DNTH

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

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

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.

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

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.

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

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.

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

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.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 18, 2026.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 18, 2026.

The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.00 to $81.80, 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.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 18, 2026.

The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.00 to $80.99, 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.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 18, 2026.

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.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $90.17 to $91.15, 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.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

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.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

The shares of common stock underlying this stock option award vested as to 25% of the shares on April 25, 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.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

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.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.17 to $90.16, 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.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

The shares of common stock underlying this stock option award 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.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $91.17 to $91.96, 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.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.

The shares of common stock underlying this stock option award will vest in full on the date that is the earlier of (i) the first anniversary of the grant date or (ii) the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer through the vesting date.

The shares of common stock underlying this stock option award will vest in full on the date that is the earlier of (i) the first anniversary of the grant date or (ii) the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer through the vesting date.

The shares of common stock underlying this stock option award will vest in full on the date that is the earlier of (i) the first anniversary of the grant date or (ii) the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer through the vesting date.

The shares of common stock underlying this stock option award will vest in full on the date that is the earlier of (i) the first anniversary of the grant date or (ii) the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer through the vesting date.

The shares of common stock underlying this stock option award will vest in full on the date that is the earlier of (i) the first anniversary of the grant date or (ii) the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer through the vesting date.

The shares of common stock underlying this stock option award will vest in full on the date that is the earlier of (i) the first anniversary of the grant date or (ii) the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer through the vesting date.

The shares of common stock underlying this stock option award will vest in full on the date that is the earlier of (i) the first anniversary of the grant date or (ii) the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer through the vesting date.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on December 23, 2025.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on December 23, 2025.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on December 23, 2025.

The shares of common stock underlying this stock option award vested as to 25% of the shares on April 6, 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.

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

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

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.

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

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.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 23, 2025.

The shares of common stock underlying this stock option award vested as to 25% of the shares on April 6, 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.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 23, 2025.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 23, 2025.

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

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

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.

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

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.

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

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

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.

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

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.

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

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.

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

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.

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

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.

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

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.

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

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.

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

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.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 23, 2025.

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 23, 2025.

The shares of common stock underlying this stock option award vested as to 25% of the shares on April 6, 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.