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 |
2024-02-15 Sale |
2024-02-20 8:25 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
442,298 | $1.5195 | $672,072 | 142,775 (Indirect Direct) |
View |
2023-06-22 Sale |
2023-06-23 6:33 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
730,311 | $0.23 | $167,972 | 20,474,747 (Indirect Direct) |
View |
2023-06-09 Sale |
2023-06-13 5:01 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
474,513 | $0.23 | $109,138 | 18,583,593 (Indirect Direct) |
View |
2023-06-07 Sale |
2023-06-09 4:30 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
1,763,785 | $0.24653 | $434,819 | 19,736,874 (Indirect Direct) |
View |
2023-06-05 Sale |
2023-06-07 4:30 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
301,702 | $0.24303 | $73,323 | 23,270,428 (Indirect Direct) |
View |
2023-06-01 Sale |
2023-06-05 4:30 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
25,416 | $0.26 | $6,608 | 23,667,180 (Indirect Direct) |
View |
2023-05-30 Sale |
2023-06-01 4:30 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
300 | $0.26 | $78 | 21,152,592 (Indirect Direct) |
View |
2023-05-25 Sale |
2023-05-30 4:30 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
335,653 | $0.26 | $87,270 | 21,152,892 (Indirect Direct) |
View |
2023-05-23 Sale |
2023-05-25 4:30 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
151,349 | $0.26 | $39,351 | 24,450,020 (Indirect Direct) |
View |
2023-05-17 Sale |
2023-05-19 6:22 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
153,409 | $0.28998 | $44,485 | 24,696,535 (Indirect Direct) |
View |
2022-11-18 Purchase |
2022-11-22 5:36 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM CHIEF EXECUTIVE OFFICER |
50,000 | $1 | $50,000 | 2,103,150 (Indirect Direct) |
View |
2022-10-24 Sale |
2022-10-26 9:00 pm |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
32,500 | $3.6961 | $120,123 | 7,790,302 (Indirect) |
View |
2022-10-20 Sale |
2022-10-24 4:41 pm |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director 10% Owner |
80,000 | $4.218 | $337,440 | 7,822,802 (Indirect) |
View |
2022-10-10 Sale |
2022-10-12 5:12 pm |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director 10% Owner |
32,500 | $5.4035 | $175,612 | 7,902,802 (Indirect) |
View |
2022-09-26 Sale |
2022-09-28 9:02 pm |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director 10% Owner |
32,500 | $5.094 | $165,555 | 7,935,302 (Indirect) |
View |
2022-08-17 Sale |
2022-08-19 5:14 pm |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
170,210 | $5.1838 | $882,335 | 8,004,627 (Indirect) |
View |
2022-06-14 Purchase |
2022-06-16 5:35 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM Chief Executive Officer |
20,000 | $2.47 | $49,400 | 2,709,494 (Indirect Direct) |
View |
2022-06-06 Purchase |
2022-06-08 5:06 pm |
Heliogen Inc. | HLGN | GROSS WILLIAM Chief Executive Officer |
13,124 | $3.74 | $49,084 | 2,689,494 (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 |
2024-05-24 Option Award |
2024-05-29 4:20 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
68,989 | $0 | 7,763,178 (Direct) |
View |
2024-03-13 Other |
2024-03-15 6:30 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
130,000 | $1.65 | 7,824,189 (Indirect) |
View |
2023-12-18 Gift |
2023-12-20 4:06 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
100,000 | $0 | 7,564,189 (Indirect) |
View |
2023-06-22 Exercise |
2023-06-23 6:33 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
858,465 | $0 | 20,474,747 (Direct) |
View |
2023-06-22 Exercise |
2023-06-23 6:33 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
858,465 | $0.18 | 20,474,747 (Direct) |
View |
2023-06-15 Exercise |
2023-06-16 4:30 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
1,763,000 | $0 | 21,205,058 (Direct) |
View |
2023-06-15 Exercise |
2023-06-16 4:30 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
1,763,000 | $0.18 | 21,205,058 (Direct) |
View |
2023-06-09 Exercise |
2023-06-13 5:01 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
474,513 | $0 | 18,583,593 (Direct) |
View |
2023-06-09 Exercise |
2023-06-13 5:01 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
474,513 | $0.09 | 18,583,593 (Direct) |
View |
2023-06-07 Exercise |
