RXST

SEC source: 0001295814-26-000004 · form4-09162026_080936.xml · derivative · entry 4

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 35,168 shares

Expires 2027-03-14

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.

F2 · derivative.exercise_date: The shares subject to the option were fully vested and exercisable.

SEC source: 0001295814-26-000004 · form4-09162026_080936.xml · nonDerivative · entry 1

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 235,516

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.

SEC source: 0001193125-26-386841 · ownership.xml · derivative · entry 2

Wilterding Mark · CIK 0002107187 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 258,770

Underlying: Common Stock · 258,770 shares

Expires 2033-09-04

F2 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1:1 basis with a post-exchange exercise price of $6.375 per share.

F3 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386841 · ownership.xml · derivative · entry 1

Wilterding Mark · CIK 0002107187 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 258,770 shares

Expires 2036-01-11

F2 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1:1 basis with a post-exchange exercise price of $6.375 per share.

F1 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, twenty five percent (25%) of the shares subject to the option shall vest on the one-year anniversary of January 11, 2026 (the "Vesting Commencement Date"), and the remaining shares subject to the options shall vesting equally monthly on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month) over the following three years, such that all of the shares subject to the option shall be fully vested four years from the Vesting Commencement Date.

SEC source: 0001193125-26-386840 · ownership.xml · derivative · entry 10

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,984

Underlying: Common Stock · 93,984 shares

Expires 2033-09-04

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

F12 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 35,244 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 35,244 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 58,740 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386840 · ownership.xml · derivative · entry 9

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,258

Underlying: Common Stock · 32,258 shares

Expires 2033-09-04

F5 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.55:1 basis with a post-exchange exercise price of $6.375 per share.

F11 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 16,129 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 16,129 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 16,129 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386840 · ownership.xml · derivative · entry 8

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,483

Underlying: Common Stock · 59,483 shares

Expires 2033-09-04

F5 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.55:1 basis with a post-exchange exercise price of $6.375 per share.

F10 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 37,177 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 37,177 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 22,306 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386840 · ownership.xml · derivative · entry 7

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,608

Underlying: Common Stock · 82,608 shares

Expires 2033-09-04

F3 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.15:1 basis with a post-exchange exercise price of $6.375 per share.

F9 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 70,560 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 70,560 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 12,048 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386840 · ownership.xml · derivative · entry 6

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,742

Underlying: Common Stock · 65,742 shares

Expires 2033-09-04

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

F8 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the shares subject to the option will vest on February 28, 2027 and the remaining 75% of the shares subject to the option will vest on August 31, 2027.

SEC source: 0001193125-26-386840 · ownership.xml · derivative · entry 5

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 125,000 shares

Expires 2035-02-26

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

F7 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean February 27, 2025.

SEC source: 0001193125-26-386840 · ownership.xml · derivative · entry 4

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 50,000 shares

Expires 2034-08-06

F5 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.55:1 basis with a post-exchange exercise price of $6.375 per share.

F6 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean August 7, 2024.

SEC source: 0001193125-26-386840 · ownership.xml · derivative · entry 3

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 92,200 shares

Expires 2034-03-03

F5 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.55:1 basis with a post-exchange exercise price of $6.375 per share.

F4 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean March 4, 2024.

SEC source: 0001193125-26-386840 · ownership.xml · derivative · entry 2

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 95,000 shares

Expires 2033-03-09

F3 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.15:1 basis with a post-exchange exercise price of $6.375 per share.

F2 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean March 9, 2023.

SEC source: 0001193125-26-386840 · ownership.xml · derivative · entry 1

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 87,437 shares

Expires 2031-07-30

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

SEC source: 0001193125-26-386838 · ownership.xml · derivative · entry 8

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 161,654

Underlying: Common Stock · 161,654 shares

Expires 2033-09-04

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

F10 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 60,620 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 60,620 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 101,034 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386838 · ownership.xml · derivative · entry 7

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,129

Underlying: Common Stock · 96,129 shares

Expires 2033-09-04

F5 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.55:1 basis with a post-exchange exercise price of $6.375 per share.

F9 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 60,080 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 60,080 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 36,049 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386838 · ownership.xml · derivative · entry 6

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 173,913

Underlying: Common Stock · 173,913 shares

Expires 2033-09-04

F3 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.15:1 basis with a post-exchange exercise price of $6.375 per share.

