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LeonaBio, Inc.

LONA
Healthcare|Biotechnology|US
$4.42
+0.07 (+1.73%)
DCF Value
$15.07
Tangible Book / Share
$7.86
Cash / Share
$11.94

Ownership Breakdown

68.0%
Float
3.9M
Shares Outstanding
2.7M
Float Shares

Major Holders (21)

Combined: 198.0%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
Portman David J.Individual25.10%3,149,470Oct 28, 202613D/G
Sermonix Pharmaceuticals, Inc.Corporation25.10%3,149,470Oct 28, 202613D/G
Joseph EdelmanIndividual19.99%1,889,403Oct 26, 202613D/G
Perceptive Advisors LLCInvestment adviser19.99%1,889,403Oct 26, 202613D/G
Perceptive Life Sciences Master Fund, Ltd.Corporation16.50%1,559,647Oct 26, 202613D/G
Anders HoveIndividual12.10%1,492,521Aug 20, 202613D/G
Leonard Braden MichaelPN, IN7.80%3,027,163Feb 14, 202513D/G
Daniel SchneebergerHC, IN7.70%727,481May 15, 202613D/G
ADAR1 Capital Management, LLCIA, OO7.70%727,481May 15, 202613D/G
BML Investment Partners, L.P.Partnership7.20%2,775,885Feb 14, 202513D/G
Acorn Capital Advisors GP 2, LLCOther7.00%663,763Aug 20, 202613D/G
Acorn Bioventures 2, L.P.Partnership7.00%663,763Aug 20, 202613D/G
Acorn Capital Advisors GP, LLCOther5.10%480,653Aug 20, 202613D/G
Acorn Bioventures, L.P.Partnership5.10%480,653Aug 20, 202613D/G
Dr. Jeffrey R. Jay, M.D.HC, IN5.03%474,345Nov 4, 202613D/G
Great Point Partners, LLCIA, OO5.03%474,345Nov 4, 202613D/G
Ms. Lillian NordahlHC, IN5.03%474,345Nov 4, 202613D/G
Perceptive Xontogeny Venture Fund II, LPPartnership3.80%359,837Oct 26, 202613D/G
Baselake Partners, LPPartnership1.90%75,789Feb 6, 202613D/G
Baselake Management, LLCIA, OO1.90%75,789Feb 6, 202613D/G
David PaolellaHC, IN1.90%75,789Feb 6, 202613D/G

Insider Trades (100)

