ABEO

SEC source: 0001493152-24-032393 · ownership.xml · nonDerivative · entry 1

Zeiher Bernhardt G · CIK 0001971421 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,044

F1 · kind: Upon vesting, a portion of the restricted stock may be surrendered to satisfy the reporting person's tax withholding obligation. Any deemed disposition of the withheld shares would be exempt pursuant to Rule 16b-3(e).

F2 · shares: All of the restricted stock will vest on August 13, 2025.

SEC source: 0001493152-24-028697 · ownership.xml · nonDerivative · entry 1

Vazzano Joseph Walter · CIK 0001715291 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 371,605

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-24-026649 · ownership.xml · nonDerivative · entry 1

Wuchterl Donald A. · CIK 0001857854 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,714

F1 · shares: All of the restricted stock will vest on July 8, 2025.

SEC source: 0001493152-24-026646 · ownership.xml · nonDerivative · entry 1

O'Malley Brendan M. · CIK 0001884342 · SVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 280,364

F1 · shares: The restricted stock will vest one-third on each of July 8, 2025, July 8, 2026 and July 8, 2027.

SEC source: 0001493152-24-026648 · ownership.xml · nonDerivative · entry 1

Vazzano Joseph Walter · CIK 0001715291 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 372,660

F1 · shares: The restricted stock will vest one-third on each of July 8, 2025, July 8, 2026 and July 8, 2027.

SEC source: 0001493152-24-026647 · ownership.xml · nonDerivative · entry 1

Silverstein Christine Berni · CIK 0001772546 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,674

F1 · shares: All of the restricted stock will vest on July 8, 2025.

SEC source: 0001493152-24-026644 · ownership.xml · nonDerivative · entry 1

Alvino Mark · CIK 0001356828 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,537

F1 · shares: All of the restricted stock will vest on July 8, 2025.

SEC source: 0001493152-24-026645 · ownership.xml · nonDerivative · entry 1

Amoroso Michael · CIK 0001830874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,568

F1 · shares: All of the restricted stock will vest on July 8, 2025.

SEC source: 0001493152-24-026641 · ownership.xml · nonDerivative · entry 1

Charles Faith L. · CIK 0001853985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,934

F1 · shares: All of the restricted stock will vest on July 8, 2025.

SEC source: 0001493152-24-026643 · ownership.xml · nonDerivative · entry 1

Alland Leila · CIK 0001825216 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,468

F1 · shares: All of the restricted stock will vest on July 8, 2025.

SEC source: 0001493152-24-026642 · ownership.xml · nonDerivative · entry 1

Seshadri Vishwas · CIK 0001865131 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 922,936

F1 · shares: The restricted stock will vest one-third on each of July 8, 2025, July 8, 2026 and July 8, 2027.

SEC source: 0001493152-24-024528 · ownership.xml · nonDerivative · entry 1

Alvino Mark · CIK 0001356828 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,926

F1 · kind: The sale reported in this Form 4 was to cover tax obligations associated with vesting of restricted stock awards.

F2 · price: Weighted average price. These shares were sold in multiple transactions at prices ranging from $4.47 to $4.55 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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 range set forth above.

SEC source: 0001493152-24-024527 · ownership.xml · nonDerivative · entry 1

Silverstein Christine Berni · CIK 0001772546 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,063

F1 · kind: The sale reported in this Form 4 was to cover tax obligations associated with vesting of restricted stock awards.

F2 · price: Weighted average price. These shares were sold in multiple transactions at prices ranging from $4.47 to $4.55 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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 range set forth above.

SEC source: 0001493152-24-023125 · ownership.xml · nonDerivative · entry 1

Vazzano Joseph Walter · CIK 0001715291 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 217,460

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-24-023124 · ownership.xml · nonDerivative · entry 1

Seshadri Vishwas · CIK 0001865131 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 498,936

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-24-023122 · ownership.xml · nonDerivative · entry 1

O'Malley Brendan M. · CIK 0001884342 · SVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,675

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-24-022756 · ownership.xml · nonDerivative · entry 1

Seshadri Vishwas · CIK 0001865131 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 537,557

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-24-020542 · ownership.xml · nonDerivative · entry 1

Alland Leila · CIK 0001825216 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,857

SEC source: 0000902664-24-003378 · ownership.xml · derivative · entry 1

Adage Capital Management, L.P. · CIK 0001535978 · 10% owner

Atchinson Robert · CIK 0001403404 · 10% owner

Gross Phillip · CIK 0001403413 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 2,948,475

Underlying: Common Stock · 2,948,475 shares

Expires not disclosed

F1 · derivative.exercise_price: Initial exercise price is $0.0001, subject to adjustments as set forth in the Pre-funded Warrant.

