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Savitz Ryan

Disclosed activity across 1 company

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30813
SEC CIK
0001992324

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Dianthus Therapeutics, Inc. /DE/DNTH · Entity 1813EVP, CFO & CBOJuly 09, 2026July 13, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Dianthus Therapeutics, Inc. /DE/

Report date July 09, 2026 · Filed July 13, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect0 Ending reported balance After 2026-07-09 transaction · row 4
4 source rows · reconciled sequence

Row 1 · 2026-07-09 · Exercise / conversion · Acquired 31,249 · Balance 31,249

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

Row 2 · 2026-07-09 · Sale · Disposed 10,354 · Balance 20,895

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F2: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $99.75 to $100.74, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Row 3 · 2026-07-09 · Sale · Disposed 15,329 · Balance 5,566

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F3: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $100.78 to $101.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Row 4 · 2026-07-09 · Sale · Disposed 5,566 · Balance 0

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F4: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $101.95 to $102.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $21.77 · Expires 2034-05-22Direct68,751 Reported balance After 2026-07-09 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2026-07-09 · Exercise / conversion · Disposed 31,249 · Balance 68,751

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F5: The shares of common stock underlying this stock option award vest in equal monthly installments over the four years after May 1, 2024, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F2: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $99.75 to $100.74, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

F3: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $100.78 to $101.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

F4: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $101.95 to $102.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

F5: The shares of common stock underlying this stock option award vest in equal monthly installments over the four years after May 1, 2024, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
July 09, 2026 Filed Jul 13, 2026 21:00 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionStock Option (Right to Buy) · Derivative 31,249 $0.00 Strike: $21.77 $0.00
Disclosure

SEC source: 0001992324-26-000008 · ownership.xml · derivative · entry 5

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,751

Underlying: Common Stock · 31,249 shares

Expires 2034-05-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F5 · derivative.exercise_date: The shares of common stock underlying this stock option award vest in equal monthly installments over the four years after May 1, 2024, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
July 09, 2026 Filed Jul 13, 2026 21:00 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 5,566 $101.97 $567,565.02
Disclosure

SEC source: 0001992324-26-000008 · ownership.xml · nonDerivative · entry 4

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F4 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $101.95 to $102.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
July 09, 2026 Filed Jul 13, 2026 21:00 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 15,329 $101.24 $1,551,907.96
Disclosure

SEC source: 0001992324-26-000008 · ownership.xml · nonDerivative · entry 3

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,566

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F3 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $100.78 to $101.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
July 09, 2026 Filed Jul 13, 2026 21:00 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 10,354 $100.22 $1,037,677.88
Disclosure

SEC source: 0001992324-26-000008 · ownership.xml · nonDerivative · entry 2

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,895

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F2 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $99.75 to $100.74, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
July 09, 2026 Filed Jul 13, 2026 21:00 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionCommon Stock 31,249 $21.77 $680,290.73
Disclosure

SEC source: 0001992324-26-000008 · ownership.xml · nonDerivative · entry 1

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,249

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

Read SEC document
April 09, 2026 Filed Apr 10, 2026 20:52 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionStock Option (Right to Buy) · Derivative 8,224 $0.00 Strike: $17.88 $0.00
Disclosure

SEC source: 0001992324-26-000006 · ownership.xml · derivative · entry 3

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 71,776

Underlying: Common Stock · 8,224 shares

Expires 2034-01-23

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F3 · derivative.exercise_date: The shares of common stock underlying this stock option award vest in equal monthly installments over the four years after January 1, 2024, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
April 09, 2026 Filed Apr 10, 2026 20:52 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 8,224 $89.84 $738,844.16
Disclosure

SEC source: 0001992324-26-000006 · ownership.xml · nonDerivative · entry 2

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F2 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.75 to $89.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
April 09, 2026 Filed Apr 10, 2026 20:52 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionCommon Stock 8,224 $17.88 $147,045.12
Disclosure

SEC source: 0001992324-26-000006 · ownership.xml · nonDerivative · entry 1

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,224

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionStock Option (Right to Buy) · Derivative 40,000 $0.00 Strike: $17.88 $0.00
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · derivative · entry 12

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 80,000

Underlying: Common Stock · 40,000 shares

Expires 2034-01-23

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F11 · derivative.exercise_date: The shares of common stock underlying this stock option award vest in equal monthly installments over the four years after January 1, 2024, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionStock Option (Right to Buy) · Derivative 74,367 $0.00 Strike: $8.44 $0.00
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · derivative · entry 11

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,399

Underlying: Common Stock · 74,367 shares

Expires 2032-06-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F10 · derivative.exercise_date: The shares of common stock underlying this stock option award vested as to 25% of the shares on June 2, 2023, with the remaining three quarters vesting in equal monthly installments over the following three years, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 7,232 $85.54 $618,625.28
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · nonDerivative · entry 10

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F9 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.25 to $85.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 19,469 $84.57 $1,646,493.33
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · nonDerivative · entry 9

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,232

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F8 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $84.25 to $85.24, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 59,800 $83.90 $5,017,220.00
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · nonDerivative · entry 8

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26,701

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F7 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $83.25 to $84.24, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 2,366 $82.84 $195,999.44
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · nonDerivative · entry 7

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 86,501

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F6 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $82.25 to $83.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 800 $81.36 $65,088.00
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · nonDerivative · entry 6

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 88,867

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F5 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.15 to $81.52, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 1,485 $80.25 $119,171.25
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · nonDerivative · entry 5

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 89,667

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F4 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.11 to $81.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 21,825 $78.86 $1,721,119.50
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · nonDerivative · entry 4

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 91,152

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F3 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $78.74 to $79.66, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 1,390 $78.33 $108,878.70
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · nonDerivative · entry 3

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 112,977

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

F2 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $77.74 to $78.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionCommon Stock 40,000 $17.88 $715,200.00
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · nonDerivative · entry 2

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,367

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:26 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionCommon Stock 74,367 $8.44 $627,657.48
Disclosure

SEC source: 0001992324-26-000004 · ownership.xml · nonDerivative · entry 1

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 74,367

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 30, 2025.

