Lexeo Therapeutics, Inc. ($LXEO) Insider Transactions

Last updated: 2026-03-18 13:02 UTC | Total transactions: 136

In the last 12 months, insiders at Lexeo Therapeutics, Inc. ($LXEO) filed 136 transactions with the SEC: 4 open-market purchases totaling $12,604,834 and 44 sales totaling $1,715,298. Net insider sentiment: net buying.

Lexeo Therapeutics, Inc. operates in the Biological products, (no disgnostic substances) industry (Life sciences sector).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 13, 2026 Otero Jose Manuel Chief Operating Officer A Common Stock 5930 $2.64 131,390.0000 72,987,327 4.73% 0.01%
March 13, 2026 Townsend Richard Nolan Chief Executive Officer A Common Stock 2623 $2.64 395,106.0000 72,987,327 0.67% 0.00%
Feb. 18, 2026 Otero Jose Manuel Chief Operating Officer S Common Stock 3016 $6.40 125,460.0000 72,987,327 2.35% 0.00%
Feb. 18, 2026 Townsend Richard Nolan Chief Executive Officer S Common Stock 10173 $6.38 392,483.0000 72,987,327 2.53% 0.01%
Nov. 18, 2025 Otero Jose Manuel Chief Operating Officer S Common Stock 721 $9.27 63,476.0000 72,987,327 1.12% 0.00%
Feb. 13, 2026 Bhalla Narinder Pal Chief Medical Officer A Stock Option (right to buy) 297000 $0.00 297,000.0000 72,987,327 9999.99% 0.41%
Feb. 13, 2026 Bhalla Narinder Pal Chief Medical Officer A Common Stock 49500 $0.00 49,500.0000 72,987,327 9999.99% 0.07%
Feb. 4, 2026 Tamayo Louis Edward Chief Financial Officer A Common Stock 44665 $0.00 89,665.0000 72,987,327 99.26% 0.06%
Feb. 4, 2026 Tamayo Louis Edward Chief Financial Officer A Stock Option (right to buy) 226665 $0.00 226,665.0000 72,987,327 9999.99% 0.31%
Feb. 4, 2026 Townsend Richard Nolan Chief Executive Officer A Common Stock 161665 $0.00 402,656.0000 72,987,327 67.08% 0.22%
Feb. 4, 2026 Townsend Richard Nolan Chief Executive Officer A Stock Option (right to buy) 646665 $0.00 646,665.0000 72,987,327 9999.99% 0.89%
Feb. 4, 2026 Otero Jose Manuel Chief Operating Officer A Common Stock 65000 $0.00 128,476.0000 72,987,327 102.40% 0.09%
Feb. 4, 2026 Otero Jose Manuel Chief Operating Officer A Stock Option (right to buy) 260000 $0.00 260,000.0000 72,987,327 9999.99% 0.36%
Nov. 18, 2025 Townsend Richard Nolan Chief Executive Officer S Common Stock 1127 $9.27 240,991.0000 72,987,327 0.47% 0.00%
Nov. 18, 2025 See Tai Sandi Chief Development Officer S Common Stock 386 $9.27 65,476.0000 72,987,327 0.59% 0.00%
Nov. 18, 2025 Robertson Jenny Chief Legal Officer S Common Stock 549 $9.27 68,381.0000 72,987,327 0.80% 0.00%
Aug. 18, 2025 Otero Jose Manuel Chief Technical Officer S Common Stock 721 $9.27 63,476.0000 33,196,997 1.12% 0.00%
Nov. 18, 2025 Adler Eric Chief Medical Officer S Common Stock 615 $9.27 72,646.0000 72,987,327 0.84% 0.00%
Oct. 15, 2025 See Tai Sandi Chief Development Officer A Common Stock 10890 $0.00 69,750.0000 33,196,997 18.50% 0.03%
Oct. 17, 2025 Townsend Richard Nolan Chief Executive Officer S Common Stock 148 $9.56 242,118.0000 33,196,997 0.06% 0.00%
Oct. 17, 2025 Townsend Richard Nolan Chief Executive Officer S Common Stock 12985 $8.94 242,266.0000 33,196,997 5.09% 0.04%
Oct. 15, 2025 Townsend Richard Nolan Chief Executive Officer A Common Stock 33000 $0.00 255,251.0000 33,196,997 14.85% 0.10%
Oct. 17, 2025 Adler Eric Chief Medical Officer S Common Stock 38 $9.56 73,261.0000 33,196,997 0.05% 0.00%
