LeonaBio Inc (ATHA)

LeonaBio Inc experienced multiple insider trading transactions on March 4, 2026. Key executives, including the CEO, CFO, and Chief Medical Officer, executed sales of company shares. These recent divestments follow similar patterns observed earlier this year. No acquisitions were reported during this period, reflecting a consistent trend of selling activity among leadership members.
Ticker: ATHA Exchange: NAS


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Insider trades have triggered activity signals for LeonaBio Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.0
Litton Mark James PRESIDENT and CEO Executive Director
Transaction date
Sale
Price
458.68
Quantity 94,883 +18.0%
Value US$1,554,291
3.3
Renninger Robert CHIEF FINANCIAL OFFICER Officer
Transaction date
Sale
Price
408.72
Quantity 93,329 -16.4%
Value US$658,119
3.1
Worthington Mark GENERAL COUNSEL and CCO Officer
Transaction date
Sale
Price
147.12
Quantity 84,600 -17.1%
Value US$1,327,675
2.7
CHURCH KEVIN CHIEF SCIENTIFIC OFFICER Officer
Transaction date
Sale
Price
5.37
Quantity 1,359 -5.1%
Value US$7,298
3.0
San Martin Javier CHIEF MEDICAL OFFICER Officer
Transaction date
Sale
Price
5.37
Quantity 1,720 -9.8%
Value US$9,236
3.0
Mark James Litton Officer; Director Executive Director
Transaction date
Proposed sale
Price
5.36
Quantity 5,156
Value US$27,662
3.0
Litton Mark James President and CEO Executive Director
Transaction date
Sale
Price
6.88
Quantity 2,586 -6.0%
Value US$17,792
3.3
Renninger Robert Chief Financial Officer Officer
Transaction date
Sale
Price
6.88
Quantity 297 -2.3%
Value US$2,043
3.0
San Martin Javier CHIEF MEDICAL OFFICER Officer
Transaction date
Sale
Price
6.88
Quantity 1,644 -13.9%
Value US$11,311
2.7
CHURCH KEVIN CHIEF SCIENTIFIC OFFICER Officer
Transaction date
Sale
Price
6.88
Quantity 876 -4.1%
Value US$6,027
3.1
Worthington Mark General Counsel and CCO Officer
Transaction date
Sale
Price
6.88
Quantity 876 -5.9%
Value US$6,027
3.3
Renninger Robert SVP, Finance and Accounting Officer
Transaction date
Sale
Price
0.29
Quantity 2,897 -2.6%
Value US$850
3.1
Worthington Mark General Counsel and CCO Officer
Transaction date
Sale
Price
0.29
Quantity 8,526 -7.1%
Value US$2,502
2.7
CHURCH KEVIN CHIEF SCIENTIFIC OFFICER Officer
Transaction date
Sale
Price
0.29
Quantity 8,526 -4.8%
Value US$2,502
3.0
Litton Mark James President and CEO Executive Director
Transaction date
Sale
Price
0.29
Quantity 25,123 -7.2%
Value US$7,374
3.0
San Martin Javier CHIEF MEDICAL OFFICER Officer
Transaction date
Sale
Price
0.29
Quantity 10,842 -13.1%
Value US$3,182
3.0
Mark James Litton Officer; Director Executive Director
Transaction date
Proposed sale
Price
0.29
Quantity 25,123
Value US$7,374
3.0
Javier San Martin Officer Officer
Transaction date
Proposed sale
Price
0.29
Quantity 10,842
Value US$3,182
2.7
Kevin Church Officer Officer
Transaction date
Proposed sale
Price
0.29
Quantity 8,526
Value US$2,502
3.1
Mark Worthington Officer Officer
Transaction date
Proposed sale
Price
0.29
Quantity 8,526
Value US$2,502
