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 |
2022-12-01 Purchase |
2022-12-02 09:29 am |
IMMERSION CORP | IMMR | Singer Eric Executive Chair |
20,000 | $7.29 | $145,800 | 653,269 (Direct) |
View |
2022-11-07 Sale |
2022-11-09 8:01 pm |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX GP LLC VIEX Capital Advisors LLC Director |
60,541 | $18.01 | $1,090,162 | 46,566 (Indirect Direct) |
View |
2022-08-29 Purchase |
2022-08-30 4:56 pm |
IMMERSION CORP | IMMR | Singer Eric Executive Chair |
18,000 | $5.68 | $102,240 | 639,356 (Direct) |
View |
2022-08-18 Purchase |
2022-08-22 5:27 pm |
IMMERSION CORP | IMMR | Singer Eric Executive Chair |
119,117 | $5.2101 | $620,617 | 621,356 (Direct) |
View |
2022-08-04 Sale |
2022-08-05 6:00 pm |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One Director |
29,940 | $15.23 | $456,022 | 107,107 (Indirect Direct) |
View |
2022-06-07 Sale(A) |
2022-06-13 8:05 pm |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP - Series Two Director |
13,036 | $15.94 | $207,729 | 0 (Indirect) |
View |
2022-06-07 Sale |
2022-06-09 8:01 pm |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two Director |
35,000 | $15.88 | $555,929 | 126,756 (Indirect Direct) |
View |
2022-05-24 Sale |
2022-05-26 8:04 pm |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two Director |
140,000 | $14.69 | $2,056,260 | 86,215 (Indirect Direct) |
View |
2022-05-18 Sale |
2022-05-20 8:01 pm |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two Director |
180,000 | $14.74 | $2,652,599 | 126,215 (Indirect Direct) |
View |
2022-05-05 Sale |
2022-05-09 8:04 pm |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two Director |
598,535 | $15.05 | $9,009,407 | 176,175 (Indirect Direct) |
View |
2021-12-13 Purchase |
2021-12-15 09:30 am |
IMMERSION CORP | IMMR | Singer Eric Director |
143,000 | $5.2052 | $744,346 | 165,763 (Direct) |
View |
2021-11-01 Sale |
2021-11-03 8:15 pm |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP VIEX Special Opportunities Fund III LP Director |
2,500,000 | $15.74 | $39,342,430 | 3,168,260 (Indirect Direct) |
View |
2021-03-12 Sale |
2021-03-12 7:57 pm |
IMMERSION CORP | IMMR | Singer Eric VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Capital Advisors LLC Director |
100,000 | $10.69 | $1,069,140 | 521,642 (Indirect Direct) |
View |
2021-03-08 Sale |
2021-03-10 9:30 pm |
IMMERSION CORP | IMMR | Singer Eric VIEX Opportunities Fund LP Series One VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Capital Advisors LLC Director |
287,370 | $9.991 | $2,871,111 | 621,642 (Indirect Direct) |
View |
2021-02-18 Sale |
2021-02-19 8:32 pm |
IMMERSION CORP | IMMR | Singer Eric VIEX Opportunities Fund LP Series One VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Capital Advisors LLC Director |
496,837 | $12.78 | $6,351,505 | 310,133 (Indirect Direct) |
View |
2020-12-28 Sale |
2020-12-30 6:00 pm |
IMMERSION CORP | IMMR | Singer Eric VIEX Opportunities Fund LP Series One VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Capital Advisors LLC Director |
1,550,000 | $9.8011 | $15,191,693 | 508,869 (Indirect Direct) |
View |
2020-09-02 Sale |
2020-09-04 8:30 pm |
IMMERSION CORP | IMMR | Singer Eric VIEX Opportunities Fund LP Series One VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Capital Advisors LLC Director 10% Owner |
750,876 | $10.11 | $7,590,200 | 1,054,760 (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 |
2022-12-29 Option Award |
2023-01-03 7:39 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric President and CEO |
400,000 | $0 | 1,053,269 (Direct) |
View |
2022-10-01 Tax Withholding |
2022-10-04 5:08 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric Executive Chair |
6,087 | $5.49 | 633,269 (Direct) |
View |