Oct. 17, 2025 Adler Eric Chief Medical Officer S Common Stock 3344 $8.94 73,299.0000 33,196,997 4.36% 0.01%
Oct. 15, 2025 Adler Eric Chief Medical Officer A Common Stock 9570 $0.00 76,643.0000 33,196,997 14.27% 0.03%
Oct. 17, 2025 Otero Jose Manuel Chief Technical Officer S Common Stock 24 $9.56 64,197.0000 33,196,997 0.04% 0.00%
Oct. 17, 2025 Otero Jose Manuel Chief Technical Officer S Common Stock 2091 $8.94 64,221.0000 33,196,997 3.15% 0.01%
Oct. 15, 2025 Otero Jose Manuel Chief Technical Officer A Common Stock 5940 $0.00 66,312.0000 33,196,997 9.84% 0.02%
Oct. 17, 2025 Robertson Jenny Chief Legal Officer S Common Stock 40 $9.56 68,930.0000 33,196,997 0.06% 0.00%
Oct. 17, 2025 Robertson Jenny Chief Legal Officer S Common Stock 3486 $8.94 68,970.0000 33,196,997 4.81% 0.01%
Oct. 15, 2025 Robertson Jenny Chief Legal Officer A Common Stock 9900 $0.00 72,456.0000 33,196,997 15.83% 0.03%
Oct. 17, 2025 See Tai Sandi Chief Development Officer S Common Stock 44 $9.56 65,862.0000 33,196,997 0.07% 0.00%
Oct. 17, 2025 See Tai Sandi Chief Development Officer S Common Stock 3844 $8.94 65,906.0000 33,196,997 5.51% 0.01%
Sept. 12, 2025 Townsend Richard Nolan Chief Executive Officer A Common Stock 2193 $2.64 222,251.0000 33,196,997 1.00% 0.01%
Aug. 18, 2025 Townsend Richard Nolan Chief Executive Officer S Common Stock 1115 $4.67 220,058.0000 33,196,997 0.50% 0.00%
Aug. 29, 2025 Tamayo Louis Edward Chief Financial Officer A Common Stock 45000 $0.00 45,000.0000 33,196,997 9999.99% 0.14%
Aug. 29, 2025 Tamayo Louis Edward Chief Financial Officer A Stock Option (right to buy) 280000 $0.00 280,000.0000 33,196,997 9999.99% 0.84%
Aug. 18, 2025 Townsend Richard Nolan Chief Executive Officer S Common Stock 2735 $4.67 220,058.0000 33,196,997 1.23% 0.01%
Aug. 18, 2025 See Tai Sandi Chief Development Officer S Common Stock 382 $4.67 58,860.0000 33,196,997 0.64% 0.00%
Aug. 18, 2025 Adler Eric Chief Medical Officer S Common Stock 608 $4.67 67,073.0000 33,196,997 0.90% 0.00%
Aug. 18, 2025 Robertson Jenny Chief Legal Officer S Common Stock 542 $4.67 62,556.0000 33,196,997 0.86% 0.00%
Aug. 18, 2025 Otero Jose Manuel Chief Technical Officer S Common Stock 2848 $4.67 60,372.0000 33,196,997 4.50% 0.01%
June 26, 2025 Tanguler Tolga Not found A Stock Option (right to buy) 14583 $0.00 14,583.0000 33,196,997 9999.99% 0.04%
June 26, 2025 CHOLMONDELEY PAULA H Not found A Stock Option (right to buy) 25000 $0.00 25,000.0000 33,196,997 9999.99% 0.08%
June 26, 2025 COOPERSTONE BRENDA Not found A Stock Option (right to buy) 25000 $0.00 25,000.0000 33,196,997 9999.99% 0.08%
June 26, 2025 DIAZ REINALDO M Not found A Stock Option (right to buy) 25000 $0.00 25,000.0000 33,196,997 9999.99% 0.08%
June 26, 2025 Van Hauwermeiren Timothy Not found A Stock Option (right to buy) 22916 $0.00 22,916.0000 33,196,997 9999.99% 0.07%
June 26, 2025 Agger Mette Kirstine Not found A Stock Option (right to buy) 25000 $0.00 25,000.0000 33,196,997 9999.99% 0.08%
June 26, 2025 Altschuler Steven Not found A Stock Option (right to buy) 25000 $0.00 25,000.0000 33,196,997 9999.99% 0.08%
May 16, 2025 See Tai Sandi Chief Development Officer S Common Stock 367 $2.77 59,242.0000 33,196,997 0.62% 0.00%
May 16, 2025 Adler Eric Chief Medical Officer S Common Stock 585 $2.77 67,681.0000 33,196,997 0.86% 0.00%
