Insider Transactions last 24 months for 89BIO - NSDQ: ETNB
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Sarena Francis Willard Chief Operating Officer 08/05/2025 DF Direct COM 2,979 $9.69 $28,866.51 74,231 Palekar Rohan Chief Executive Officer 08/01/2025 DF Direct COM 55,836 $9.16 $511,457.76 808,070 Sarena Francis Willard Chief Operating Officer 08/01/2025 DF Direct COM 3,206 $9.16 $29,366.96 77,210 Martins Ryan Chief Financial Officer 08/01/2025 DF Direct COM 7,680 $9.16 $70,348.80 253,496 Mansbach Harry H Chief Medical Officer 08/01/2025 DF Direct COM 7,680 $9.16 $70,348.80 302,656 Le-Nguyen Quoc See Remarks 08/01/2025 DF Indirect COM 522 $9.16 $4,781.52 13,694 Le-Nguyen Quoc See Remarks 08/01/2025 DF Direct COM 7,680 $9.16 $70,348.80 301,684 Le-Nguyen Quoc See Remarks 07/15/2025 DS Direct COM 10,461 $11.02 $115,280.22 309,364 Le-Nguyen Quoc See Remarks 06/12/2025 DF Indirect COM 534 $9.62 $5,137.08 14,216 Le-Nguyen Quoc See Remarks 06/12/2025 DF Direct COM 8,498 $9.62 $81,750.76 319,825 Mansbach Harry H Chief Medical Officer 06/12/2025 DF Direct COM 8,498 $9.62 $81,750.76 310,336 Martins Ryan Chief Financial Officer 06/12/2025 DF Direct COM 8,498 $9.62 $81,750.76 261,176 Le-Nguyen Quoc See Remarks 04/15/2025 DS Direct COM 15,329 $5.95 $91,207.55 328,323 Martins Ryan Chief Financial Officer 02/17/2025 DF Direct COM 780 $10.57 $8,244.60 269,674 Mansbach Harry H Chief Medical Officer 02/17/2025 DF Direct COM 1,050 $10.57 $11,098.50 318,834 Palekar Rohan Chief Executive Officer 02/17/2025 DF Direct COM 3,249 $10.57 $34,341.93 862,240 Le-Nguyen Quoc See Remarks 02/17/2025 DF Direct COM 1,050 $10.57 $11,098.50 343,652 Mansbach Harry H Chief Medical Officer 02/09/2025 DF Direct COM 3,817 $11.41 $43,551.97 319,884 Le-Nguyen Quoc See Remarks 02/09/2025 DF Direct COM 3,793 $11.41 $43,278.13 344,702 Martins Ryan Chief Financial Officer 02/09/2025 DF Direct COM 3,828 $11.41 $43,677.48 270,454 Palekar Rohan Chief Executive Officer 02/09/2025 DF Direct COM 8,946 $11.41 $102,073.86 864,692 Sarena Francis Willard Chief Operating Officer 02/01/2025 AA Direct COM 53,750 $0.00 $0.00 78,750 Mansbach Harry H Chief Medical Officer 02/01/2025 DF Direct COM 3,338 $9.60 $32,044.80 323,701 Mansbach Harry H Chief Medical Officer 02/01/2025 AA Direct COM 80,000 $0.00 $0.00 327,039 Palekar Rohan Chief Executive Officer 02/01/2025 DF Direct COM 9,598 $9.60 $92,140.80 873,638
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Sarena Francis Willard Chief Operating Officer 02/01/2025 AA Direct COM 53,750 $0.00 $0.00 78,750 Mansbach Harry H Chief Medical Officer 02/01/2025 AA Direct COM 80,000 $0.00 $0.00 327,039 Palekar Rohan Chief Executive Officer 02/01/2025 AA Direct COM 200,000 $0.00 $0.00 883,236 Palekar Rohan Chief Executive Officer 02/01/2025 AA Direct COM 212,000 $0.00 $0.00 683,236 Le-Nguyen Quoc See Remarks 02/01/2025 AA Direct COM 80,000 $0.00 $0.00 351,833 Martins Ryan Chief Financial Officer 02/01/2025 AA Direct COM 80,000 $0.00 $0.00 277,620 Le-Nguyen Quoc See Remarks 02/01/2025 AA Indirect COM 8,750 $9.60 $84,000.00 14,750 Ra Capital Management, L.P. Director 01/30/2025 AP Indirect COM 5,714,285 $8.75 $49,999,993.75 19,554,319 Mcwherter Charles Director 01/22/2025 AP Direct COM 10,000 $6.71 $67,100.00 25,000 Mcwherter Charles Director 01/21/2025 AP Direct COM 5,000 $6.55 $32,750.00 15,000 Le-Nguyen Quoc See Remarks 12/12/2024 AA Indirect COM 6,000 $0.00 $0.00 6,000 Mcwherter Charles Director 12/05/2024 AP Direct COM 10,000 $8.00 $80,000.00 10,000 Palekar Rohan Chief Executive Officer 11/22/2024 AP Direct COM 10,000 $8.35 $83,500.00 466,236 Sarena Francis Willard Chief Operating Officer 