LYTIR

Insider · SEC Form 4 · CEO and President

Spenser Skates

Filed with the SEC as Skates Spenser; the order above is the one the filer's own signature uses.

In the 12 months to Nov 8, 2026, on the open market: sold $5.4M of AMPL. Filed a median of 2 business days after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

Insider purchases and sales, by month (last 12 months)Insider purchases: $0 in total; Insider sales: $5.4M in total.Sep: Insider sales $2.3MOct: Insider sales $3.1MNov: Insider sales $17KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $0Insider sales below: $5.4M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
  1. AMPLSold: Amplitude, Inc. Nov 5, 2026 61 shares filed Nov 6, 2026 2 transactions 10b5-1 plan filing $1K
  2. AMPLSold: Amplitude, Inc. Nov 4, 2026 901 shares filed Nov 6, 2026 0 shares held indirectly after, as filed 10b5-1 plan filing $16K
  3. AMPLSold: Amplitude, Inc. Oct 28, 2026 6,651 shares filed Oct 28, 2026 0 shares held indirectly after, as filed 10b5-1 plan filing $117K
  4. AMPLSold: Amplitude, Inc. Oct 26, 2026 300 shares filed Oct 28, 2026 2 transactions 10b5-1 plan filing $5K
  5. AMPLSold: Amplitude, Inc. Oct 23, 2026 107,136 shares filed Oct 27, 2026 0 shares held indirectly after, as filed 10b5-1 plan filing $1.9M
  6. AMPLSold: Amplitude, Inc. Oct 2, 2026 70,087 shares filed Oct 6, 2026 0 shares held indirectly after, as filed 10b5-1 plan filing $1.0M
  7. AMPLSold: Amplitude, Inc. Oct 1, 2026 3,539 shares filed Oct 2, 2026 0 shares held indirectly after, as filed 10b5-1 plan filing $51K
  8. AMPLSold: Amplitude, Inc. Sep 30, 2026 1,374 shares filed Oct 2, 2026 0 shares held indirectly after, as filed 10b5-1 plan filing $20K
  9. AMPLSold: Amplitude, Inc. Sep 10, 2026 185,000 shares filed Sep 14, 2026 0 shares held indirectly after, as filed 10b5-1 plan filing $2.3M

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.

Other Form 4 entries

Not counted above: entries this filer reported on Form 4 in the same 12 months that are not open-market purchases or sales. Each entry is one line of a filing.

  • AMPL: conversion (code C), 9 entries, Sep 10 to Nov 5, 2026
  • AMPL: shares withheld for tax or exercise price (code F), 1 entry, Aug 17, 2026
Code C
A conversion of a derivative security, such as preferred stock or units, into shares.
Code F
Shares paid to, or withheld by, the company to cover an exercise price or the tax due on an award.

Source: the same SEC Form 4 filings. The codes are the SEC's own transaction codes; the meanings above are a plain-words reading of the SEC's Form 4 instructions.