Casdin Partners GP, LLC

Insider

Director, 10% Owner

Trades at: LAB· BLFS· TSVT

30D 90D 1Y

Net shares · 365d

+8.1M

8.9M buy · 750.0K sell

Net value · 365d

-$10.0M

$11.4M in · $21.4M out

Sentiment · 365d

Net buying

35% buying · 65% selling

Open-market trades · 365d

8.9M buy · 750.0K sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 365d

Open-market Buys Sells All types

BLFS Sell·S
Oct 15, 25

TenPercentOwner

$21.4M

750.0K sh · $28.55

Own -11%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Oct 15, 2025	BLFS	TenPercentOwner	Sell S	750.0K	-11%	$28.55	$21.4M

Buy Sell Non-market (grant · exercise · gift)

About Casdin Partners GP, LLC

This profile aggregates every SEC Form 4 insider transaction reported by Casdin Partners GP, LLC across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.