vishria EricMay 8, 2025May 12, 2025S25,000$10.15Sale −$253,750261,859YesForm 4
Liu CurtisChief Technology OfficerApr 25, 2025Apr 29, 2025A852,878$0.00$0852,878NoForm 4
Casey AndrewChief Financial OfficerApr 25, 2025Apr 29, 2025A159,914$0.00$01,236,906NoForm 4
Hansen Thomas NeergaardPresidentApr 25, 2025Apr 29, 2025A565,031$0.00$02,198,224NoForm 4
Tzuo TienApr 5, 2025Apr 8, 2025A398$0.00$095,672NoForm 4
Vishria EricApr 5, 2025Apr 8, 2025A643$0.00$049,806NoForm 4
Casey AndrewChief Financial OfficerMar 13, 2025Mar 17, 2025P21,000$11.42Purchase +$239,8201,076,992NoForm 4
Wong CatherineMar 11, 2025Mar 12, 2025S3,515$12.04Sale −$42,32191,169YesForm 4
Vishria EricFeb 24, 2025Feb 26, 2025S35,000$12.80Sale −$448,000286,859YesForm 4
Tzuo TienFeb 22, 2025Feb 25, 2025A44,462$0.00$095,274NoForm 4
Vishria EricFeb 20, 2025Feb 24, 2025C1,000,000$0.00$01,000,000NoForm 4
Vishria EricFeb 20, 2025Feb 24, 2025J1,000,000$0.00$0not reportedNoForm 4
Vishria EricFeb 20, 2025Feb 24, 2025J45,651$0.00$0321,859NoForm 4
Vishria EricFeb 20, 2025Feb 24, 2025C · derivative1,000,000$0.00$01,685,008NoForm 4
Casey AndrewChief Financial OfficerFeb 15, 2025Feb 18, 2025F35,748$12.04$430,4061,055,992NoForm 4
Hansen Thomas NeergaardPresidentFeb 15, 2025Feb 18, 2025F60,015$12.04$722,5811,633,193NoForm 4
Vishria EricJan 28, 2025Jan 29, 2025S3,563$12.00Sale −$42,756276,208YesForm 4
Vishria EricJan 5, 2025Jan 7, 2025A683$0.00$049,163NoForm 4
Vishria EricDec 13, 2024Dec 16, 2024S6,437$12.02Sale −$77,373279,771YesForm 4
Wong CatherineNov 18, 2024Nov 19, 2024S3,515$9.57Sale −$33,63994,684YesForm 4
Hansen Thomas NeergaardPresidentNov 15, 2024Nov 19, 2024F71,757$9.59$688,1501,693,208NoForm 4
Casey AndrewChief Financial OfficerNov 15, 2024Nov 19, 2024F33,852$9.59$324,6411,091,740NoForm 4
Vishria EricNov 12, 2024Nov 14, 2024S25,000$10.18Sale −$254,500286,208YesForm 4
Vishria EricOct 5, 2024Oct 8, 2024A854$0.00$048,480NoForm 4
Casey AndrewChief Financial OfficerSep 15, 2024Sep 17, 2024A1,125,592$0.00$01,125,592NoForm 4
Wong CatherineAug 19, 2024Aug 20, 2024S3,515$8.54Sale −$30,01898,199YesForm 4
Hansen Thomas NeergaardPresidentAug 15, 2024Aug 16, 2024F71,757$8.49$609,2171,764,965NoForm 4
Vishria EricJul 5, 2024Jul 9, 2024A859$0.00$047,626NoForm 4
Schultz EricaJun 11, 2024Jun 13, 2024A18,894$0.00$0118,894NoForm 4
Whitehurst James MJun 11, 2024Jun 13, 2024A18,894$0.00$0147,438NoForm 4
Steele ElisaJun 11, 2024Jun 13, 2024A18,894$0.00$021,690NoForm 4
Wong CatherineJun 11, 2024Jun 13, 2024A18,894$0.00$0101,714NoForm 4
Gill Ronald SJun 11, 2024Jun 13, 2024A18,894$0.00$059,772NoForm 4
Vishria EricJun 11, 2024Jun 13, 2024A18,894$0.00$046,767NoForm 4
Grady Patrick WJun 11, 2024Jun 13, 2024A18,894$0.00$046,043NoForm 4
Wong CatherineMay 17, 2024May 20, 2024S3,515$9.16Sale −$32,19782,820YesForm 4
Hansen Thomas NeergaardPresidentMay 15, 2024May 17, 2024F69,080$9.49$655,5691,836,722NoForm 4
Harms ChristopherChief Financial OfficerMay 15, 2024May 17, 2024F32,064$9.49$304,287833,853NoForm 4
Harms ChristopherChief Financial OfficerApr 15, 2024Apr 16, 2024A275,624$0.00$0865,917NoForm 4
Hansen Thomas NeergaardPresidentApr 15, 2024Apr 16, 2024A1,000,000$0.00$01,905,802NoForm 4
Vishria EricApr 5, 2024Apr 9, 2024A724$0.00$027,873NoForm 4
Vishria EricFeb 26, 2024Feb 28, 2024C1,000,000$0.00$01,000,000NoForm 4
Vishria EricFeb 26, 2024Feb 28, 2024J1,000,000$0.00$0not reportedNoForm 4
Vishria EricFeb 26, 2024Feb 28, 2024J45,637$0.00$0311,208NoForm 4
Vishria EricFeb 26, 2024Feb 28, 2024C · derivative1,000,000$0.00$02,685,008NoForm 4
Wong CatherineFeb 23, 2024Feb 26, 2024S3,515$11.97Sale −$42,07586,335YesForm 4
Hansen Thomas NeergaardPresidentFeb 15, 2024Feb 16, 2024F21,163$14.26$301,784905,802NoForm 4
Harms ChristopherChief Financial OfficerFeb 15, 2024Feb 16, 2024F18,040$14.26$257,250590,293NoForm 4
Liu CurtisChief Technology OfficerFeb 1, 2024Feb 5, 2024M23,866$4.19$99,99923,866NoForm 4
Liu CurtisChief Technology OfficerFeb 1, 2024Feb 5, 2024C23,866$0.00$0not reportedNoForm 4
Liu CurtisChief Technology OfficerFeb 1, 2024Feb 5, 2024M · derivative23,866$4.19$99,99912,199NoForm 4
Liu CurtisChief Technology OfficerFeb 1, 2024Feb 5, 2024C · derivative23,866$0.00$0not reportedNoForm 4
Battery Partners Select Fund I GP, LLCJan 2, 2024Jan 9, 2024S33,333$12.56Sale −$418,662327,766NoForm 4
Feldman JesseJan 2, 2024Jan 9, 2024S33,333$12.56Sale −$418,662327,766NoForm 4
Vishria EricDec 11, 2023Dec 13, 2023C1,000,000$0.00$01,000,000NoForm 4
Vishria EricDec 11, 2023Dec 13, 2023J1,000,000$0.00$0not reportedNoForm 4
Vishria EricDec 11, 2023Dec 13, 2023J45,637$0.00$0265,571NoForm 4
Vishria EricDec 11, 2023Dec 13, 2023C · derivative1,000,000$0.00$03,685,008NoForm 4
Wong CatherineNov 17, 2023Nov 20, 2023S3,515$10.47Sale −$36,80289,850YesForm 4
Harms ChristopherChief Financial OfficerNov 15, 2023Nov 17, 2023F20,878$10.76$224,647608,333NoForm 4
Hansen Thomas NeergaardPresidentNov 15, 2023Nov 17, 2023F28,882$10.76$310,770926,965NoForm 4