ELTX

SEC source: 0001230486-26-000002 · wk-form4_1788379523.xml · derivative · entry 1

ADAMS JULIAN · CIK 0001230486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,750

Underlying: Common Stock · 21,750 shares

Expires 2036-08-31

F1 · derivative.exercise_date: The stock option represents the annual non-employee director equity award to the Reporting Person and shall vest and become exercisable in full on the earlier of (A) August 31, 2027, the one-year anniversary of the date of grant, and (B) the annual meeting of the Issuer's stockholders held in 2027, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date. No additional equity award will be made to the Reporting Person in connection with the 2026 annual meeting of stockholders.

SEC source: 0001761748-26-000002 · wk-form4_1788379493.xml · derivative · entry 1

Ashe Carol Gail · CIK 0001761748 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,750

Underlying: Common Stock · 21,750 shares

Expires 2036-08-31

F1 · derivative.exercise_date: The stock option represents the annual non-employee director equity award to the Reporting Person and shall vest and become exercisable in full on the earlier of (A) August 31, 2027, the one-year anniversary of the date of grant, and (B) the annual meeting of the Issuer's stockholders held in 2027, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date. No additional equity award will be made to the Reporting Person in connection with the 2026 annual meeting of stockholders.

SEC source: 0001979324-26-000002 · wk-form4_1788379464.xml · derivative · entry 1

Chudnovsky Yekaterina · CIK 0001979324 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,750

Underlying: Common Stock · 21,750 shares

Expires 2036-08-31

F1 · derivative.exercise_date: The stock option represents the annual non-employee director equity award to the Reporting Person and shall vest and become exercisable in full on the earlier of (A) August 31, 2027, the one-year anniversary of the date of grant, and (B) the annual meeting of the Issuer's stockholders held in 2027, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date. No additional equity award will be made to the Reporting Person in connection with the 2026 annual meeting of stockholders.

SEC source: 0001441889-26-000002 · wk-form4_1788379430.xml · derivative · entry 1

Nissenson Allen · CIK 0001441889 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,750

Underlying: Common Stock · 21,750 shares

Expires 2036-08-31

F1 · derivative.exercise_date: The stock option represents the annual non-employee director equity award to the Reporting Person and shall vest and become exercisable in full on the earlier of (A) August 31, 2027, the one-year anniversary of the date of grant, and (B) the annual meeting of the Issuer's stockholders held in 2027, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date. No additional equity award will be made to the Reporting Person in connection with the 2026 annual meeting of stockholders.

SEC source: 0001187308-26-000004 · wk-form4_1788379399.xml · derivative · entry 1

RUFFOLO ROBERT R · CIK 0001187308 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,750

Underlying: Common Stock · 21,750 shares

Expires 2036-08-31

F1 · derivative.exercise_date: The stock option represents the annual non-employee director equity award to the Reporting Person and shall vest and become exercisable in full on the earlier of (A) August 31, 2027, the one-year anniversary of the date of grant, and (B) the annual meeting of the Issuer's stockholders held in 2027, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date. No additional equity award will be made to the Reporting Person in connection with the 2026 annual meeting of stockholders.

SEC source: 0001267490-26-000010 · wk-form4_1788379379.xml · derivative · entry 1

WILSON KAREN J · CIK 0001267490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,750

Underlying: Common Stock · 21,750 shares

Expires 2036-08-31

F1 · derivative.exercise_date: The stock option represents the annual non-employee director equity award to the Reporting Person and shall vest and become exercisable in full on the earlier of (A) August 31, 2027, the one-year anniversary of the date of grant, and (B) the annual meeting of the Issuer's stockholders held in 2027, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date. No additional equity award will be made to the Reporting Person in connection with the 2026 annual meeting of stockholders.

SEC source: 0001413350-26-000009 · wk-form4_1788379344.xml · derivative · entry 1

Venkatesan Jay · CIK 0001413350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,750

Underlying: Common Stock · 21,750 shares

Expires 2036-08-31

F1 · derivative.exercise_date: The stock option represents the annual non-employee director equity award to the Reporting Person and shall vest and become exercisable in full on the earlier of (A) August 31, 2027, the one-year anniversary of the date of grant, and (B) the annual meeting of the Issuer's stockholders held in 2027, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date. No additional equity award will be made to the Reporting Person in connection with the 2026 annual meeting of stockholders.

