InsiderTrades

Erck Stanley C

SEC CIK 1342826 · EDGAR

Buying vs selling by month open-market trades, last 60 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
MXCTMAXCYTE, INC.Dir 428.7K $137.0K $547.8K 102024-06-112026-06-17
NVAXNOVAVAX INCPres, CEO, Dir 38.8K — $38.67M 142021-07-012022-12-14

Most active insiders at MXCT, 12 months

#InsiderTitleBoughtSold
1 Swirsky Douglas JCFO —$8,316
2 Ahuja ParmeetCFO ——
3 Johnston John JosephDir ——
4 Masoud MaherPres, CEO, Dir ——
5 Hemrajani RekhaDir ——
6 Al-Wakeel Yasir B.Dir ——
7 Brooke William WDir ——
8 Collins CynthiaDir ——
9 Erck Stanley CDir ——
10 BALTHROP PATRICK JDir ——

Transactions 24

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-06-22 16:28 2026-06-17 MXCT MAXCYTE, INC. Erck Stanley C Dir A - Grant $0.00 +30.4K 428.7K +8% $0
2025-08-13 2025-08-13 MXCT MAXCYTE, INC. Erck Stanley C Dir P - Purchase $1.37 +100.0K 398.3K +34% +$137.0K
D 2025-06-23 2025-06-18 MXCT MAXCYTE, INC. Erck Stanley C Dir A - Grant $0.00 +29.2K 298.3K +11% $0
D 2024-11-05 2024-11-01 MXCT MAXCYTE, INC. Erck Stanley C Dir M - OptEx $0.04 +47.7K 316.8K +18% +$1,908
D 2024-11-05 2024-11-01 MXCT MAXCYTE, INC. Erck Stanley C Dir S - Sale+OE $3.72 -47.7K 269.1K -15% -$177.4K
DM 2024-10-02 2024-10-01+ MXCT MAXCYTE, INC. Erck Stanley C Dir S - Sale+OE $3.75 -47.7K 269.1K -15% -$178.8K
DM 2024-10-02 2024-10-01+ MXCT MAXCYTE, INC. Erck Stanley C Dir M - OptEx $0.04 +47.7K 295.2K +19% +$1,908
DM 2024-09-05 2024-09-03+ MXCT MAXCYTE, INC. Erck Stanley C Dir M - OptEx $0.04 +47.7K 298.9K +19% +$1,908
DM 2024-09-05 2024-09-03+ MXCT MAXCYTE, INC. Erck Stanley C Dir S - Sale+OE $4.02 -47.7K 269.1K -15% -$191.7K
D 2024-06-13 2024-06-11 MXCT MAXCYTE, INC. Erck Stanley C Dir A - Grant $0.00 +21.4K 269.1K +9% $0
D 2022-12-16 2022-12-14 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir M - OptEx — +6,966 38.8K +22% —
D 2022-12-16 2022-12-14 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir F - Tax $17.23 -2,320 36.5K -6% -$40.0K
D 2022-09-28 2022-09-26 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir M - OptEx — +6,546 34.0K +24% —
D 2022-09-28 2022-09-26 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir F - Tax $18.87 -2,180 31.8K -6% -$41.1K
D 2021-12-16 2021-12-14 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir M - OptEx — +6,967 30.8K +29% —
D 2021-12-16 2021-12-14 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir F - Tax $168.43 -3,366 27.5K -11% -$566.9K
DM 2021-10-05 2021-10-01 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir M - OptEx $27.17 +49.0K 72.9K +205% +$1.33M
DM 2021-10-05 2021-10-01 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir S - Sale+OE $175.10 -49.0K 25.9K -65% -$8.58M
DM 2021-10-05 2021-10-04 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir S - Sale+OE $176.15 -42.8K 45.1K -49% -$7.54M
DM 2021-10-05 2021-10-04 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir M - OptEx $27.45 +42.8K 55.9K +328% +$1.18M
D 2021-09-28 2021-09-26 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir M - OptEx — +6,546 27.0K +32% —
D 2021-09-28 2021-09-26 NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir F - Tax $248.16 -3,162 23.9K -12% -$784.7K
DM 2021-07-06 2021-07-01+ NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir S - Sale+OE $214.38 -105.2K 21.2K -83% -$22.55M
DM 2021-07-06 2021-07-01+ NVAX NOVAVAX INC Erck Stanley C Pres, CEO, Dir M - OptEx $71.12 +105.2K 73.1K New +$7.48M

Purchase Sale Sale after option exercise All abbreviations