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Zentalis Pharmaceuticals, Inc.

ZNTL
Healthcare|Biotechnology|US
$1.72
+0.01 (+0.58%)
Tangible Book / Share
$2.04
Cash / Share
$2.49

Ownership Breakdown

68.2%
Float
71.2M
Shares Outstanding
48.6M
Float Shares

Major Holders (30)

Combined: 141.6%

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
Walters William TIndividual18.80%17,844,973Aug 19, 202613D/G
Walters GroupPartnership18.80%17,844,973Aug 19, 202613D/G
Walters, Susan B.Individual18.80%17,844,973Aug 19, 202613D/G
Kush ParmarIndividual6.40%4,838,571Dec 30, 202513D/G
Andrew J. SchwabIndividual6.40%4,838,571Dec 30, 202513D/G
Finny Kuruvilla, M.D., Ph. D.HC, IN6.28%4,475,054Feb 14, 202513D/G
5AM Opportunities II, L.P.Partnership5.20%3,947,913Dec 30, 202513D/G
5AM Opportunities II (GP), LLCOther5.20%3,947,913Dec 30, 202513D/G
Squadron Capital Management LLCIA, HC5.10%3,676,900Mar 3, 202613D/G
William BlankHC, IN5.10%3,676,900Mar 3, 202613D/G
Matthew SesterhennHC, IN5.10%3,676,900Mar 3, 202613D/G
Squadron Master Fund LPPartnership5.10%3,676,900Mar 3, 202613D/G
The Vanguard GroupInvestment adviser4.59%3,271,240Jan 31, 202513D/G
BlackRock, Inc.Holding company4.10%3,871,884Oct 27, 202613D/G
Kenneth GriffinHC, IN3.90%2,737,221Nov 14, 202413D/G
Citadel Advisors Holdings LPHC, PN3.70%2,630,035Nov 14, 202413D/G
Citadel GP LLCHC, OO3.70%2,630,035Nov 14, 202413D/G
Citadel Advisors LLCIA, HC, OO3.70%2,630,035Nov 14, 202413D/G
Barclays PLCHolding company3.17%2,263,328Aug 13, 202613D/G
Israel A. EnglanderIndividual1.30%902,521Oct 14, 202513D/G
Millennium Management LLCOther1.30%902,521Oct 14, 202513D/G
Millennium Group Management LLCOther1.30%902,521Oct 14, 202513D/G
5AM Opportunities Master Fund L.P.Partnership1.20%890,658Dec 30, 202513D/G
5AM Opportunities (GP), LLCOther1.20%890,658Dec 30, 202513D/G
Anna YaegerIndividual1.20%890,658Dec 30, 202513D/G
FMR LLCHolding company0.20%175,863Dec 6, 202413D/G
Abigail P. JohnsonIndividual0.20%175,863Dec 6, 202413D/G
Citadel Securities LLCBD, OO0.20%107,186Nov 14, 202413D/G
Citadel Securities GP LLCHC, OO0.20%107,186Nov 14, 202413D/G
Citadel Securities Group LPHC, PN0.20%107,186Nov 14, 202413D/G

Insider Trades (100)