SEC source: 0001612095-26-000002 · wk-form4_1784319276.xml · derivative · entry 1

Haqq Christopher · CIK 0001612095 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,643

Underlying: Common Stock · 64,643 shares

Expires 2036-07-16

F1 · derivative.exercise_date: The stock option vests and becomes exercisable as to 50% of the options on July 16, 2027, the first anniversary of the grant date, and as to the remaining 50% of the options on July 16, 2028, the second anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001979163-26-000002 · wk-form4_1784319242.xml · derivative · entry 1

DeMuth Peter · CIK 0001979163 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,832

Underlying: Common Stock · 52,832 shares

Expires 2036-07-16

F1 · derivative.exercise_date: The stock option vests and becomes exercisable as to 50% of the options on July 16, 2027, the first anniversary of the grant date, and as to the remaining 50% of the options on July 16, 2028, the second anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001787403-26-000002 · wk-form4_1784319224.xml · derivative · entry 1

Shah Preetam · CIK 0001787403 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,833

Underlying: Common Stock · 60,833 shares

Expires 2036-07-16

F1 · derivative.exercise_date: The stock option vests and becomes exercisable as to 50% of the options on July 16, 2027, the first anniversary of the grant date, and as to the remaining 50% of the options on July 16, 2028, the second anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001796436-26-000002 · wk-form4_1784319208.xml · derivative · entry 1

Connelly Robert · CIK 0001796436 · Director · CEO, President and Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,944

Underlying: Common Stock · 186,944 shares

Expires 2036-07-16

F1 · derivative.exercise_date: The stock option vests and becomes exercisable as to 50% of the options on July 16, 2027, the first anniversary of the grant date, and as to the remaining 50% of the options on July 16, 2028, the second anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001601485-26-000002 · wk-form4_1770154430.xml · derivative · entry 2

Haqq Christopher · CIK 0001612095 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,900

Underlying: Common Stock · 50,900 shares

Expires 2036-02-02

F2 · derivative.exercise_date: The stock option vests and becomes exercisable as to 25% of the options on February 2, 2027, the first anniversary of the grant date, with the remaining options vesting in monthly installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001601485-26-000002 · wk-form4_1770154430.xml · nonDerivative · entry 1

Haqq Christopher · CIK 0001612095 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,381

F1 · shares: Represents restricted stock units ("RSUs") that will vest as to 25% of the RSUs on February 2, 2027, the first anniversary of the grant date, with the remaining RSUs vesting in annual installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates. Each RSU represents the right to receive one share of common stock, par value $0.01 per share, of the Issuer.

F1 · price: Represents restricted stock units ("RSUs") that will vest as to 25% of the RSUs on February 2, 2027, the first anniversary of the grant date, with the remaining RSUs vesting in annual installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates. Each RSU represents the right to receive one share of common stock, par value $0.01 per share, of the Issuer.

SEC source: 0001601485-26-000010 · wk-form4_1770154928.xml · derivative · entry 2

Connelly Robert · CIK 0001796436 · Director · CEO, President and Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 147,200

Underlying: Common Stock · 147,200 shares

Expires 2036-02-02

F2 · derivative.exercise_date: The stock option vests and becomes exercisable as to 25% of the options on February 2, 2027, the first anniversary of the grant date, with the remaining options vesting in monthly installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001601485-26-000010 · wk-form4_1770154928.xml · nonDerivative · entry 1

Connelly Robert · CIK 0001796436 · Director · CEO, President and Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,570

F1 · shares: Represents restricted stock units ("RSUs") that will vest as to 25% of the RSUs on February 2, 2027, the first anniversary of the grant date, with the remaining RSUs vesting in annual installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates. Each RSU represents the right to receive one share of common stock, par value $0.01 per share, of the Issuer.

F1 · price: Represents restricted stock units ("RSUs") that will vest as to 25% of the RSUs on February 2, 2027, the first anniversary of the grant date, with the remaining RSUs vesting in annual installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates. Each RSU represents the right to receive one share of common stock, par value $0.01 per share, of the Issuer.

SEC source: 0001601485-26-000008 · wk-form4_1770154812.xml · derivative · entry 2

Shah Preetam · CIK 0001787403 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,900

Underlying: Common Stock · 47,900 shares

Expires 2036-02-02

F2 · derivative.exercise_date: The stock option vests and becomes exercisable as to 25% of the options on February 2, 2027, the first anniversary of the grant date, with the remaining options vesting in monthly installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001601485-26-000008 · wk-form4_1770154812.xml · nonDerivative · entry 1

Shah Preetam · CIK 0001787403 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,000

F1 · shares: Represents restricted stock units ("RSUs") that will vest as to 25% of the RSUs on February 2, 2027, the first anniversary of the grant date, with the remaining RSUs vesting in annual installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates. Each RSU represents the right to receive one share of common stock, par value $0.01 per share, of the Issuer.