3.0
San Martin Javier CHIEF MEDICAL OFFICER Officer
Transaction date
Sale
Price
0.56
Quantity 10,826 -23.2%
Value US$6,083
3.1
Worthington Mark General Counsel and CCO Officer
Transaction date
Sale
Price
0.56
Quantity 8,510 -9.2%
Value US$4,782
3.3
Renninger Robert VP of Finance Officer
Transaction date
Sale
Price
0.56
Quantity 2,881 -3.1%
Value US$1,619
3.0
Litton Mark James President and CEO Executive Director
Transaction date
Sale
Price
0.56
Quantity 25,107 -9.4%
Value US$14,108
2.7
CHURCH KEVIN CHIEF SCIENTIFIC OFFICER Officer
Transaction date
Sale
Price
0.56
Quantity 8,510 -6.1%
Value US$4,782
3.0
Javier San Martin Officer Officer
Transaction date
Proposed sale
Price
0.56
Quantity 10,826
Value US$6,083
3.0
Mark James Litton Officer; Director Executive Director
Transaction date
Proposed sale
Price
0.56
Quantity 25,107
Value US$14,108
3.1
Mark Worthington Officer Officer
Transaction date
Proposed sale
Price
0.56
Quantity 8,510
Value US$4,782
2.7
Kevin Church Officer Officer
Transaction date
Proposed sale
Price
0.56
Quantity 8,510
Value US$4,782
3.0
Mark James Litton Officer; Director Executive Director
Transaction date
Proposed sale
Price
0.00
Quantity 5,032
Value US$1
2.0
Lenington Rachel COO and CDO Officer
Transaction date
Sale
Price
0.57
Quantity 2,525 -10.8%
Value US$1,429
3.1
Worthington Mark GENERAL COUNSEL Officer
Transaction date
Sale
Price
0.57
Quantity 2,525 -4.6%
Value US$1,429
2.7
CHURCH KEVIN CHIEF SCIENTIFIC OFFICER Officer
Transaction date
Sale
Price
0.57
Quantity 2,525 -2.7%
Value US$1,429
1.8
Gengos Andrew CFO and Chief Business Officer Officer
Transaction date
Sale
Price
0.57
Quantity 1,272 -1.3%
Value US$720
3.0
Litton Mark James President and CEO Executive Director
Transaction date
Sale
Price
0.57
Quantity 5,032 -3.1%
Value US$2,848
2.1
Romano Kelly A Non-Executive Director
Transaction date
Purchase
Price
2.42
Quantity 27,400 +51.4%
Value US$66,179
2.1
Romano Kelly A Non-Executive Director
Transaction date
Purchase
Price
2.26
Quantity 15,000 +39.1%
Value US$33,872
2.0
Lenington Rachel Chief Operating Officer Officer
Transaction date
Sale
Price
2.91
Quantity 2,412 -15.3%
Value US$7,019
3.1
Worthington Mark General Counsel Officer
Transaction date
Sale
Price
2.91
Quantity 2,412 -6.5%
Value US$7,019
3.0
Litton Mark James Chief Executive Officer Executive Director
Transaction date
Sale
Price
2.91
Quantity 4,820 -3.2%
Value US$14,026
2.7
PERCEPTIVE ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.38
Quantity 163,954 +3.1%
Value US$390,211
2.7
PERCEPTIVE ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.44
Quantity 409,598 +8.5%
Value US$999,419
2.7
PERCEPTIVE ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.28
Quantity 32,134 +0.7%
Value US$73,266
1.8
Gengos Andrew See Below Officer
Transaction date
Purchase
Price
3.44
Quantity 11,719 +17.2%
Value US$40,308
1.8
Gengos Andrew See Below Officer
Transaction date
Purchase
Price
3.40
Quantity 2,859 +4.4%
Value US$9,721
1.8
Gengos Andrew See Below Officer
Transaction date
Purchase
Price
3.36
Quantity 422 +0.6%
Value US$1,417
