SCHEDULE 13D/A Filed 2026-06-30 Event 2026-06-30 SEC 0000930413-26-002004 →

TRIAN FUND MANAGEMENT, L.P. → JANUS HENDERSON GROUP PLC

Stake: — Shares: 0 Class: Ordinary Shares, $1.50 per share par value

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

14 transactions

2 buys · 10 sales · 0 awards/exercises

Issuer Cluster

21 13D/G filings on this issuer

20 other filings besides this one

Filer Track Record

25 filings by this filer

24 other filings in the data moat

Short Interest

—

Not in latest FINRA snapshot

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $47.43M

Soros Fund Management

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-06-30	Sheehan Anne	director	Disposition	16,264.982	$52.00	$846K
2026-06-30	CASSADAY JOHN M	director	Disposition	23,504	$52.00	$1.22M
2026-06-30	CASSADAY JOHN M	director	J	5,793	—	—
2026-06-30	CASSADAY JOHN M	director	J	14,900	—	—
2026-06-30	Dibadj Ali	director, officer	Disposition	130,819	$52.00	$6.80M
2026-06-30	Dibadj Ali	director, officer	Disposition	160,420	—	—
2026-06-30	Dibadj Ali	director, officer	Disposition	196,336	—	—
2026-06-30	Dibadj Ali	director, officer	Award	769,541	—	—
2026-06-30	Dibadj Ali	director, officer	Disposition	442,315	—	—
2026-06-30	Dibadj Ali	director, officer	Disposition	327,226	—	—
2026-06-30	FOGO GEORGINA	officer	Disposition	30,965.418	$52.00	$1.61M
2026-06-30	FOGO GEORGINA	officer	Disposition	30,431	—	—
2026-06-30	FOGO GEORGINA	officer	Award	25,191	—	—
2026-06-30	FOGO GEORGINA	officer	Disposition	25,191	—	—

Other 13D/G Filings on JANUS HENDERSON GROUP PLC

Filed	Form	Filer	Stake	Shares
2026-07-02	SCHEDULE 13D/A	MASSACHUSETTS MUTUAL LIFE INSURANCE CO	—	0	view →
2026-06-18	SCHEDULE 13D/A	TRIAN FUND MANAGEMENT, L.P.	16.65%	25,654,382	view →
2026-05-14	SCHEDULE 13D/A	TRIAN FUND MANAGEMENT, L.P.	—	25,654,382	view →
2022-03-31	SC	TRIAN FUND MANAGEMENT, L.P.	—	—	view →
2022-02-01	SC	TRIAN FUND MANAGEMENT, L.P.	—	—	view →
2022-01-06	SC	TRIAN FUND MANAGEMENT, L.P.	—	—	view →
2021-12-13	SC	TRIAN FUND MANAGEMENT, L.P.	—	—	view →
2021-11-16	SC	TRIAN FUND MANAGEMENT, L.P.	—	—	view →
2021-10-04	SC	TRIAN FUND MANAGEMENT, L.P.	—	—	view →
2021-07-19	SC	TRIAN FUND MANAGEMENT, L.P.	—	—	view →
2021-05-19	SC	TRIAN FUND MANAGEMENT, L.P.	—	—	view →
2021-05-12	SC	TRIAN FUND MANAGEMENT, L.P.	—	—	view →
2021-02-09	SC	Dai-ichi Life Holdings, Inc.	—	—	view →
2021-02-04	SC	Dai-ichi Life Holdings, Inc.	—	—	view →
2020-04-27	SC	Dai-ichi Life Holdings, Inc.	—	—	view →
2018-05-16	SC	Dai-ichi Life Holdings, Inc.	—	—	view →
2018-04-25	SC	Dai-ichi Life Holdings, Inc.	—	—	view →
2018-04-03	SC	Dai-ichi Life Holdings, Inc.	—	—	view →
2018-03-07	SC	Dai-ichi Life Holdings, Inc.	—	—	view →
2018-02-08	SC	Dai-ichi Life Holdings, Inc.	—	—	view →

Other Filings by TRIAN FUND MANAGEMENT, L.P.

Filed	Form	Issuer	Stake	Shares
2026-06-18	SCHEDULE 13D/A	JANUS HENDERSON GROUP PLC	16.65%	25,654,382	view →
2026-05-14	SCHEDULE 13D/A	JANUS HENDERSON GROUP PLC	—	25,654,382	view →
2023-06-02	SC	Invesco Ltd. IVZ	—	—	view →
2023-01-25	SC	Invesco Ltd. IVZ	—	—	view →
2022-05-24	SC	Wendy's Co WEN	—	—	view →
2022-04-01	SC	Invesco Ltd. IVZ	—	—	view →
2022-03-31	SC	JANUS HENDERSON GROUP PLC JHG	—	—	view →
2022-02-01	SC	Invesco Ltd. IVZ	—	—	view →
2022-02-01	SC	JANUS HENDERSON GROUP PLC JHG	—	—	view →
2022-01-06	SC	JANUS HENDERSON GROUP PLC JHG	—	—	view →
2021-12-13	SC	JANUS HENDERSON GROUP PLC JHG	—	—	view →
2021-11-16	SC	JANUS HENDERSON GROUP PLC JHG	—	—	view →
2021-10-04	SC	JANUS HENDERSON GROUP PLC JHG	—	—	view →
2021-07-19	SC	JANUS HENDERSON GROUP PLC JHG	—	—	view →
2021-05-19	SC	JANUS HENDERSON GROUP PLC JHG	—	—	view →
2021-05-12	SC	JANUS HENDERSON GROUP PLC JHG	—	—	view →
2020-08-12	SC	nVent Electric plc NVT	—	—	view →
2020-07-02	SC	nVent Electric plc NVT	—	—	view →
2019-05-17	SC	nVent Electric plc NVT	—	—	view →
2019-03-20	SC	SYSCO CORP SYY	—	—	view →

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