Lam Yat Tung

CIK: 0001896205
Primary company: Credo Technology Group Holding Ltd (CRDO)

Lam Yat Tung is a corporate insider at Credo Technology Group Holding Ltd (CRDO) filing SEC Form 4 transactions. 337 transactions, totaling $0 in purchases and $293,663,151 in sales. Source: SEC EDGAR.

AI Insider Summary

Lam Yat Tung (CIK 0001896205) has filed 284 Form 4 transactions at Credo Technology Group Holding Ltd. (CRDO) since January 2022, and the file is almost entirely sell-side: 8,690,913 lifetime sell-side shares against zero buy-side events. The recent window contains two distinctive session-sized blocks that stand out from the smaller average lot: on December 11, 2025, he executed eight separate S-coded legs totaling approximately 289,891 shares at prices descending from $159.65 to $149.42 within a single declining-price arc — the largest being 107,300 shares at $154.37 and 79,315 shares at $152.54. On October 29, 2025, he sold roughly 77,900 shares in seven legs at prices from $165.61 to $171.58. Both sessions show the algorithmic dispersion signature of a 10b5-1 plan or broker-assisted program: multiple legs of varying size executed against a price-moving order book rather than a single block. His only recent non-sell event is a May 23, 2026 A-coded plan award of 50,000 shares — an inflow at the same time the broader liquidation is ongoing, suggesting residual equity still arriving through compensation even as the historical position is being wound down. The honest read is a systematic, multi-year CRDO liquidation with no market-direction buy activity in the file.

Lam's Form 4 universe is exclusively Credo Technology (284 transactions, one issuer), and the entire buy-side aggregate is zero. That is not a rounded number — it means there is no P-coded open-market buy, no option exercise that produced net-positive buy volume, and no A-plan award that survives the F-withholding offset. Every transaction in this file is a disposition event or a tax-settlement event.

The December 11, 2025 session: 289,891 shares in eight legs.

Analysis generated by 13F Insight from SEC Form 4 filing data. Methodology
Total Transactions
337
Total Buy Value
$0
Total Sell Value
$293.66M
Net Activity
$-293.66M
Last Transaction
Aug 2026
Companies
1

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
4,600
Price
$216.23
Value
$995K
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
11,600
Price
$215.10
Value
$2.50M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
9,100
Price
$213.99
Value
$1.95M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
8,254
Price
$213.04
Value
$1.76M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
3,805
Price
$212.14
Value
$807K
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
10,488
Price
$211.08
Value
$2.21M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
7,594
Price
$209.83
Value
$1.59M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
3,138
Price
$216.49
Value
$679K
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
10,669
Price
$215.37
Value
$2.30M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
5,431
Price
$214.61
Value
$1.17M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
12,300
Price
$213.46
Value
$2.63M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
5,724
Price
$212.38
Value
$1.22M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
6,950
Price
$211.06
Value
$1.47M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
5,788
Price
$210.06
Value
$1.22M
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
100
Price
$235.99
Value
$24K
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
700
Price
$235.33
Value
$165K
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
300
Price
$233.92
Value
$70K
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
2,300
Price
$232.70
Value
$535K
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
2,100
Price
$231.73
Value
$487K
Credo Technology Group Holding Ltd
CRDO
Type
Sale
Shares
1,600
Price
$230.63
Value
$369K