Lam Yat Tung
Director · Officer · CRDO
As of 2026-09-16, Lam Yat Tung has 176 Form 4 transactions on record across 1 company — 100 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 April in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
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
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-31 | CRDO | Sale | 12,300 @ $213.46 | $2.6M | −3.7% of holding | 319,238 | Form 4 |
| 2026-07-31 | CRDO | Sale | 11,600 @ $215.10 | $2.5M | −0.5% of holding | 2,533,769 | Form 4 |
| 2026-07-31 | CRDO | Sale | 10,669 @ $215.37 | $2.3M | −3.4% of holding | 303,138 | Form 4 |
| 2026-07-31 | CRDO | Sale | 10,488 @ $211.08 | $2.2M | −0.4% of holding | 2,566,528 | Form 4 |
| 2026-07-31 | CRDO | Sale | 9,100 @ $213.99 | $1.9M | −0.4% of holding | 2,545,369 | Form 4 |
| 2026-07-31 | CRDO | Sale | 8,254 @ $213.04 | $1.8M | −0.3% of holding | 2,554,469 | Form 4 |
| 2026-07-31 | CRDO | Sale | 7,594 @ $209.83 | $1.6M | −0.3% of holding | 2,577,016 | Form 4 |
| 2026-07-31 | CRDO | Sale | 6,950 @ $211.06 | $1.5M | −2.0% of holding | 337,262 | Form 4 |
| 2026-07-31 | CRDO | Sale | 5,788 @ $210.06 | $1.2M | −1.7% of holding | 344,212 | Form 4 |
| 2026-07-31 | CRDO | Sale | 5,724 @ $212.38 | $1.2M | −1.7% of holding | 331,538 | Form 4 |
| 2026-07-31 | CRDO | Sale | 5,431 @ $214.61 | $1.2M | −1.7% of holding | 313,807 | Form 4 |
| 2026-07-31 | CRDO | Sale | 4,600 @ $216.23 | $995K | −0.2% of holding | 2,529,169 | Form 4 |
| 2026-07-31 | CRDO | Sale | 3,805 @ $212.14 | $807K | −0.1% of holding | 2,562,723 | Form 4 |
| 2026-07-31 | CRDO | Sale | 3,138 @ $216.49 | $679K | −1.0% of holding | 300,000 | Form 4 |
| 2026-07-15 | CRDO | Sale | 10,494 @ $226.62 | $2.4M | −0.4% of holding | 2,601,677 | Form 4 |
| 2026-07-15 | CRDO | Sale | 9,299 @ $226.71 | $2.1M | −2.5% of holding | 364,337 | Form 4 |
| 2026-07-15 | CRDO | Sale | 6,767 @ $227.41 | $1.5M | −0.3% of holding | 2,594,910 | Form 4 |
| 2026-07-15 | CRDO | Sale | 6,400 @ $222.46 | $1.4M | −0.2% of holding | 2,623,508 | Form 4 |
| 2026-07-15 | CRDO | Sale | 5,537 @ $227.53 | $1.3M | −1.5% of holding | 358,800 | Form 4 |
| 2026-07-15 | CRDO | Sale | 5,566 @ $225.68 | $1.3M | −1.5% of holding | 373,636 | Form 4 |
| 2026-07-15 | CRDO | Sale | 5,600 @ $222.56 | $1.2M | −1.4% of holding | 384,200 | Form 4 |
| 2026-07-15 | CRDO | Sale | 5,348 @ $225.60 | $1.2M | −0.2% of holding | 2,612,171 | Form 4 |
| 2026-07-15 | CRDO | Sale | 4,080 @ $221.39 | $903K | −0.2% of holding | 2,629,908 | Form 4 |
| 2026-07-15 | CRDO | Sale | 4,038 @ $221.50 | $894K | −1.0% of holding | 389,800 | Form 4 |
| 2026-07-15 | CRDO | Sale | 3,275 @ $223.32 | $731K | −0.1% of holding | 2,620,233 | Form 4 |
| 2026-07-15 | CRDO | Sale | 3,075 @ $223.57 | $687K | −0.8% of holding | 381,125 | Form 4 |
| 2026-07-15 | CRDO | Sale | 2,714 @ $224.36 | $609K | −0.1% of holding | 2,617,519 | Form 4 |
| 2026-07-15 | CRDO | Sale | 2,717 @ $220.53 | $599K | −0.1% of holding | 2,633,988 | Form 4 |
| 2026-07-15 | CRDO | Sale | 2,662 @ $220.54 | $587K | −0.7% of holding | 393,838 | Form 4 |