May 16, 2025 Townsend Richard Nolan Chief Executive Officer S Common Stock 1074 $2.77 221,173.0000 33,196,997 0.48% 0.00%
May 16, 2025 Robertson Jenny Chief Legal Officer S Common Stock 521 $2.77 63,098.0000 33,196,997 0.82% 0.00%
March 14, 2025 Otero Jose Manuel Chief Technical Officer A Common Stock 5720 $2.61 63,220.0000 0 9.95% 0.00%
March 14, 2025 Robertson Jenny Chief Legal Officer A Common Stock 5720 $2.61 63,619.0000 0 9.88% 0.00%
March 14, 2025 See Tai Sandi Chief Development Officer A Common Stock 5720 $2.61 59,609.0000 0 10.61% 0.00%
March 14, 2025 Townsend Richard Nolan Chief Executive Officer A Common Stock 2128 $2.61 222,247.0000 0 0.97% 0.00%
Feb. 19, 2025 Townsend Richard Nolan Chief Executive Officer S Common Stock 4326 $4.41 220,119.0000 0 1.93% 0.00%
Feb. 19, 2025 See Tai Sandi Chief Development Officer S Common Stock 1486 $4.41 53,889.0000 0 2.68% 0.00%
Feb. 19, 2025 Adler Eric Chief Medical Officer S Common Stock 2359 $4.41 68,266.0000 0 3.34% 0.00%
Feb. 19, 2025 Robertson Jenny Chief Legal Officer S Common Stock 2101 $4.41 57,899.0000 0 3.50% 0.00%
Jan. 17, 2025 Rasbach Kyle Chief Financial Officer A Common Stock 40875 $0.00 40,875.0000 0 9999.99% 0.00%
Jan. 17, 2025 Rasbach Kyle Chief Financial Officer A Stock Option (right to buy) 245250 $0.00 245,250.0000 0 9999.99% 0.00%
Jan. 7, 2025 See Tai Sandi Chief Development Officer A Common Stock 38750 $0.00 55,375.0000 0 233.08% 0.00%
Jan. 7, 2025 See Tai Sandi Chief Development Officer A Stock Option (right to buy) 77500 $0.00 77,500.0000 0 9999.99% 0.00%
Jan. 7, 2025 Townsend Richard Nolan Chief Executive Officer A Common Stock 103750 $0.00 224,445.0000 0 85.96% 0.00%
Jan. 7, 2025 Townsend Richard Nolan Chief Executive Officer A Stock Option (right to buy) 207500 $0.00 207,500.0000 0 9999.99% 0.00%
Jan. 7, 2025 Otero Jose Manuel Chief Technical Officer A Common Stock 26250 $0.00 57,500.0000 0 84.00% 0.00%
Jan. 7, 2025 Otero Jose Manuel Chief Technical Officer A Stock Option (right to buy) 52500 $0.00 52,500.0000 0 9999.99% 0.00%
Jan. 7, 2025 Robertson Jenny Chief Legal & Admin Officer A Common Stock 36250 $0.00 60,000.0000 0 152.63% 0.00%
Jan. 7, 2025 Robertson Jenny Chief Legal & Admin Officer A Stock Option (right to buy) 72500 $0.00 72,500.0000 0 9999.99% 0.00%
Jan. 7, 2025 Adler Eric Chief Medical Officer A Common Stock 43750 $0.00 70,625.0000 0 162.79% 0.00%
Jan. 7, 2025 Adler Eric Chief Medical Officer A Stock Option (right to buy) 87500 $0.00 87,500.0000 0 9999.99% 0.00%
Dec. 10, 2024 Townsend Richard Nolan Chief Executive Officer M Common Stock 2500 $2.33 123,195.0000 0 2.07% 0.00%
Dec. 10, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 2500 $8.20 120,695.0000 0 2.03% 0.00%
Dec. 10, 2024 Townsend Richard Nolan Chief Executive Officer M Stock Option (right to buy) 2500 $0.00 118,655.0000 0 2.06% 0.00%
Nov. 25, 2024 CHOLMONDELEY PAULA H Not found P Common Stock 15000 $6.99 30,627.0000 0 95.99% 0.00%
Nov. 11, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 2500 $7.82 120,695.0000 0 2.03% 0.00%
Nov. 11, 2024 Tanguler Tolga Not found A Stock Option (right to buy) 36000 $0.00 36,000.0000 0 9999.99% 0.00%
Nov. 11, 2024 Townsend Richard Nolan Chief Executive Officer M Common Stock 2500 $2.33 123,195.0000 0 2.07% 0.00%
