DOUGLAS RICHARD

MXCT

DOUGLAS RICHARD serves as director at MaxCyte, Inc. (MXCT). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

3 trades

$665.9K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$665.9K

Companies Traded

ALDX, MXCT

Active Period

Nov 2021 – Mar 2026

3 total trades

Most Recent

Buy ALDX

Mar 20, 2026 · $98.0K

DOUGLAS RICHARD's Insider Trading at MaxCyte, Inc. (MXCT)

Buys

2 · $567.9K

Sells

0 · $0.00

Total Shares Bought

100,000

Total Shares Sold

MXCT Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 30, 2023	Buy	80,000	$4.32	$345.5K	100,000
Nov 23, 2021	Buy	20,000	$11.12	$222.4K	20,000

DOUGLAS RICHARD's Insider Trading at Aldeyra Therapeutics, Inc. (ALDX)

Buys

1 · $98.0K

Sells

0 · $0.00

Total Shares Bought

70,000

Total Shares Sold

ALDX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 20, 2026	Buy	70,000	$1.40	$98.0K	195,000

Related Insiders

Douglas J Swirsky

officer: CHIEF FINANCIAL OFFICER

MXCTSell · Mar 19, 2026

Michael Alfieri

Principal Financial Officer

ALDXBuy · Mar 19, 2026

William W Brooke

Director

MXCTBuy · Aug 13, 2025

Stanley C Erck

Director

MXCTBuy · Aug 13, 2025

Maher Masoud

President and CEO

MXCTBuy · Aug 13, 2025

Stephen Machatha

Chief Development Officer

ALDXSell · Aug 11, 2025

Rekha Hemrajani

Director

MXCTSell · Jun 25, 2025

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