Dudediligence.

Amplitude, Inc

AMPLNASDAQ · Services-Prepackaged Software
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$8,115,120

8 notices · 671,087 sh

Dec 2025 to Oct 2026

Reported ·

$6,283,921

12 sales · 1 buy · $299,700 bought

Oct 2025 to Jun 2026

The two figures cover different periods.

All 12 reported sales carry the 10b5-1 box.

PLANNED · FORM 144Dec 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-10-02: Skates Spenser, Form 1442026-10-01: Skates Spenser, Form 1442026-09-30: Skates Spenser, Form 1442026-09-10: Skates Spenser, Form 1442026-09-04: Crook Nathaniel Glenn, Form 1442026-06-12: CATHERINE JEN WONG, Form 1442026-06-01: Liu Curtis, Form 1442026-03-05: CURTIS LIU, Form 1442025-10-15: Schultz Erica, sold2025-11-07: Casey Andrew, bought2025-11-11: Skates Spenser, sold2025-11-17: Schultz Erica, sold2025-12-15: Schultz Erica, sold2025-12-24: Skates Spenser, sold2025-12-26: Skates Spenser, sold2026-03-05: Liu Curtis, sold2026-03-06: Liu Curtis, sold2026-05-04: Liu Curtis, sold2026-06-01: Liu Curtis, sold2026-06-01: Liu Curtis, sold2026-06-12: Wong Catherine, sold
under a no plan named▼ sale▲ buysize is dollars

Form 144 notices, newest first

2026-10-02Skates Spenser, CEO and President$1,017,553
70,087 shplan 2026-06-11Form 4s on file end Jun 23144 ↗
2026-10-01Skates Spenser, CEO and President$51,139
3,539 shplan 2026-06-11Form 4s on file end Jun 23144 ↗
2026-09-30Skates Spenser, CEO and President$19,857
1,374 shplan 2026-06-11Form 4s on file end Jun 23144 ↗
2026-09-10Skates Spenser, CEO and President$2,275,219
185,000 shplan 2026-06-11Form 4s on file end Jun 23144 ↗
2026-09-04Crook Nathaniel Glenn, Chief Commercial Officer$3,897,743
300,000 shplan 2026-06-02Form 4s on file end Jun 23144 ↗
2026-06-12CATHERINE JEN WONG, Officer$51,277
7,453 shplan 2025-12-11144 ↗
Form 4, 2026-06-15: sold 7,453 at $6.79 Form 4 ↗
2026-06-01Liu Curtis, Chief Technology Officer$178,187
22,786 shplan 2025-11-26144 ↗
Form 4, 2026-06-16: sold 22,786 at $8.03 Form 4 ↗
2026-03-05CURTIS LIU, Chief Technology Officer$624,147
80,848 shplan 2025-11-26144 ↗
Form 4, 2026-03-09: sold 30,061 at $8.00 Form 4 ↗