Comparable stake leader
Johnson Yiu Nam Lau
SEC ownership of Athenex, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001300699.
Disclosed value leader
Johnson Yiu Nam Lau
Comparable rows
0/19
Latest evidence
05 May 2023
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Johnson Yiu Nam Lau
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
05 May 2023
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001300699
- Issuer location
- Buffalo, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Athenex, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Johnson Yiu Nam Lau
Disclosed value leader
Johnson Yiu Nam Lau
Comparable rows
0/19
Latest evidence
05 May 2023
3/4/5
Highest disclosed value: $405,210
19 rows are not safely comparable across share classes.
Showing 1-8 of 19 holder rows.
Quick read
Johnson Yiu Nam Lau has the largest disclosed position value at $405.2K.
0 of 19 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Johnson Yiu Nam Lau's linked filing trail.
Disclosed position value
Top 5
Johnson Yiu Nam Lau
$405.2K
Jeffrey Yordon
$334.5K
Manson Fok
$204K
William Wei Zuo
$194.3K
Daniel Lang
$111K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 19 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Johnson Yiu Nam Lau |
3/4/5
CEO and Chairman of the Board, Director
|
—
mixed-class rows
|
$405,210
318,819 shares
mixed-class rows
|
— | 05 May 2023 |
| Jeffrey Yordon |
3/4/5
COO, and President, Athenex Pharmaceutical Division.
|
—
mixed-class rows
|
$334,482
433,443 shares
mixed-class rows
|
— | 03 Aug 2022 |
| Manson Fok |
3/4/5
Director
|
—
mixed-class rows
|
$203,972
153,350 shares
mixed-class rows
|
— | 21 Apr 2023 |
| William Wei Zuo |
3/4/5
President, China Division
|
—
mixed-class rows
|
$194,321
167,883 shares
mixed-class rows
|
— | 03 Aug 2021 |
| Daniel Lang |
3/4/5
Pres Cell Therapy, VP Corp Dev
|
—
mixed-class rows
|
$110,962
319,090 shares
mixed-class rows
|
— | 16 Sep 2022 |
| Rudolf Kwan |
3/4/5
EVP, Chief Medical Officer
|
—
mixed-class rows
|
$67,750
56,191 shares
mixed-class rows
|
— | 05 May 2023 |
| Jinn Wu |
3/4/5
Director
|
—
mixed-class rows
|
$47,331
35,552 shares
mixed-class rows
|
— | 21 Apr 2023 |
| Jordan Kanfer |
3/4/5
Director
|
—
mixed-class rows
|
$23,237
34,586 shares
mixed-class rows
|
— | 03 Aug 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 09 Jul 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-19 of 19 reporting-owner rows connected to Athenex, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
19
Largest Forms 3/4/5 holder
Johnson Yiu Nam Lau
Net 12M change
$0
Latest report
05 May 2023
Recent insider transactions for Athenex, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.