RLYB

SEC source: 0001193125-26-421747 · ownership.xml · derivative · entry 6

Hopfner Robert Lorne · CIK 0001551966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,062 shares

Expires 2034-05-15

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.

F4 · derivative.exercise_date: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 15, 2025 or the date of the Company's 2025 Annual Meeting of Stockholders.

SEC source: 0001193125-26-421747 · ownership.xml · derivative · entry 5

Hopfner Robert Lorne · CIK 0001551966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,562 shares

Expires 2035-05-13

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.

F3 · derivative.exercise_date: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0001193125-26-421747 · ownership.xml · derivative · entry 4

Hopfner Robert Lorne · CIK 0001551966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,196 shares

Expires 2035-01-02

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: This option was issued to the reporting person pursuant to the Company's 2021 Equity Incentive Plan in lieu of retainer fees of $51,500.

F1 · derivative.exercise_date: The option vests as to the underlying shares of Common Stock in 12 equal installments, each on the last day of each month of calendar year 2025.

SEC source: 0001193125-26-421747 · ownership.xml · nonDerivative · entry 3

Hopfner Robert Lorne · CIK 0001551966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,820

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: 0001193125-26-421747 · ownership.xml · nonDerivative · entry 2

Hopfner Robert Lorne · CIK 0001551966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,758

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: 0001193125-26-421747 · ownership.xml · nonDerivative · entry 1

Hopfner Robert Lorne · CIK 0001551966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,196

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: 0001193125-26-420562 · ownership.xml · derivative · entry 2

Lieber Jonathan I · CIK 0001350090 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,910 shares

Expires 2035-02-14

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.

F1 · derivative.exercise_date: The option is granted under the Company's 2021 Equity Incentive Plan. The option vests in 48 equal monthly installments until fully vested on February 14, 2029.

SEC source: 0001193125-26-420562 · ownership.xml · nonDerivative · entry 1

Lieber Jonathan I · CIK 0001350090 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,650

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: 0001193125-26-418051 · ownership.xml · derivative · entry 2

Uden Stephen · CIK 0001332141 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 22,456 shares

Expires 2035-02-14

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.

F1 · derivative.exercise_date: The option is granted under the Company's 2021 Equity Incentive Plan. The option vests in 48 equal monthly installments until fully vested on February 14, 2029.

SEC source: 0001193125-26-418051 · ownership.xml · nonDerivative · entry 1

Uden Stephen · CIK 0001332141 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,620

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: 0001193125-26-410885 · ownership.xml · derivative · entry 2

Lieber Jonathan I · CIK 0001350090 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 shares

Expires 2035-02-14

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.

F1 · derivative.exercise_date: The option is granted under the Company's 2021 Equity Incentive Plan. The option vests in 48 equal monthly installments until fully vested on February 14, 2029.

SEC source: 0001193125-26-410885 · ownership.xml · nonDerivative · entry 1

Lieber Jonathan I · CIK 0001350090 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,740

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: 0001193125-26-405753 · ownership.xml · derivative · entry 4

Liu Hui · CIK 0001790518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,482 shares

Expires 2035-01-02

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: This option was issued to the reporting person pursuant to the Company's 2021 Equity Incentive Plan in lieu of retainer fees of $47,500.

F1 · derivative.exercise_date: The option vests as to the underlying shares of Common Stock in 12 equal installments, each on the last day of each month of calendar year 2025.

SEC source: 0001193125-26-405753 · ownership.xml · derivative · entry 3

Liu Hui · CIK 0001790518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,562 shares

Expires 2035-05-13

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: 0001193125-26-405753 · ownership.xml · nonDerivative · entry 2

Liu Hui · CIK 0001790518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,044

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: 0001193125-26-405753 · ownership.xml · nonDerivative · entry 1

Liu Hui · CIK 0001790518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,562

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: 0001193125-26-395755 · ownership.xml · derivative · entry 2

Chung Wendy · CIK 0001922605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,562 shares

Expires 2035-05-13

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: 0001193125-26-395755 · ownership.xml · nonDerivative · entry 1

Chung Wendy · CIK 0001922605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,562

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: 0001193125-26-300913 · ownership.xml · derivative · entry 2

Boudreau Helen M · CIK 0001661481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,562 shares

