Quick Takeaways
- This page summarizes Mo Qatanani's Form 4 filing for Scholar Rock Holding Corp (SRRK).
- 2 reported transactions and 0 derivative rows are listed below.
- Filing timestamp: 23 Jan 2026, 16:30.
Mo Qatanani - 22 Jan 2026 Form 4 Insider Report for Scholar Rock Holding Corp (SRRK)
- Signature
- /s/ Junlin Ho, Attorney-in-Fact for Mo Qatanani
- Issuer symbol
- SRRK
- Transactions as of
- 22 Jan 2026
- Net transactions value
- -$695,938
- Form type
- 4
- Filing time
- 23 Jan 2026, 16:30:19 UTC
- Previous filing
- 21 Jan 2026
- Next filing
- 11 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"Mo Qatanani filed Form 4 for Scholar Rock Holding Corp (SRRK) on 23 Jan 2026."
What Changed
- Previous filing in this sequence was filed on 21 Jan 2026.
- Current net transaction value: -$695,938.
Why This Matters
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Official SEC Source
Reporting Owners (1)
| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Qatanani Mo | CHIEF SCIENTIFIC OFFICER | 301 BINNEY STREET, CAMBRIDGE | /s/ Junlin Ho, Attorney-in-Fact for Mo Qatanani | 23 Jan 2026 | 0001980298 |
Transactions Table
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SRRK | Common Stock | Sale | $97,189 | -2,119 | -2.1% | $45.87 | 98,439 | 22 Jan 2026 | Direct | F1, F2, F3 |
| transaction | SRRK | Common Stock | Sale | $598,749 | -12,779 | -13% | $46.85 | 85,660 | 22 Jan 2026 | Direct | F1, F4, F5 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
Explanation of Responses:
| Id | Content |
|---|---|
| F1 | This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025. |
| F2 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $45.43 to $46.42, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request. |
| F3 | Consists of 12,779 shares of common stock and 85,660 RSUs. |
| F4 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.43 to $47.31, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request. |
| F5 | Consists of 85,660 RSUs. |