Xia Howard H.

Director · COHR

As of 2026-09-27, Xia Howard H. has 58 Form 4 transactions on record across 1 company — 22 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.

Pattern in the record: open-market sales filed in May in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Trades by company

COHR · 58 trades
2026-05-11: Sale, 500 sh ($184K)2026-05-11: Sale, 500 sh ($179K)2026-05-11: Sale, 500 sh ($174K)2026-05-11: Sale, 500 sh ($172K)2026-05-11: Option exercise, 2,000 sh ($43K)2026-05-11: Option exercise, 2,000 sh ($0)2026-03-17: Sale, 1,240 sh ($293K)2026-03-17: Sale, 1,000 sh ($246K)2026-03-17: Sale, 1,000 sh ($244K)2026-03-17: Option exercise, 3,240 sh ($70K)2026-03-17: Option exercise, 3,240 sh ($0)2026-03-16: Sale, 1,000 sh ($258K)2026-03-16: Option exercise, 1,000 sh ($22K)2026-03-16: Option exercise, 1,000 sh ($0)2026-02-11: Award / grant, 279 sh ($0)2025-12-02: Sale, 1,000 sh ($172K)2025-12-02: Sale, 1,000 sh ($168K)2025-12-02: Option exercise, 2,000 sh ($43K)2025-12-02: Option exercise, 2,000 sh ($0)2025-11-28: Sale, 1,000 sh ($158K)2025-11-28: Option exercise, 1,000 sh ($22K)2025-11-28: Option exercise, 1,000 sh ($0)2025-08-28: Award / grant, 2,272 sh ($0)2025-06-16: Sale, 1,000 sh ($81K)2025-06-16: Option exercise, 1,000 sh ($18K)2025-06-16: Option exercise, 1,000 sh ($0)2025-06-11: Sale, 1,000 sh ($83K)2025-06-11: Option exercise, 1,000 sh ($18K)2025-06-11: Option exercise, 1,000 sh ($0)2025-05-21: Sale, 1,000 sh ($81K)2025-05-21: Option exercise, 1,000 sh ($18K)2025-05-21: Option exercise, 1,000 sh ($0)2025-05-12: Sale, 1,000 sh ($78K)2025-05-12: Sale, 1,000 sh ($77K)2025-05-12: Option exercise, 2,000 sh ($36K)2025-05-12: Option exercise, 2,000 sh ($0)2025-05-09: Sale, 1,000 sh ($73K)2025-05-09: Option exercise, 1,000 sh ($18K)2025-05-09: Option exercise, 1,000 sh ($0)2024-12-04: Sale, 1,000 sh ($112K)2024-12-04: Sale, 1,000 sh ($109K)2024-12-04: Option exercise, 2,000 sh ($36K)2024-12-04: Option exercise, 2,000 sh ($0)2024-12-03: Sale, 970 sh ($103K)2024-12-03: Option exercise, 970 sh ($17K)2024-12-03: Option exercise, 970 sh ($0)2024-08-29: Award / grant, 2,831 sh ($0)2024-05-23: Sale, 1,000 sh ($61K)2024-05-23: Sale, 1,000 sh ($61K)2024-05-23: Option exercise, 1,000 sh ($14K)2024-05-23: Option exercise, 1,000 sh ($0)2024-05-23: Option exercise, 1,000 sh ($0)2024-05-16: Sale, 1,000 sh ($59K)2024-05-16: Option exercise, 1,000 sh ($14K)2024-05-16: Option exercise, 1,000 sh ($0)2024-05-15: Sale, 1,000 sh ($58K)2024-05-15: Option exercise, 1,000 sh ($14K)2024-05-15: Option exercise, 1,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-11COHRSale500 @ $368.00$184K−1.0% of holding50,298Form 4
2026-05-11COHRSale500 @ $358.00$179K−1.0% of holding50,798Form 4
2026-05-11COHRSale500 @ $348.00$174K−1.0% of holding51,298Form 4
2026-05-11COHRSale500 @ $344.00$172K−1.0% of holding51,798Form 4
2026-03-17COHRSale1,240 @ $236.22$293K−2.4% of holding50,298Form 4