F1 · price: Represents restricted stock units ("RSUs") that will vest as to 25% of the RSUs on February 2, 2027, the first anniversary of the grant date, with the remaining RSUs vesting in annual installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates. Each RSU represents the right to receive one share of common stock, par value $0.01 per share, of the Issuer.

SEC source: 0001601485-26-000006 · wk-form4_1770154713.xml · derivative · entry 2

DeMuth Peter · CIK 0001979163 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,600

Underlying: Common Stock · 41,600 shares

Expires 2036-02-02

F2 · derivative.exercise_date: The stock option vests and becomes exercisable as to 25% of the options on February 2, 2027, the first anniversary of the grant date, with the remaining options vesting in monthly installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001601485-26-000006 · wk-form4_1770154713.xml · nonDerivative · entry 1

DeMuth Peter · CIK 0001979163 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,543

F1 · shares: Represents restricted stock units ("RSUs") that will vest as to 25% of the RSUs on February 2, 2027, the first anniversary of the grant date, with the remaining RSUs vesting in annual installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates. Each RSU represents the right to receive one share of common stock, par value $0.01 per share, of the Issuer.

F1 · price: Represents restricted stock units ("RSUs") that will vest as to 25% of the RSUs on February 2, 2027, the first anniversary of the grant date, with the remaining RSUs vesting in annual installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates. Each RSU represents the right to receive one share of common stock, par value $0.01 per share, of the Issuer.

SEC source: 0001601485-25-000130 · wk-form4_1765404333.xml · derivative · entry 2

DeMuth Peter · CIK 0001979163 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 362 shares

Expires 2025-12-10

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_date: The stock option vested and became exercisable as to (i) 25% of the options on the first anniversary of the grant date or December 10, 2016, and (ii) with the remaining shares vesting at a rate of 2.0833% at the end of each month thereafter.

SEC source: 0001601485-25-000130 · wk-form4_1765404333.xml · nonDerivative · entry 1

DeMuth Peter · CIK 0001979163 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 743

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: 0000950170-25-081741 · ownership.xml · derivative · entry 1

Chudnovsky Yekaterina · CIK 0001979324 · Director · 10% owner

GKCC, LLC · CIK 0001977769 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by GKCC, LLC

Disclosed balance after: 103,225

Underlying: Common Stock · 103,225 shares

Expires 2030-06-03

F1 · ownership.nature: Yekaterina (Katie) Chudnovsky is the sole member and manager of GKCC, LLC and may be deemed to beneficially own the shares held by GKCC, LLC.

SEC source: 0001601485-25-000090 · wk-form4_1747771672.xml · derivative · entry 1

Ashe Carol Gail · CIK 0001761748 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,900

Underlying: Common Stock · 7,900 shares

Expires 2035-05-19

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-25-000089 · wk-form4_1747771647.xml · derivative · entry 1

Nissenson Allen · CIK 0001441889 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,900

Underlying: Common Stock · 7,900 shares

Expires 2035-05-19

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-25-000088 · wk-form4_1747771626.xml · derivative · entry 1

Venkatesan Jay · CIK 0001413350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,900

Underlying: Common Stock · 7,900 shares

Expires 2035-05-19

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-25-000086 · wk-form4_1747771581.xml · derivative · entry 1

WILSON KAREN J · CIK 0001267490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,900

Underlying: Common Stock · 7,900 shares

Expires 2035-05-19

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-25-000085 · wk-form4_1747771551.xml · derivative · entry 1

RUFFOLO ROBERT R · CIK 0001187308 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,900

Underlying: Common Stock · 7,900 shares

Expires 2035-05-19

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-25-000087 · wk-form4_1747771603.xml · derivative · entry 1

ADAMS JULIAN · CIK 0001230486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,900

Underlying: Common Stock · 7,900 shares

Expires 2035-05-19

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-25-000084 · wk-form4_1747771529.xml · derivative · entry 1

Chudnovsky Yekaterina · CIK 0001979324 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,900

Underlying: Common Stock · 7,900 shares

Expires 2035-05-19

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) May 19, 2026, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-25-000065 · wk-form4_1744837936.xml · derivative · entry 1