Nov. 11, 2024 Townsend Richard Nolan Chief Executive Officer M Stock Option (right to buy) 2500 $0.00 121,155.0000 0 2.02% 0.00%
Oct. 10, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 5000 $8.10 120,695.0000 0 3.98% 0.00%
Oct. 10, 2024 Townsend Richard Nolan Chief Executive Officer M Common Stock 5000 $2.33 125,695.0000 0 4.14% 0.00%
Oct. 10, 2024 Townsend Richard Nolan Chief Executive Officer M Stock Option (right to buy) 5000 $0.00 123,655.0000 0 3.89% 0.00%
Sept. 10, 2024 Townsend Richard Nolan Chief Executive Officer M Stock Option (right to buy) 5000 $0.00 128,655.0000 0 3.74% 0.00%
Sept. 10, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 5000 $10.65 120,695.0000 0 3.98% 0.00%
Sept. 10, 2024 Townsend Richard Nolan Chief Executive Officer M Common Stock 5000 $2.33 125,695.0000 0 4.14% 0.00%
Aug. 12, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 5000 $11.53 120,695.0000 0 3.98% 0.00%
Aug. 12, 2024 Townsend Richard Nolan Chief Executive Officer M Stock Option (right to buy) 5000 $0.00 133,655.0000 0 3.61% 0.00%
Aug. 12, 2024 Townsend Richard Nolan Chief Executive Officer M Common Stock 5000 $2.33 125,695.0000 0 4.14% 0.00%
July 10, 2024 Townsend Richard Nolan Chief Executive Officer M Common Stock 5000 $2.33 175,695.0000 0 2.93% 0.00%
July 10, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 23622 $16.45 152,073.0000 0 13.44% 0.00%
July 11, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 27931 $17.06 120,795.0000 0 18.78% 0.00%
July 10, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 3347 $16.85 148,726.0000 0 2.20% 0.00%
July 11, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 100 $19.06 120,695.0000 0 0.08% 0.00%
July 10, 2024 Townsend Richard Nolan Chief Executive Officer M Stock Option (right to buy) 5000 $0.00 138,655.0000 0 3.48% 0.00%
July 5, 2024 Van Hauwermeiren Timothy Not found A Stock Option (right to buy) 36000 $0.00 36,000.0000 0 9999.99% 0.00%
June 25, 2024 Altschuler Steven Not found A Stock Option (right to buy) 18000 $0.00 18,000.0000 0 9999.99% 0.00%
June 25, 2024 Agger Mette Kirstine Not found A Stock Option (right to buy) 18000 $0.00 18,000.0000 0 9999.99% 0.00%
June 25, 2024 CHOLMONDELEY PAULA H Not found A Stock Option (right to buy) 18000 $0.00 18,000.0000 0 9999.99% 0.00%
June 25, 2024 DIAZ REINALDO M Not found A Stock Option (right to buy) 18000 $0.00 18,000.0000 0 9999.99% 0.00%
June 25, 2024 COOPERSTONE BRENDA Not found A Stock Option (right to buy) 18000 $0.00 18,000.0000 0 9999.99% 0.00%
June 12, 2024 Otero Jose Manuel Chief Technical Officer A Common Stock 31250 $0.00 31,250.0000 0 9999.99% 0.00%
June 12, 2024 Otero Jose Manuel Chief Technical Officer A Stock Option (Right to Buy) 187500 $0.00 187,500.0000 0 9999.99% 0.00%
June 10, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 2038 $18.18 170,695.0000 0 1.18% 0.00%
June 10, 2024 Townsend Richard Nolan Chief Executive Officer M Stock Option (right to buy) 5000 $0.00 143,655.0000 0 3.36% 0.00%
June 10, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 2962 $17.29 172,733.0000 0 1.69% 0.00%
June 10, 2024 Townsend Richard Nolan Chief Executive Officer M Common Stock 5000 $2.33 175,695.0000 0 2.93% 0.00%
May 13, 2024 Townsend Richard Nolan Chief Executive Officer S Common Stock 5000 $13.22 170,695.0000 0 2.85% 0.00%