| 2026-07-15 | CRDO | Sale | 2,600 @ $218.43 | $568K | −0.1% of holding | 2,638,008 | Form 4 |
| 2026-07-15 | CRDO | Sale | 2,300 @ $232.70 | $535K | −0.1% of holding | 2,585,710 | Form 4 |
| 2026-07-15 | CRDO | Sale | 2,200 @ $228.24 | $502K | −0.1% of holding | 2,592,710 | Form 4 |
| 2026-07-15 | CRDO | Sale | 2,276 @ $218.36 | $497K | −0.6% of holding | 397,724 | Form 4 |
| 2026-07-15 | CRDO | Sale | 2,100 @ $231.73 | $487K | −0.1% of holding | 2,588,010 | Form 4 |
| 2026-07-15 | CRDO | Sale | 2,003 @ $231.85 | $464K | −0.6% of holding | 352,700 | Form 4 |
| 2026-07-15 | CRDO | Sale | 1,923 @ $224.60 | $432K | −0.5% of holding | 379,202 | Form 4 |
| 2026-07-15 | CRDO | Sale | 1,797 @ $230.68 | $415K | −0.5% of holding | 354,703 | Form 4 |
| 2026-07-15 | CRDO | Sale | 1,600 @ $232.75 | $372K | −0.5% of holding | 351,100 | Form 4 |
| 2026-07-15 | CRDO | Sale | 1,600 @ $230.63 | $369K | −0.1% of holding | 2,590,110 | Form 4 |
| 2026-07-15 | CRDO | Sale | 1,500 @ $228.33 | $342K | −0.4% of holding | 357,300 | Form 4 |
| 2026-07-15 | CRDO | Sale | 1,303 @ $219.20 | $286K | −0.0% of holding | 2,636,705 | Form 4 |
| 2026-07-15 | CRDO | Sale | 1,224 @ $219.27 | $268K | −0.3% of holding | 396,500 | Form 4 |
| 2026-07-15 | CRDO | Sale | 1,000 @ $229.35 | $229K | −0.0% of holding | 2,591,710 | Form 4 |
| 2026-07-15 | CRDO | Sale | 800 @ $229.48 | $184K | −0.2% of holding | 356,500 | Form 4 |
| 2026-07-15 | CRDO | Sale | 700 @ $235.33 | $165K | −0.0% of holding | 2,584,710 | Form 4 |
| 2026-07-15 | CRDO | Sale | 700 @ $235.27 | $165K | −0.2% of holding | 350,100 | Form 4 |
| 2026-07-15 | CRDO | Sale | 300 @ $233.92 | $70K | −0.0% of holding | 2,585,410 | Form 4 |
| 2026-07-15 | CRDO | Sale | 300 @ $233.87 | $70K | −0.1% of holding | 350,800 | Form 4 |
| 2026-07-15 | CRDO | Sale | 100 @ $235.99 | $24K | −0.0% of holding | 350,000 | Form 4 |
| 2026-07-15 | CRDO | Sale | 100 @ $235.99 | $24K | −0.0% of holding | 2,584,610 | Form 4 |
| 2026-04-05 | CRDO | Sale | 3,180 @ $101.45 | $323K | −0.1% of holding | 2,610,329 | Form 4 |
| 2026-04-02 | CRDO | Sale | 3,180 @ $101.45 | $323K | −0.1% of holding | 2,613,509 | Form 4 |
| 2025-12-11 | CRDO | Sale | 107,300 @ $154.37 | $16.6M | −20.0% of holding | 428,939 | Form 4 |
| 2025-12-11 | CRDO | Sale | 79,315 @ $152.54 | $12.1M | −11.5% of holding | 608,164 | Form 4 |
| 2025-12-11 | CRDO | Sale | 71,925 @ $153.44 | $11.0M | −11.8% of holding | 536,239 | Form 4 |
| 2025-12-11 | CRDO | Sale | 31,189 @ $151.38 | $4.7M | −4.3% of holding | 687,479 | Form 4 |
| 2025-12-11 | CRDO | Sale | 29,135 @ $150.52 | $4.4M | −3.9% of holding | 718,668 | Form 4 |
| 2025-12-11 | CRDO | Sale | 22,197 @ $149.42 | $3.3M | −2.9% of holding | 747,803 | Form 4 |
| 2025-12-11 | CRDO | Sale | 8,668 @ $156.41 | $1.4M | −2.0% of holding | 416,156 | Form 4 |
| 2025-12-11 | CRDO | Sale | 5,863 @ $159.65 | $936K | −1.4% of holding | 400,000 | Form 4 |
| 2025-12-11 | CRDO | Sale | 5,200 @ $158.58 | $825K | −1.3% of holding | 405,863 | Form 4 |
| 2025-12-11 | CRDO | Sale | 5,093 @ $157.48 | $802K | −1.2% of holding | 411,063 | Form 4 |
| 2025-12-11 | CRDO | Sale | 4,115 @ $155.14 | $638K | −1.0% of holding | 424,824 | Form 4 |
