Siu Chris

Officer · AEHR

As of 2026-09-16, Siu Chris has 28 Form 4 transactions on record across 1 company — 18 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: $6.5MIndirect: $616K$7.1Mas of 2026-09-16
  • Direct $6.5M
  • Indirect $616K
AEHRdirect77,328 sh$6.5M
AEHRindirect7,306 sh$616K

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

AEHR · 28 trades
2026-09-01: Withheld for tax, 496 sh ($38K)2026-07-13: Withheld for tax, 988 sh ($72K)2026-07-02: Withheld for tax, 1,139 sh ($80K)2026-07-01: Withheld for tax, 2,213 sh ($187K)2026-07-01: Award / grant, 6,079 sh ($0)2026-07-01: Award / grant, 6,165 sh ($0)2026-06-01: Withheld for tax, 350 sh ($33K)2026-04-11: Withheld for tax, 697 sh ($49K)2026-04-02: Withheld for tax, 821 sh ($36K)2026-04-01: Other acquisition, 2,095 sh ($14K)2026-03-01: Withheld for tax, 368 sh ($14K)2026-01-11: Withheld for tax, 799 sh ($21K)2026-01-02: Withheld for tax, 940 sh ($21K)2025-12-01: Withheld for tax, 349 sh ($8K)2025-10-13: Withheld for tax, 695 sh ($16K)2025-10-02: Withheld for tax, 694 sh ($22K)2025-10-02: Withheld for tax, 126 sh ($4K)2025-10-01: Other acquisition, 1,009 sh ($7K)2025-09-02: Withheld for tax, 349 sh ($9K)2025-07-11: Withheld for tax, 1,045 sh ($15K)2025-07-02: Withheld for tax, 752 sh ($11K)2025-07-02: Award / grant, 30,998 sh ($0)2025-07-02: Award / grant, 5,586 sh ($0)2025-06-02: Withheld for tax, 524 sh ($5K)2025-04-11: Withheld for tax, 836 sh ($7K)2025-04-01: Other acquisition, 2,175 sh ($15K)2025-03-03: Withheld for tax, 420 sh ($4K)2025-01-13: Withheld for tax, 836 sh ($13K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
28 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-01AEHRWithheld for tax49677,328Form 4
2026-07-13AEHRWithheld for tax98877,824Form 4
2026-07-02AEHRWithheld for tax1,13978,812Form 4
2026-07-01AEHRWithheld for tax2,21379,951Form 4
2026-07-01AEHRAward / grant6,07982,164Form 4
2026-07-01AEHRAward / grant6,16576,085Form 4
2026-06-01AEHRWithheld for tax35069,920Form 4
2026-04-11AEHRWithheld for tax69770,740Form 4
2026-04-02AEHRWithheld for tax82171,437Form 4
2026-04-01AEHROther acquisition2,0957,306Form 4
2026-03-01AEHRWithheld for tax36872,258Form 4
2026-01-11AEHRWithheld for tax79972,626Form 4
2026-01-02AEHRWithheld for tax94073,425Form 4
2025-12-01AEHRWithheld for tax34974,365Form 4
2025-10-13AEHRWithheld for tax69574,714Form 4
2025-10-02AEHRWithheld for tax69475,535Form 4
2025-10-02AEHRWithheld for tax12675,409Form 4
2025-10-01AEHROther acquisition1,0095,211Form 4
2025-09-02AEHRWithheld for tax34976,229Form 4
2025-07-11AEHRWithheld for tax1,04576,578Form 4
2025-07-02AEHRWithheld for tax75277,623Form 4
2025-07-02AEHRAward / grant30,99872,789Form 4
2025-07-02AEHRAward / grant5,58678,375Form 4
2025-06-02AEHRWithheld for tax52441,791Form 4
2025-04-11AEHRWithheld for tax83641,569Form 4
2025-04-01AEHROther acquisition2,1754,202Form 4
2025-03-03AEHRWithheld for tax42042,405Form 4
2025-01-13AEHRWithheld for tax83642,825Form 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.