Last 4 quarters: 12,944,400 acquired · 7,555,372 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Bruns IngmarChief Medical OfficerSep 30, 2026AWARD9,727$2.18$21.2KForm 4
WALTERS GROUP10 percent ownerAug 14, 2026BUY4,335,000$3.50$15.2MForm 4
Johnson David MichaeldirectorJun 16, 2026AWARD57,100——Form 4
Skvarka JandirectorJun 16, 2026AWARD57,100——Form 4
Walker Luke NathanieldirectorJun 16, 2026AWARD57,100——Form 4
Kariuki EnochdirectorJun 16, 2026AWARD57,100——Form 4
Myers Scott DunsethdirectorJun 16, 2026AWARD57,100——Form 4
Campbell ShannondirectorMay 26, 2026AWARD114,200——Form 4
Campbell Shannondirector: May 22, 2026OTHER0——Form 4
Bruns IngmarChief Medical OfficerFeb 6, 2026SELL2,962$2.43$7.2KForm 4
Bruns IngmarChief Medical OfficerFeb 9, 2026SELL335$2.39$801.62Form 4
Vultaggio VincentPAO and PFOFeb 6, 2026SELL29,951$2.43$72.8KForm 4
Vultaggio VincentPAO and PFOFeb 9, 2026SELL3,379$2.39$8.1KForm 4
Vultaggio VincentPAO and PFOFeb 10, 2026SELL6,894$2.42$16.7KForm 4
EASTLAND JULIA MARIEdirector, officer: CEO & PresidentFeb 6, 2026SELL7,866$2.43$19.1KForm 4
EASTLAND JULIA MARIEdirector, officer: CEO & PresidentFeb 9, 2026SELL889$2.39$2.1KForm 4
Vultaggio VincentPAO and PFOFeb 2, 2026SELL2,540$2.55$6.5KForm 4
Vultaggio VincentPAO and PFOFeb 3, 2026SELL556$2.52$1.4KForm 4
Vultaggio VincentPAO and PFOJan 8, 2026AWARD100,000$2.84$284.0KForm 4
Bucher James BChief Legal OfficerJan 8, 2026AWARD100,000$2.84$284.0KForm 4
Bruns IngmarChief Medical OfficerJan 8, 2026AWARD365,000$2.84$1.0MForm 4
EASTLAND JULIA MARIEdirector, officer: CEO & PresidentJan 8, 2026AWARD775,000$2.84$2.2MForm 4
WALTERS GROUP10 percent ownerDec 31, 2025BUY6,459,973$1.20$7.8MForm 4
WALTERS GROUP10 percent ownerDec 15, 2025OTHER0——Form 4
Matrix Capital Management Company, LP10 percent ownerDec 15, 2025SELL7,500,000$1.33$10.0MForm 4
Bucher James BChief Legal OfficerOct 1, 2025AWARD400,000$1.54$616.0KForm 4
Bucher James BofficerSep 18, 2025OTHER0——Form 4
Walker Luke NathanieldirectorJun 17, 2025AWARD57,603——Form 4
Skvarka JandirectorJun 17, 2025AWARD57,603——Form 4
Johnson David MichaeldirectorJun 17, 2025AWARD57,603——Form 4
Kariuki EnochdirectorJun 17, 2025AWARD57,603——Form 4
Myers Scott DunsethdirectorJun 17, 2025AWARD57,603——Form 4
Myers Scott DunsethdirectorApr 30, 2025BUY21,000$1.40$29.4KForm 4
Bruns IngmarChief Medical OfficerFeb 6, 2025BUY20,000$2.28$45.7KForm 4
Vultaggio VincentPAO and Interim PFOFeb 3, 2025AWARD158,586——Form 4
Vultaggio VincentPAO and Interim PFOFeb 3, 2025SELL2,615$1.71$4.5KForm 4
Vultaggio VincentPAO and Interim PFOFeb 3, 2025AWARD35,633$1.68$59.9KForm 4
Lackner MarkChief Scientific OfficerFeb 3, 2025AWARD335,907——Form 4
Lackner MarkChief Scientific OfficerFeb 3, 2025SELL14,368$1.71$24.6KForm 4
Lackner MarkChief Scientific OfficerFeb 3, 2025AWARD124,714$1.68$209.5KForm 4
Paul AndreaChief Legal OfficerFeb 3, 2025AWARD934,041——Form 4
Paul AndreaChief Legal OfficerFeb 3, 2025SELL13,230$1.71$22.6KForm 4
Paul AndreaChief Legal OfficerFeb 3, 2025AWARD124,714$1.68$209.5KForm 4
Bruns IngmarChief Medical OfficerFeb 3, 2025AWARD16,629$1.68$27.9KForm 4
Bruns IngmarChief Medical OfficerFeb 3, 2025AWARD16,629——Form 4
EASTLAND JULIA MARIEdirector, officer: CEO & PresidentFeb 3, 2025AWARD59,388——Form 4
EASTLAND JULIA MARIEdirector, officer: CEO & PresidentFeb 3, 2025AWARD59,388$1.68$99.8KForm 4
Skvarka JandirectorJan 31, 2025BUY60,000$1.72$103.4KForm 4
Walker Luke NathanieldirectorJan 31, 2025BUY14,200$1.76$25.0KForm 4
EASTLAND JULIA MARIEdirector, officer: CEO & PresidentJan 31, 2025BUY28,500$1.73$49.3KForm 4
Lackner MarkChief Scientific OfficerJan 2, 2025SELL4,411$3.12$13.8KForm 4
Bruns IngmarChief Medical OfficerDec 2, 2024AWARD712,650$3.66$2.6MForm 4
