RICHARDSON DAVID JEFFREY

Director · AMBA, KLIC, LSCC

As of 2026-09-16, RICHARDSON DAVID JEFFREY has 24 Form 4 transactions on record across 3 companies — 15 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: $1.1MIndirect: $5.8M$6.9Mas of 2026-09-16
  • Direct $1.1M
  • Indirect $5.8M
LSCCindirect25,738 sh$2.7M
AMBAindirect25,812 sh$1.6M
KLICindirect17,694 sh$1.4M
LSCCdirect5,945 sh$632K
AMBAdirect5,649 sh$355K
KLICdirect1,958 sh$156K

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

KLIC · 10 trades
2026-07-06: Award / grant, 407 sh ($0)2026-04-06: Award / grant, 675 sh ($0)2026-02-25: Sale, 9,364 sh ($676K)2026-01-05: Award / grant, 876 sh ($0)2025-12-18: Gift, 5,665 sh ($0)2025-12-18: Gift, 5,665 sh ($0)2025-10-06: Award / grant, 1,081 sh ($0)2025-07-01: Award / grant, 1,260 sh ($0)2025-04-01: Award / grant, 1,343 sh ($0)2025-01-02: Award / grant, 956 sh ($0)
LSCC · 8 trades
2026-05-04: Award / grant, 1,752 sh ($0)2026-02-25: Sale, 11,299 sh ($1.1M)2026-02-25: Sale, 1,480 sh ($150K)2025-12-12: Gift, 2,671 sh ($0)2025-12-12: Gift, 2,671 sh ($0)2025-05-06: Option exercise, 2,671 sh ($0)2025-05-06: Option exercise, 2,671 sh ($0)2025-05-05: Award / grant, 4,193 sh ($0)
AMBA · 6 trades
2026-09-08: Award / grant, 3,151 sh ($0)2025-12-15: Gift, 2,531 sh ($0)2025-12-15: Gift, 2,531 sh ($0)2025-09-02: Award / grant, 2,498 sh ($0)2025-01-15: Gift, 1,648 sh ($0)2025-01-15: Gift, 1,648 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-02-25LSCCSale11,299 @ $100.66$1.1M−29.3% of holding27,218Form 4
2026-02-25KLICSale9,364 @ $72.19$676K−34.6% of holding17,694Form 4
2026-02-25LSCCSale1,480 @ $101.21$150K−5.4% of holding25,738Form 4
21 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-08AMBAAward / grant3,1515,649Form 4
2026-07-06KLICAward / grant4071,958Form 4
2026-05-04LSCCAward / grant1,7525,945Form 4
2026-04-06KLICAward / grant6751,551Form 4
2026-01-05KLICAward / grant876876Form 4
2025-12-18KLICGift5,66527,058Form 4
2025-12-18KLICGift5,6650Form 4
2025-12-15AMBAGift2,5312,498Form 4
2025-12-15AMBAGift2,53125,812Form 4
2025-12-12LSCCGift2,67138,517Form 4
2025-12-12LSCCGift2,6714,193Form 4
2025-10-06KLICAward / grant1,0815,665Form 4
2025-09-02AMBAAward / grant2,4985,029Form 4
2025-07-01KLICAward / grant1,2604,584Form 4
2025-05-06LSCCOption exercise2,6710Form 4
2025-05-06LSCCOption exercise2,6716,864Form 4
2025-05-05LSCCAward / grant4,1934,193Form 4
2025-04-01KLICAward / grant1,3433,324Form 4
2025-01-15AMBAGift1,6482,531Form 4
2025-01-15AMBAGift1,64823,281Form 4
2025-01-02KLICAward / grant9561,981Form 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.