1.8
Gengos Andrew See Below Officer
Transaction date
Purchase
Price
3.02
Quantity 10,000 +18.2%
Value US$30,154
1.8
Gengos Andrew See Below Officer
Transaction date
Purchase
Price
3.00
Quantity 10,000 +22.2%
Value US$29,999
1.8
Gengos Andrew See Below Officer
Transaction date
Purchase
Price
3.00
Quantity 10,000 +28.6%
Value US$29,997
1.8
Gengos Andrew See Below Officer
Transaction date
Purchase
Price
3.00
Quantity 15,000 +75.0%
Value US$45,000
1.8
Gengos Andrew See Below Officer
Transaction date
Purchase
Price
2.95
Quantity 3,418 +20.6%
Value US$10,066
1.8
Gengos Andrew See Below Officer
Transaction date
Purchase
Price
2.86
Quantity 6,582 +65.7%
Value US$18,823
1.8
Gengos Andrew See Below Officer
Transaction date
Purchase
Price
2.75
Quantity 10,012 +inf%
Value US$27,533
3.1
JOHNSON JAMES A Non-Executive Director
Transaction date
Purchase
Price
2.40
Quantity 5,000 +inf%
Value US$12,000
1.8
Gengos Andrew See Below Officer
Transaction date
Sale
Price
2.91
Quantity 1,208 -1.4%
Value US$3,515
2.7
CHURCH KEVIN Chief Scientific Officer Officer
Transaction date
Sale
Price
2.91
Quantity 2,412 -2.9%
Value US$7,019
2.1
MILESON GLENNA Chief Financial Officer Officer
Transaction date
Purchase
Price
2.85
Quantity 50,000 +45.5%
Value US$142,250
2.1
Romano Kelly A Non-Executive Director
Transaction date
Purchase
Price
3.29
Quantity 30,000 +360.8%
Value US$98,700
1.4
MOEBIUS HANS Chief Medical Officer Officer
Transaction date
Purchase
Price
3.29
Quantity 5,000 +8.2%
Value US$16,442
2.7
PERCEPTIVE ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.99
Quantity 1,101,362 +29.8%
Value US$3,293,072
2.7
PERCEPTIVE ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.99
Quantity 270,000 +7.9%
Value US$807,300
3.1
Worthington Mark General Counsel Officer
Transaction date
Sale
Price
2.69
Quantity 2,614 -12.0%
Value US$7,032
2.0
Lenington Rachel Chief Operating Officer Officer
Transaction date
Sale
Price
2.69
Quantity 4,193 -41.9%
Value US$11,279
3.0
Litton Mark James Chief Executive Officer Executive Director
Transaction date
Sale
Price
2.69
Quantity 7,960 -5.8%
Value US$21,412
2.1
MILESON GLENNA Chief Financial Officer Officer
Transaction date
Sale
Price
2.69
Quantity 2,614 -2.3%
Value US$7,032
2.7
CHURCH KEVIN Executive VP, Research Officer
Transaction date
Sale
Price
2.69
Quantity 2,614 -4.3%
Value US$7,032
2.1
Romano Kelly A Non-Executive Director
Transaction date
Purchase
Price
13.11
Quantity 8,000 +2539.7%
Value US$104,880
2.7
PERCEPTIVE ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
22.50
Quantity 311,111 +10.0%
Value US$6,999,998
3.9
EDELMAN JOSEPH Non-Executive Director Large shareholder
Transaction date
Purchase
Price
17.00
Quantity 1,058,824 +51.5%
Value US$18,000,008
2.7
PERCEPTIVE ADVISORS LLC Large shareholder
Transaction date
Purchase
Price
17.00
Quantity 1,058,824 +51.5%
Value US$18,000,008
2.7
RTW INVESTMENTS, LP Large shareholder
Transaction date
Purchase
Price
17.00
Quantity 750,000 +39.1%
Value US$12,750,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-03-05 2026-03-04 S Sale