F2 · derivative.exercise_date: Subject to the terms and conditions set forth in the Pre-funded Warrant, the holder thereof may, at any time and from time to time on or after May 7, 2024, exercise the Pre-funded Warrant until it has been exercised in full. The Pre-funded Warrants contain an issuance limitation prohibiting the holder of such Pre-funded Warrants from exercising the Pre-funded Warrants until such time as the holder, together with certain related parties, would not beneficially own after any such exercise more than 9.99% of the then issued and outstanding common stock (the "Blocker"). Due to the Blocker, the Pre-funded Warrants held by ACP (as defined below) are not presently exercisable in full.

F2 · derivative.expiration_date: Subject to the terms and conditions set forth in the Pre-funded Warrant, the holder thereof may, at any time and from time to time on or after May 7, 2024, exercise the Pre-funded Warrant until it has been exercised in full. The Pre-funded Warrants contain an issuance limitation prohibiting the holder of such Pre-funded Warrants from exercising the Pre-funded Warrants until such time as the holder, together with certain related parties, would not beneficially own after any such exercise more than 9.99% of the then issued and outstanding common stock (the "Blocker"). Due to the Blocker, the Pre-funded Warrants held by ACP (as defined below) are not presently exercisable in full.

F3 · ownership.nature: The securities to which this filing relates are held directly by Adage Capital Partners, L.P., a Delaware limited partnership ("ACP"). Adage Capital Management, L.P., a Delaware limited partnership ("ACM"), serves as the investment manager of ACP and as such has discretion over the portfolio securities held by ACP. Robert Atchinson and Phillip Gross are the managing members of (i) Adage Capital Advisors, L.L.C., a Delaware limited liability company, managing member of Adage Capital Partners GP, L.L.C., a Delaware limited liability company, general partner of ACP and (ii) Adage Capital Partners LLC, a Delaware limited liability company, general partner of ACM.

F4 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except as to such extent of such Reporting Person's pecuniary interest in the securities, if any.

SEC source: 0001493152-24-016852 · ownership.xml · nonDerivative · entry 1

Charles Faith L. · CIK 0001853985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,323

SEC source: 0001493152-24-016064 · ownership.xml · nonDerivative · entry 1

O'Malley Brendan M. · CIK 0001884342 · SVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,718

SEC source: 0001493152-24-016062 · ownership.xml · nonDerivative · entry 1

Vazzano Joseph Walter · CIK 0001715291 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 233,868

F1 · price: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $3.13 to $3.15, inclusive. The reporting person undertakes to provide to the Issuer, any security holder, or the Staff of the SEC, upon request, full information regarding the number of shares disposed at each separate price within the ranges set forth in this footnote.

SEC source: 0001493152-24-016853 · ownership.xml · nonDerivative · entry 1

Seshadri Vishwas · CIK 0001865131 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 538,260

SEC source: 0001493152-24-023117 · ownership.xml · nonDerivative · entry 1

O'Malley Brendan M. · CIK 0001884342 · SVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,026

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-24-010132 · ownership.xml · nonDerivative · entry 1

Vazzano Joseph Walter · CIK 0001715291 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 228,260

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-24-009682 · ownership.xml · nonDerivative · entry 1

O'Malley Brendan M. · CIK 0001884342 · SVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,118

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-24-005208 · ownership.xml · nonDerivative · entry 1

Seshadri Vishwas · CIK 0001865131 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 528,260

F1 · price: Weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.34 to $4.40 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

SEC source: 0001493152-24-003193 · ownership.xml · nonDerivative · entry 1

Alvino Mark · CIK 0001356828 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,816

F1 · price: Weighted average price. These shares were sold in multiple transactions at prices ranging from $5.10 to $5.15 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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 range set forth above.

SEC source: 0001493152-23-037500 · ownership.xml · nonDerivative · entry 1

Seshadri Vishwas · CIK 0001865131 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 508,260

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-23-034904 · ownership.xml · nonDerivative · entry 1

Vazzano Joseph Walter · CIK 0001715291 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 228,963

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-23-034916 · ownership.xml · nonDerivative · entry 1

Seshadri Vishwas · CIK 0001865131 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 508,441

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-23-034903 · ownership.xml · nonDerivative · entry 1

O'Malley Brendan M. · CIK 0001884342 · SVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,301

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-23-034858 · ownership.xml · nonDerivative · entry 1

Silverstein Christine Berni · CIK 0001772546 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,884

F1 · kind: The sale reported in this Form 4 was to cover tax obligations associated with vesting of restricted stock awards.

