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 |
2021-09-17 Purchase |
2021-09-17 4:41 pm |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
20,000 | $1.5976 | $31,952 | 98,257 (Direct) |
View |
2021-07-26 Purchase |
2021-07-26 4:38 pm |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
15,000 | $1.698 | $25,470 | 78,257 (Direct) |
View |
2021-04-23 Purchase |
2021-04-26 5:14 pm |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
10,000 | $1.6 | $16,000 | 57,000 (Direct) |
View |
2021-03-29 Purchase |
2021-03-29 4:38 pm |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
21,500 | $2.07 | $44,505 | 47,000 (Direct) |
View |
2021-03-03 Purchase |
2021-03-03 4:34 pm |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
15,000 | $2.31 | $34,650 | 25,500 (Direct) |
View |
2020-12-28 Purchase |
2020-12-30 4:33 pm |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
5,000 | $2.07 | $10,350 | 10,500 (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 |
2022-11-30 Option Award(A) |
2022-11-30 7:27 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
1,250 | $0 | 165,138 (Direct) |
View |
2022-11-30 Option Award |
2022-11-30 4:13 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
1,250 | $0 | 163,888 (Direct) |
View |
2022-10-31 Option Award |
2022-11-01 4:35 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 163,888 (Direct) |
View |
2022-09-30 Option Award |
2022-10-04 5:33 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 161,388 (Direct) |
View |
2022-08-31 Option Award |
2022-09-01 9:46 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 159,118 (Direct) |
View |
2022-07-31 Option Award |
2022-08-01 5:40 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 156,388 (Direct) |
View |
2022-06-30 Option Award |
2022-07-05 4:34 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 153,888 (Direct) |
View |
2022-05-31 Option Award |
2022-06-01 4:37 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 151,388 (Direct) |
View |
2022-04-30 Option Award |
2022-05-03 7:13 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 148,888 (Direct) |
View |
2022-03-31 Option Award |
2022-03-31 4:13 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 146,388 (Direct) |
View |
2022-02-28 Option Award |
2022-03-01 4:11 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 143,888 (Direct) |
View |
2022-01-31 Option Award |
2022-02-01 4:52 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 141,388 (Direct) |
View |
2021-12-31 Option Award |
2022-01-04 5:41 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0 | 138,888 (Direct) |
View |
2021-11-15 Option Award |
2021-12-02 4:15 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
4,136 | $0 | 136,388 (Direct) |
View |
2021-11-15 Option Award |
2021-12-02 4:15 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
30,000 | $0.001 | 136,388 (Direct) |
View |
2021-09-30 Option Award |
2021-10-01 4:01 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
3,995 | $0 | 102,252 (Direct) |
View |
2021-06-30 Option Award |
2021-07-07 5:47 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
3,757 | $0 | 63,257 (Direct) |
View |
2021-01-13 Option Award |
2021-01-14 4:39 pm |
2022-01-13 2031-01-13 |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
2,500 | $0.001 | 15,500 (Direct) |
View |
Ownership |
2020-12-30 4:32 pm |
N/A N/A |
NAVIDEA BIOPHARMACEUTICALS INC. | NAVB | Witter Malcolm G Director |
0 | $0 | 5,500 (Direct) |
View |