F8 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 148,549 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 148,549 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 25,364 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386838 · ownership.xml · derivative · entry 5

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 254,751

Underlying: Common Stock · 254,751 shares

Expires 2033-09-04

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

F7 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the shares subject to the option will vest on February 28, 2027 and the remaining 75% of the shares subject to the option will vest on August 31, 2027.

SEC source: 0001193125-26-386838 · ownership.xml · derivative · entry 4

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 215,000 shares

Expires 2035-02-26

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

F6 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean February 27, 2025.

SEC source: 0001193125-26-386838 · ownership.xml · derivative · entry 3

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 149,000 shares

Expires 2034-03-03

F5 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.55:1 basis with a post-exchange exercise price of $6.375 per share.

F4 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean March 4, 2024.

SEC source: 0001193125-26-386838 · ownership.xml · derivative · entry 2

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 200,000 shares

Expires 2033-03-08

F3 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.15:1 basis with a post-exchange exercise price of $6.375 per share.

F2 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean March 9, 2023.

SEC source: 0001193125-26-386838 · ownership.xml · derivative · entry 1

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 338,819 shares

Expires 2031-07-30

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

SEC source: 0001193125-26-386837 · ownership.xml · derivative · entry 10

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,984

Underlying: Common Stock · 93,984 shares

Expires 2033-09-04

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

F12 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 35,244 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 35,244 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 58,740 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386837 · ownership.xml · derivative · entry 9

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,258

Underlying: Common Stock · 32,258 shares

Expires 2033-09-04

F5 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.55:1 basis with a post-exchange exercise price of $6.375 per share.

F11 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 16,129 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 16,129 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 16,129 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386837 · ownership.xml · derivative · entry 8

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,483

Underlying: Common Stock · 59,483 shares

Expires 2033-09-04

F5 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.55:1 basis with a post-exchange exercise price of $6.375 per share.

F10 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 37,177 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 37,177 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 22,306 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386837 · ownership.xml · derivative · entry 7

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,347

Underlying: Common Stock · 104,347 shares

Expires 2033-09-04

F3 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.15:1 basis with a post-exchange exercise price of $6.375 per share.

F9 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the 89,129 shares subject to the option will vest on February 28, 2027 and the remaining 75% of the 89,129 shares subject to the option will vest on August 31, 2027. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one twenty-fourth (1/24th) of the 15,218 shares subject to the option will vest on February 28, 2027 and in equal monthly installments thereafter.

SEC source: 0001193125-26-386837 · ownership.xml · derivative · entry 6

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,960

Underlying: Common Stock · 73,960 shares

Expires 2033-09-04

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

F8 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, 25% of the shares subject to the option will vest on February 28, 2027 and the remaining 75% of the shares subject to the option will vest on August 31, 2027.

SEC source: 0001193125-26-386837 · ownership.xml · derivative · entry 5

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 125,000 shares

Expires 2035-02-26

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

F7 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean February 27, 2025.

SEC source: 0001193125-26-386837 · ownership.xml · derivative · entry 4

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 50,000 shares

Expires 2034-08-06

F5 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.55:1 basis with a post-exchange exercise price of $6.375 per share.

F6 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean August 7, 2024.

SEC source: 0001193125-26-386837 · ownership.xml · derivative · entry 3

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 92,200 shares

Expires 2034-03-03

F5 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.55:1 basis with a post-exchange exercise price of $6.375 per share.

F4 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean March 4, 2024.

SEC source: 0001193125-26-386837 · ownership.xml · derivative · entry 2

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 120,000 shares

Expires 2033-03-08

F3 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.15:1 basis with a post-exchange exercise price of $6.375 per share.

F2 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean March 9, 2023.

SEC source: 0001193125-26-386837 · ownership.xml · derivative · entry 1

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 98,367 shares

Expires 2031-07-30

F1 · price: On September 5, 2026, in connection with the Issuer's option exchange program, the Issuer exchanged the Reporting Person's outstanding option on a 1.33:1 basis with a post-exchange exercise price of $6.375 per share.

SEC source: 0001193125-26-380714 · ownership.xml · nonDerivative · entry 2

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,775

F2 · kind: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of RSUs and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001193125-26-380713 · ownership.xml · nonDerivative · entry 2

Wilterding Mark · CIK 0002107187 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,049

F2 · kind: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of RSUs and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001193125-26-380711 · ownership.xml · nonDerivative · entry 2

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,509

F2 · kind: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of RSUs and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001193125-26-380710 · ownership.xml · nonDerivative · entry 2

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200,348

F3 · kind: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of RSUs and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001193125-26-380714 · ownership.xml · derivative · entry 4

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,120

Underlying: Common Stock · 13,425 shares

Expires not disclosed

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 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F4 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan (the "Plan")) through each applicable date, one-sixth (1/6th) of the RSUs subject to the award shall vest on the first Trading Day (as defined in the Plan) on or after each of August 31, 2026, February 28, 2027, August 31, 2027, February 28, 2028, August 31, 2028 and February 28, 2029.

F4 · derivative.expiration_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan (the "Plan")) through each applicable date, one-sixth (1/6th) of the RSUs subject to the award shall vest on the first Trading Day (as defined in the Plan) on or after each of August 31, 2026, February 28, 2027, August 31, 2027, February 28, 2028, August 31, 2028 and February 28, 2029.

SEC source: 0001193125-26-380714 · ownership.xml · nonDerivative · entry 1

Kurtz Ronald M MD · CIK 0001295469 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,875

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 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

SEC source: 0001193125-26-380713 · ownership.xml · derivative · entry 3

Wilterding Mark · CIK 0002107187 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,646

Underlying: Common Stock · 20,441 shares

Expires not disclosed

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 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one eighth (1/8th) of the shares subject to the RSU award vested on February 28, 2026, and one eighth (1/8th) of the shares subject to the RSU award will vest every six months thereafter on the last day of February and the last day of August over a four-year period.

F3 · derivative.expiration_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, one eighth (1/8th) of the shares subject to the RSU award vested on February 28, 2026, and one eighth (1/8th) of the shares subject to the RSU award will vest every six months thereafter on the last day of February and the last day of August over a four-year period.

SEC source: 0001193125-26-380713 · ownership.xml · nonDerivative · entry 1

Wilterding Mark · CIK 0002107187 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,814

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 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

SEC source: 0001193125-26-380711 · ownership.xml · derivative · entry 4

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,848

Underlying: Common Stock · 5,370 shares

Expires not disclosed

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 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan (the "Plan")) through each applicable date, one-sixth (1/6th) of the RSUs subject to the award shall vest on the first Trading Day (as defined in the Plan) on or after each of August 31, 2026, February 28, 2027, August 31, 2027, February 28, 2028, August 31, 2028 and February 28, 2029.

F3 · derivative.expiration_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan (the "Plan")) through each applicable date, one-sixth (1/6th) of the RSUs subject to the award shall vest on the first Trading Day (as defined in the Plan) on or after each of August 31, 2026, February 28, 2027, August 31, 2027, February 28, 2028, August 31, 2028 and February 28, 2029.

SEC source: 0001193125-26-380711 · ownership.xml · nonDerivative · entry 1

Goldshleger Ilya · CIK 0001874147 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,550

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 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

SEC source: 0001193125-26-380710 · ownership.xml · derivative · entry 5

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,848

Underlying: Common Stock · 5,370 shares

Expires not disclosed

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 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F5 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan (the "Plan")) through each applicable date, one-sixth (1/6th) of the RSUs subject to the award shall vest on the first Trading Day (as defined in the Plan) on or after each of August 31, 2026, February 28, 2027, August 31, 2027, February 28, 2028, August 31, 2028 and February 28, 2029.

F5 · derivative.expiration_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan (the "Plan")) through each applicable date, one-sixth (1/6th) of the RSUs subject to the award shall vest on the first Trading Day (as defined in the Plan) on or after each of August 31, 2026, February 28, 2027, August 31, 2027, February 28, 2028, August 31, 2028 and February 28, 2029.

SEC source: 0001193125-26-380710 · ownership.xml · nonDerivative · entry 1

Weinberg Eric · CIK 0001295814 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 202,389

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 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F2 · balance_after: Includes 1,668 shares of Common Stock acquired October 31, 2025 under the Issuer's 2021 Employee Stock Purchase Plan.