Shah Preetam · CIK 0001787403 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,624

Underlying: Common Stock · 191,624 shares

Expires 2035-04-15

F1 · derivative.exercise_date: The stock option vests and becomes exercisable as to 25% of the options on March 24, 2025, the first anniversary of the Reporting Person's start date, with the remaining options vesting in equal monthly installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0000950170-25-035494 · ownership.xml · derivative · entry 2

Chudnovsky Yekaterina · CIK 0001979324 · Director · 10% owner

GKCC, LLC · CIK 0001977769 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by GKCC, LLC

Disclosed balance after: 0

Underlying: Common Stock · 3,442,341 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.

F2 · derivative.exercise_date: The Convertible Note had a stated maturity date of February 15, 2026. The Convertible Note, including any accrued but unpaid interest, was converted into shares of Common Stock on March 5, 2025 at a conversion price of $5.81 per share.

F2 · derivative.expiration_date: The Convertible Note had a stated maturity date of February 15, 2026. The Convertible Note, including any accrued but unpaid interest, was converted into shares of Common Stock on March 5, 2025 at a conversion price of $5.81 per share.

F1 · ownership.nature: Yekaterina (Katie) Chudnovsky is the sole member and manager of GKCC, LLC and may be deemed to beneficially own the shares held by GKCC, LLC.

SEC source: 0000950170-25-035494 · ownership.xml · nonDerivative · entry 1

Chudnovsky Yekaterina · CIK 0001979324 · Director · 10% owner

GKCC, LLC · CIK 0001977769 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by GKCC, LLC

Disclosed balance after: 5,416,212

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 · ownership.nature: Yekaterina (Katie) Chudnovsky is the sole member and manager of GKCC, LLC and may be deemed to beneficially own the shares held by GKCC, LLC.

SEC source: 0001601485-25-000014 · wk-form4_1738703424.xml · derivative · entry 1

Haqq Christopher · CIK 0001612095 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,000

Underlying: Common Stock · 44,000 shares

Expires 2035-02-03

F1 · derivative.exercise_date: The stock option vests and becomes exercisable as to 25% of the options on the first anniversary of the grant date (February 3, 2026), with the remaining options vesting in equal monthly installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001601485-25-000012 · wk-form4_1738703302.xml · derivative · entry 1

Connelly Robert · CIK 0001796436 · Director · CEO, President and Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,600

Underlying: Common Stock · 121,600 shares

Expires 2035-02-03

F1 · derivative.exercise_date: The stock option vests and becomes exercisable as to 25% of the options on the first anniversary of the grant date (February 3, 2026), with the remaining options vesting in equal monthly installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001601485-25-000016 · wk-form4_1738703480.xml · derivative · entry 1

DeMuth Peter · CIK 0001979163 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,400

Underlying: Common Stock · 44,400 shares

Expires 2035-02-03

F1 · derivative.exercise_date: The stock option vests and becomes exercisable as to 25% of the options on the first anniversary of the grant date (February 3, 2026), with the remaining options vesting in equal monthly installments over a three-year period thereafter, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001601485-24-000109 · wk-form4_1734558687.xml · derivative · entry 2

DeMuth Peter · CIK 0001979163 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 381 shares

Expires 2024-12-18

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_date: The stock option vested and became exercisable as to (i) 25% of the options on the first anniversary of the grant date or December 18, 2015, and (ii) with the remaining shares vesting at a rate of 2.0833% at the end of each month thereafter.

SEC source: 0001601485-24-000109 · wk-form4_1734558687.xml · nonDerivative · entry 1

DeMuth Peter · CIK 0001979163 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 381

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: 0001601485-24-000105 · wk-form4_1732883980.xml · derivative · entry 3

Venkatesan Jay · CIK 0001413350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 50,000 shares

Expires not disclosed

F3 · derivative.expiration_date: N/A

SEC source: 0001601485-24-000105 · wk-form4_1732883980.xml · nonDerivative · entry 1

Venkatesan Jay · CIK 0001413350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 179,581

F1 · shares: On November 26, 2024, the Reporting Person exercised a pre-funded warrant to purchase an aggregate of 50,000 shares of the Issuer's common stock.

