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

LAB Buy·P
Nov 25, 25

Director,TenPercentOwner

$10.0M

7.7M sh · $1.30 avg · 2 lots

Own +12%
LAB Buy·P
Nov 12, 25

Director,TenPercentOwner

$1.4M

1.2M sh · $1.17 avg · 4 lots

Own +2%
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
Nov 25, 2025	LAB	Director,TenPercentOwner	Buy P	7.7M2 lots	+12%	$1.30 avg	$10.0M
Nov 12, 2025	LAB	Director,TenPercentOwner	Buy P	1.2M4 lots	+2%	$1.17 avg	$1.4M
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.