EASTLAND JULIA MARIEdirector, officer: CEO & PresidentDec 2, 2024AWARD3,028,800$3.66$11.1MForm 4
Myers Scott DunsethdirectorNov 13, 2024AWARD260,192——Form 4
Bruns IngmarofficerNov 13, 2024OTHER0——Form 4
EASTLAND JULIA MARIEdirector, officer: CEO & PresidentNov 13, 2024OTHER0——Form 4
Myers Scott Dunsethdirector: Nov 13, 2024OTHER0——Form 4
Vultaggio VincentPrincipal Accounting OfficerOct 4, 2024SELL1,603$3.18$5.1KForm 4
Skvarka JandirectorJun 21, 2024AWARD41,581——Form 4
Kariuki EnochdirectorJun 21, 2024AWARD41,581——Form 4
Johnson David MichaeldirectorJun 21, 2024AWARD48,429——Form 4
Gallagher Camdirector, officer: President, Interim CFOMay 31, 2024SELL9,597$11.98$115.0KForm 4
Walker Luke NathanieldirectorMay 24, 2024AWARD72,481——Form 4
Walker Luke Nathanieldirector: May 24, 2024OTHER0——Form 4
HAUSMAN DIANAChief Medical OfficerMay 9, 2024SELL3,356$12.62$42.4KForm 4
Vultaggio VincentPrincipal Accounting OfficerApr 5, 2024DISPOSED0——Form 4
Vultaggio VincentPrincipal Accounting OfficerApr 5, 2024DISPOSED12,500$18.00$225.0KForm 4
Vultaggio VincentPrincipal Accounting OfficerApr 5, 2024DISPOSED10,000$42.04$420.4KForm 4
Vultaggio VincentPrincipal Accounting OfficerApr 5, 2024DISPOSED2,750$47.66$131.1KForm 4
Vultaggio VincentPrincipal Accounting OfficerApr 5, 2024DISPOSED25,000$11.69$292.3KForm 4
Vultaggio VincentPrincipal Accounting OfficerApr 5, 2024DISPOSED17,500$23.65$413.9KForm 4
Vultaggio VincentPrincipal Accounting OfficerApr 5, 2024DISPOSED6,875$52.61$361.7KForm 4
Epperly Melissa B,Chief Financial OfficerFeb 12, 2024SELL2,573$11.44$29.4KForm 4
Gallagher Camdirector, officer: PresidentFeb 12, 2024SELL1,173$11.44$13.4KForm 4
HAUSMAN DIANAChief Medical OfficerFeb 1, 2024AWARD337,500——Form 4
HAUSMAN DIANAChief Medical OfficerFeb 1, 2024AWARD337,500$11.69$3.9MForm 4
Lackner MarkChief Scientific OfficerFeb 1, 2024AWARD141,000——Form 4
Lackner MarkChief Scientific OfficerFeb 2, 2024SELL1,585$11.54$18.3KForm 4
Lackner MarkChief Scientific OfficerFeb 1, 2024AWARD141,000$11.69$1.6MForm 4
Paul AndreaChief Legal OfficerFeb 1, 2024AWARD112,500——Form 4
Paul AndreaChief Legal OfficerFeb 2, 2024SELL3,310$11.54$38.2KForm 4
Paul AndreaChief Legal OfficerFeb 1, 2024AWARD112,500$11.69$1.3MForm 4
Paul AndreaChief Legal OfficerFeb 1, 2024AWARD90,000$11.69$1.1MForm 4
Gallagher Camdirector, officer: PresidentFeb 1, 2024AWARD192,500——Form 4
Gallagher Camdirector, officer: PresidentFeb 2, 2024SELL11,552$11.54$133.3KForm 4
Gallagher Camdirector, officer: PresidentFeb 1, 2024AWARD192,500$11.69$2.3MForm 4
Epperly Melissa B,Chief Financial OfficerFeb 1, 2024AWARD75,000——Form 4
Epperly Melissa B,Chief Financial OfficerFeb 2, 2024SELL8,669$11.54$100.0KForm 4
Epperly Melissa B,Chief Financial OfficerFeb 1, 2024AWARD75,000$11.69$876.8KForm 4
Blackwell Kimberlydirector, officer: Chief Executive OfficerFeb 1, 2024AWARD250,000——Form 4
Blackwell Kimberlydirector, officer: Chief Executive OfficerFeb 1, 2024TAX W/H20,655$11.69$241.5KForm 4
Blackwell Kimberlydirector, officer: Chief Executive OfficerFeb 1, 2024AWARD250,000$11.69$2.9MForm 4
Lackner MarkChief Scientific OfficerJan 2, 2024AWARD60,000$15.99$959.4KForm 4
Lackner MarkChief Scientific OfficerJan 2, 2024AWARD40,000——Form 4
Lackner MarkChief Scientific OfficerDec 31, 2023DISPOSED0——Form 4
Lackner MarkChief Scientific OfficerDec 31, 2023DISPOSED23,687$23.65$560.2KForm 4
Lackner MarkChief Scientific OfficerDec 31, 2023DISPOSED215,000$25.60$5.5MForm 4
Bunker Kevin D.Chief Scientific OfficerDec 20, 2023GIFT24,158——Form 4
Johnson David MichaeldirectorNov 10, 2023BUY17,000$9.88$167.9KForm 4
Blackwell Kimberlydirector, officer: Chief Executive OfficerNov 13, 2023BUY5,000$10.29$51.4KForm 4