PRESIDENT and CEO

Executive Director
94,883 +18.0%
458.68
US$1,554,291
94,883 +18.0% 458.68 US$1,554,291
2026-03-05 2026-03-04 S Sale

CHIEF FINANCIAL OFFICER

Officer
93,329 -16.4%
408.72
US$658,119
93,329 -16.4% 408.72 US$658,119
2026-03-05 2026-03-04 S Sale

GENERAL COUNSEL and CCO

Officer
84,600 -17.1%
147.12
US$1,327,675
84,600 -17.1% 147.12 US$1,327,675
2026-03-05 2026-03-04 S Sale

CHIEF SCIENTIFIC OFFICER

Officer
1,359 -5.1%
5.37
US$7,298
1,359 -5.1% 5.37 US$7,298
2026-03-05 2026-03-04 S Sale

CHIEF MEDICAL OFFICER

Officer
1,720 -9.8%
5.37
US$9,236
1,720 -9.8% 5.37 US$9,236
2026-03-04 2026-03-04 PrS Proposed sale

Officer; Director

Executive Director
5,156
5.36
US$27,662
5,156 5.36 US$27,662
2026-01-05 2026-01-02 S Sale

President and CEO

Executive Director
2,586 -6.0%
6.88
US$17,792
2,586 -6.0% 6.88 US$17,792
2026-01-05 2026-01-02 S Sale

Chief Financial Officer

Officer
297 -2.3%
6.88
US$2,043
297 -2.3% 6.88 US$2,043
2026-01-05 2026-01-02 S Sale

CHIEF MEDICAL OFFICER

Officer
1,644 -13.9%
6.88
US$11,311
1,644 -13.9% 6.88 US$11,311
2026-01-05 2026-01-02 S Sale

CHIEF SCIENTIFIC OFFICER

Officer
876 -4.1%
6.88
US$6,027
876 -4.1% 6.88 US$6,027
2026-01-05 2026-01-02 S Sale

General Counsel and CCO

Officer
876 -5.9%
6.88
US$6,027
876 -5.9% 6.88 US$6,027
2025-07-02 2025-07-01 S Sale

SVP, Finance and Accounting

Officer
2,897 -2.6%
0.29
US$850
2,897 -2.6% 0.29 US$850
2025-07-02 2025-07-01 S Sale

General Counsel and CCO

Officer
8,526 -7.1%
0.29
US$2,502
8,526 -7.1% 0.29 US$2,502
2025-07-02 2025-07-01 S Sale

CHIEF SCIENTIFIC OFFICER

Officer
8,526 -4.8%
0.29
US$2,502
8,526 -4.8% 0.29 US$2,502
2025-07-02 2025-07-01 S Sale

President and CEO

Executive Director
25,123 -7.2%
0.29
US$7,374
25,123 -7.2% 0.29 US$7,374
2025-07-02 2025-07-01 S Sale

CHIEF MEDICAL OFFICER

Officer
10,842 -13.1%
0.29
US$3,182
10,842 -13.1% 0.29 US$3,182
2025-07-01 2025-07-01 PrS Proposed sale

Officer; Director

Executive Director
25,123
0.29
US$7,374
25,123 0.29 US$7,374
2025-07-01 2025-07-01 PrS Proposed sale

Officer

Officer
10,842
0.29
US$3,182
10,842 0.29 US$3,182
2025-07-01 2025-07-01 PrS Proposed sale

Officer

Officer
8,526
0.29
US$2,502
8,526 0.29 US$2,502
2025-07-01 2025-07-01 PrS Proposed sale

Officer

Officer
8,526
0.29
US$2,502
8,526 0.29 US$2,502
2025-01-03 2025-01-02 S Sale

CHIEF MEDICAL OFFICER

Officer
10,826 -23.2%
0.56
US$6,083
10,826 -23.2% 0.56 US$6,083
2025-01-03 2025-01-02 S Sale

General Counsel and CCO

Officer
8,510 -9.2%
0.56
US$4,782
8,510 -9.2% 0.56 US$4,782
2025-01-03 2025-01-02 S Sale

VP of Finance

Officer
2,881 -3.1%
0.56
US$1,619
2,881 -3.1% 0.56 US$1,619
2025-01-03 2025-01-02 S Sale

President and CEO

Executive Director
25,107 -9.4%
0.56
US$14,108
25,107 -9.4% 0.56 US$14,108
2025-01-03 2025-01-02 S Sale

CHIEF SCIENTIFIC OFFICER

Officer
8,510 -6.1%
0.56
US$4,782
8,510 -6.1% 0.56 US$4,782
2025-01-02 2025-01-02 PrS Proposed sale

