Comparable stake leader
PERCEPTIVE ADVISORS LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001831283.
Comparable stake leader
PERCEPTIVE ADVISORS LLC
Disclosed value leader
Neil Kumar
Comparable rows
0/14
Latest evidence
31 Mar 2026
Ownership snapshot
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.
Quick read
0 of 14 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.
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC |
3/4/5
Director, 10%+ Owner
|
—
mixed-class rows
|
$81,310
3,745,573 shares
mixed-class rows
|
— | 15 Feb 2024 |
| Neil Kumar |
3/4/5
Director
|
—
class O/S missing
|
$8,270,616
5,002,792 shares
|
— | 29 Oct 2021 |
| Anastasios Gianakakos |
3/4/5
Director
|
—
class O/S missing
|
$1,729,084
363,253 shares
|
— | 15 Feb 2024 |
| Debra Yu |
3/4/5
President & Chief Strategy Officer
|
—
mixed-class rows
|
$1,653,200
1,999,947 shares
mixed-class rows
|
— | 04 May 2022 |
| Yizhe Wang |
3/4/5
Chief Executive Officer, Director
|
—
class O/S missing
|
$1,500,276
907,498 shares
|
— | 29 Mar 2023 |
| Yi Larson |
3/4/5
Chief Financial Officer
|
—
class O/S missing
|
$538,780
325,901 shares
|
— | 29 Mar 2023 |
| Jiang Qian |
3/4/5
SVP, China General Manager
|
—
class O/S missing
|
$481,666
291,354 shares
|
— | 29 Mar 2023 |
| Brianne Jahn |
3/4/5
Chief Business Officer
|
—
class O/S missing
|
$370,325
224,005 shares
|
— | 29 Mar 2023 |
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 buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 16 Jun 2025.
| 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
Showing 1-14 of 14 reporting-owner rows connected to LianBio. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Neil Kumar | Director | $8,270,616 | Mixed | 29 Oct 2021 | ||
| Anastasios Gianakakos | Director | $1,729,084 | Mixed | 15 Feb 2024 | ||
| Debra Yu | President & Chief Strategy Officer | $1,653,200 | Mixed | 04 May 2022 | ||
| Yizhe Wang | Chief Executive Officer, Director | $1,500,276 | Mixed | 29 Mar 2023 | ||
| Yi Larson | Chief Financial Officer | $538,780 | Mixed | 29 Mar 2023 | ||
| Jiang Qian | SVP, China General Manager | $481,666 | Mixed | 29 Mar 2023 | ||
| Brianne Jahn | Chief Business Officer | $370,325 | Mixed | 29 Mar 2023 | ||
| PERCEPTIVE ADVISORS LLC | Director, 10%+ Owner | $81,310 | Mixed | 15 Feb 2024 | ||
| Konstantin Poukalov | Director | $81,310 | Mixed | 15 Feb 2024 | ||
| Susan Michele Silbermann | Director | $81,310 | Mixed | 15 Feb 2024 | ||
| Adam Leo Stone | Interim CEO, Director | $81,310 | Mixed | 15 Feb 2024 | ||
| Ehong Gu | Interim CFO | $0 | Mixed | 02 Jan 2024 | ||
| Wei Wei Chen | Director | Mixed | 21 Jun 2023 | |||
| Jesse Wu | Director | Mixed | 31 Oct 2021 |
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. | ||||||||||