Last 4 quarters: 25,368,755 acquired · 6,365,023 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Portman David J.10 percent ownerOct 26, 2026BUY3,149,470$3149.47$9.92BForm 4
Portman David J.10 percent ownerOct 26, 2026BUY5,502,402$0.00$5.5KForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Oct 26, 2026OPTION EX.776,648$0.00$776.65Form 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Oct 26, 2026OPTION EX.776,648$0.00$776.65Form 4
Portman David J.10 percent ownerOct 26, 2026OTHER5,502,402$0.00$5.5KForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Apr 9, 2026AWARD28,000$9.54$267.1KForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Jun 23, 2026AWARD28,000$8.35$233.8KForm 4
Callori FreddirectorJun 23, 2026AWARD2,333$8.35$19.5KForm 4
Holles Natalie C.directorJun 23, 2026AWARD2,333$8.35$19.5KForm 4
Silverman Peter B.directorJun 23, 2026AWARD2,333$8.35$19.5KForm 4
Panzara Michael A.directorJun 23, 2026AWARD28,000$8.35$233.8KForm 4
Romano Kelly AdirectorJun 23, 2026AWARD28,000$8.35$233.8KForm 4
EDELMAN JOSEPHdirectorJun 23, 2026AWARD28,000$8.35$233.8KForm 4
JOHNSON JAMES AdirectorJun 23, 2026AWARD28,000$8.35$233.8KForm 4
Kosacz BarbaradirectorJun 23, 2026AWARD28,000$8.35$233.8KForm 4
PICKERING GRANTdirectorJun 23, 2026AWARD28,000$8.35$233.8KForm 4
Holles Natalie C.directorMay 5, 2026AWARD56,000$9.63$539.3KForm 4
Silverman Peter B.directorMay 5, 2026AWARD56,000$9.63$539.3KForm 4
Callori FreddirectorMay 5, 2026AWARD56,000$9.63$539.3KForm 4
Silverman Peter B.May 5, 2026OTHER0——Form 4
Holles Natalie C.May 5, 2026OTHER0——Form 4
Callori FredMay 5, 2026OTHER0——Form 4
Panzara Michael A.directorApr 9, 2026AWARD28,000$9.54$267.1KForm 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERApr 9, 2026AWARD300,000$9.54$2.9MForm 4
Kosacz BarbaradirectorApr 9, 2026AWARD28,000$9.54$267.1KForm 4
PICKERING GRANTdirectorApr 9, 2026AWARD28,000$9.54$267.1KForm 4
Romano Kelly AdirectorApr 9, 2026AWARD28,000$9.54$267.1KForm 4
JOHNSON JAMES AdirectorApr 9, 2026AWARD28,000$9.54$267.1KForm 4
EDELMAN JOSEPHdirectorApr 9, 2026AWARD28,000$9.54$267.1KForm 4
San Martin JavierCHIEF MEDICAL OFFICERApr 9, 2026AWARD350,000$9.54$3.3MForm 4
FLUKE JOHN M JRdirectorApr 9, 2026AWARD28,000$9.54$267.1KForm 4
Worthington MarkGENERAL COUNSEL and CCOApr 9, 2026AWARD300,000$9.54$2.9MForm 4
Renninger RobertCHIEF FINANCIAL OFFICERApr 9, 2026AWARD300,000$9.54$2.9MForm 4
Litton Mark Jamesdirector, officer: PRESIDENT and CEOApr 9, 2026AWARD750,000$9.54$7.2MForm 4
Litton Mark Jamesdirector, officer: PRESIDENT and CEOMar 3, 2026OPTION EX.22,254——Form 4
Litton Mark Jamesdirector, officer: PRESIDENT and CEOMar 4, 2026SELL5,156$5.37$27.7KForm 4
Litton Mark Jamesdirector, officer: PRESIDENT and CEOMar 3, 2026OPTION EX.22,254——Form 4
Renninger RobertCHIEF FINANCIAL OFFICERMar 3, 2026OPTION EX.3,900——Form 4
Renninger RobertCHIEF FINANCIAL OFFICERMar 4, 2026SELL906$5.37$4.9KForm 4
Renninger RobertCHIEF FINANCIAL OFFICERMar 3, 2026OPTION EX.3,900——Form 4
Worthington MarkGENERAL COUNSEL and CCOMar 3, 2026OPTION EX.5,726——Form 4
Worthington MarkGENERAL COUNSEL and CCOMar 4, 2026SELL1,328$5.37$7.1KForm 4
Worthington MarkGENERAL COUNSEL and CCOMar 3, 2026OPTION EX.5,726——Form 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERMar 3, 2026OPTION EX.5,856——Form 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERMar 4, 2026SELL1,359$5.37$7.3KForm 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERMar 3, 2026OPTION EX.5,856——Form 4
San Martin JavierCHIEF MEDICAL OFFICERMar 3, 2026OPTION EX.7,418——Form 4
San Martin JavierCHIEF MEDICAL OFFICERMar 4, 2026SELL1,720$5.37$9.2KForm 4
San Martin JavierCHIEF MEDICAL OFFICERMar 3, 2026OPTION EX.7,418——Form 4
San Martin JavierCHIEF MEDICAL OFFICERDec 31, 2025OPTION EX.4,667——Form 4
San Martin JavierCHIEF MEDICAL OFFICERJan 2, 2026SELL1,644$6.88$11.3KForm 4
San Martin JavierCHIEF MEDICAL OFFICERDec 31, 2025OPTION EX.4,667——Form 4
Litton Mark Jamesdirector, officer: President and CEODec 31, 2025OPTION EX.10,834——Form 4
