Lam Yat Tung
Chief Operating Officer
Lam Yat Tung has filed 20 SEC Form 4 filings (120 transaction rows) across 1 company, with disclosures dating back to 2025. 17 of those filings fall inside the rolling window. Most recent filing: Oct 9, 2026.
On the most recent filing, Lam Yat Tung is listed as Chief Operating Officer at Credo Technology Group Holding Ltd. Inside the rolling window, Lam Yat Tung reported no open-market purchases and 9 open-market sales totaling $157.7M in CRDO. The largest disclosed transaction in the window is a sale of 370,000 CRDO shares on Dec 11, 2025, worth $56.7M.
Companies traded
Other insiders at CRDO
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$157.7M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CRDO | Chief Operating Officer | Sale | 50,000 | $10.3M | Oct 2 | SEC ↗ | |
| CRDO | Chief Operating Officer | Sale | 100,000 | $20.6M | Sep 29 | SEC ↗ | |
| CRDO | Chief Operating Officer | Sale | 105,441 | $22.5M | Aug 4 | SEC ↗ | |
| CRDO | Chief Operating Officer | Sale | 105,898 | $23.9M | Jul 16 | SEC ↗ | |
| CRDO | Chief Operating Officer | Sale | 3,180 | $323K | Apr 6 | SEC ↗ | |
| CRDO | Chief Operating Officer | Sale | 3,180 | $323K | Apr 6 | SEC ↗ | |
| CRDO | Chief Operating Officer | Sale | 370,000 | $56.7M | Dec 15 | SEC ↗ | |
| CRDO | Chief Operating Officer | Sale | 80,000 | $13.5M | Oct 31 | SEC ↗ | |
| CRDO | Chief Operating Officer | Sale | 70,000 | $9.6M | Oct 24 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Oct 1, 2025 | CRDO | Sale | $380K |
| Oct 1, 2025 | CRDO | Sale | $3.2M |
| Oct 1, 2025 | CRDO | Sale | $4.5M |
| Oct 1, 2025 | CRDO | Sale | $2.7M |
| Oct 1, 2025 | CRDO | Sale | $666K |
Frequently asked questions
How many SEC Form 4 filings has Lam Yat Tung made?
Lam Yat Tung has filed 20 SEC Form 4 filings (120 transaction rows) across 1 company since 2025.
Which companies does Lam Yat Tung trade?
Lam Yat Tung has filed SEC Form 4 disclosures for 1 company, including CRDO.
When was Lam Yat Tung's most recent SEC Form 4 filing?
Lam Yat Tung's most recent SEC Form 4 filing on Tracefour is dated Oct 9, 2026.
What is Lam Yat Tung's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Lam Yat Tung is listed as Chief Operating Officer.
What is Lam Yat Tung's total buy and sell value in the current window?
Inside the rolling retention window, Lam Yat Tung bought $0 and sold $157.7M based on SEC Form 4 filings.
What was Lam Yat Tung's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 370,000 CRDO shares on 2025-12-11, worth $56.7M, per SEC Form 4 filings.