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 |
2025-02-18 Purchase |
2025-02-19 4:01 pm |
Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer |
25,000 | $6.67 | $166,750 | 1,938,194 (Indirect Direct) |
View |
2024-12-03 Purchase |
2024-12-04 9:03 pm |
Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer |
70,000 | $10.26 | $718,100 | 1,913,194 (Indirect Direct) |
View |
2024-11-18 Purchase |
2024-11-20 5:20 pm |
Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer |
10,000 | $14.89 | $148,925 | 1,843,194 (Indirect Direct) |
View |
2024-09-18 Purchase |
2024-09-20 6:34 pm |
Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer |
20,000 | $18.04 | $360,820 | 1,833,194 (Indirect 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 |
2024-09-16 Conversion(A) |
2024-09-17 8:54 pm |
N/A N/A |
Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer |
6,712,098 | $0 | 3,299,194 (Indirect) |
View |
2024-09-12 Option Award(A) |
2024-09-17 8:54 pm |
N/A 2034-09-11 |
Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer |
1,486,000 | $0 | 3,299,194 (Direct) |
View |
2024-09-16 Conversion |
2024-09-16 8:46 pm |
N/A N/A |
Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer |
6,712,098 | $0 | 2,179,175 (Indirect) |
View |
2024-09-12 Option Award |
2024-09-16 8:46 pm |
N/A 2034-09-11 |
Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer |
1,486,000 | $0 | 2,179,175 (Direct) |
View |
Ownership |
2024-09-12 9:33 pm |
N/A N/A |
Zenas BioPharma Inc. | ZBIO | MOULDER LEON O JR Chief Executive Officer |
0 | $0 | 2,121,263 (Indirect) |
View |
2024-06-18 Option Award |
2024-06-20 5:00 pm |
N/A N/A |
Zai Lab Ltd | ZLAB | MOULDER LEON O JR Director |
21,253 | $0 | 61,771 (Direct) |
View |
2024-05-23 Option Award |
2024-05-28 7:58 pm |
N/A 2034-05-22 |
Dianthus Therapeutics Inc. | DNTH | MOULDER LEON O JR Director |
11,000 | $0 | 11,000 (Direct) |
View |
2024-01-22 Option Award |
2024-01-24 7:04 pm |
N/A N/A |
Dianthus Therapeutics Inc. | DNTH | MOULDER LEON O JR Director |
166,667 | $12 | 1,436,745 (Indirect) |
View |
2023-09-11 Option Award |
2023-09-13 9:13 pm |
N/A 2033-09-10 |
Dianthus Therapeutics Inc. | DNTH | MOULDER LEON O JR Director |
6,500 | $0 | 6,500 (Direct) |
View |
Ownership |
2023-09-13 8:46 pm |
N/A N/A |
Dianthus Therapeutics Inc. | DNTH | MOULDER LEON O JR Director |
0 | $0 | 1,270,078 (Indirect) |
View |
2023-06-29 Option Award |
2023-06-30 4:06 pm |
N/A N/A |
Zai Lab Ltd | ZLAB | MOULDER LEON O JR Director |
18,903 | $26.45 | 40,518 (Direct) |
View |
2023-06-15 Option Award |
2023-06-20 4:36 pm |
N/A 2033-06-15 |
TREVENA INC | TRVN | MOULDER LEON O JR Director |
13,700 | $0 | 13,700 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 5:27 pm |
N/A 2032-06-09 |
TREVENA INC | TRVN | MOULDER LEON O JR Director |
100,000 | $0 | 100,000 (Direct) |
View |
2022-01-03 Option Award |
2022-01-04 9:14 pm |
N/A N/A |
Zai Lab Ltd | ZLAB | MOULDER LEON O JR Director |
7,763 | $0 | 21,615 (Direct) |
View |
2021-05-28 Option Award |
2021-06-02 5:01 pm |
N/A 2031-05-28 |
TREVENA INC | TRVN | MOULDER LEON O JR Director |
68,577 | $0 | 68,577 (Direct) |
View |
2021-01-15 Option Award |
2021-01-20 6:37 pm |
N/A N/A |
Zai Lab Ltd | ZLAB | MOULDER LEON O JR Director |
3,852 | $0 | 13,852 (Direct) |
View |
Ownership |
2021-01-04 07:32 am |
N/A N/A |
Zai Lab Ltd | ZLAB | MOULDER LEON O JR Director |
0 | $0 | 10,000 (Direct) |
View |
2020-05-13 Option Award |
2020-05-15 5:25 pm |
N/A 2030-05-13 |
TREVENA INC | TRVN | MOULDER LEON O JR Director |
64,103 | $0 | 64,103 (Direct) |
View |