SEAMS CHRISTOPHER A

Director · ONTO, XPER

As of 2026-09-16, SEAMS CHRISTOPHER A has 4 Form 4 transactions on record across 2 companies — 2 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: $10.1MIndirect: $0$10.1Mas of 2026-09-16
  • Direct $10.1M
  • Indirect $0
ONTOdirect38,513 sh$9.4M
XPERdirect130,269 sh$719K

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

ONTO · 2 trades
2026-05-20: Award / grant, 761 sh ($0)2025-05-21: Award / grant, 2,114 sh ($0)
XPER · 2 trades
2026-04-17: Award / grant, 29,320 sh ($0)2025-04-25: Award / grant, 25,815 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-20ONTOAward / grant76138,513Form 4
2026-04-17XPERAward / grant29,320130,269Form 4
2025-05-21ONTOAward / grant2,11437,752Form 4
2025-04-25XPERAward / grant25,815100,949Form 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.