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 |
2021-04-30 Sale |
2021-04-30 6:55 pm |
ACADIA PHARMACEUTICALS INC | ACAD | Ridloff Elena EVP and CFO |
1,032 | $20.33 | $20,981 | 17,044 (Direct) |
View |
2021-02-04 Sale |
2021-02-08 9:00 pm |
ACADIA PHARMACEUTICALS INC | ACAD | Ridloff Elena EVP and CFO |
2,051 | $50.61 | $103,801 | 8,340 (Direct) |
View |
2021-01-06 Sale |
2021-01-08 7:29 pm |
ACADIA PHARMACEUTICALS INC | ACAD | Ridloff Elena EVP and CFO |
1,016 | $53.34 | $54,193 | 13,774 (Direct) |
View |
2020-10-14 Purchase |
2020-10-16 3:52 pm |
Kronos Bio Inc. | KRON | Ridloff Elena Director |
2,630 | $19 | $49,970 | 2,630 (Direct) |
View |
2020-04-29 Sale |
2020-05-01 6:00 pm |
ACADIA PHARMACEUTICALS INC | ACAD | Ridloff Elena EVP and CFO |
11,050 | $50.59 | $559,034 | 47,478 (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 |
2025-02-06 Option Award |
2025-02-10 4:05 pm |
N/A 2035-02-05 |
Sionna Therapeutics Inc. | SION | Ridloff Elena CFO & Head of Corp. Dev. |
157,820 | $0 | 157,820 (Direct) |
View |
Ownership |
2025-02-06 9:00 pm |
N/A N/A |
Sionna Therapeutics Inc. | SION | Ridloff Elena CFO & Head of Corp. Dev. |
0 | $0 | 411,397 (Direct) |
View |
2024-06-25 Option Award |
2024-06-26 4:37 pm |
N/A 2034-06-24 |
Kronos Bio Inc. | KRON | Ridloff Elena Director |
28,333 | $0 | 42,296 (Direct) |
View |
2024-06-18 Option Award |
2024-06-20 5:00 pm |
N/A 2034-06-17 |
Kymera Therapeutics Inc. | KYMR | Ridloff Elena Director |
16,000 | $0 | 16,000 (Direct) |
View |
2023-06-22 Option Award |
2023-06-26 4:15 pm |
N/A 2033-06-21 |
Kronos Bio Inc. | KRON | Ridloff Elena Director |
28,333 | $0 | 30,963 (Direct) |
View |
2023-06-15 Option Award |
2023-06-20 4:15 pm |
N/A 2033-06-14 |
Kymera Therapeutics Inc. | KYMR | Ridloff Elena Director |
12,000 | $0 | 12,000 (Direct) |
View |
2022-06-29 Option Award |
2022-07-01 4:05 pm |
N/A 2032-06-28 |
Kymera Therapeutics Inc. | KYMR | Ridloff Elena Director |
9,000 | $0 | 9,000 (Direct) |
View |
2022-06-22 Option Award |
2022-06-29 4:10 pm |
N/A 2032-06-21 |
Kronos Bio Inc. | KRON | Ridloff Elena Director |
34,000 | $0 | 34,000 (Direct) |
View |
2022-06-15 Option Award |
2022-06-16 4:05 pm |
N/A 2032-06-14 |
Kymera Therapeutics Inc. | KYMR | Ridloff Elena Director |
12,000 | $0 | 12,000 (Direct) |
View |
2021-06-16 Option Award(A) |
2022-04-15 4:15 pm |
N/A 2031-06-15 |
Kymera Therapeutics Inc. | KYMR | Ridloff Elena Director |
10,459 | $0 | 10,459 (Direct) |
View |
2021-03-12 Option Award(A) |
2022-04-15 4:15 pm |
N/A 2031-03-11 |
Kymera Therapeutics Inc. | KYMR | Ridloff Elena Director |
20,919 | $0 | 20,919 (Direct) |
View |
2021-06-22 Option Award |
2021-06-23 9:20 pm |
N/A 2031-06-21 |
Kronos Bio Inc. | KRON | Ridloff Elena Director |
15,450 | $0 | 15,450 (Direct) |
View |
2021-06-16 Option Award |
2021-06-17 4:49 pm |
N/A 2031-06-15 |
Kymera Therapeutics Inc. | KYMR | Ridloff Elena Director |
20,063 | $0 | 20,063 (Direct) |
View |
2021-04-29 Exercise |
2021-04-30 6:55 pm |
N/A N/A |
ACADIA PHARMACEUTICALS INC | ACAD | Ridloff Elena EVP and CFO |
3,245 | $0 | 17,044 (Direct) |
View |
2021-03-12 Option Award |
2021-03-16 5:22 pm |
N/A 2031-03-11 |
Kymera Therapeutics Inc. | KYMR | Ridloff Elena Director |
40,127 | $0 | 40,127 (Direct) |
View |
2021-02-23 Option Award |
2021-02-25 9:47 pm |
N/A 2031-02-23 |
ACADIA PHARMACEUTICALS INC | ACAD | Ridloff Elena EVP and CFO |
46,070 | $0 | 46,070 (Direct) |
View |
2021-02-04 Option Award |
2021-02-08 9:00 pm |
N/A N/A |
ACADIA PHARMACEUTICALS INC | ACAD | Ridloff Elena EVP and CFO |
6,490 | $0 | 8,340 (Direct) |
View |
2021-01-06 Exercise |
2021-01-08 7:29 pm |
N/A N/A |
ACADIA PHARMACEUTICALS INC | ACAD | Ridloff Elena EVP and CFO |
3,738 | $0 | 13,774 (Direct) |
View |
Ownership |
2020-10-08 7:28 pm |
N/A 2030-09-11 |
Kronos Bio Inc. | KRON | Ridloff Elena Director |
0 | $0 | 52,750 (Direct) |
View |
2020-04-29 Exercise |
2020-05-01 6:00 pm |
N/A 2029-04-29 |
ACADIA PHARMACEUTICALS INC | ACAD | Ridloff Elena EVP and CFO |
13,245 | $0 | 47,478 (Direct) |
View |
2020-04-29 Exercise |
2020-05-01 6:00 pm |
N/A N/A |
ACADIA PHARMACEUTICALS INC | ACAD | Ridloff Elena EVP and CFO |
10,000 | $25.12 | 47,478 (Direct) |
View |