Chen Timothy

Director · AMBQ

As of 2026-09-16, Chen Timothy has 6 Form 4 transactions on record across 1 company — 5 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: $3.1MIndirect: $0$3.1Mas of 2026-09-16
  • Direct $3.1M
  • Indirect $0
AMBQdirect52,575 sh$3.1M

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

AMBQ · 6 trades
2026-06-08: Award / grant, 4,957 sh ($0)2026-05-27: Sale, 24,248 sh ($1.9M)2026-05-27: Sale, 22,414 sh ($1.8M)2026-05-27: Sale, 20,666 sh ($1.7M)2026-05-27: Sale, 3,264 sh ($266K)2025-07-29: Award / grant, 47,618 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-27AMBQSale24,248 @ $79.72$1.9M−50.3% of holding23,930Form 4
2026-05-27AMBQSale22,414 @ $78.85$1.8M−31.8% of holding48,178Form 4
2026-05-27AMBQSale20,666 @ $80.61$1.7M−86.4% of holding3,264Form 4
2026-05-27AMBQSale3,264 @ $81.57$266K−100.0% of holding0Form 4
2 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-08AMBQAward / grant4,95752,575Form 4
2025-07-29AMBQAward / grant47,61847,618Form 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.