| 2025-10-29 | CRDO | Sale | 19,164 @ $169.81 | $3.3M | −2.4% of holding | 792,647 | Form 4 |
| 2025-10-29 | CRDO | Sale | 15,466 @ $168.79 | $2.6M | −1.9% of holding | 811,811 | Form 4 |
| 2025-10-29 | CRDO | Sale | 14,343 @ $167.80 | $2.4M | −1.7% of holding | 827,277 | Form 4 |
| 2025-10-29 | CRDO | Sale | 12,675 @ $170.72 | $2.2M | −1.6% of holding | 779,972 | Form 4 |
| 2025-10-29 | CRDO | Sale | 9,972 @ $171.58 | $1.7M | −1.3% of holding | 770,000 | Form 4 |
| 2025-10-29 | CRDO | Sale | 6,280 @ $166.82 | $1.0M | −0.7% of holding | 841,620 | Form 4 |
| 2025-10-29 | CRDO | Sale | 2,100 @ $165.61 | $348K | −0.2% of holding | 847,900 | Form 4 |
| 2025-10-22 | CRDO | Sale | 12,597 @ $137.66 | $1.7M | −1.4% of holding | 867,599 | Form 4 |
| 2025-10-22 | CRDO | Sale | 12,782 @ $134.70 | $1.7M | −1.4% of holding | 899,160 | Form 4 |
| 2025-10-22 | CRDO | Sale | 11,715 @ $135.76 | $1.6M | −1.3% of holding | 887,445 | Form 4 |
| 2025-10-22 | CRDO | Sale | 7,249 @ $136.67 | $991K | −0.8% of holding | 880,196 | Form 4 |
| 2025-10-22 | CRDO | Sale | 6,658 @ $133.85 | $891K | −0.7% of holding | 911,942 | Form 4 |
| 2025-10-22 | CRDO | Sale | 4,989 @ $138.55 | $691K | −0.6% of holding | 862,610 | Form 4 |
| 2025-10-22 | CRDO | Sale | 2,684 @ $145.25 | $390K | −0.3% of holding | 853,126 | Form 4 |
| 2025-10-22 | CRDO | Sale | 2,400 @ $143.30 | $344K | −0.3% of holding | 857,610 | Form 4 |
| 2025-10-22 | CRDO | Sale | 2,305 @ $146.54 | $338K | −0.3% of holding | 850,821 | Form 4 |
| 2025-10-22 | CRDO | Sale | 1,800 @ $144.27 | $260K | −0.2% of holding | 855,810 | Form 4 |
21 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-07-05 | CRDO | Withheld for tax | 3,181 | 2,640,608 | Form 4 |
| 2026-07-01 | CRDO | Withheld for tax | 3,180 | 2,643,789 | Form 4 |
| 2026-06-23 | CRDO | Gift | 7,000 | 2,646,969 | Form 4 |
| 2026-06-10 | CRDO | Withheld for tax | 6,360 | 2,653,969 | Form 4 |
| 2026-05-23 | CRDO | Award / grant | 50,000 | 2,660,329 | Form 4 |
| 2026-01-05 | CRDO | Withheld for tax | 3,062 | 2,616,689 | Form 4 |
| 2026-01-02 | CRDO | Withheld for tax | 2,304 | 2,619,751 | Form 4 |
| 2025-10-05 | CRDO | Withheld for tax | 3,174 | 2,622,055 | Form 4 |
| 2025-10-02 | CRDO | Withheld for tax | 3,174 | 2,625,229 | Form 4 |
| 2025-09-01 | CRDO | Withheld for tax | 3,174 | 2,628,403 | Form 4 |
| 2025-07-07 | CRDO | Gift | 125,000 | 125,000 | Form 4 |
| 2025-07-07 | CRDO | Gift | 125,000 | 2,631,577 | Form 4 |
| 2025-07-05 | CRDO | Withheld for tax | 3,174 | 2,756,577 | Form 4 |
| 2025-07-02 | CRDO | Withheld for tax | 3,174 | 2,759,751 | Form 4 |
| 2025-06-01 | CRDO | Withheld for tax | 3,174 | 2,762,925 | Form 4 |
| 2025-04-09 | CRDO | Gift | 20,000 | 2,766,099 | Form 4 |
| 2025-04-05 | CRDO | Withheld for tax | 3,174 | 2,786,099 | Form 4 |
| 2025-04-02 | CRDO | Withheld for tax | 3,174 | 2,789,273 | Form 4 |
| 2025-03-01 | CRDO | Withheld for tax | 3,174 | 2,812,447 | Form 4 |
| 2025-01-05 | CRDO | Withheld for tax | 3,174 | 2,835,621 | Form 4 |
| 2025-01-02 | CRDO | Withheld for tax | 10,709 | 2,838,795 | Form 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.