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Lexeo Therapeutics, Inc.

LXEO Net buying
CIK 0001907108 #3249 in the set updated 17 Sep 2026
Bought (120 mo)
$12.60M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$2.34M
$791.55K on a plan · $790.79K straight out of an exercise
Sold at will
$757.55K
39 of 52 sales
Net
+$10.26M
+$11.85M against sales at will

By person

13 insiders · 56 transactions
2.9×

R. Nolan Townsend holds only 2.9 times base salary in stock. $1.86M of shares against $632.70K in salary for 2025.

Salary from the company's own proxy. The shares are what R. Nolan Townsend last reported holding, valued at $4.96, the price Common Stock was last bought or sold at on the open market here, on 18 Aug 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Longitude Capital Partners IV, LLC entity
10% owner
$5.00M (1)
+$5.00M
2,567,100
$12.73M
Omega Fund VI, L.P. entity
10% owner
$5.00M (1)
+$5.00M
2,157,623
$10.70M
Lundbeckfond Invest A/S
10% owner
$2.50M (1)
+$2.50M
1,835,959
$9.10M
Townsend Richard Nolan
Chief Executive Officer
$1.96M (23) scheduled
−$1.96M
374,472
$1.86M
+191.3%
CHOLMONDELEY PAULA H
Director
$104.85K (1)
+$104.85K
30,627
$151.82K
+96.0%
Bhalla Narinder Pal
Chief Medical Officer
$98.59K (1)
−$98.59K
82,194
$407.44K
Otero Jose Manuel
Chief Operating Officer
$92.16K (8)
−$92.16K
136,178
$675.05K
Adler Eric
Chief Medical Officer
$50.81K (6)
−$50.81K
72,646
$360.11K
Robertson Jenny
Chief Legal Officer
$49.87K (6)
−$49.87K
68,381
$338.97K
See Tai Sandi
Chief Development Officer
$47.70K (6)
−$47.70K
65,476
$324.57K
+293.8%
Tamayo Louis Edward
Chief Financial Officer
$41.04K (2)
−$41.04K
92,907
$460.55K
Rasbach Kyle
Chief Financial Officer
40,875
$202.62K
McCormac Paul
Chief Technical Officer
17,349
$86.00K
+22.5%