May 13, 2024 Townsend Richard Nolan Chief Executive Officer M Stock Option (Right to Buy) 5000 $2.33 148,655.0000 0 3.25% 0.00%
May 13, 2024 Townsend Richard Nolan Chief Executive Officer M Common Stock 5000 $2.33 175,695.0000 0 2.93% 0.00%
Feb. 2, 2024 DIAZ REINALDO M Director A Stock Option (right to buy) 36000 $0.00 36,000.0000 0 9999.99% 0.00%
Feb. 2, 2024 Adler Eric Chief Medical Officer A Employee Stock Option (right to buy) 161250 $0.00 161,250.0000 0 9999.99% 0.00%
Feb. 2, 2024 Adler Eric Chief Medical Officer A Common Stock 26875 $0.00 26,875.0000 0 9999.99% 0.00%
Feb. 2, 2024 Agger Mette Kirstine Director A Stock Option (right to buy) 36000 $0.00 36,000.0000 0 9999.99% 0.00%
Jan. 5, 2024 Townsend Richard Nolan Chief Executive Officer A Common Stock 43750 $0.00 170,695.0000 0 34.46% 0.00%
Jan. 5, 2024 Townsend Richard Nolan Chief Executive Officer A Stock Option (Right to Buy) 262500 $0.00 262,500.0000 0 9999.99% 0.00%
Jan. 5, 2024 Robertson Jenny Chief Legal and Admin Officer A Common Stock 23750 $0.00 23,750.0000 0 9999.99% 0.00%
Jan. 5, 2024 Robertson Jenny Chief Legal and Admin Officer A Stock Option (Right to Buy) 142500 $0.00 142,500.0000 0 9999.99% 0.00%
Nov. 7, 2023 Longitude Capital Partners IV, LLC TenPercentOwner P Common Stock 454545 $11.00 2,567,100.0000 0 21.52% 0.00%
Nov. 7, 2023 Longitude Capital Partners IV, LLC TenPercentOwner C Series A convertible preferred stock 18999999 $0.00 0.0000 0 100.00% 0.00%
Nov. 7, 2023 Longitude Capital Partners IV, LLC TenPercentOwner C Series B convertible preferred stock 2906148 $0.00 0.0000 0 100.00% 0.00%
Nov. 7, 2023 Lundbeckfond Invest A/S TenPercentOwner P Common Stock 227272 $11.00 1,835,959.0000 0 14.13% 0.00%
Nov. 7, 2023 Lundbeckfond Invest A/S TenPercentOwner C Common Stock 287213 $0.00 1,608,687.0000 0 21.73% 0.00%
Nov. 7, 2023 Lundbeckfond Invest A/S TenPercentOwner C Common Stock 1321474 $0.00 1,321,474.0000 0 9999.99% 0.00%
Nov. 7, 2023 Lundbeckfond Invest A/S TenPercentOwner C Series A convertible preferred stock 13999999 $0.00 0.0000 0 100.00% 0.00%
Nov. 7, 2023 McCormac Paul Chief Technical Officer C Common Stock 3191 $0.00 17,349.0000 0 22.54% 0.00%
Nov. 7, 2023 Omega Fund VI, L.P. TenPercentOwner C Series B convertible preferred stock 2615533 $0.00 0.0000 0 100.00% 0.00%
Nov. 7, 2023 Omega Fund VI, L.P. TenPercentOwner C Series A convertible preferred stock 14999999 $0.00 0.0000 0 100.00% 0.00%
Nov. 7, 2023 Omega Fund VI, L.P. TenPercentOwner P Common Stock 454545 $11.00 2,157,623.0000 0 26.69% 0.00%
Nov. 7, 2023 Omega Fund VI, L.P. TenPercentOwner C Common Stock 287213 $0.00 1,703,078.0000 0 20.29% 0.00%
Nov. 7, 2023 Omega Fund VI, L.P. TenPercentOwner C Common Stock 1415865 $0.00 1,415,865.0000 0 9999.99% 0.00%
Nov. 7, 2023 McCormac Paul Chief Technical Officer C Series B convertible preferred stock 29061 $0.00 0.0000 0 100.00% 0.00%
Nov. 7, 2023 Lundbeckfond Invest A/S TenPercentOwner C Series B convertible preferred stock 2615533 $0.00 0.0000 0 100.00% 0.00%
Nov. 7, 2023 Longitude Capital Partners IV, LLC TenPercentOwner C Common Stock 1793429 $0.00 1,793,429.0000 0 9999.99% 0.00%
Nov. 7, 2023 Longitude Capital Partners IV, LLC TenPercentOwner C Common Stock 319126 $0.00 2,112,555.0000 0 17.79% 0.00%