SEC ownership of PALATIN TECHNOLOGIES INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000911216.

Comparable stake leader

JANUS HENDERSON GROUP PLC

Disclosed value leader

Logos Global Management LP

Comparable rows

29/37

Latest evidence

13 Apr 2026

Top shareholders Insider holders Latest transactions

Public ticker: PTN on NYSE
Parsed ownership sources: 13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder: JANUS HENDERSON GROUP PLC
Ranking: Comparable ownership first, then disclosed value
Comparable ownership rows: 29 of 37
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder: JANUS HENDERSON GROUP PLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date: 13 Apr 2026
Freshness: Most recent filing date in this holder set
Issuer CIK: 0000911216
Issuer location: Cranbury, NJ

Ownership snapshot

Top shareholders of PALATIN TECHNOLOGIES INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

JANUS HENDERSON GROUP PLC

Disclosed value leader

Logos Global Management LP

Comparable rows

29/37

Latest evidence

13 Apr 2026

13F 13D/G 3/4/5 Lead comparable stake: 10% 8 rows are not safely comparable across share classes. 13D/G row: JANUS HENDERSON GROUP PLC Showing 1-8 of 37 holder rows.

Quick read

JANUS HENDERSON GROUP PLC leads the comparable SEC ownership view at 10%.

29 of 37 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens JANUS HENDERSON GROUP PLC's linked filing trail.

Comparable ownership Top 5

JANUS HENDERSON GROUP PLC 10%

Logos Global Management LP 9.9%

Sirenia Capital Management LP 9.9%

DRIEHAUS CAPITAL MANAGEMENT LLC 9.8%

AuGC Partners LLC 5.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 37 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
JANUS HENDERSON GROUP PLC	13F 13D/G Company 13F 13D/G	10% from 13D/G	$2,438,800 140,000 shares	—	31 Mar 2026
Logos Global Management LP	13D/G 13F Company 13D/G 13F	9.9%	$3,173,262 182,162 shares	+$694,535	31 Mar 2026
Sirenia Capital Management LP	13D/G 13D/G	9.9%	$392,190 2,307,000 shares	$0	31 Mar 2026
DRIEHAUS CAPITAL MANAGEMENT LLC	13F 13D/G Company 13F 13D/G	9.8% from 13D/G	$2,904,140 166,713 shares	—	31 Mar 2026
AuGC Partners LLC	13D/G AuGC BioFund LP 13D/G	5.3%	$16,016 94,212 shares	$0	13 Apr 2026
ARMISTICE CAPITAL, LLC	13D/G 13D/G	5%	$268,391 1,278,054 shares	-$150,102	31 Mar 2025
Point72 Asset Management, L.P.	13D/G 13D/G	0.5%	$1,462 8,600 shares	$0	31 Mar 2026
RA CAPITAL MANAGEMENT, L.P.	13F Company 13F	3.8%	$1,219,400 70,000 shares	—	31 Mar 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$9,461.

Buys

Insiders: 0

Sells

$9,461

Insiders: 1

Net

-$9,461

Shares: -565

Window

Last 12 months

4 rolling buckets

Buy value Sell value

Shares: 0 Shares: 565

Window (months)	Sell shares	Buy value	Sell value	Net value
0-3	0	$0	$0	$0
3-6	0	$0	$0	$0
6-9	565	$0	$9,461	-$9,461
9-12	0	$0	$0	$0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-8 of 8 reporting-owner rows connected to PALATIN TECHNOLOGIES INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows

Largest Forms 3/4/5 holder

Carl Spana

Net 12M change

-$9,461

Latest report

30 Dec 2025

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Carl Spana	President and CEO, Director	$1,376,380			Mixed	30 Dec 2025
Wills Stephen T.	Executive VP and CFO/COO	$1,352,840	-$9,461	-0.69%	Mixed	30 Dec 2025
Joseph Stanley Hull	Director	$89,498			Mixed	15 Jul 2024
Anthony M. Manning	Director	$76,389			Mixed	15 Jul 2024
Robert K. Deveer Jr.	Director	$14,055			Filing P/S	07 May 2025
John K. A. Prendergast	Director	$2,567			Mixed	09 Dec 2025
Alan W. Dunton	Director	$2,393			Mixed	09 Dec 2025
Arlene Morris	Director				Mixed	09 Dec 2025

Recent insider transactions for PALATIN TECHNOLOGIES INC

Showing up to 300 recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares owned	Date	Ownership
Wills Stephen T.	PTNT	Common Stock	Tax liability	-0.33%			-212	63,276	30 Dec 2025	Direct
Carl Spana	PTNT	Common Stock	Tax liability	-0.5%			-321	64,377	30 Dec 2025	Direct
Wills Stephen T.	PTNT	Common Stock	Sale	-0.88%	$9,461	$16.74	-565	63,488	24 Dec 2025	Direct
Wills Stephen T.	PTNT	Common Stock	Award	1.22%			770	64,053	09 Dec 2025	Direct
Wills Stephen T.	PTNT	Stock Option (Right to Buy)	Award	0.95%			1,155	122,913	09 Dec 2025	Direct
Arlene Morris	PTNT	Stock Option (Right to Buy)	Award	425.9%			4,800	5,927	09 Dec 2025	Direct
Carl Spana	PTNT	Common Stock	Award	1.39%			885	64,698	09 Dec 2025	Direct
Carl Spana	PTNT	Stock Option (Right to Buy)	Award	1.08%			1,326	123,939	09 Dec 2025	Direct
John K. A. Prendergast	PTNT	Common Stock	Award	20.8%			2,600	15,102	09 Dec 2025	Direct
John K. A. Prendergast	PTNT	Stock Option (Right to Buy)	Award	13.3%			3,200	27,281	09 Dec 2025	Direct
Alan W. Dunton	PTNT	Common Stock	Award	16.6%			2,000	14,081	09 Dec 2025	Direct
Alan W. Dunton	PTNT	Stock Option (Right to Buy)	Award	10.2%			2,400	25,999	09 Dec 2025	Direct
Wills Stephen T.	PTNT	Common Stock	Tax liability	-0.7%			-229	32,583	14 Nov 2025	Direct
Carl Spana	PTNT	Common Stock	Tax liability	-1.03%			-345	33,113	14 Nov 2025	Direct

^* marks a reported price that did not pass the local price check.