2023-06-09 4:30 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
1,763,785 | $0 | 19,736,874 (Direct) |
View |
2023-06-07 Exercise |
2023-06-09 4:30 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
1,763,785 | $0.09 | 19,736,874 (Direct) |
View |
2023-06-05 Exercise |
2023-06-07 4:30 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
301,702 | $0 | 23,270,428 (Direct) |
View |
2023-06-05 Exercise |
2023-06-07 4:30 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
301,702 | $0.09 | 23,270,428 (Direct) |
View |
2023-06-01 Exercise |
2023-06-05 4:30 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
28,999 | $0 | 23,667,180 (Direct) |
View |
2023-06-01 Exercise |
2023-06-05 4:30 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
28,999 | $0.09 | 23,667,180 (Direct) |
View |
2023-05-30 Exercise |
2023-06-01 4:30 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
300 | $0 | 21,152,592 (Direct) |
View |
2023-05-30 Exercise |
2023-06-01 4:30 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
300 | $0.09 | 21,152,592 (Direct) |
View |
2023-05-25 Option Award |
2023-05-30 5:05 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
42,480 | $0 | 7,664,189 (Direct) |
View |
2023-05-25 Exercise |
2023-05-30 4:30 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
335,653 | $0 | 21,152,892 (Direct) |
View |
2023-05-25 Exercise |
2023-05-30 4:30 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
335,653 | $0.09 | 21,152,892 (Direct) |
View |
2023-05-23 Exercise |
2023-05-25 4:30 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
151,349 | $0 | 24,450,020 (Direct) |
View |
2023-05-23 Exercise |
2023-05-25 4:30 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
151,349 | $0.09 | 24,450,020 (Direct) |
View |
Ownership(A) |
2023-05-22 6:31 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
0 | $0 | 1,672,612 (Direct) |
View |
2023-05-17 Exercise |
2023-05-19 6:22 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
153,409 | $0 | 24,696,535 (Direct) |
View |
2023-05-17 Exercise |
2023-05-19 6:22 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM 10% Owner |
153,409 | $0.09 | 24,696,535 (Direct) |
View |
2023-04-12 Exercise |
2023-04-14 4:53 pm |
N/A 2023-07-05 |
Heliogen Inc. | HLGN | GROSS WILLIAM Director |
1,000,000 | $0 | 21,793,303 (Direct) |
View |
2023-04-12 Exercise |
2023-04-14 4:53 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM Director |
1,000,000 | $0.09 | 21,793,303 (Direct) |
View |
Ownership |
2023-04-14 4:52 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM Director |
0 | $0 | 27,153,632 (Direct) |
View |
2022-12-16 Option Award |
2023-02-10 7:24 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
43,271 | $0 | 7,621,709 (Direct) |
View |
2022-12-30 Gift |
2022-12-30 7:39 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
211,864 | $0 | 7,578,438 (Indirect) |
View |
2022-09-01 Other |
2022-09-06 5:50 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM CHIEF EXECUTIVE OFFICER |
1,070,707 | $0 | 3,123,857 (Indirect) |
View |
2022-08-17 Other |
2022-08-19 5:14 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
36,825 | $0 | 8,004,627 (Indirect) |
View |
2022-06-28 Gift |
2022-08-15 5:40 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
600,000 | $0 | 6,532,786 (Indirect) |
View |
2022-08-11 Other |
2022-08-15 5:40 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director |
46,446 | $0 | 6,532,786 (Indirect) |
View |
2021-12-30 Option Award(A) |
2022-06-02 4:05 pm |
N/A N/A |
Heliogen Inc. | HLGN | GROSS WILLIAM CHIEF EXECUTIVE OFFICER |
1,086,882 | $0 | 2,676,370 (Indirect) |
View |
2022-05-12 Other |
2022-05-16 9:02 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director 10% Owner |
20,734,945 | $0 | 22,218,335 (Indirect) |
View |
2022-02-11 Option Award |
2022-02-15 8:19 pm |
N/A N/A |
Energy Vault Holdings Inc. | NRGV | GROSS WILLIAM Director 10% Owner |
15,583,548 | $0 | 15,583,548 (Indirect) |
View |
2021-12-30 Option Award(A) |
2022-01-07 9:34 pm |
N/A 2031-11-09 |
Heliogen Inc. | HLGN | GROSS WILLIAM Chief Executive Officer |
20,945,143 | $0 | 20,945,143 (Direct) |
View |
2021-12-30 Option Award |
2022-01-04 9:57 pm |
N/A 2031-11-09 |
Heliogen Inc. | HLGN | GROSS WILLIAM Chief Executive Officer |
20,945,143 | $0 | 20,945,143 (Direct) |
View |