Read SEC document
February 03, 2026 Filed Feb 4, 2026 22:40 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 GrantStock Option (Right to Buy) · Derivative 150,000 $0.00 Strike: $52.46 $0.00
Disclosure

SEC source: 0001992324-26-000002 · ownership.xml · derivative · entry 1

Savitz Ryan · CIK 0001992324 · EVP, CFO & CBO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Stock · 150,000 shares

Expires 2036-02-03

F1 · derivative.exercise_date: The shares of common stock underlying this stock option award will vest in equal monthly installments over the four years after January 1, 2026, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
December 04, 2025 Filed Dec 6, 2025 01:00 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionStock Option (Right to Buy) · Derivative 20,000 $0.00 Strike: $8.44 $0.00
Disclosure

SEC source: 0001992324-25-000005 · ownership.xml · derivative · entry 3

Savitz Ryan · CIK 0001992324 · CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 84,766

Underlying: Common Stock · 20,000 shares

Expires 2032-06-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 31, 2025.

F3 · derivative.exercise_date: The shares of common stock underlying this stock option award vested as to 25% of the shares on June 2, 2023, with the remaining three quarters vesting in equal monthly installments over the following three years, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
December 04, 2025 Filed Dec 6, 2025 01:00 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 20,000 $45.18 $903,600.00
Disclosure

SEC source: 0001992324-25-000005 · ownership.xml · nonDerivative · entry 2

Savitz Ryan · CIK 0001992324 · CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 31, 2025.

F2 · price: The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $45.00 to $45.43, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Read SEC document
December 04, 2025 Filed Dec 6, 2025 01:00 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionCommon Stock 20,000 $8.44 $168,800.00
Disclosure

SEC source: 0001992324-25-000005 · ownership.xml · nonDerivative · entry 1

Savitz Ryan · CIK 0001992324 · CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 31, 2025.

Read SEC document
September 23, 2025 Filed Sep 26, 2025 00:02 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 GrantStock Option (Right to Buy) · Derivative 60,000 $0.00 Strike: $37.87 $0.00
Disclosure

SEC source: 0001992324-25-000003 · ownership.xml · derivative · entry 1

Savitz Ryan · CIK 0001992324 · CFO & CBO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,000

Underlying: Common Stock · 60,000 shares

Expires 2035-09-23

F1 · derivative.exercise_date: The shares of common stock underlying this stock option award will vest in equal monthly installments over the four years after September 23, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
September 09, 2025 Filed Sep 11, 2025 21:20 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionStock Option (Right to Buy) · Derivative 20,000 $0.00 Strike: $8.44 $0.00
Disclosure

SEC source: 0000950170-25-114293 · ownership.xml · derivative · entry 3

Savitz Ryan · CIK 0001992324 · CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 104,766

Underlying: Common Stock · 20,000 shares

Expires 2032-06-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 31, 2025.

F2 · derivative.exercise_date: The shares of common stock underlying this stock option award vested as to 25% of the shares on June 2, 2023, with the remaining three quarters vesting in equal monthly installments over the following three years, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
September 09, 2025 Filed Sep 11, 2025 21:20 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 SaleCommon Stock 20,000 $35.00 $700,000.00
Disclosure

SEC source: 0000950170-25-114293 · ownership.xml · nonDerivative · entry 2

Savitz Ryan · CIK 0001992324 · CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 31, 2025.

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September 09, 2025 Filed Sep 11, 2025 21:20 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 Exercise / conversionCommon Stock 20,000 $8.44 $168,800.00
Disclosure

SEC source: 0000950170-25-114293 · ownership.xml · nonDerivative · entry 1

Savitz Ryan · CIK 0001992324 · CFO & CBO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 31, 2025.

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February 03, 2025 Filed Feb 4, 2025 21:18 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 GrantStock Option (Right to Buy) · Derivative 150,000 $0.00 Strike: $22.07 $0.00
Disclosure

SEC source: 0000950170-25-013471 · ownership.xml · derivative · entry 1

Savitz Ryan · CIK 0001992324 · CFO & CBO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Stock · 150,000 shares

Expires 2035-02-02

F1 · derivative.exercise_date: The shares of common stock underlying this stock option award will vest in equal monthly installments over the four years after January 1, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

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May 23, 2024 Filed May 29, 2024 00:04 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 GrantStock Option (Right to Buy) · Derivative 100,000 $0.00 Strike: $21.77 $0.00
Disclosure

SEC source: 0000950170-24-065564 · ownership.xml · derivative · entry 1

Savitz Ryan · CIK 0001992324 · CFO & CBO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2034-05-22

F1 · derivative.exercise_date: The shares of common stock underlying this stock option award will vest in equal monthly installments over the four years after May 1, 2024, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

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January 24, 2024 Filed Jan 26, 2024 21:41 UTC Dianthus Therapeutics, Inc. /DE/ DNTH · Entity 1813 GrantStock Option (Right to Buy) · Derivative 120,000 $0.00 Strike: $17.88 $0.00
Disclosure

SEC source: 0000950170-24-007986 · ownership.xml · derivative · entry 1

Savitz Ryan · CIK 0001992324 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,000

Underlying: Common Stock · 120,000 shares

Expires 2034-01-23

F1 · derivative.exercise_date: The shares of common stock underlying this stock option award will vest in equal monthly installments over the four years after January 1, 2024, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.