08/05/2024 AA Direct COM 25,000 $0.00 $0.00 25,000 Ra Capital Management, L.P. Director 03/04/2024 AP Indirect COM 1,350,000 $15.35 $20,722,500.00 12,431,584 Martins Ryan Chief Financial Officer 02/01/2024 AA Direct COM 48,750 $0.00 $0.00 111,847 Palekar Rohan Chief Executive Officer 02/01/2024 AA Direct COM 150,000 $0.00 $0.00 498,714 Le-Nguyen Quoc See Remarks 02/01/2024 AA Direct COM 48,750 $0.00 $0.00 227,953 Mansbach Harry H Chief Medical Officer 02/01/2024 AA Direct COM 48,750 $0.00 $0.00 164,241 Palekar Rohan Chief Executive Officer 01/05/2024 AA Direct COM 75,000 $0.00 $0.00 376,225 Le-Nguyen Quoc See Remarks 01/05/2024 AA Direct COM 25,000 $0.00 $0.00 188,874 Martins Ryan Chief Financial Officer 01/05/2024 AA Direct COM 15,000 $0.00 $0.00 69,221 Mansbach Harry H Chief Medical Officer 01/05/2024 AA Direct COM 25,000 $0.00 $0.00 125,162
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Sarena Francis Willard Chief Operating Officer 08/05/2025 DF Direct COM 2,979 $9.69 $28,866.51 74,231 Palekar Rohan Chief Executive Officer 08/01/2025 DF Direct COM 55,836 $9.16 $511,457.76 808,070 Sarena Francis Willard Chief Operating Officer 08/01/2025 DF Direct COM 3,206 $9.16 $29,366.96 77,210 Martins Ryan Chief Financial Officer 08/01/2025 DF Direct COM 7,680 $9.16 $70,348.80 253,496 Mansbach Harry H Chief Medical Officer 08/01/2025 DF Direct COM 7,680 $9.16 $70,348.80 302,656 Le-Nguyen Quoc See Remarks 08/01/2025 DF Indirect COM 522 $9.16 $4,781.52 13,694 Le-Nguyen Quoc See Remarks 08/01/2025 DF Direct COM 7,680 $9.16 $70,348.80 301,684 Le-Nguyen Quoc See Remarks 07/15/2025 DS Direct COM 10,461 $11.02 $115,280.22 309,364 Le-Nguyen Quoc See Remarks 06/12/2025 DF Indirect COM 534 $9.62 $5,137.08 14,216 Le-Nguyen Quoc See Remarks 06/12/2025 DF Direct COM 8,498 $9.62 $81,750.76 319,825 Mansbach Harry H Chief Medical Officer 06/12/2025 DF Direct COM 8,498 $9.62 $81,750.76 310,336 Martins Ryan Chief Financial Officer 06/12/2025 DF Direct COM 8,498 $9.62 $81,750.76 261,176 Le-Nguyen Quoc See Remarks 04/15/2025 DS Direct COM 15,329 $5.95 $91,207.55 328,323 Martins Ryan Chief Financial Officer 02/17/2025 DF Direct COM 780 $10.57 $8,244.60 269,674 Mansbach Harry H Chief Medical Officer 02/17/2025 DF Direct COM 1,050 $10.57 $11,098.50 318,834 Palekar Rohan Chief Executive Officer 02/17/2025 DF Direct COM 3,249 $10.57 $34,341.93 862,240 Le-Nguyen Quoc See Remarks 02/17/2025 DF Direct COM 1,050 $10.57 $11,098.50 343,652 Mansbach Harry H Chief Medical Officer 02/09/2025 DF Direct COM 3,817 $11.41 $43,551.97 319,884 Le-Nguyen Quoc See Remarks 02/09/2025 DF Direct COM 3,793 $11.41 $43,278.13 344,702 Martins Ryan Chief Financial Officer 02/09/2025 DF Direct COM 3,828 $11.41 $43,677.48 270,454 Palekar Rohan Chief Executive Officer 02/09/2025 DF Direct COM 8,946 $11.41 $102,073.86 864,692 Mansbach Harry H Chief Medical Officer 02/01/2025 DF Direct COM 3,338 $9.60 $32,044.80 323,701 Palekar Rohan Chief Executive Officer 02/01/2025 DF Direct COM 9,598 $9.60 $92,140.80 873,638 Le-Nguyen Quoc See Remarks 02/01/2025 DF Direct COM 3,338 $9.60 $32,044.80 348,495 Martins Ryan Chief Financial Officer 02/01/2025 DF Direct COM 3,338 $9.60 $32,044.80 274,282
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Ra Capital Management, L.P. Director 04/11/2024 AX Indirect COM 1,408,450 $5.33 $7,499,996.25 13,840,034 Palekar Rohan Chief Executive Officer 04/01/2024 AM Direct COM 25,000 $1.93 $48,250.00 511,889
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Transaction Type Key A = Acquired, D = Disposed A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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