- Corporate Officers - D
- Demski Martha J
Insider Trading History of Demski Martha J
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Demski Martha J since 2015.
This trader's CIK number is 1198230.
At the time of last reporting, Demski Martha J was the Director of Alpha Teknova, Inc.. (stock ticker symbol TKNO).
Also see all insider trading activities at Alpha Teknova, Inc..
Note that in the past
DEMSKI MARTHA J also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Evofem Biosciences, Inc. (NEOT) by Demski Martha J
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2016 | NEOT | 0 | $0 | 0 | $0 | 16,393 | $18,524 |
Yearly summary of insider trading at Adma Biologics, Inc. (ADMA) by Demski Martha J
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | ADMA | 4,200 | $10,798 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Chimerix Inc (CMRX) by Demski Martha J
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | CMRX | 18,000 | $19,980 | 0 | $0 | 0 | $0 |
| 2022 | CMRX | 10,000 | $16,100 | 0 | $0 | 0 | $0 |
| 2020 | CMRX | 0 | $0 | 14,084 | $45,935 | 21,126 | $61,053 |
| 2019 | CMRX | 18,000 | $64,800 | 0 | $0 | 0 | $0 |
| 2018 | CMRX | 0 | $0 | 0 | $0 | 4,225 | $6,633 |
| 2016 | CMRX | 10,000 | $48,900 | 0 | $0 | 0 | $0 |
| 2015 | CMRX | 0 | $0 | 21,126 | $886,015 | 21,126 | $32,322 |
Yearly summary of insider trading at Adamas Pharmaceuticals Inc (ADMS) by Demski Martha J
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | ADMS | 0 | $0 | 2,000 | $10,340 | 0 | $0 |
Yearly summary of insider trading at Alpha Teknova, Inc. (TKNO) by Demski Martha J
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | TKNO | 0 | $0 | 8,000 | $40,512 | 0 | $0 |
Insider trading activities at 5 companies by Demski Martha J:
1. Evofem Biosciences, Inc. (NEOT)
2. Adma Biologics, Inc. (ADMA)
3. Chimerix Inc (CMRX)
4. Adamas Pharmaceuticals Inc (ADMS)
5. Alpha Teknova, Inc. (TKNO)
Table 1. Insider trading of Evofem Biosciences, Inc. (NEOT) by Demski Martha J
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2016-06-21 | NEOT | Option Ex | 16,393 | 1.13 | 18,524 |
Table 2. Insider trading of Adma Biologics, Inc. (ADMA) by Demski Martha J
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-09-11 | ADMA | Buy | 2,200 | 2.29 | 5,038 |
| 2020-08-13 | ADMA | Buy | 2,000 | 2.88 | 5,760 |
Table 3. Insider trading of Chimerix Inc (CMRX) by Demski Martha J
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-05-10 | CMRX | Buy | 18,000 | 1.11 | 19,980 |
| 2022-05-17 | CMRX | Buy | 10,000 | 1.61 | 16,100 |
| 2020-11-17 | CMRX | Option Ex | 7,042 | 2.35 | 16,548 |
| 2020-08-10 | CMRX | Option Ex | 1,584 | 3.16 | 5,005 |
| 2020-08-10 | CMRX | Sale | 1,584 | 3.25 | 5,148 |
| 2020-08-07 | CMRX | Sale | 2,500 | 3.25 | 8,125 |
| 2020-08-06 | CMRX | Sale | 2,500 | 3.29 | 8,225 |
| 2020-08-07 | CMRX | Option Ex | 2,500 | 3.16 | 7,900 |
| 2020-08-06 | CMRX | Option Ex | 2,500 | 3.16 | 7,900 |
| 2020-08-04 | CMRX | Option Ex | 5,000 | 3.16 | 15,800 |
| 2020-08-05 | CMRX | Sale | 2,500 | 3.27 | 8,187 |
| 2020-08-04 | CMRX | Sale | 5,000 | 3.25 | 16,250 |
| 2020-08-05 | CMRX | Option Ex | 2,500 | 3.16 | 7,900 |
| 2019-05-28 | CMRX | Buy | 18,000 | 3.60 | 64,800 |
| 2018-05-09 | CMRX | Option Ex | 4,225 | 1.57 | 6,633 |
| 2016-03-01 | CMRX | Buy | 10,000 | 4.89 | 48,900 |
| 2015-11-02 | CMRX | Option Ex | 1,126 | 1.53 | 1,722 |
| 2015-11-02 | CMRX | Sale | 1,126 | 40.42 | 45,509 |
| 2015-10-01 | CMRX | Option Ex | 2,000 | 1.53 | 3,060 |
| 2015-10-01 | CMRX | Sale | 2,000 | 37.98 | 75,960 |
| 2015-09-01 | CMRX | Option Ex | 2,000 | 1.53 | 3,060 |
| 2015-09-01 | CMRX | Sale | 2,000 | 48.29 | 96,580 |
| 2015-08-03 | CMRX | Sale | 2,000 | 54.61 | 109,228 |
| 2015-08-03 | CMRX | Option Ex | 2,000 | 1.53 | 3,060 |
| 2015-07-01 | CMRX | Option Ex | 2,000 | 1.53 | 3,060 |
| 2015-07-01 | CMRX | Sale | 2,000 | 46.16 | 92,330 |
| 2015-06-01 | CMRX | Option Ex | 2,000 | 1.53 | 3,060 |
| 2015-06-01 | CMRX | Sale | 2,000 | 41.58 | 83,164 |
| 2015-05-01 | CMRX | Option Ex | 2,000 | 1.53 | 3,060 |
| 2015-05-01 | CMRX | Sale | 2,000 | 34.71 | 69,420 |
| 2015-04-01 | CMRX | Option Ex | 2,000 | 1.53 | 3,060 |
| 2015-04-01 | CMRX | Sale | 2,000 | 37.10 | 74,200 |
| 2015-03-02 | CMRX | Sale | 2,000 | 40.35 | 80,700 |
| 2015-03-02 | CMRX | Option Ex | 2,000 | 1.53 | 3,060 |
| 2015-02-02 | CMRX | Sale | 2,000 | 38.38 | 76,770 |
| 2015-02-02 | CMRX | Option Ex | 2,000 | 1.53 | 3,060 |
| 2015-01-02 | CMRX | Option Ex | 2,000 | 1.53 | 3,060 |
| 2015-01-02 | CMRX | Sale | 2,000 | 41.08 | 82,154 |
Table 4. Insider trading of Adamas Pharmaceuticals Inc (ADMS) by Demski Martha J
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-06-07 | ADMS | Sale | 2,000 | 5.17 | 10,340 |
Table 5. Insider trading of Alpha Teknova, Inc. (TKNO) by Demski Martha J
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-06-27 | TKNO | Sale | 8,000 | 5.06 | 40,512 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Demski Martha J
(Director of Alpha Teknova, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.