F2 · price: Weighted average price. These shares were sold in multiple transactions at prices ranging from $3.8200 to $4.2000 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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 range set forth above.

SEC source: 0001493152-23-034856 · ownership.xml · nonDerivative · entry 1

Alvino Mark · CIK 0001356828 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,900

F1 · kind: The sale reported in this Form 4 was to cover tax obligations associated with vesting of restricted stock awards.

F2 · price: Weighted average price. These shares were sold in multiple transactions at prices ranging from $3.8200 to $4.2050 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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 range set forth above.

SEC source: 0001493152-23-034857 · ownership.xml · nonDerivative · entry 1

Charles Faith L. · CIK 0001853985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,773

F1 · kind: The sale reported in this Form 4 was to cover tax obligations associated with vesting of restricted stock awards.

F2 · price: Weighted average price. These shares were sold in multiple transactions at prices ranging from $3.8200 to $4.2100 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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 range set forth above.

SEC source: 0001493152-23-034855 · ownership.xml · nonDerivative · entry 1

Amoroso Michael · CIK 0001830874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,957

F1 · kind: The sale reported in this Form 4 was to cover tax obligations associated with vesting of restricted stock awards.

F2 · price: Weighted average price. These shares were sold in multiple transactions at prices ranging from $3.8200 to $4.2000 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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 range set forth above.

SEC source: 0001493152-23-034854 · ownership.xml · nonDerivative · entry 1

Alland Leila · CIK 0001825216 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,857

F1 · kind: The sale reported in this Form 4 was to cover tax obligations associated with vesting of restricted stock awards.

F2 · price: Weighted average price. These shares were sold in multiple transactions at prices ranging from $3.8200 to $4.2000 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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 range set forth above.

SEC source: 0001493152-23-034741 · ownership.xml · nonDerivative · entry 1

Seshadri Vishwas · CIK 0001865131 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 521,731

F1 · price: Weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.88 to $4.19 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

SEC source: 0001493152-23-033448 · ownership.xml · nonDerivative · entry 1

O'Malley Brendan M. · CIK 0001884342 · SVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,858

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-23-033446 · ownership.xml · nonDerivative · entry 1

Amoroso Michael · CIK 0001830874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,465

F1 · kind: The transaction reported in this Form 4 was to cover tax obligations associated with vesting of restricted stock awards.

SEC source: 0001493152-23-033142 · ownership.xml · nonDerivative · entry 2

Vazzano Joseph Walter · CIK 0001715291 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 238,179

SEC source: 0001493152-23-033142 · ownership.xml · nonDerivative · entry 1

Vazzano Joseph Walter · CIK 0001715291 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 235,193

SEC source: 0001493152-23-033000 · ownership.xml · nonDerivative · entry 1

O'Malley Brendan M. · CIK 0001884342 · SVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,421

SEC source: 0001493152-23-025515 · ownership.xml · nonDerivative · entry 1

Vazzano Joseph Walter · CIK 0001715291 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 235,179

F1 · kind: Represents shares of restricted stock surrendered to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001493152-23-021996 · ownership.xml · nonDerivative · entry 1

Amoroso Michael · CIK 0001830874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,792

F1 · kind: The sale reported in this Form 4 was to cover tax obligations associated with vesting of restricted stock awards.

SEC source: 0001493152-23-021652 · ownership.xml · nonDerivative · entry 1

Alvino Mark · CIK 0001356828 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,216

F1 · shares: All of the restricted stock will vest on June 14, 2024.

SEC source: 0001493152-23-021653 · ownership.xml · nonDerivative · entry 1

Amoroso Michael · CIK 0001830874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,130

F1 · shares: All of the restricted stock will vest on June 14, 2024.

SEC source: 0001493152-23-021650 · ownership.xml · nonDerivative · entry 1

Charles Faith L. · CIK 0001853985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,103

F1 · shares: All of the restricted stock will vest on June 14, 2024.

SEC source: 0001493152-23-021648 · ownership.xml · nonDerivative · entry 1

Silverstein Christine Berni · CIK 0001772546 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,214

F1 · shares: All of the restricted stock will vest on June 14, 2024.

SEC source: 0001493152-23-021649 · ownership.xml · nonDerivative · entry 1

Wuchterl Donald A. · CIK 0001857854 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,103

F1 · shares: All of the restricted stock will vest on June 14, 2024.