InsiderTrades

Siu Chris

SEC CIK 1389044 · EDGAR

Buying vs selling by month open-market trades, last 34 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
AEHRAEHR TEST SYSTEMSCFO, VP Fin 77.3K — $229.7K 382023-09-012026-09-01
UCTTUltra Clean Holdings, Inc.CAO, SVP 40.1K — — 52022-04-242022-05-31

Most active insiders at AEHR, 12 months

#InsiderTitleBoughtSold
1 Erickson GaynPres, CEO, Dir —$16.02M
2 SCOTT GEOFFREY GATESDir —$15.03M
3 POSEDEL RHEA JDir —$9.55M
4 SLAYEN HOWARD TDir —$5.92M
5 SALAMONE ALBERTOEVP, PPBI BUSINESS —$4.00M
6 ROGERS VERNONEVP of Sales, Mktg —$3.32M
7 ENGINEER ADILCOO —$3.10M
8 RICHMOND DONALD P. IIVP of Engineering —$2.33M
9 DANESH FARIBADir —$1.63M
10 OLIPHANT LAURADir —$1.12M
13 Siu ChrisCFO —$221.6K

Transactions 43

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-09-01 18:02 2026-09-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $76.59 -496 77.3K -0.6% -$38.0K
2026-07-13 17:51 2026-07-13 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $72.60 -988 77.8K -1% -$71.7K
M 2026-07-02 19:37 2026-07-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO A - Grant $0.00 +12.2K 82.2K +18% $0
M 2026-07-02 19:37 2026-07-01+ AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $79.51 -3,352 78.8K -4% -$266.5K
2026-06-01 19:31 2026-06-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $93.62 -350 69.9K -0.5% -$32.8K
2026-05-15 20:00 2026-05-14 AEHR AEHR TEST SYSTEMS Siu Chris CFO S - Sale $108.00 -470 70.3K -0.7% -$50.8K
I 2026-05-15 20:00 2026-05-14 AEHR AEHR TEST SYSTEMS Siu Chris CFO S - Sale $106.78 -1,600 5,706 -22% -$170.8K
2026-04-14 16:55 2026-04-11 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $70.43 -697 70.7K -1.0% -$49.1K
2026-04-02 20:25 2026-04-02 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $44.32 -821 71.4K -1% -$36.4K
I 2026-04-02 20:25 2026-04-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO J - Other $6.67 +2,095 7,306 +40% +$14.0K
2026-03-02 2026-03-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $37.43 -368 72.3K -0.5% -$13.8K
2026-01-12 2026-01-11 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $26.32 -799 72.6K -1% -$21.0K
2026-01-02 2026-01-02 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $22.16 -940 73.4K -1% -$20.8K
2025-12-01 2025-12-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $22.53 -349 74.4K -0.5% -$7,863
2025-10-14 2025-10-13 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $23.49 -695 74.7K -0.9% -$16.3K
2025-10-08 2025-10-02 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $32.25 -126 75.4K -0.2% -$4,064
2025-10-02 2025-10-02 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $32.25 -694 75.5K -0.9% -$22.4K
I 2025-10-01 2025-10-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO J - Other $6.67 +1,009 5,211 +24% +$6,730
2025-09-02 2025-09-02 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $24.88 -349 76.2K -0.5% -$8,683
2025-07-11 2025-07-11 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $14.11 -1,045 76.6K -1% -$14.7K
M 2025-07-03 2025-07-02 AEHR AEHR TEST SYSTEMS Siu Chris CFO A - Grant $0.00 +36.6K 72.8K +101% $0
2025-07-03 2025-07-02 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $15.13 -752 77.6K -1.0% -$11.4K
2025-06-02 2025-06-02 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $9.66 -524 41.8K -1% -$5,062
2025-04-11 2025-04-11 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $8.52 -836 41.6K -2% -$7,123
I 2025-04-02 2025-04-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO J - Other $6.67 +2,175 4,202 +107% +$14.5K
2025-03-03 2025-03-03 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $8.85 -420 42.4K -1.0% -$3,717
2025-01-14 2025-01-13 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $15.99 -836 42.8K -2% -$13.4K
2024-12-02 2024-12-02 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $12.70 -348 43.7K -0.8% -$4,420
2024-10-15 2024-10-11 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $16.02 -693 44.0K -2% -$11.1K
I 2024-10-03 2024-10-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO J - Other $10.42 +427 2,027 +27% +$4,449
2024-09-03 2024-09-03 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $13.51 -348 44.7K -0.8% -$4,701
2024-07-15 2024-07-11 AEHR AEHR TEST SYSTEMS Siu Chris CFO A - Grant $0.00 +31.0K 45.0K +222% $0
2024-06-13 2024-06-03 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $11.17 -339 14.0K -2% -$3,787
I 2024-04-02 2024-04-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO J - Other $10.50 +1,600 1,600 New +$16.8K
2024-03-01 2024-03-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO F - Tax $17.66 -397 14.3K -3% -$7,011
2023-12-07 2023-12-06 AEHR AEHR TEST SYSTEMS Siu Chris CFO, VP Fin S - Sale $25.27 -322 14.7K -2% -$8,137
2023-09-05 2023-09-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO, EXECUTIVE VP. Fin A - Grant $0.00 +15.6K 15.6K New $0
2023-09-05 2023-09-01 AEHR AEHR TEST SYSTEMS Siu Chris CFO, EXECUTIVE VP. Fin F - Tax $51.64 -503 15.1K -3% -$26.0K
2022-06-02 2022-05-31 UCTT Ultra Clean Holdings, Inc. Siu Chris CAO, SVP F - Tax $33.56 -3,986 40.1K -9% -$133.8K
2022-06-02 2022-05-06 UCTT Ultra Clean Holdings, Inc. Siu Chris CAO, SVP A - Grant $27.34 +439 44.1K +1% +$12.0K
2022-05-03 2022-04-29 UCTT Ultra Clean Holdings, Inc. Siu Chris CAO, SVP A - Grant $0.00 +6,235 44.4K +16% $0
M 2022-05-03 2022-04-30 UCTT Ultra Clean Holdings, Inc. Siu Chris CAO, SVP F - Tax $31.17 -702 43.7K -2% -$21.9K
M 2022-04-26 2022-04-24 UCTT Ultra Clean Holdings, Inc. Siu Chris CAO, SVP F - Tax $33.56 -2,264 39.8K -5% -$76.0K

Purchase Sale Sale after option exercise All abbreviations