Skip to content

Wednesday, October 28, 2026

Data from SEC filings, checked daily

Public filings, plainly told

About Method Sources Newsletter

Insider tradingForm 4

4D Molecular Therapeutics, Inc. (FDMT) Insider Trading

8 open-market trades reported since Aug 17, 2026: 0 purchases worth $0 and 8 sales worth $2.74M.

By insider

Insider	Role	Buys	Bought	Sells	Sold	Latest
Scott Bizily	General Counsel	0	$0	5	$91K	Oct 20, 2026
David Kirn	See Remarks	0	$0	3	$2.65M	Oct 7, 2026

All trades

FDMT insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	3 mo. after	Filing
Oct 20	Oct 16	Scott BizilyGeneral Counsel	General Counsel	▼ SELL10b5-1	1,635	12.84	$21K	−16%		Form 4 ↗
Oct 7	Oct 5	David KirnSee Remarks	See Remarks	▼ SELL10b5-1	58,333	12.92	$754K	−7.6%		Form 4 ↗
Sep 22	Sep 16	Scott BizilyGeneral Counsel	General Counsel	▼ SELL10b5-1	1,635	13.65	$22K	−16%		Form 4 ↗
Sep 16	Sep 14	David KirnSee Remarks	See Remarks	▼ SELL10b5-1	58,333	13.90	$811K	−7.1%		Form 4 ↗
Sep 3	Sep 1	Scott BizilyGeneral Counsel	General Counsel	▼ SELL10b5-1	584	14.00	$8K	−6.3%		Form 4 ↗
Aug 21	Aug 19	David KirnSee Remarks	See Remarks	▼ SELL10b5-1	69,076	15.75	$1.09M	−7.7%		Form 4 ↗
Aug 17	Aug 17	Scott BizilyGeneral Counsel	General Counsel	▼ SELL10b5-1	1,635	12.20	$20K	−16%		Form 4 ↗
Aug 17	Aug 13	Scott BizilyGeneral Counsel	General Counsel	▼ SELL10b5-1	1,635	12.00	$20K	−16%		Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings