Lexeo Therapeutics LXEO Insider Ownership

NASDAQ LXEO

$2.89 -0.11 (-3.67%)

At close: Oct 22, 2026 · 4:00 PM EDT

Insider Holdings by Owner

7.55Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026

Insider Ownership

1.13%

▼-0.0019% pp QoQ

Shares Held by Insiders

970.89K

filed for Sep 2026

▼-0.17% QoQ

Shares Outstanding

85.63Mn

85,626,751 shares

Direct Holdings

970.89K

Indirect: 0

Net Shares Traded (QoQ)

-1.64K

net selling in Sep 2026

Insiders Holding Shares

with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold

Latest quarter —

Net over range —

Buying quarters —

Insider Ownership Summary

Updated Oct 21, 2026

Over the past year, LXEO insiders sold $745,509 of stock (141.84K shares) on the open market and bought none.

By number of insiders, Lexeo Therapeutics saw 7 insiders sell on the open market over the past 12 months and none buy.
Richard Nolan Townsend (Chief Executive Officer) was LXEO's largest open-market seller in the past 12 months, with $538,240 of sales (98.93K shares); the latest was on August 18, 2026.
Louis Edward Tamayo (Chief Financial Officer) made the most recent open-market trade by an insider of Lexeo Therapeutics, a sale of 4.12K shares for $20,203 on August 18, 2026.
Away from the open market, LXEO insiders received 482.57K shares in stock awards over the last 12 months.
Per Business Quant, LXEO insiders together hold 970.89K shares based on their latest Form 4 filings, or 1.13% of the 85.63Mn shares outstanding; that total is down 0.17% from 972.52K shares at the end of Q2 2026.
Lexeo Therapeutics insiders report no indirect holdings: all 970.89K shares are held directly.
LXEO's insider total is spread across 9 insiders who have filed a Form 4 in the past two years.
Lexeo Therapeutics' three biggest insider holders are Richard Nolan Townsend (Chief Executive Officer, 376.78K shares), Jose Manuel Otero (Chief Operating Officer, 138.29K shares) and Louis Edward Tamayo (Chief Financial Officer, 92.91K shares), based on their latest Form 4 filings.
Of the shares held by LXEO insiders, 38.81% belong to Richard Nolan Townsend.
A total of 35 Form 4 filings with transactions in Lexeo Therapeutics stock were made over the past 12 months, by 15 insiders.
The insider holdings and trades above for Lexeo Therapeutics reflect Form 4 filings through September 28, 2026.

Form 4 Holdings

Insiders Holding LXEO

Insiders 13

Shares held 7.55Mn

Of outstanding 8.82%

#	Insider	Position	Direct	Indirect	Total	Share of Insiders	Last Filed
1	Capital Partners Iv, Llc Longitude	TenPercentOwner	0	2,567,100	2,567,100	34.0%	09 Nov, 2023
2	Fund Vi, L.P. Omega	TenPercentOwner	2,157,623	0	2,157,623	28.6%	09 Nov, 2023
3	Invest A/S Lundbeckfond	TenPercentOwner	1,835,959	0	1,835,959	24.3%	09 Nov, 2023
4	Richard Nolan Townsend	Chief Executive Officer	376,778	0	376,778	5.0%	28 Sep, 2026
5	Jose Manuel Otero	Chief Operating Officer	138,288	0	138,288	1.8%	28 Sep, 2026
6	Louis Edward Tamayo	Chief Financial Officer	92,907	0	92,907	1.2%	19 Aug, 2026
7	Narinder Pal Bhalla	Chief Medical Officer	84,908	0	84,908	1.1%	28 Sep, 2026
8	Eric Adler	Chief Medical Officer	72,646	0	72,646	1.0%	20 Nov, 2025
9	Jenny Robertson	Chief Legal Officer	68,381	0	68,381	0.9%	20 Nov, 2025
10	Tai Sandi See	Chief Development Officer	65,476	0	65,476	0.9%	20 Nov, 2025
11	Kyle Rasbach	Chief Financial Officer	40,875	0	40,875	0.5%	22 Jan, 2025
12	Paula H Cholmondeley	Director	30,627	0	30,627	0.4%	26 Nov, 2024
13	Paul Mccormac	Chief Technical Officer	17,349	0	17,349	0.2%	09 Nov, 2023

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

164 Insider Transactions

Source SEC Form 4

Latest quarter Sep 2026

Date	Insider	Position	Transaction	Shares	Price	Value	Shares Held After	Ownership
24 Sep, 2026	Louis Edward Tamayo	Chief Financial Officer	Acquired A	54,750	$0.00	$0	54,750	Direct
14 Sep, 2026	Richard Nolan Townsend	Chief Executive Officer	Acquired A	2,306	$2.64	$6.10K	376,778	Direct
14 Sep, 2026	Narinder Pal Bhalla	Chief Medical Officer	Acquired A	2,714	$3.58	$9.71K	84,908	Direct
14 Sep, 2026	Jose Manuel Otero	Chief Operating Officer	Acquired A	2,110	$2.64	$5.58K	138,288	Direct
24 Sep, 2026	Richard Nolan Townsend	Chief Executive Officer	Acquired A	145,500	$0.00	$0	145,500	Direct
24 Sep, 2026	Narinder Pal Bhalla	Chief Medical Officer	Acquired A	54,750	$0.00	$0	54,750	Direct
24 Sep, 2026	Jose Manuel Otero	Chief Operating Officer	Acquired A	54,750	$0.00	$0	54,750	Direct
18 Aug, 2026	Louis Edward Tamayo	Chief Financial Officer	Disposed S	4,117	$4.91	$20.20K	92,907	Direct
18 Aug, 2026	Jose Manuel Otero	Chief Operating Officer	Disposed S	1,304	$4.96	$6.46K	136,178	Direct
18 Aug, 2026	Richard Nolan Townsend	Chief Executive Officer	Disposed S	3,345	$4.95	$16.56K	374,472	Direct
29 Jun, 2026	Richard Nolan Townsend	Chief Executive Officer	Acquired A	67,000	$0.00	$0	403,764	Direct
29 Jun, 2026	Louis Edward Tamayo	Chief Financial Officer	Acquired A	12,000	$0.00	$0	101,665	Direct
29 Jun, 2026	Jose Manuel Otero	Chief Operating Officer	Acquired A	12,060	$0.00	$0	142,148	Direct
29 Jun, 2026	Narinder Pal Bhalla	Chief Medical Officer	Acquired A	55,000	$0.00	$0	104,500	Direct
01 Jul, 2026	Jose Manuel Otero	Chief Operating Officer	Disposed S	4,666	$4.48	$20.90K	137,482	Direct
01 Jul, 2026	Narinder Pal Bhalla	Chief Medical Officer	Disposed S	22,306	$4.42	$98.59K	82,194	Direct
01 Jul, 2026	Louis Edward Tamayo	Chief Financial Officer	Disposed S	4,641	$4.49	$20.84K	97,024	Direct
01 Jul, 2026	Richard Nolan Townsend	Chief Executive Officer	Disposed S	25,947	$4.48	$116.24K	377,817	Direct
25 Jun, 2026	Steven Altschuler	Director	Acquired A	35,000	$0.00	$0	35,000	Direct
25 Jun, 2026	Reinaldo M Diaz	Director	Acquired A	35,000	$0.00	$0	35,000	Direct

Showing 1 to 20 of 164 transactions