Curnes Nelson Bunker

SEC source: 0001193125-26-268109 · ownership.xml · nonDerivative · entry 3

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 366,997

F3 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.65 to $13.01. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the SEC Staff, upon request, full information regarding the number of shares purchased at each price within the range set forth above.

F4 · balance_after: Includes 58,359 shares acquired in a pro rata distribution in kind, which was exempt from reporting pursuant to Rule 16a-13.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 25

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Exceller Hunt Microtransponder 2017, LP

Disclosed balance after: 0

Underlying: Common Stock · 333,333 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_price: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F2 · price: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F2 · derivative.exercise_date: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F2 · derivative.expiration_date: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 24

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Curnes Fund 2001

Disclosed balance after: 0

Underlying: Common Stock · 175,077 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_price: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F2 · price: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F2 · derivative.exercise_date: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F2 · derivative.expiration_date: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 23

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,794 shares

Expires 2033-05-24

F5 · price: The warrants are currently exercisable. In connection with the Offering, the warrants were exercised according to the terms of the applicable warrant agreement. The warrants have a net exercise provision under which the Reporting Person may, in lieu of payment of the exercise price in cash, surrender the warrants and receive a net amount of shares based on the fair market value of the shares at the time of exercise of the warrants after deduction of the aggregate exercise price.

F5 · derivative.exercise_date: The warrants are currently exercisable. In connection with the Offering, the warrants were exercised according to the terms of the applicable warrant agreement. The warrants have a net exercise provision under which the Reporting Person may, in lieu of payment of the exercise price in cash, surrender the warrants and receive a net amount of shares based on the fair market value of the shares at the time of exercise of the warrants after deduction of the aggregate exercise price.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 22

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,890 shares

Expires 2033-06-13

F5 · price: The warrants are currently exercisable. In connection with the Offering, the warrants were exercised according to the terms of the applicable warrant agreement. The warrants have a net exercise provision under which the Reporting Person may, in lieu of payment of the exercise price in cash, surrender the warrants and receive a net amount of shares based on the fair market value of the shares at the time of exercise of the warrants after deduction of the aggregate exercise price.

F5 · derivative.exercise_date: The warrants are currently exercisable. In connection with the Offering, the warrants were exercised according to the terms of the applicable warrant agreement. The warrants have a net exercise provision under which the Reporting Person may, in lieu of payment of the exercise price in cash, surrender the warrants and receive a net amount of shares based on the fair market value of the shares at the time of exercise of the warrants after deduction of the aggregate exercise price.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 21

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Exceller Hunt Microtransponder 2017, LP

Disclosed balance after: 0

Underlying: Common Stock · 82,068 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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · price: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.exercise_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.expiration_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 20

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Exceller Hunt Microtransponder 2017, LP

Disclosed balance after: 0

Underlying: Common Stock · 171,179 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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · price: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.exercise_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.expiration_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 19

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Exceller Hunt Microtransponder 2017, LP

Disclosed balance after: 0

Underlying: Common Stock · 78,171 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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · price: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.exercise_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.expiration_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 18

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Exceller Hunt Microtransponder 2017, LP

Disclosed balance after: 0

Underlying: Common Stock · 145,067 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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · price: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.exercise_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.expiration_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 17

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Family Trusts

Disclosed balance after: 0

Underlying: Common Stock · 5,742 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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · price: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.exercise_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.expiration_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 16

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 81,821 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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · price: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.exercise_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.expiration_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 15

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,374 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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · price: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.exercise_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.expiration_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 14

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 110,058 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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · price: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.exercise_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.expiration_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 13

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 28,710 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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · price: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.exercise_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.expiration_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 12

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 54,932 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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · price: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.exercise_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

F1 · derivative.expiration_date: Each share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · nonDerivative · entry 7

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Curnes Fund 2001

Disclosed balance after: 175,077

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 · price: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · nonDerivative · entry 6

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Exceller Hunt Microtransponder 2017, LP

Disclosed balance after: 809,818

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 · price: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · nonDerivative · entry 5

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Exceller Hunt Microtransponder 2017, LP

Disclosed balance after: 476,485

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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · nonDerivative · entry 4

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Family Trusts

Disclosed balance after: 5,742

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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · nonDerivative · entry 3

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 303,638

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · nonDerivative · entry 2

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 317,006

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · nonDerivative · entry 1

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 303,322

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 share of the Series A, Series C, Series D, Series E-1, Series E-2 and Series F Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "Offering") pursuant to its terms.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 11

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 206,070

Underlying: Common Stock · 206,070 shares

Expires 2036-05-07

F4 · derivative.exercise_date: The stock option will vest as to 25% of the underlying shares on May 7, 2027, and will vest thereafter in 36 substantially equal monthly installments.