2022-07-01 Tax Withholding |
2022-07-06 5:34 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric Executive Chair |
6,088 | $5.36 | 502,239 (Direct) |
View |
2022-06-24 Option Award |
2022-06-27 7:24 pm |
N/A N/A |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One Director |
10,316 | $0 | 137,047 (Direct) |
View |
2022-05-23 Option Award |
2022-05-25 7:43 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric Executive Chair |
22,851 | $0 | 508,417 (Direct) |
View |
2022-04-01 Tax Withholding |
2022-04-05 4:10 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric Executive Chair |
6,348 | $5.5 | 485,566 (Direct) |
View |
2022-01-27 Option Award |
2022-01-28 6:45 pm |
N/A 2027-01-01 |
IMMERSION CORP | IMMR | Singer Eric Executive Chair |
326,151 | $0 | 791,914 (Direct) |
View |
2021-12-01 Other |
2021-12-03 8:18 pm |
N/A N/A |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP Director |
864,720 | $0 | 1,944,971 (Indirect) |
View |
2021-11-08 Other |
2021-11-10 7:40 pm |
N/A N/A |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP Director |
224,143 | $0 | 2,169,114 (Indirect) |
View |
2021-11-01 Other |
2021-11-03 8:15 pm |
N/A N/A |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP VIEX Special Opportunities Fund III LP Director |
3,095,121 | $0 | 3,168,260 (Indirect) |
View |
2021-07-12 Other |
2021-07-14 7:00 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric Director |
498,879 | $0 | 521,642 (Indirect) |
View |
2021-06-10 Option Award |
2021-06-14 7:19 pm |
N/A N/A |
Velodyne Lidar Inc. | VLDR | Singer Eric Director |
14,463 | $0 | 14,463 (Direct) |
View |
2021-05-13 Other(A) |
2021-05-28 8:00 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric Director |
0 | $0 | 521,642 (Direct) |
View |
2021-05-13 Option Award(A) |
2021-05-18 8:00 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric Director |
17,313 | $0 | 538,955 (Direct) |
View |
2021-05-13 Option Award |
2021-05-17 5:15 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric Director |
14,674 | $0 | 536,316 (Direct) |
View |
2021-04-29 Option Award |
2021-05-03 4:30 pm |
N/A N/A |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP VIEX Special Opportunities Fund III LP Director 10% Owner |
16,949 | $0 | 7,764,235 (Direct) |
View |
Ownership |
2021-02-22 9:41 pm |
N/A N/A |
LEAF GROUP LTD. | LEAF | Singer Eric VIEX Opportunities Fund LP Series One VIEX GP LLC VIEX Capital Advisors LLC See Explanation of Responses |
0 | $0 | 2,604,745 (Indirect) |
View |
2020-09-01 Other |
2020-09-03 8:00 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric VIEX Opportunities Fund LP Series One VIEX GP LLC VIEX Special Opportunities Fund II LP VIEX Special Opportunities GP II LLC VIEX Capital Advisors LLC Director 10% Owner |
61,870 | $0 | 3,768,595 (Indirect) |
View |
2020-09-01 Other |
2020-09-03 4:17 pm |
N/A N/A |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP VIEX Special Opportunities Fund III LP VIEX GP LLC VIEX Special Opportunities GP II LLC VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director 10% Owner |
68,817 | $0 | 7,816,103 (Indirect) |
View |
2020-08-03 Other |
2020-08-05 4:12 pm |
N/A N/A |
A10 Networks Inc. | ATEN | Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP VIEX Special Opportunities Fund III LP VIEX GP LLC VIEX Special Opportunities GP II LLC VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director 10% Owner |
123,762 | $0 | 7,939,865 (Indirect) |
View |
2020-06-12 Option Award |
2020-06-16 4:03 pm |
N/A N/A |
IMMERSION CORP | IMMR | Singer Eric Director 10% Owner |
18,543 | $0 | 22,763 (Direct) |
View |
2020-05-27 Option Award |
2020-05-28 6:11 pm |
N/A N/A |
A10 Networks Inc. | ATEN | Singer Eric Director 10% Owner |
18,221 | $0 | 7,939,865 (Direct) |
View |