Skates Spenser

Director · Officer · Ten-percent owner · AMPL

As of 2026-09-16, Skates Spenser has 17 Form 4 transactions on record across 1 company — 15 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $16.6MIndirect: $5.1M$21.7Mas of 2026-09-16
  • Direct $16.6M
  • Indirect $5.1M
AMPLdirect1,231,188 sh$16.6M
AMPLindirect382,157 sh$5.1M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

AMPL · 17 trades
2026-09-10: Sale, 185,000 sh ($2.3M)2026-09-10: Conversion, 185,000 sh ($0)2026-09-10: Conversion, 185,000 sh ($0)2026-08-17: Withheld for tax, 52,369 sh ($682K)2026-05-15: Withheld for tax, 39,562 sh ($240K)2026-04-21: Award / grant, 1,323,119 sh ($0)2025-12-26: Sale, 100 sh ($1K)2025-12-26: Conversion, 100 sh ($0)2025-12-26: Conversion, 100 sh ($0)2025-12-24: Sale, 42,743 sh ($513K)2025-12-24: Conversion, 42,743 sh ($0)2025-12-24: Conversion, 42,743 sh ($0)2025-11-11: Sale, 400,000 sh ($4.4M)2025-11-11: Conversion, 400,000 sh ($0)2025-11-11: Conversion, 400,000 sh ($0)2025-08-04: Gift, 1,010,000 sh ($0)2025-08-04: Gift, 1,010,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-10AMPLSale185,000 @ $12.30$2.3M−100.0% of holding0Form 4
2025-12-26AMPLSale100 @ $12.00$1K−100.0% of holding0Form 4
2025-12-24AMPLSale42,743 @ $12.01$513K−100.0% of holding0Form 4
2025-11-11AMPLSale400,000 @ $10.99$4.4M−100.0% of holding0Form 4
13 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-10AMPLConversion185,000185,000Form 4
2026-09-10AMPLConversion185,000382,157Form 4
2026-08-17AMPLWithheld for tax52,3691,231,188Form 4
2026-05-15AMPLWithheld for tax39,5621,283,557Form 4
2026-04-21AMPLAward / grant1,323,1191,323,119Form 4
2025-12-26AMPLConversion100100Form 4
2025-12-26AMPLConversion100567,157Form 4
2025-12-24AMPLConversion42,743567,257Form 4
2025-12-24AMPLConversion42,74342,743Form 4
2025-11-11AMPLConversion400,000610,000Form 4
2025-11-11AMPLConversion400,000400,000Form 4
2025-08-04AMPLGift1,010,0001,010,000Form 4
2025-08-04AMPLGift1,010,0005,342,146Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.