No percentages here. This company's share count has moved by a factor of 2.5 over the window, from 33,065,947 to 82,046,255 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
Otero Jose Manuel
18 Aug 2026
Chief Operating Officer
Sell
1,304
$4.96
$6.46K
Townsend Richard Nolan
18 Aug 2026
Chief Executive Officer
Sell
3,345
$4.95
$16.56K
Tamayo Louis Edward
18 Aug 2026
Chief Financial Officer
Sell
4,117
$4.91
$20.20K
Townsend Richard Nolan
1 Jul 2026
Chief Executive Officer
Sell
25,947
$4.48
$116.24K
Bhalla Narinder Pal
1 Jul 2026
Chief Medical Officer
Sell
22,306
$4.42
$98.59K
Otero Jose Manuel
1 Jul 2026
Chief Operating Officer
Sell
4,666
$4.48
$20.90K
Tamayo Louis Edward
1 Jul 2026
Chief Financial Officer
Sell
4,641
$4.49
$20.84K
Townsend Richard Nolan
18 May 2026
Chief Executive Officer
Sell
3,342
$5.06
$16.93K
Otero Jose Manuel
18 May 2026
Chief Operating Officer
Sell
1,302
$5.07
$6.61K
Townsend Richard Nolan
6 Apr 2026
Chief Executive Officer
Sold on a plan
55,000
$5.69
$313.14K
Townsend Richard Nolan
18 Feb 2026
Chief Executive Officer
Sell
10,173
$6.38
$64.92K
Otero Jose Manuel
18 Feb 2026
Chief Operating Officer
Sell
3,016
$6.40
$19.29K
Robertson Jenny
18 Nov 2025
Chief Legal Officer
Sell
549
$9.27
$5.09K
See Tai Sandi
18 Nov 2025
Chief Development Officer
Sell
386
$9.27
$3.58K
Adler Eric
18 Nov 2025
Chief Medical Officer
Sell
615
$9.27
$5.70K
Townsend Richard Nolan
18 Nov 2025
Chief Executive Officer
Sell
1,127
$9.27
$10.45K
Townsend Richard Nolan
17 Oct 2025
Chief Executive Officer
Sell
148
$9.56
$1.42K
Townsend Richard Nolan
17 Oct 2025
Chief Executive Officer
Sell
12,985
$8.94
$116.02K
Adler Eric
17 Oct 2025
Chief Medical Officer
Sell
38
$9.56
$363.32
Adler Eric
17 Oct 2025
Chief Medical Officer
Sell
3,344
$8.94
$29.88K
Otero Jose Manuel
17 Oct 2025
Chief Technical Officer
Sell
24
$9.56
$229.46
Otero Jose Manuel
17 Oct 2025
Chief Technical Officer
Sell
2,091
$8.94
$18.68K
Robertson Jenny
17 Oct 2025
Chief Legal Officer
Sell
40
$9.56
$382.44
Robertson Jenny
17 Oct 2025
Chief Legal Officer
Sell
3,486
$8.94
$31.15K
See Tai Sandi
17 Oct 2025
Chief Development Officer
Sell
44
$9.56
$420.68
See Tai Sandi
17 Oct 2025
Chief Development Officer
Sell
3,844
$8.94
$34.35K
See Tai Sandi
18 Aug 2025
Chief Development Officer
Sell
382
$4.67
$1.78K
Townsend Richard Nolan
18 Aug 2025
Chief Executive Officer
Sell
2,735
$4.67
$12.77K
Adler Eric
18 Aug 2025
Chief Medical Officer
Sell
608
$4.67
$2.84K
Robertson Jenny
18 Aug 2025
Chief Legal Officer
Sell
542
$4.67
$2.53K
Otero Jose Manuel
18 Aug 2025
Chief Technical Officer
Sell
2,848
$4.67
$13.29K
Otero Jose Manuel
18 Aug 2025
Chief Technical Officer
Sell
721
$9.27
$6.68K
See Tai Sandi
16 May 2025
Chief Development Officer
Sell
367
$2.77
$1.02K
Robertson Jenny
16 May 2025
Chief Legal Officer
Sell
521
$2.77
$1.45K
Adler Eric
16 May 2025
Chief Medical Officer
Sell
585
$2.77
$1.62K
Townsend Richard Nolan
16 May 2025
Chief Executive Officer
Sell
1,074
$2.77
$2.98K
Robertson Jenny
19 Feb 2025
Chief Legal Officer
Sell
2,101
$4.41
$9.27K
Adler Eric
19 Feb 2025
Chief Medical Officer
Sell
2,359
$4.41
$10.41K
See Tai Sandi
19 Feb 2025
Chief Development Officer
Sell
1,486
$4.41
$6.56K
Townsend Richard Nolan
19 Feb 2025
Chief Executive Officer
Sell
4,326
$4.41
$19.09K
Townsend Richard Nolan
10 Dec 2024
Chief Executive Officer
Sold after exercise
2,500
$8.20
$20.49K
CHOLMONDELEY PAULA H
25 Nov 2024
Director
Buy
15,000
$6.99
$104.85K
Townsend Richard Nolan
11 Nov 2024
Chief Executive Officer
Sold after exercise
2,500
$7.82
$19.56K
Townsend Richard Nolan
10 Oct 2024
Chief Executive Officer
Sold after exercise
5,000
$8.10
$40.50K
Townsend Richard Nolan
10 Sep 2024
Chief Executive Officer
Sold after exercise
5,000
$10.65
$53.27K
Townsend Richard Nolan
12 Aug 2024
Chief Executive Officer
Sold after exercise
5,000
$11.53
$57.63K
Townsend Richard Nolan
11 Jul 2024
Chief Executive Officer
Sold on a plan
100
$19.06
$1.91K
Townsend Richard Nolan
11 Jul 2024
Chief Executive Officer
Sold on a plan
27,931
$17.06
$476.50K
Townsend Richard Nolan
10 Jul 2024
Chief Executive Officer
Sold after exercise
3,347
$16.85
$56.40K
Townsend Richard Nolan
10 Jul 2024
Chief Executive Officer
Sold after exercise
23,622
$16.45
$388.58K
Townsend Richard Nolan
10 Jun 2024
Chief Executive Officer
Sold after exercise
2,038
$18.18
$37.05K
Townsend Richard Nolan
10 Jun 2024
Chief Executive Officer
Sold after exercise
2,962
$17.29
$51.21K
Townsend Richard Nolan
13 May 2024
Chief Executive Officer
Sold after exercise
5,000
$13.22
$66.09K
Longitude Capital Partners IV, LLC
7 Nov 2023
10% owner
Buy indirect
454,545
$11.00
$5.00M
Lundbeckfond Invest A/S
7 Nov 2023
10% owner
Buy
227,272
$11.00
$2.50M
Omega Fund VI, L.P.
7 Nov 2023
10% owner
Buy
454,545
$11.00
$5.00M

What was left out

Form 4 filings counted 94
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 2
Sales on a Rule 10b5-1 plan 3
Sales straight out of an exercise 10
Sales at will 39
Transactions with no price 0
Shares from compensation/vesting 6,488,985
History held since 9 Nov 2023