Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-05-18 Purchase | 2026-05-18 9:12 pm | Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer | 60,000 | $16.88 | $1,012,800 | 2,306,122 (Indirect Direct) | View |
| 2026-04-28 Purchase | 2026-04-29 7:21 pm | Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer | 60,000 | $17.79 | $1,067,200 | 2,246,122 (Indirect Direct) | View |
| 2026-03-31 Purchase | 2026-04-02 5:02 pm | Zenas BioPharma Inc. | ZBIO | Lu Hongbo Director | 3,768 | $18.63 | $70,198 | 426,736 (Indirect) | View |
| 2026-03-31 Purchase | 2026-04-01 4:30 pm | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 150,000 | $20 | $3,000,000 | 2,359,025 (Indirect) | View |
| 2026-03-30 Purchase | 2026-03-31 8:14 pm | Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer | 54,000 | $18.91 | $1,021,140 | 2,186,122 (Indirect Direct) | View |
| 2026-03-31 Purchase | 2026-03-31 5:00 pm | Zenas BioPharma Inc. | ZBIO | Lu Hongbo Director | 75,000 | $20 | $1,500,000 | 422,968 (Indirect) | View |
| 2026-02-11 Purchase | 2026-02-13 5:35 pm | Zenas BioPharma Inc. | ZBIO | Lu Hongbo Director | 25,985 | $22.5 | $584,663 | 347,968 (Indirect) | View |
| 2026-02-12 Purchase | 2026-02-13 5:06 pm | Zenas BioPharma Inc. | ZBIO | Allen Patricia L Director | 19,860 | $25.16 | $499,746 | 19,860 (Direct) | View |
| 2026-02-02 Purchase | 2026-02-03 4:30 pm | Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer | 57,000 | $17.96 | $1,023,720 | 2,132,122 (Indirect Direct) | View |
| 2026-01-07 Purchase | 2026-01-09 9:42 pm | Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer | 100,000 | $16.39 | $1,639,000 | 2,075,122 (Indirect Direct) | View |
| 2025-10-09 Purchase | 2025-10-14 5:16 pm | Zenas BioPharma Inc. | ZBIO | Nunn Jason Raleigh Director | 63,158 | $19 | $1,200,002 | 3,119,959 (Indirect) | View |
| 2025-10-09 Purchase | 2025-10-14 5:14 pm | Zenas BioPharma Inc. | ZBIO | SR ONE CAPITAL MANAGEMENT LLC George Simeon 10% Owner | 126,315 | $19 | $2,399,985 | 3,864,459 (Indirect) | View |
| 2025-10-09 Purchase | 2025-10-14 08:59 am | Zenas BioPharma Inc. | ZBIO | ENRIGHT PATRICK G Director | 117,255 | $19.19 | $2,250,027 | 2,619,189 (Indirect Direct) | View |
| 2025-10-07 Purchase | 2025-10-09 5:24 pm | Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR See Remarks | 36,928 | $20.85 | $769,949 | 1,975,122 (Indirect Direct) | View |
| 2025-10-07 Purchase | 2025-10-09 4:15 pm | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 316,219 | $19 | $6,008,161 | 2,209,025 (Indirect) | View |
| 2024-09-13 Purchase | 2025-10-09 3:37 pm | Zenas BioPharma Inc. | ZBIO | Lu Hongbo Director | 321,983 | $18.63 | $6,000,031 | 321,983 (Indirect) | View |
| 2025-02-07 Purchase(A) | 2025-04-28 07:07 am | Zenas BioPharma Inc. | ZBIO | Xiao Ting Director | 10,000 | $7.76 | $77,600 | 10,000 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-06-15 Option Award | 2026-06-17 6:09 pm | N/A 2036-06-15 | Zenas BioPharma Inc. | ZBIO | Nunn Jason Raleigh Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 6:03 pm | N/A 2036-06-15 | Zenas BioPharma Inc. | ZBIO | Lu Hongbo Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 6:02 pm | N/A 2036-06-15 | Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR See Remarks | 500,000 | $0 | 500,000 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 6:02 pm | N/A 2036-06-15 | Zenas BioPharma Inc. | ZBIO | ORLOFF JOHN J Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 6:02 pm | N/A 2036-06-15 | Zenas BioPharma Inc. | ZBIO | von Moltke Lisa See Remarks | 150,000 | $0 | 150,000 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 6:01 pm | N/A 2036-06-15 | Zenas BioPharma Inc. | ZBIO | Allen Patricia L Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 6:01 pm | N/A 2036-06-15 | Zenas BioPharma Inc. | ZBIO | Boylan James P Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 6:00 pm | N/A 2036-06-15 | Zenas BioPharma Inc. | ZBIO | ENRIGHT PATRICK G Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2026-02-05 Option Award | 2026-06-17 6:00 pm | N/A N/A | Zenas BioPharma Inc. | ZBIO | Farmer Joseph L See Remarks | 974 | $13.35 | 175,974 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 6:00 pm | N/A 2036-06-15 | Zenas BioPharma Inc. | ZBIO | Farmer Joseph L See Remarks | 175,000 | $0 | 175,974 (Direct) | View |
| 2026-02-05 Option Award | 2026-06-17 6:00 pm | N/A N/A | Zenas BioPharma Inc. | ZBIO | Fox Jennifer A. See Remarks | 1,592 | $13.35 | 126,592 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 6:00 pm | N/A 2036-06-15 | Zenas BioPharma Inc. | ZBIO | Fox Jennifer A. See Remarks | 125,000 | $0 | 126,592 (Direct) | View |
Ownership | 2025-10-15 06:12 am | N/A N/A | Zenas BioPharma Inc. | ZBIO | InnoCare Pharma Inc. 10% Owner | 0 | $0 | 5,000,000 (Direct) | View |
| 2025-06-10 Option Award | 2025-06-12 4:58 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | Nunn Jason Raleigh Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2025-06-10 Option Award | 2025-06-12 4:38 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | Fox Jennifer A. See Remarks | 150,000 | $0 | 150,000 (Direct) | View |
| 2025-06-10 Option Award | 2025-06-12 4:37 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | Oliveira Orlando See Remarks | 100,000 | $0 | 100,000 (Direct) | View |
| 2025-06-10 Option Award | 2025-06-12 4:36 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | Boylan James P Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2025-06-10 Option Award | 2025-06-12 4:35 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | Allen Patricia L Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2025-06-10 Option Award | 2025-06-12 4:35 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | Farmer Joseph L See Remarks | 175,000 | $0 | 175,000 (Direct) | View |
| 2025-06-10 Option Award | 2025-06-12 4:34 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 18,500 | $0 | 18,500 (Indirect) | View |
| 2025-06-10 Option Award | 2025-06-12 4:33 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | ENRIGHT PATRICK G Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2025-06-10 Option Award | 2025-06-12 4:32 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | ORLOFF JOHN J Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2025-06-10 Option Award | 2025-06-12 4:31 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | Lu Hongbo Director | 18,500 | $0 | 18,500 (Direct) | View |
| 2025-06-10 Option Award | 2025-06-12 4:30 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR See Remarks | 400,000 | $0 | 400,000 (Direct) | View |
| 2025-04-15 Option Award | 2025-04-17 4:01 pm | N/A 2035-04-14 | Zenas BioPharma Inc. | ZBIO | von Moltke Lisa See Remarks | 400,000 | $0 | 400,000 (Direct) | View |