Expires 2035-05-13

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: 0001193125-26-300913 · ownership.xml · nonDerivative · entry 1

Boudreau Helen M · CIK 0001661481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,542

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: 0001104659-26-064729 · tm2615289-1_4seq1.xml · nonDerivative · entry 3

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 926,352

F3 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F4 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-064729 · tm2615289-1_4seq1.xml · nonDerivative · entry 2

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 926,152

F2 · price: The reported price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.9350 to $14.0000, inclusive. Each Reporting Person undertakes to provide to Rallybio Corp, any security holder of Rallybio Corp or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F4 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-064729 · tm2615289-1_4seq1.xml · nonDerivative · entry 1

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 916,152

F1 · price: The reported price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.9100 to $14.0000, inclusive. Each Reporting Person undertakes to provide Rallybio Corp, any security holder of Rallybio Corp or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F4 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-062883 · tm2614866-1_4seq1.xml · nonDerivative · entry 4

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 910,143

F2 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-062883 · tm2614866-1_4seq1.xml · nonDerivative · entry 3

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 909,943

F2 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-062883 · tm2614866-1_4seq1.xml · nonDerivative · entry 2

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 909,843

F2 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-062883 · tm2614866-1_4seq1.xml · nonDerivative · entry 1

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 834,665

F1 · price: The reported price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.7700 to $13.8000, inclusive. Each Reporting Person undertakes to provide to Rallybio Corp, any security holder of Rallybio Corp or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-060513 · tm2614593-1_4seq1.xml · nonDerivative · entry 4

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 830,584

F2 · price: The reported price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.7500 to $13.9300, inclusive. Each Reporting Person undertakes to provide to Rallybio Corp, any security holder of Rallybio Corp or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F4 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-060513 · tm2614593-1_4seq1.xml · nonDerivative · entry 3

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 829,784

F3 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F4 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-060513 · tm2614593-1_4seq1.xml · nonDerivative · entry 2

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 809,884

F3 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F4 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-060513 · tm2614593-1_4seq1.xml · nonDerivative · entry 1

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 784,884

F1 · price: The reported price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.9164 to $14.0000, inclusive. Each Reporting Person undertakes to provide to Rallybio Corp, any security holder of Rallybio Corp or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F4 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-056540 · tm2613874-2_4seq1.xml · nonDerivative · entry 3

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 779,784

F3 · price: The reported price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.9100 to $14.0000, inclusive. Each Reporting Person undertakes to provide to Rallybio Corporation, any security holder of Rallybio Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F4 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F5 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-056540 · tm2613874-2_4seq1.xml · nonDerivative · entry 2

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 744,683

F2 · price: The reported price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.8600 to $14.0000, inclusive. Each Reporting Person undertakes to provide to Rallybio Corporation, any security holder of Rallybio Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F4 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F5 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001104659-26-056540 · tm2613874-2_4seq1.xml · nonDerivative · entry 1

ADAR1 Capital Management, LLC · CIK 0001940272 · 10% owner

Schneeberger Daniel · CIK 0001861120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 627,779

F1 · price: The reported price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.8611 to $14.0000, inclusive. Each Reporting Person undertakes to provide to Rallybio Corporation, any security holder of Rallybio Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F4 · ownership.nature: The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.

F5 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC source: 0001739410-26-000022 · wk-form4_1771888890.xml · nonDerivative · entry 2

Lieber Jonathan I · CIK 0001350090 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,115

F1 · shares: The reporting person sold shares of common stock upon the partial vesting of a performance stock award, solely to satisfy tax withholding obligations incurred upon vesting.

SEC source: 0001628280-26-010334 · wk-form4_1771628906.xml · derivative · entry 1

MACKAY MARTIN · CIK 0001414815 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,055

Underlying: Common Stock · 18,055 shares

Expires 2036-02-18

F1 · derivative.exercise_date: The option vests as to the underlying shares of Common Stock in 11 equal installments, each on the last day of each remaining month of calendar year 2026.

F2 · derivative.underlying_shares: This option was issued to the reporting person pursuant to the Company's 2021 Equity Incentive Plan in lieu of retainer fees of $65,000.

SEC source: 0001739410-26-000015 · wk-form4_1771627849.xml · derivative · entry 1

HUNT RONALD · CIK 0001247851 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,305

Underlying: Common Stock · 14,305 shares

Expires 2036-02-18

F2 · price: This option was issued to the reporting person pursuant to the Company's 2021 Equity Incentive Plan in lieu of retainer fees of $51,500.