SEC source: 0001193125-26-268109 · ownership.xml · nonDerivative · entry 2

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Curnes Fund 2001

Disclosed balance after: 0

F1 · date: This transaction occurred prior to the Issuer's registration of a class of equity securities under Section 12 of the Securities Exchange Act of 1934, as amended, in connection with the Issuer's initial public offering and is reported pursuant to Rule 16a-2(a).

F2 · kind: Prior to the Issuer's initial public offering on May 7, 2026, the Curnes Fund 2001 and the Exceller Hunt Microtransponder 2017, LP distributed 175,077 and 249,750 shares of the Issuer's common stock, respectively, to their members (the "Distributions"). The Reporting Person received 58,359 shares of common stock in the Distributions. The Reporting Person's prior Form 3, dated May 7, 2026 and Form 4, dated May 11, 2026, inadvertently reported ownership prior to the Distributions. This Form 4 has been updated to reflect the Reporting Person's ownership following the Distributions. All shares in the Distributions remain subject to the lock-up restrictions implemented in connection with the initial public offering.

SEC source: 0001193125-26-268109 · ownership.xml · nonDerivative · entry 1

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Exceller Hunt Microtransponder 2017, LP

Disclosed balance after: 560,068

F1 · date: This transaction occurred prior to the Issuer's registration of a class of equity securities under Section 12 of the Securities Exchange Act of 1934, as amended, in connection with the Issuer's initial public offering and is reported pursuant to Rule 16a-2(a).

F2 · kind: Prior to the Issuer's initial public offering on May 7, 2026, the Curnes Fund 2001 and the Exceller Hunt Microtransponder 2017, LP distributed 175,077 and 249,750 shares of the Issuer's common stock, respectively, to their members (the "Distributions"). The Reporting Person received 58,359 shares of common stock in the Distributions. The Reporting Person's prior Form 3, dated May 7, 2026 and Form 4, dated May 11, 2026, inadvertently reported ownership prior to the Distributions. This Form 4 has been updated to reflect the Reporting Person's ownership following the Distributions. All shares in the Distributions remain subject to the lock-up restrictions implemented in connection with the initial public offering.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 10

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Curnes Fund 2001

Disclosed balance after: 2,100,937.62

Underlying: Common Stock · 8,411 shares

Expires not disclosed

F2 · derivative.exercise_price: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F3 · date: This transaction occurred prior to the Issuer's registration of a class of equity securities under Section 12 of the Securities Exchange Act of 1934, as amended, in connection with the Offering, and is reported herein pursuant to Rule 16a-2(a).

F2 · derivative.exercise_date: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F2 · derivative.expiration_date: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 9

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Exceller Hunt Microtransponder 2017, LP

Disclosed balance after: 4,000,000

Underlying: Common Stock · 333,333 shares

Expires not disclosed

F2 · derivative.exercise_price: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F3 · date: This transaction occurred prior to the Issuer's registration of a class of equity securities under Section 12 of the Securities Exchange Act of 1934, as amended, in connection with the Offering, and is reported herein pursuant to Rule 16a-2(a).

F2 · derivative.exercise_date: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F2 · derivative.expiration_date: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

SEC source: 0001628280-26-033804 · wk-form4_1778549766.xml · derivative · entry 8

Curnes Nelson Bunker · CIK 0002124944 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Curnes Fund 2001

Disclosed balance after: 2,000,000

Underlying: Common Stock · 166,666 shares

Expires not disclosed

F2 · derivative.exercise_price: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F3 · date: This transaction occurred prior to the Issuer's registration of a class of equity securities under Section 12 of the Securities Exchange Act of 1934, as amended, in connection with the Offering, and is reported herein pursuant to Rule 16a-2(a).

F2 · derivative.exercise_date: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.

F2 · derivative.expiration_date: The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.