Officer

Officer
10,826
0.56
US$6,083
10,826 0.56 US$6,083
2025-01-02 2025-01-02 PrS Proposed sale

Officer; Director

Executive Director
25,107
0.56
US$14,108
25,107 0.56 US$14,108
2025-01-02 2025-01-02 PrS Proposed sale

Officer

Officer
8,510
0.56
US$4,782
8,510 0.56 US$4,782
2025-01-02 2025-01-02 PrS Proposed sale

Officer

Officer
8,510
0.56
US$4,782
8,510 0.56 US$4,782
2024-09-05 2024-09-05 PrS Proposed sale

Officer; Director

Executive Director
5,032
0.00
US$1
5,032 0.00 US$1
2024-09-05 2024-09-05 S Sale

COO and CDO

Officer
2,525 -10.8%
0.57
US$1,429
2,525 -10.8% 0.57 US$1,429
2024-09-05 2024-09-05 S Sale

GENERAL COUNSEL

Officer
2,525 -4.6%
0.57
US$1,429
2,525 -4.6% 0.57 US$1,429
2024-09-05 2024-09-05 S Sale

CHIEF SCIENTIFIC OFFICER

Officer
2,525 -2.7%
0.57
US$1,429
2,525 -2.7% 0.57 US$1,429
2024-09-05 2024-09-05 S Sale

CFO and Chief Business Officer

Officer
1,272 -1.3%
0.57
US$720
1,272 -1.3% 0.57 US$720
2024-09-05 2024-09-05 S Sale

President and CEO

Executive Director
5,032 -3.1%
0.57
US$2,848
5,032 -3.1% 0.57 US$2,848
2024-06-25 2024-06-24 B Purchase Non-Executive Director
27,400 +51.4%
2.42
US$66,179
27,400 +51.4% 2.42 US$66,179
2024-06-25 2024-06-21 B Purchase Non-Executive Director
15,000 +39.1%
2.26
US$33,872
15,000 +39.1% 2.26 US$33,872
2024-01-08 2024-01-05 S Sale

Chief Operating Officer

Officer
2,412 -15.3%
2.91
US$7,019
2,412 -15.3% 2.91 US$7,019
2024-01-08 2024-01-05 S Sale

General Counsel

Officer
2,412 -6.5%
2.91
US$7,019
2,412 -6.5% 2.91 US$7,019
2024-01-08 2024-01-05 S Sale

Chief Executive Officer

Executive Director
4,820 -3.2%
2.91
US$14,026
4,820 -3.2% 2.91 US$14,026
2023-12-29 2023-12-29 B Purchase Non-Executive Director Large shareholder
163,954 +3.1%
2.38
US$390,211
163,954 +3.1% 2.38 US$390,211
2023-12-29 2023-12-28 B Purchase Non-Executive Director Large shareholder
409,598 +8.5%
2.44
US$999,419
409,598 +8.5% 2.44 US$999,419
2023-12-29 2023-12-27 B Purchase Non-Executive Director Large shareholder
32,134 +0.7%
2.28
US$73,266
32,134 +0.7% 2.28 US$73,266
2023-06-09 2023-06-07 B Purchase

See Below

Officer
11,719 +17.2%
3.44
US$40,308
11,719 +17.2% 3.44 US$40,308
2023-06-09 2023-06-07 B Purchase

See Below

Officer
2,859 +4.4%
3.40
US$9,721
2,859 +4.4% 3.40 US$9,721
2023-06-09 2023-06-07 B Purchase

See Below

Officer
422 +0.6%
3.36
US$1,417
422 +0.6% 3.36 US$1,417
2023-06-06 2023-06-05 B Purchase

See Below

Officer
10,000 +18.2%
3.02
US$30,154
10,000 +18.2% 3.02 US$30,154
2023-06-06 2023-06-05 B Purchase

See Below

Officer
10,000 +22.2%
3.00
US$29,999
10,000 +22.2% 3.00 US$29,999
2023-06-06 2023-06-05 B Purchase