F1 · derivative.exercise_date: The option vests as to the underlying shares of Common Stock in 11 equal installments, each on the last day of each remaining month of calendar year 2026.

SEC source: 0001739410-26-000022 · wk-form4_1771888890.xml · nonDerivative · entry 1

Lieber Jonathan I · CIK 0001350090 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,904

SEC source: 0001739410-25-000086 · wk-form4_1747343353.xml · derivative · entry 1

Chung Wendy · CIK 0001922605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,500

Underlying: Common Stock · 28,500 shares

Expires 2035-05-13

F1 · derivative.exercise_date: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0001739410-25-000087 · wk-form4_1747343402.xml · derivative · entry 1

Boudreau Helen M · CIK 0001661481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,500

Underlying: Common Stock · 28,500 shares

Expires 2035-05-13

F1 · derivative.exercise_date: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0001739410-25-000085 · wk-form4_1747343299.xml · derivative · entry 1

HUNT RONALD · CIK 0001247851 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,500

Underlying: Common Stock · 28,500 shares

Expires 2035-05-13

F1 · derivative.exercise_date: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0001739410-25-000084 · wk-form4_1747343247.xml · derivative · entry 1

Nash Christine A · CIK 0001554403 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,500

Underlying: Common Stock · 28,500 shares

Expires 2035-05-13

F1 · derivative.exercise_date: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0001739410-25-000083 · wk-form4_1747343196.xml · derivative · entry 1

Hopfner Robert Lorne · CIK 0001551966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,500

Underlying: Common Stock · 28,500 shares

Expires 2035-05-13

F1 · derivative.exercise_date: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0001739410-25-000082 · wk-form4_1747343116.xml · derivative · entry 1

Soteropoulos Paula · CIK 0001692444 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,500

Underlying: Common Stock · 28,500 shares

Expires 2035-05-13

F1 · derivative.exercise_date: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0001739410-25-000081 · wk-form4_1747343015.xml · derivative · entry 1

Liu Hui · CIK 0001790518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,500

Underlying: Common Stock · 28,500 shares

Expires 2035-05-13

F1 · derivative.exercise_date: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0001739410-25-000080 · wk-form4_1747342769.xml · derivative · entry 1

MACKAY MARTIN · CIK 0001414815 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,500

Underlying: Common Stock · 28,500 shares

Expires 2035-05-13

F1 · derivative.exercise_date: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0001739410-25-000014 · wk-form4_1740011448.xml · derivative · entry 1

Uden Stephen · CIK 0001332141 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 453,700

Underlying: Common Stock · 453,700 shares

Expires 2035-02-14

F1 · derivative.exercise_date: The option is granted under the Company's 2021 Equity Incentive Plan. The option vests in 48 equal monthly installments until fully vested on February 14, 2029.

SEC source: 0001739410-25-000013 · wk-form4_1740011340.xml · derivative · entry 1

Ryder Steven · CIK 0001872868 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,000

Underlying: Common Stock · 180,000 shares

Expires 2035-02-14

F1 · derivative.exercise_date: The option is granted under the Company's 2021 Equity Incentive Plan. The option vests in 48 equal monthly installments until fully vested on February 14, 2029.

SEC source: 0001739410-25-000012 · wk-form4_1740011231.xml · derivative · entry 1

Lieber Jonathan I · CIK 0001350090 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,000

Underlying: Common Stock · 180,000 shares

Expires 2035-02-14

F1 · derivative.exercise_date: The option is granted under the Company's 2021 Equity Incentive Plan. The option vests in 48 equal monthly installments until fully vested on February 14, 2029.

SEC source: 0001739410-25-000008 · wk-form4_1736201245.xml · derivative · entry 1

MACKAY MARTIN · CIK 0001414815 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,857

Underlying: Common Stock · 92,857 shares

Expires 2035-01-02

F2 · price: This option was issued to the reporting person pursuant to the Company's 2021 Equity Incentive Plan in lieu of retainer fees of $65,000.

F1 · derivative.exercise_date: The option vests as to the underlying shares of Common Stock in 12 equal installments, each on the last day of each month of calendar year 2025.