SEC source: 0001601485-24-000097 · wk-form4_1732538168.xml · derivative · entry 1

Ashe Carol Gail · CIK 0001761748 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,100

Underlying: Common Stock · 4,100 shares

Expires 2034-11-21

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-24-000089 · wk-form4_1732537934.xml · derivative · entry 1

Nissenson Allen · CIK 0001441889 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,100

Underlying: Common Stock · 4,100 shares

Expires 2034-11-21

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-24-000095 · wk-form4_1732538114.xml · derivative · entry 1

Venkatesan Jay · CIK 0001413350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,100

Underlying: Common Stock · 4,100 shares

Expires 2034-11-21

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-24-000101 · wk-form4_1732568717.xml · derivative · entry 1

WILSON KAREN J · CIK 0001267490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,100

Underlying: Common Stock · 4,100 shares

Expires 2034-11-21

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-24-000093 · wk-form4_1732538054.xml · derivative · entry 1

RUFFOLO ROBERT R · CIK 0001187308 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,100

Underlying: Common Stock · 4,100 shares

Expires 2034-11-21

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-24-000099 · wk-form4_1732538230.xml · derivative · entry 1

ADAMS JULIAN · CIK 0001230486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,100

Underlying: Common Stock · 4,100 shares

Expires 2034-11-21

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-24-000091 · wk-form4_1732537993.xml · derivative · entry 1

Chudnovsky Yekaterina · CIK 0001979324 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,100

Underlying: Common Stock · 4,100 shares

Expires 2034-11-21

F1 · shares: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

F1 · derivative.exercise_date: The stock option shall vest and become exercisable in full on the earlier of (A) November 21, 2025, the one-year anniversary of the date of grant and (B) the next annual meeting of the Company's stockholders after the grant date, subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.

SEC source: 0001601485-24-000049 · wk-form4_1727899926.xml · derivative · entry 1

Haqq Christopher · CIK 0001612095 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,200

Underlying: Common Stock · 28,200 shares

Expires 2024-09-30

F1 · derivative.exercise_date: Fifty percent (50%) of the stock options vest on September 30, 2025, the one-year anniversary of the grant date, with the remaining fifty percent (50%) of the stock options to vest on September 30, 2026, the two-year anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

SEC source: 0001601485-24-000053 · wk-form4_1727900067.xml · derivative · entry 1

Connelly Robert · CIK 0001796436 · Director · CEO, President and Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,600

Underlying: Common Stock · 91,600 shares

Expires 2034-09-30

F1 · derivative.exercise_date: Fifty percent (50%) of the stock options vest on September 30, 2025, the one-year anniversary of the grant date, with the remaining fifty percent (50%) of the stock options to vest on September 30, 2026, the two-year anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001601485-24-000051 · wk-form4_1727899996.xml · derivative · entry 1

DeMuth Peter · CIK 0001979163 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,800

Underlying: Common Stock · 29,800 shares

Expires 2024-09-30

F1 · derivative.exercise_date: Fifty percent (50%) of the stock options vest on September 30, 2025, the one-year anniversary of the grant date, with the remaining fifty percent (50%) of the stock options to vest on September 30, 2026, the two-year anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

SEC source: 0001140361-24-037346 · form4.xml · derivative · entry 1

Chudnovsky Yekaterina · CIK 0001979324 · Director · 10% owner

GKCC, LLC · CIK 0001977769 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by GKCC, LLC

Disclosed balance after: 3,442,341

Underlying: Common Stock · 3,442,341 shares

Expires not disclosed

F1 · shares: On August 12, 2024, GKCC, LLC (the "Purchaser") purchased from the Issuer a convertible note with an aggregate principal amount of $20,000,000 (the "Convertible Note"). The Convertible Note is convertible into shares of common stock of the Issuer at a conversion price of $5.81 per share, subject to adjustment in certain circumstances. Therefore, the Convertible Note is initially convertible into approximately 3,442,341 shares of common stock of the Issuer.

F2 · derivative.exercise_date: The Convertible Note will mature on February 15, 2026, unless earlier converted in accordance with the terms of the Convertible Note. Interest on the Convertible Note is payable in cash and will accrue and be payable quarterly on the principal amount equal to 3% per annum.

F2 · derivative.expiration_date: The Convertible Note will mature on February 15, 2026, unless earlier converted in accordance with the terms of the Convertible Note. Interest on the Convertible Note is payable in cash and will accrue and be payable quarterly on the principal amount equal to 3% per annum.

F3 · ownership.nature: Yekaterina (Katie) Chudnovsky is the sole member and manager of the Purchaser and may be deemed to beneficially own the shares held by the Purchaser.