SEC source: 0001193125-26-316544 · ownership.xml · derivative · entry 2

Mottiwala Aziz · CIK 0001788542 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 571,286

Underlying: Common Stock · 571,286 shares

Expires 2036-07-23

F3 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2026 Inducement Equity Incentive Plan) through each applicable date, twenty five percent (25%) of the shares subject to the option shall vest on the one year anniversary of the Vesting Commencement Date, and, thereafter, one forty-eighth (1/48th) of the shares subject to the option shall vest each month on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean July 24, 2026.

SEC source: 0001193125-26-316544 · ownership.xml · derivative · entry 1

Mottiwala Aziz · CIK 0001788542 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,312,138

Underlying: Common Stock · 2,312,138 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F2 · derivative.exercise_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2026 Inducement Equity Incentive Plan) through each applicable date, twenty percent (20%) of the RSUs subject to the award shall vest on the one year anniversary of the grant date, twenty percent (20%) of the RSUs subject to the award shall vest on the two year anniversary of the grant date, and 60% of the RSUs subject to the award shall vest on the three year anniversary of the grant date.

F2 · derivative.expiration_date: Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2026 Inducement Equity Incentive Plan) through each applicable date, twenty percent (20%) of the RSUs subject to the award shall vest on the one year anniversary of the grant date, twenty percent (20%) of the RSUs subject to the award shall vest on the two year anniversary of the grant date, and 60% of the RSUs subject to the award shall vest on the three year anniversary of the grant date.

SEC source: 0001193125-26-275856 · ownership.xml · nonDerivative · entry 1

Warner Robert Keith · CIK 0001874373 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,076

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RxSight, Inc. Common Stock.

F2 · shares: Subject to the Reporting Person's continuing as an Outside Director (as defined in the Issuer's 2021 Equity Incentive Plan) through such applicable vesting date, one hundred percent (100%) of the RSUs subject to the award shall vest on the earlier of (i) the one (1) year anniversary of the Date of Grant or (ii) the date of the next annual meeting of stockholders following the Date of Grant. "Date of Grant" shall mean June 17, 2026.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RxSight, Inc. Common Stock.

SEC source: 0001193125-26-275851 · ownership.xml · nonDerivative · entry 1

PALMISANO ROBERT J · CIK 0001138646 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,076

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RxSight, Inc. Common Stock.

F2 · shares: Subject to the Reporting Person's continuing as an Outside Director (as defined in the Issuer's 2021 Equity Incentive Plan) through such applicable vesting date, one hundred percent (100%) of the RSUs subject to the award shall vest on the earlier of (i) the one (1) year anniversary of the Date of Grant or (ii) the date of the next annual meeting of stockholders following the Date of Grant. "Date of Grant" shall mean June 17, 2026.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RxSight, Inc. Common Stock.

SEC source: 0001193125-26-275848 · ownership.xml · nonDerivative · entry 1

Maniar Shweta · CIK 0001850826 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,172

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RxSight, Inc. Common Stock.

F2 · shares: Subject to the Reporting Person's continuing as an Outside Director (as defined in the Issuer's 2021 Equity Incentive Plan) through such applicable vesting date, one hundred percent (100%) of the RSUs subject to the award shall vest on the earlier of (i) the one (1) year anniversary of the Date of Grant or (ii) the date of the next annual meeting of stockholders following the Date of Grant. "Date of Grant" shall mean June 17, 2026.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RxSight, Inc. Common Stock.

SEC source: 0001193125-26-275843 · ownership.xml · nonDerivative · entry 1

Fountain Tamara · CIK 0001902243 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,582

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RxSight, Inc. Common Stock.

F2 · shares: Subject to the Reporting Person's continuing as an Outside Director (as defined in the Issuer's 2021 Equity Incentive Plan) through such applicable vesting date, one hundred percent (100%) of the RSUs subject to the award shall vest on the earlier of (i) the one (1) year anniversary of the Date of Grant or (ii) the date of the next annual meeting of stockholders following the Date of Grant. "Date of Grant" shall mean June 17, 2026.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RxSight, Inc. Common Stock.