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Scholar Rock (SRRK) director Katie Peng granted RSUs and stock options

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Director Katie Peng received new equity awards from Scholar Rock Holding Corp6,839 restricted stock units (RSUs), each representing one future share of common stock. These RSUs vest on the earlier of June 15, 2027 or the company’s next Annual Meeting, subject to continued service.

Peng was also granted 4,310 stock options to buy common stock at an exercise price of $45.33 per share, expiring on June 4, 2036. The options vest and become fully exercisable on the earlier of the first anniversary of the grant date or the next Annual Meeting, again subject to continued service. After these grants, she holds 39,747 shares/RSUs-equivalent in total, consisting of 26,201 common shares and 13,546 RSUs, plus 4,310 stock options.

Positive

  • None.

Negative

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Insider Peng Katie
Role null
Type Security Shares Price Value
Grant/Award Stock Option (Right to Buy) 4,310 $0.00 --
Grant/Award Common Stock 6,839 $0.00 --
Holdings After Transaction: Stock Option (Right to Buy) — 4,310 shares (Direct, null); Common Stock — 39,747 shares (Direct, null)
Footnotes (1)
  1. Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to continued service to the Issuer through such date. Consists of 26,201 shares of common stock and 13,546 RSUs. Options to vest and become fully exercisable on the earlier of the first anniversary following the date of grant or on the date of the Issuer's next Annual Meeting, subject to continued service to the Issuer through such date.
RSUs granted 6,839 RSUs Award to director Katie Peng on June 4, 2026
Options granted 4,310 options Stock Option (Right to Buy) on June 4, 2026
Option exercise price $45.33 per share Conversion/exercise price for 4,310 options
Option expiration June 4, 2036 Expiration date of stock options
Total holdings after grant 39,747 shares/RSUs 26,201 common shares and 13,546 RSUs following transactions
Existing RSUs after grant 13,546 RSUs Part of total 39,747 common stock/RSUs-equivalent units
restricted stock unit ("RSU") financial
"Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting..."
Stock Option (Right to Buy) financial
"Stock Option (Right to Buy) with an exercise price of 45.3300..."
Annual Meeting financial
"vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting..."
A company's annual meeting is a yearly gathering where owners (shareholders) and the board review performance, ask questions, and vote on key matters like electing directors, approving auditor choices, and sometimes setting pay or dividend policies. For investors it matters because decisions made and votes cast can change who runs the company, influence strategy and payouts, and affect the value or direction of their investment—similar to a homeowners’ meeting where rules and leaders that shape your property’s value are decided.
exercise price financial
"conversion_or_exercise_price": "45.3300""
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
contingent right financial
"represents the contingent right to receive, upon vesting of the RSU, one share..."
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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a 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). See Instruction 10.
1. Name and Address of Reporting Person*
Peng Katie

(Last)(First)(Middle)
301 BINNEY STREET

(Street)
CAMBRIDGE MASSACHUSETTS 02142

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Scholar Rock Holding Corp [ SRRK ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock06/04/2026A6,839(1)A$0.0039,747(2)D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$45.3306/04/2026A4,310 (3)06/04/2036Common Stock4,310$04,310D
Explanation of Responses:
1. Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to continued service to the Issuer through such date.
2. Consists of 26,201 shares of common stock and 13,546 RSUs.
3. Options to vest and become fully exercisable on the earlier of the first anniversary following the date of grant or on the date of the Issuer's next Annual Meeting, subject to continued service to the Issuer through such date.
/s/ Junlin Ho, Attorney-in-Fact for Katie Peng06/08/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Scholar Rock (SRRK) director Katie Peng acquire in this Form 4?

Katie Peng received 6,839 RSUs and 4,310 stock options from Scholar Rock. The RSUs convert into common shares upon vesting, while the options allow future share purchases at a fixed exercise price of $45.33 per share before expiration.

When do Katie Peng’s new RSUs from Scholar Rock (SRRK) vest?

The 6,839 RSUs vest on the earlier of June 15, 2027 or Scholar Rock’s next Annual Meeting. Vesting is conditioned on Peng continuing to serve the company through that date, aligning the award with ongoing board service.

What are the key terms of Katie Peng’s new stock options at Scholar Rock (SRRK)?

Peng’s 4,310 stock options have an exercise price of $45.33 per share and expire on June 4, 2036. They vest and become fully exercisable on the earlier of one year after grant or the next Annual Meeting, subject to continued service.

How many Scholar Rock (SRRK) shares and RSUs does Katie Peng hold after these grants?

Following the grants, Peng holds 39,747 common stock/RSU-equivalent units, consisting of 26,201 common shares and 13,546 RSUs. She also holds 4,310 stock options that, once vested and exercised, could convert into additional common shares.

Are Katie Peng’s Scholar Rock (SRRK) equity awards open-market purchases or compensation grants?

The Form 4 classifies both transactions as grants or awards, not open-market purchases. They represent compensation-related equity given by Scholar Rock, with no cash paid per share at grant and vesting tied to continued service.