SCHAFFER DAVID

FDMT

SCHAFFER DAVID serves as Director at 4D Molecular Therapeutics, Inc. (FDMT). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

3 trades

$3.01M

Net Position

Net Seller

$3.01M

Companies Traded

FDMT

Active Period

Sep 2021 – Oct 2021

3 total trades

Most Recent

Sell FDMT

Oct 22, 2021 · $1.14M

SCHAFFER DAVID's Insider Trading at 4D Molecular Therapeutics, Inc. (FDMT)

Buys

0 · $0.00

Sells

3 · $3.01M

Total Shares Bought

Total Shares Sold

98,785

FDMT Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Oct 22, 2021	Sell	36,285	$31.36	$1.14M	925,935
Oct 1, 2021	Sell	29,256	$27.89	$815.9K	958,950
Sep 29, 2021	Sell	33,244	$31.90	$1.06M	986,925

Related Insiders

Ashoo Gupta

VP, Finance and Controller

FDMTSell · Mar 24, 2026

Scott Bizily

Chief Legal Officer

FDMTSell · Dec 19, 2025

Explore More Insider Trading Data

FDMT Insider Trading Activity

View all insider trades at 4D Molecular Therapeutics, Inc.

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity