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LeonaBio, Inc.

LONA Net buying
CIK 0001620463 #4535 in the set updated 17 Sep 2026
Bought (120 mo)
$62.12M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$247.44K
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$247.44K
35 of 35 sales
Net
+$61.87M
+$61.87M against sales at will

By person

16 insiders · 79 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
PERCEPTIVE ADVISORS LLC entity
Director
$30.56M (7)
+$30.56M
3,755,672
$20.17M
EDELMAN JOSEPH
Director
$18.00M (1)
+$18.00M
3,114,805
$16.73M
+657.5%
RTW INVESTMENTS, LP entity
10% owner
$12.75M (1)
+$12.75M
2,668,913
$14.33M
+595.4%
Romano Kelly A
Director
$303.63K (4)
+$303.63K
80,715
$433.44K
+25,524%
Gengos Andrew
CFO and Chief Business Officer
$243.02K (10)
$4.24K (2)
+$238.78K
97,532
$523.75K
MILESON GLENNA
Chief Financial Officer
$142.25K (1)
$7.03K (1)
+$135.22K
159,930
$858.82K
+95.1%
Litton Mark James
PRESIDENT and CEO
$105.25K (7)
−$105.25K
77,615
$416.79K
PICKERING GRANT
Director
$60.35K (2)
+$60.35K
25,783
$138.45K
+3,193%
MOEBIUS HANS
Chief Medical Officer
$45.24K (2)
+$45.24K
91,482
$491.26K
CHURCH KEVIN
CHIEF SCIENTIFIC OFFICER
$36.09K (7)
−$36.09K
25,178
$135.21K
Worthington Mark
GENERAL COUNSEL and CCO
$35.92K (7)
−$35.92K
18,376
$98.68K
San Martin Javier
CHIEF MEDICAL OFFICER
$29.81K (4)
−$29.81K
15,887
$85.31K
Lenington Rachel
COO and CDO
$19.73K (3)
−$19.73K
20,870
$112.07K
JOHNSON JAMES A
Director
$12.00K (1)
+$12.00K
5,000
$26.85K
Renninger Robert
CHIEF FINANCIAL OFFICER
$9.38K (4)
−$9.38K
15,851
$85.12K
FLUKE JOHN M JR
Director
155,346
$834.21K
+171.7%

No percentages here. This company's share count has moved by a factor of 10.0 over the window, from 3,943,887 to 39,439,326 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
San Martin Javier
4 Mar 2026
CHIEF MEDICAL OFFICER
Sell
1,720
$5.37
$9.24K
CHURCH KEVIN
4 Mar 2026
CHIEF SCIENTIFIC OFFICER
Sell
1,359
$5.37
$7.30K
Worthington Mark
4 Mar 2026
GENERAL COUNSEL and CCO
Sell
1,328
$5.37
$7.13K
Renninger Robert
4 Mar 2026
CHIEF FINANCIAL OFFICER
Sell
906
$5.37
$4.87K
Litton Mark James
4 Mar 2026
PRESIDENT and CEO
Sell
5,156
$5.37
$27.69K
Worthington Mark
2 Jan 2026
General Counsel and CCO
Sell
876
$6.88
$6.03K
CHURCH KEVIN
2 Jan 2026
CHIEF SCIENTIFIC OFFICER
Sell
876
$6.88
$6.03K
Renninger Robert
2 Jan 2026
Chief Financial Officer
Sell
297
$6.88
$2.04K
Litton Mark James
2 Jan 2026
President and CEO
Sell
2,586
$6.88
$17.79K
San Martin Javier
2 Jan 2026
CHIEF MEDICAL OFFICER
Sell
1,644
$6.88
$11.31K
Renninger Robert
1 Jul 2025
SVP, Finance and Accounting
Sell
2,897
$0.29
$850.27
Worthington Mark
1 Jul 2025
General Counsel and CCO
Sell
8,526
$0.29
$2.50K
San Martin Javier
1 Jul 2025
CHIEF MEDICAL OFFICER
Sell
10,842
$0.29
$3.18K
Litton Mark James
1 Jul 2025
President and CEO
Sell
25,123
$0.29
$7.37K
CHURCH KEVIN
1 Jul 2025
CHIEF SCIENTIFIC OFFICER
Sell
8,526
$0.29
$2.50K
Worthington Mark
2 Jan 2025
General Counsel and CCO
Sell
8,510
$0.56
$4.78K
Renninger Robert
2 Jan 2025
VP of Finance
Sell
2,881
$0.56
$1.62K
CHURCH KEVIN
2 Jan 2025
CHIEF SCIENTIFIC OFFICER
Sell
8,510
$0.56
$4.78K
Litton Mark James
2 Jan 2025
President and CEO
Sell
25,107
$0.56
$14.11K
San Martin Javier
2 Jan 2025
CHIEF MEDICAL OFFICER
Sell
10,826
$0.56
$6.08K
Litton Mark James
5 Sep 2024
President and CEO
Sell
5,032
$0.57
$2.85K
Worthington Mark
5 Sep 2024
GENERAL COUNSEL
Sell
2,525
$0.57
$1.43K
CHURCH KEVIN
5 Sep 2024
CHIEF SCIENTIFIC OFFICER
Sell
2,525
$0.57
$1.43K
Lenington Rachel
5 Sep 2024
COO and CDO
Sell
2,525
$0.57
$1.43K
Gengos Andrew
5 Sep 2024
CFO and Chief Business Officer
Sell
1,272
$0.57
$719.95
Lenington Rachel
5 Jan 2024
Chief Operating Officer
Sell
2,412
$2.91
$7.02K
Worthington Mark
5 Jan 2024
General Counsel
Sell
2,412
$2.91
$7.02K
Litton Mark James
5 Jan 2024
Chief Executive Officer
Sell
4,820
$2.91
$14.03K
CHURCH KEVIN
5 Jan 2023
Chief Scientific Officer
Sell
2,412
$2.91
$7.02K
Gengos Andrew
5 Jan 2023
See Below
Sell
1,208
$2.91
$3.52K
CHURCH KEVIN
23 Jun 2022
Executive VP, Research
Sell
2,614
$2.69
$7.03K
Lenington Rachel
23 Jun 2022
Chief Operating Officer
Sell
4,193
$2.69
$11.28K
Litton Mark James
23 Jun 2022
Chief Executive Officer
Sell
7,960
$2.69
$21.41K
MILESON GLENNA
23 Jun 2022
Chief Financial Officer
Sell
2,614
$2.69
$7.03K
Worthington Mark
23 Jun 2022
General Counsel
Sell
2,614
$2.69
$7.03K

What was left out

Form 4 filings counted 175
Amendments (4/A) skipped 8
Filings about a different issuer 0
Unreadable filings 0
Joint filings 10
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 35
Transactions with no price 0
Shares from compensation/vesting 7,251,452
Sales filed before the plan box existed 5
History held since 22 Sep 2020