2026-03-17COHRSale1,000 @ $245.57$246K−1.9% of holding52,538Form 4
2026-03-17COHRSale1,000 @ $244.46$244K−1.9% of holding51,538Form 4
2026-03-16COHRSale1,000 @ $258.00$258K−1.9% of holding50,298Form 4
2025-12-02COHRSale1,000 @ $172.00$172K−2.0% of holding50,019Form 4
2025-12-02COHRSale1,000 @ $168.00$168K−1.9% of holding51,019Form 4
2025-11-28COHRSale1,000 @ $158.36$158K−2.0% of holding50,019Form 4
2025-06-16COHRSale1,000 @ $80.88$81K−2.1% of holding47,747Form 4
2025-06-11COHRSale1,000 @ $83.00$83K−2.1% of holding47,747Form 4
2025-05-21COHRSale1,000 @ $81.00$81K−2.1% of holding47,747Form 4
2025-05-12COHRSale1,000 @ $78.00$78K−2.1% of holding47,747Form 4
2025-05-12COHRSale1,000 @ $76.84$77K−2.0% of holding48,747Form 4
2025-05-09COHRSale1,000 @ $72.69$73K−2.1% of holding47,747Form 4
2024-12-04COHRSale1,000 @ $112.00$112K−2.1% of holding47,747Form 4
2024-12-04COHRSale1,000 @ $109.45$109K−2.0% of holding48,747Form 4
2024-12-03COHRSale970 @ $106.00$103K−2.0% of holding47,747Form 4
2024-05-23COHRSale1,000 @ $61.00$61K−2.2% of holding44,916Form 4
2024-05-23COHRSale1,000 @ $60.83$61K−2.2% of holding44,916Form 4
2024-05-16COHRSale1,000 @ $59.00$59K−2.2% of holding44,916Form 4
2024-05-15COHRSale1,000 @ $58.00$58K−2.2% of holding44,916Form 4
34 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-11COHROption exercise2,00052,298Form 4
2026-05-11COHROption exercise2,0000Form 4
2026-03-17COHROption exercise3,24053,538Form 4
2026-03-17COHROption exercise3,2402,000Form 4
2026-03-16COHROption exercise1,00051,298Form 4
2026-03-16COHROption exercise1,0005,240Form 4
2026-02-11COHRAward / grant27950,298Form 4
2025-12-02COHROption exercise2,00052,019Form 4
2025-12-02COHROption exercise2,0006,240Form 4
2025-11-28COHROption exercise1,00051,019Form 4
2025-11-28COHROption exercise1,0008,240Form 4
2025-08-28COHRAward / grant2,27250,019Form 4
2025-06-16COHROption exercise1,00048,747Form 4
2025-06-16COHROption exercise1,0000Form 4
2025-06-11COHROption exercise1,00048,747Form 4
2025-06-11COHROption exercise1,0001,000Form 4
2025-05-21COHROption exercise1,00048,747Form 4
2025-05-21COHROption exercise1,0002,000Form 4
2025-05-12COHROption exercise2,00049,747Form 4
2025-05-12COHROption exercise2,0003,000Form 4
2025-05-09COHROption exercise1,00048,747Form 4
2025-05-09COHROption exercise1,0005,000Form 4
2024-12-04COHROption exercise2,00049,747Form 4
2024-12-04COHROption exercise2,0006,000Form 4
2024-12-03COHROption exercise97048,717Form 4
2024-12-03COHROption exercise9708,000Form 4
2024-08-29COHRAward / grant2,83147,747Form 4
2024-05-23COHROption exercise1,00045,916Form 4
2024-05-23COHROption exercise1,0001,000Form 4
2024-05-23COHROption exercise1,0000Form 4
2024-05-16COHROption exercise1,00045,916Form 4
2024-05-16COHROption exercise1,0002,000Form 4
2024-05-15COHROption exercise1,00045,916Form 4
2024-05-15COHROption exercise1,0003,000Form 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.