InsiderTrades

Witney Frank

SEC CIK 1455312 · EDGAR

Buying vs selling by month open-market trades, last 29 months, all 3 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
LABSTANDARD BIOTOOLS INC.Dir 310.0K — — 62022-04-042026-06-18
CERSCERUS CORPDir 340.1K $37.8K — 62022-06-012026-06-02
RVTYRevvityDir 23.4K — — 52022-05-062026-05-07

Most active insiders at LAB, 12 months

#InsiderTitleBoughtSold
1 Casdin Partners GP, LLCDir, 10% $11.41M—
2 Casdin EliDir, 10% $1.37M—
3 Casdin Partners Master Fund, L.P.Dir, 10% $1.12M—
4 CASDIN PRIVATE GROWTH EQUITY FUND GP, LLCDir $503.0K—
5 Kim Hanjoon AlexCFO ——
6 Mackay SeanSVP, Chief Business Off ——
7 Cox TroyDir ——
8 Carey Thomas D.Dir ——
9 Egholm MichaelPres, CEO, Dir ——
10 Witney FrankDir ——

Transactions 17

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-06-23 17:43 2026-06-18 LAB STANDARD BIOTOOLS INC. Witney Frank Dir A - Grant $0.00 +99.1K 310.0K +47% $0
2026-06-02 19:37 2026-06-02 CERS CERUS CORP Witney Frank Dir A - Grant $0.00 +60.0K 340.1K +21% $0
M 2026-05-11 16:05 2026-05-07 RVTY Revvity Witney Frank Dir A - Grant $0.00 +2,280 23.4K +11% $0
D 2025-06-24 2025-06-20 LAB STANDARD BIOTOOLS INC. Witney Frank Dir A - Grant $0.00 +94.6K 210.9K +81% $0
2025-06-04 2025-06-03 CERS CERUS CORP Witney Frank Dir A - Grant $0.00 +60.0K 280.1K +27% $0
M 2025-05-01 2025-04-30 RVTY Revvity Witney Frank Dir A - Grant $0.00 +2,412 21.1K +13% $0
D 2024-07-02 2024-06-28 LAB STANDARD BIOTOOLS INC. Witney Frank Dir A - Grant $0.00 +43.1K 116.3K +59% $0
2024-06-06 2024-06-05 CERS CERUS CORP Witney Frank Dir A - Grant $5.00 +40.0K 220.1K +22% +$200.0K
2024-05-10 2024-05-09 CERS CERUS CORP Witney Frank Dir P - Purchase $1.89 +20.0K 180.1K +12% +$37.8K
M 2024-05-02 2024-05-01 RVTY Revvity Witney Frank Dir A - Grant $0.00 +2,195 18.7K +13% $0
D 2023-06-16 2023-06-14 LAB STANDARD BIOTOOLS INC. Witney Frank Dir A - Grant $0.00 +26.4K 73.1K +56% $0
2023-06-09 2023-06-07 CERS CERUS CORP Witney Frank Dir A - Grant $5.00 +40.0K 160.1K +33% +$200.0K
M 2023-05-17 2023-05-15 RVTY Revvity Witney Frank Dir A - Grant $0.00 +1,738 16.5K +12% $0
D 2022-06-17 2022-06-15 LAB STANDARD BIOTOOLS INC. Witney Frank Dir A - Grant $0.00 +30.9K 46.8K +195% $0
D 2022-06-03 2022-06-01 CERS CERUS CORP Witney Frank Dir A - Grant $0.00 +20.5K 120.1K +21% $0
M 2022-05-09 2022-05-06 RVTY Revvity Witney Frank Dir A - Grant $0.00 +1,354 14.7K +10% $0
D 2022-04-06 2022-04-04 LAB STANDARD BIOTOOLS INC. Witney Frank Dir A - Grant $0.00 +15.9K 15.9K New $0

Purchase Sale Sale after option exercise All abbreviations