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 |
| 2025-06-27 Sale | 2025-07-01 4:59 pm | Alpha Teknova Inc. | TKNO | DEMSKI MARTHA J Director | 8,000 | $5.064 | $40,512 | 12,000 (Direct) | View |
| 2025-04-21 Sale | 2025-04-21 4:09 pm | CHIMERIX INC | CMRX | DEMSKI MARTHA J Director | 72,055 | $8.55 | $616,070 | 0 (Indirect Direct) | View |
| 2023-05-10 Purchase | 2023-05-11 12:26 pm | CHIMERIX INC | CMRX | DEMSKI MARTHA J Director | 18,000 | $1.11 | $19,980 | 72,055 (Indirect) | View |
| 2022-05-17 Purchase | 2022-05-17 5:39 pm | CHIMERIX INC | CMRX | DEMSKI MARTHA J Director | 10,000 | $1.61 | $16,100 | 54,055 (Indirect) | View |
| 2021-06-07 Sale | 2021-06-08 5:32 pm | Adamas Pharmaceuticals Inc | ADMS | DEMSKI MARTHA J Director | 2,000 | $5.17 | $10,340 | 21,000 (Indirect Direct) | View |
| 2020-09-11 Purchase | 2020-09-14 08:00 am | ADMA BIOLOGICS INC. | ADMA | DEMSKI MARTHA J Director | 2,200 | $2.29 | $5,038 | 4,200 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-06-17 Option Award(A) | 2025-07-01 4:28 pm | N/A 2026-06-17 | Alpha Teknova Inc. | TKNO | DEMSKI MARTHA J Director | 54,300 | $0 | 54,300 (Direct) | View |
| 2025-06-17 Option Award | 2025-06-25 4:23 pm | N/A N/A | Alpha Teknova Inc. | TKNO | DEMSKI MARTHA J Director | 54,300 | $0 | 74,300 (Direct) | View |
| 2025-05-21 Option Award | 2025-05-23 1:47 pm | N/A 2035-05-20 | Equillium Inc. | EQ | DEMSKI MARTHA J Director | 20,000 | $0 | 20,000 (Direct) | View |
| 2025-02-14 Option Award | 2025-02-19 7:37 pm | N/A 2029-06-10 | Equillium Inc. | EQ | DEMSKI MARTHA J Director | 76,770 | $0 | 76,770 (Direct) | View |
| 2024-06-26 Option Award | 2024-06-27 5:22 pm | N/A N/A | Alpha Teknova Inc. | TKNO | DEMSKI MARTHA J Director | 20,000 | $0 | 20,000 (Direct) | View |
| 2024-06-20 Option Award | 2024-06-21 11:08 am | N/A 2034-06-19 | CHIMERIX INC | CMRX | DEMSKI MARTHA J Director | 60,000 | $0 | 60,000 (Direct) | View |
| 2024-05-22 Option Award | 2024-05-23 6:04 pm | N/A 2034-05-22 | Equillium Inc. | EQ | DEMSKI MARTHA J Director | 20,000 | $0 | 20,000 (Direct) | View |
| 2023-08-31 Option Award | 2023-09-05 5:51 pm | N/A 2033-08-31 | Alpha Teknova Inc. | TKNO | DEMSKI MARTHA J Director | 56,683 | $0 | 56,683 (Direct) | View |
| 2023-06-09 Option Award | 2023-06-12 4:26 pm | N/A 2033-06-08 | CHIMERIX INC | CMRX | DEMSKI MARTHA J Director | 60,000 | $0 | 60,000 (Direct) | View |
| 2023-05-22 Option Award | 2023-05-23 5:48 pm | N/A 2033-05-22 | Equillium Inc. | EQ | DEMSKI MARTHA J Director | 20,000 | $0 | 20,000 (Direct) | View |
| 2023-03-06 Option Award | 2023-03-08 9:30 pm | N/A 2033-03-06 | ADMA BIOLOGICS INC. | ADMA | DEMSKI MARTHA J Director | 77,445 | $0 | 108,231 (Direct) | View |
| 2022-06-23 Option Award | 2022-06-24 11:08 am | N/A 2032-06-22 | CHIMERIX INC | CMRX | DEMSKI MARTHA J Director | 50,000 | $0 | 50,000 (Direct) | View |
| 2022-05-24 Option Award | 2022-05-25 7:46 pm | N/A 2032-05-24 | Equillium Inc. | EQ | DEMSKI MARTHA J Director | 20,000 | $0 | 20,000 (Direct) | View |
| 2022-03-07 Option Award | 2022-03-09 5:58 pm | N/A 2032-03-07 | ADMA BIOLOGICS INC. | ADMA | DEMSKI MARTHA J Director | 79,758 | $0 | 83,958 (Direct) | View |
| 2021-11-24 Equity Swap | 2021-11-24 4:08 pm | N/A N/A | Adamas Pharmaceuticals Inc | ADMS | DEMSKI MARTHA J Director | 21,000 | $0 | 0 (Indirect) | View |
| 2021-06-23 Option Award | 2021-06-25 5:21 pm | N/A 2031-06-22 | CHIMERIX INC | CMRX | DEMSKI MARTHA J Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2021-06-02 Option Award | 2021-06-04 4:13 pm | 2022-06-02 2031-06-01 | Adamas Pharmaceuticals Inc | ADMS | DEMSKI MARTHA J Director | 15,000 | $0 | 33,000 (Direct) | View |
| 2021-05-26 Option Award | 2021-05-28 6:10 pm | N/A 2031-05-26 | Equillium Inc. | EQ | DEMSKI MARTHA J Director | 20,770 | $0 | 20,770 (Direct) | View |
| 2021-02-25 Option Award | 2021-03-01 9:04 pm | N/A 2031-02-25 | ADMA BIOLOGICS INC. | ADMA | DEMSKI MARTHA J Director | 55,000 | $0 | 55,000 (Direct) | View |
| 2020-11-17 Exercise | 2020-11-19 12:57 pm | N/A 2021-04-06 | CHIMERIX INC | CMRX | DEMSKI MARTHA J Director | 7,042 | $0 | 44,055 (Direct) | View |
| 2020-11-17 Exercise | 2020-11-19 12:57 pm | N/A N/A | CHIMERIX INC | CMRX | DEMSKI MARTHA J Director | 7,042 | $2.35 | 44,055 (Direct) | View |
| 2020-11-17 Gift | 2020-11-19 12:57 pm | N/A N/A | CHIMERIX INC | CMRX | DEMSKI MARTHA J Director | 7,042 | $0 | 44,055 (Direct) | View |