- Corporate Officers - E
- Erck Stanley C
Insider Trading History of Erck Stanley C
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Erck Stanley C since 2015.
This trader's CIK number is 1342826.
At the time of last reporting, Erck Stanley C was the Officer of Maxcyte, Inc.. (stock ticker symbol MXCT).
Also see all insider trading activities at Maxcyte, Inc..
Note that in the past
Erck Stanley C also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Novavax Inc (NVAX) by Erck Stanley C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | NVAX | 0 | $0 | 0 | $0 | 6,546 | $0 |
| 2021 | NVAX | 0 | $0 | 197,008 | $38,715,818 | 210,521 | $9,861,925 |
| 2020 | NVAX | 0 | $0 | 93,661 | $9,340,513 | 114,935 | $2,008,265 |
| 2018 | NVAX | 100,000 | $164,600 | 0 | $0 | 0 | $0 |
| 2017 | NVAX | 150,000 | $155,100 | 0 | $0 | 0 | $0 |
| 2016 | NVAX | 2,072 | $9,075 | 424,778 | $2,203,632 | 400,000 | $511,999 |
| 2015 | NVAX | 9,329 | $21,269 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Biocryst Pharmaceuticals Inc (BCRX) by Erck Stanley C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2018 | BCRX | 0 | $0 | 0 | $0 | 8,333 | $12,416 |
Yearly summary of insider trading at Maxcyte, Inc. (MXCT) by Erck Stanley C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | MXCT | 100,000 | $137,200 | 0 | $0 | 0 | $0 |
| 2024 | MXCT | 0 | $0 | 95,378 | $369,057 | 95,378 | $3,813 |
Insider trading activities at 3 companies by Erck Stanley C:
1. Novavax Inc (NVAX)
2. Biocryst Pharmaceuticals Inc (BCRX)
3. Maxcyte, Inc. (MXCT)
Table 1. Insider trading of Novavax Inc (NVAX) by Erck Stanley C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-09-26 | NVAX | Option Ex | 6,546 | .00 | 0 |
| 2021-12-14 | NVAX | Option Ex | 6,967 | .00 | 0 |
| 2021-10-04 | NVAX | Option Ex | 42,829 | 27.30 | 1,169,231 |
| 2021-10-04 | NVAX | Sale | 42,829 | 175.56 | 7,518,845 |
| 2021-10-01 | NVAX | Sale | 49,000 | 176.63 | 8,655,066 |
| 2021-10-01 | NVAX | Option Ex | 49,000 | 27.30 | 1,337,700 |
| 2021-09-26 | NVAX | Option Ex | 6,546 | .00 | 0 |
| 2021-07-01 | NVAX | Option Ex | 52,620 | 61.07 | 3,213,345 |
| 2021-07-02 | NVAX | Option Ex | 52,559 | 78.80 | 4,141,649 |
| 2021-07-01 | NVAX | Sale | 52,620 | 212.54 | 11,183,802 |
| 2021-07-02 | NVAX | Sale | 52,559 | 216.10 | 11,358,105 |
| 2020-11-16 | NVAX | Option Ex | 52,317 | 32.70 | 1,710,765 |
| 2020-11-16 | NVAX | Sale | 52,316 | 90.33 | 4,725,599 |
| 2020-10-01 | NVAX | Sale | 2 | 108.56 | 217 |
| 2020-09-30 | NVAX | Sale | 12,231 | 112.03 | 1,370,202 |
| 2020-09-28 | NVAX | Option Ex | 50,000 | 5.95 | 297,500 |
| 2020-09-28 | NVAX | Sale | 25,000 | 112.05 | 2,801,300 |
| 2020-09-29 | NVAX | Sale | 4,112 | 107.78 | 443,195 |
| 2020-09-26 | NVAX | Option Ex | 6,546 | .00 | 0 |
| 2020-03-08 | NVAX | Option Ex | 6,072 | .00 | 0 |
| 2018-05-14 | NVAX | Buy | 100,000 | 1.65 | 164,600 |
| 2017-11-09 | NVAX | Buy | 100,000 | 1.13 | 113,100 |
| 2017-05-11 | NVAX | Buy | 50,000 | .84 | 42,000 |
| 2016-03-30 | NVAX | Option Ex | 198,009 | 1.28 | 253,451 |
| 2016-03-31 | NVAX | Option Ex | 201,991 | 1.28 | 258,548 |
| 2016-03-30 | NVAX | Sale | 198,009 | 5.19 | 1,028,062 |
| 2016-03-31 | NVAX | Sale | 226,769 | 5.18 | 1,175,570 |
| 2016-01-31 | NVAX | Buy | 2,072 | 4.38 | 9,075 |
| 2015-07-31 | NVAX | Buy | 3,207 | 2.28 | 7,311 |
| 2015-01-31 | NVAX | Buy | 6,122 | 2.28 | 13,958 |
Table 2. Insider trading of Biocryst Pharmaceuticals Inc (BCRX) by Erck Stanley C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2018-11-28 | BCRX | Option Ex | 8,333 | 1.49 | 12,416 |
Table 3. Insider trading of Maxcyte, Inc. (MXCT) by Erck Stanley C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-08-13 | MXCT | Buy | 100,000 | 1.37 | 137,200 |
| 2024-11-01 | MXCT | Option Ex | 47,689 | .04 | 1,907 |
| 2024-11-01 | MXCT | Sale | 47,689 | 3.72 | 177,403 |
| 2024-09-04 | MXCT | Sale | 29,767 | 3.97 | 118,174 |
| 2024-09-03 | MXCT | Sale | 17,922 | 4.10 | 73,480 |
| 2024-09-04 | MXCT | Option Ex | 29,767 | .04 | 1,190 |
| 2024-09-03 | MXCT | Option Ex | 17,922 | .04 | 716 |
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 Erck Stanley C
(Officer of Maxcyte, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.