Litton Mark Jamesdirector, officer: President and CEOJan 2, 2026SELL2,586$6.88$17.8KForm 4
Litton Mark Jamesdirector, officer: President and CEODec 31, 2025OPTION EX.10,834——Form 4
Renninger RobertChief Financial OfficerDec 31, 2025OPTION EX.1,236——Form 4
Renninger RobertChief Financial OfficerJan 2, 2026SELL297$6.88$2.0KForm 4
Renninger RobertChief Financial OfficerNov 18, 2025AWARD1,000$2.31$2.3KForm 4
Renninger RobertChief Financial OfficerDec 31, 2025OPTION EX.1,236——Form 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERDec 31, 2025OPTION EX.3,667——Form 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERJan 2, 2026SELL876$6.88$6.0KForm 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERNov 18, 2025AWARD1,000$2.31$2.3KForm 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERDec 31, 2025OPTION EX.3,667——Form 4
Worthington MarkGeneral Counsel and CCODec 31, 2025OPTION EX.3,667——Form 4
Worthington MarkGeneral Counsel and CCOJan 2, 2026SELL876$6.88$6.0KForm 4
Worthington MarkGeneral Counsel and CCODec 31, 2025OPTION EX.3,667——Form 4
Renninger RobertChief Financial OfficerDec 24, 2025AWARD34,358$4.07$139.8KForm 4
Litton Mark Jamesdirector, officer: President and CEODec 24, 2025AWARD133,526$3.81$508.7KForm 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERDec 24, 2025AWARD35,138$4.07$143.0KForm 4
San Martin JavierCHIEF MEDICAL OFFICERDec 24, 2025AWARD44,508$4.07$181.1KForm 4
Worthington MarkGeneral Counsel and CCODec 24, 2025AWARD34,358$4.07$139.8KForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Dec 23, 2025AWARD5,502,402$0.00$5.5KForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Dec 23, 2025AWARD3,838,583$6.35$24.4MForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Dec 23, 2025AWARD3,543,307$7.62$27.0MForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Dec 23, 2025AWARD989,270$6.35$6.3MForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Dec 23, 2025AWARD1,372,935$0.00$1.4KForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Dec 23, 2025AWARD1,279,526$6.35$8.1MForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Dec 23, 2025AWARD1,181,101$7.62$9.0MForm 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Dec 23, 2025AWARD457,645$0.00$457.64Form 4
PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Dec 23, 2025AWARD329,756$6.35$2.1MForm 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERJun 30, 2025OPTION EX.36,666——Form 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERJul 1, 2025SELL8,526$0.29$2.5KForm 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERMay 19, 2025AWARD10,000$0.23$2.3KForm 4
CHURCH KEVINCHIEF SCIENTIFIC OFFICERJun 30, 2025OPTION EX.36,666——Form 4
Litton Mark Jamesdirector, officer: President and CEOJun 30, 2025OPTION EX.108,334——Form 4
Litton Mark Jamesdirector, officer: President and CEOJul 1, 2025SELL25,123$0.29$7.4KForm 4
Litton Mark Jamesdirector, officer: President and CEOJun 30, 2025OPTION EX.108,334——Form 4
San Martin JavierCHIEF MEDICAL OFFICERJun 30, 2025OPTION EX.46,666——Form 4
San Martin JavierCHIEF MEDICAL OFFICERJul 1, 2025SELL10,842$0.29$3.2KForm 4
San Martin JavierCHIEF MEDICAL OFFICERJun 30, 2025OPTION EX.46,666——Form 4
Worthington MarkGeneral Counsel and CCOJun 30, 2025OPTION EX.36,666——Form 4
Worthington MarkGeneral Counsel and CCOJul 1, 2025SELL8,526$0.29$2.5KForm 4
Worthington MarkGeneral Counsel and CCOJun 30, 2025OPTION EX.36,666——Form 4
Renninger RobertSVP, Finance and AccountingJun 30, 2025OPTION EX.12,359——Form 4
Renninger RobertSVP, Finance and AccountingJul 1, 2025SELL2,897$0.29$850.27Form 4
Renninger RobertSVP, Finance and AccountingMay 19, 2025AWARD10,000$0.23$2.3KForm 4
Renninger RobertSVP, Finance and AccountingJun 30, 2025OPTION EX.12,359——Form 4
FLUKE JOHN M JRdirectorMay 30, 2025AWARD20,900$0.31$6.5KForm 4
Panzara Michael A.directorMay 30, 2025AWARD20,900$0.31$6.5KForm 4
Romano Kelly AdirectorMay 30, 2025AWARD20,900$0.31$6.5KForm 4