CHUNG T J

Director · LFUS, AIRG

As of 2026-09-16, CHUNG T J has 28 Form 4 transactions on record across 2 companies — 13 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: $7.7MIndirect: $0$7.7Mas of 2026-09-16
  • Direct $7.7M
  • Indirect $0
LFUSdirect19,320 sh$7.7M
AIRGdirect12,660 sh$67K

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

LFUS · 22 trades
2026-09-03: Award / grant, 17 sh ($7K)2026-09-03: Award / grant, 1 sh ($414)2026-06-04: Award / grant, 10 sh ($5K)2026-06-04: Award / grant, 3 sh ($1K)2026-04-22: Award / grant, 482 sh ($0)2026-03-05: Award / grant, 21 sh ($7K)2026-03-05: Award / grant, 2 sh ($647)2025-12-05: Award / grant, 25 sh ($6K)2025-12-05: Award / grant, 3 sh ($777)2025-09-05: Award / grant, 25 sh ($6K)2025-09-05: Award / grant, 3 sh ($779)2025-08-11: Sale, 1,664 sh ($410K)2025-08-11: Option exercise, 1,432 sh ($189K)2025-08-11: Option exercise, 911 sh ($182K)2025-08-11: Sale, 679 sh ($167K)2025-08-11: Option exercise, 1,432 sh ($0)2025-08-11: Option exercise, 911 sh ($0)2025-06-05: Award / grant, 27 sh ($6K)2025-06-05: Award / grant, 3 sh ($643)2025-04-24: Award / grant, 1,019 sh ($0)2025-03-07: Other acquisition, 20 sh ($4K)2024-12-06: Other acquisition, 25 sh ($6K)
AIRG · 6 trades
2026-02-02: Award / grant, 7,257 sh ($0)2026-02-02: Award / grant, 12,660 sh ($0)2026-01-02: Award / grant, 2,308 sh ($0)2025-10-01: Award / grant, 2,183 sh ($0)2025-02-01: Award / grant, 4,203 sh ($0)2025-02-01: Award / grant, 7,706 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-08-11LFUSSale1,664 @ $246.46$410K−8.2% of holding18,730Form 4
2025-08-11LFUSSale679 @ $245.24$167K−3.2% of holding20,394Form 4
26 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-03LFUSAward / grant1719,319Form 4
2026-09-03LFUSAward / grant119,320Form 4
2026-06-04LFUSAward / grant1019,301Form 4
2026-06-04LFUSAward / grant319,304Form 4
2026-04-22LFUSAward / grant48219,291Form 4
2026-03-05LFUSAward / grant2118,807Form 4
2026-03-05LFUSAward / grant218,809Form 4
2026-02-02AIRGAward / grant7,25751,015Form 4
2026-02-02AIRGAward / grant12,66012,660Form 4
2026-01-02AIRGAward / grant2,30843,758Form 4
2025-12-05LFUSAward / grant2518,786Form 4
2025-12-05LFUSAward / grant318,761Form 4
2025-10-01AIRGAward / grant2,18341,450Form 4
2025-09-05LFUSAward / grant2518,755Form 4
2025-09-05LFUSAward / grant318,758Form 4
2025-08-11LFUSOption exercise1,43221,073Form 4
2025-08-11LFUSOption exercise91119,641Form 4
2025-08-11LFUSOption exercise1,4320Form 4
2025-08-11LFUSOption exercise9110Form 4
2025-06-05LFUSAward / grant2718,730Form 4
2025-06-05LFUSAward / grant318,703Form 4
2025-04-24LFUSAward / grant1,01918,700Form 4
2025-03-07LFUSOther acquisition2017,681Form 4
2025-02-01AIRGAward / grant4,20339,267Form 4
2025-02-01AIRGAward / grant7,7067,706Form 4
2024-12-06LFUSOther acquisition2517,661Form 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.