See Below

Officer
10,000 +28.6%
3.00
US$29,997
10,000 +28.6% 3.00 US$29,997
2023-06-06 2023-06-05 B Purchase

See Below

Officer
15,000 +75.0%
3.00
US$45,000
15,000 +75.0% 3.00 US$45,000
2023-06-06 2023-06-02 B Purchase

See Below

Officer
3,418 +20.6%
2.95
US$10,066
3,418 +20.6% 2.95 US$10,066
2023-06-06 2023-06-02 B Purchase

See Below

Officer
6,582 +65.7%
2.86
US$18,823
6,582 +65.7% 2.86 US$18,823
2023-06-06 2023-06-02 B Purchase

See Below

Officer
10,012 +inf%
2.75
US$27,533
10,012 +inf% 2.75 US$27,533
2023-03-30 2023-03-29 B Purchase Non-Executive Director
5,000 +inf%
2.40
US$12,000
5,000 +inf% 2.40 US$12,000
2024-01-08 2023-01-05 S Sale

See Below

Officer
1,208 -1.4%
2.91
US$3,515
1,208 -1.4% 2.91 US$3,515
2024-01-08 2023-01-05 S Sale

Chief Scientific Officer

Officer
2,412 -2.9%
2.91
US$7,019
2,412 -2.9% 2.91 US$7,019
2022-12-30 2022-12-28 B Purchase

Chief Financial Officer

Officer
50,000 +45.5%
2.85
US$142,250
50,000 +45.5% 2.85 US$142,250
2022-12-06 2022-12-02 B Purchase Non-Executive Director
30,000 +360.8%
3.29
US$98,700
30,000 +360.8% 3.29 US$98,700
2022-11-17 2022-11-15 B Purchase

Chief Medical Officer

Officer
5,000 +8.2%
3.29
US$16,442
5,000 +8.2% 3.29 US$16,442
2022-07-01 2022-06-30 B Purchase Non-Executive Director Large shareholder
1,101,362 +29.8%
2.99
US$3,293,072
1,101,362 +29.8% 2.99 US$3,293,072
2022-07-01 2022-06-29 B Purchase Non-Executive Director Large shareholder
270,000 +7.9%
2.99
US$807,300
270,000 +7.9% 2.99 US$807,300
2022-06-24 2022-06-23 S Sale

General Counsel

Officer
2,614 -12.0%
2.69
US$7,032
2,614 -12.0% 2.69 US$7,032
2022-06-24 2022-06-23 S Sale

Chief Operating Officer

Officer
4,193 -41.9%
2.69
US$11,279
4,193 -41.9% 2.69 US$11,279
2022-06-24 2022-06-23 S Sale

Chief Executive Officer

Executive Director
7,960 -5.8%
2.69
US$21,412
7,960 -5.8% 2.69 US$21,412
2022-06-24 2022-06-23 S Sale

Chief Financial Officer

Officer
2,614 -2.3%
2.69
US$7,032
2,614 -2.3% 2.69 US$7,032
2022-06-24 2022-06-23 S Sale

Executive VP, Research

Officer
2,614 -4.3%
2.69
US$7,032
2,614 -4.3% 2.69 US$7,032
2022-04-01 2022-03-31 B Purchase Non-Executive Director
8,000 +2539.7%
13.11
US$104,880
8,000 +2539.7% 13.11 US$104,880
2021-01-27 2021-01-25 B Purchase Non-Executive Director Large shareholder
311,111 +10.0%
22.50
US$6,999,998
311,111 +10.0% 22.50 US$6,999,998
2020-09-22 2020-09-22 B Purchase Non-Executive Director Large shareholder
1,058,824 +51.5%
17.00
US$18,000,008
1,058,824 +51.5% 17.00 US$18,000,008
2020-09-22 2020-09-22 B Purchase Large shareholder
1,058,824 +51.5%
17.00
US$18,000,008
1,058,824 +51.5% 17.00 US$18,000,008
2020-09-22 2020-09-18 B Purchase Large shareholder
750,000 +39.1%
17.00
US$12,750,000
750,000 +39.1% 17.00 US$12,750,000