Every Form 4 that Janus Henderson (JHG) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow JHG and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full JHG filings page.
Baldwin Brian M reported disposition transactions in this Form 4 filing.
Janus Henderson Group Ltd. insiders linked to Trian Fund Management reported transactions tied to the closing of a cash merger at $52.00 per ordinary share. These are not open‑market trades but reflect how a large fund position was handled in the deal structure.
According to the filing, Trian-managed funds contributed 25,136,205 ordinary shares to Jupiter Topco LLC in exchange for equity interests of equivalent value immediately before the merger. A further 518,177 ordinary shares beneficially owned by the Trian funds were converted into the right to receive the cash merger consideration, and the reporting entities show zero shares remaining afterward. The reporting persons state they disclaim beneficial ownership beyond their pecuniary interests.
Janus Henderson Group Ltd. completed a merger in which Jupiter Merger Sub Limited combined with the company, leaving it as a wholly owned subsidiary of Jupiter Company Limited and retaining the Janus Henderson Group Ltd. name. At the effective time of the merger, each ordinary share was converted into the right to receive $52.00 in cash per share as merger consideration. Certain funds managed by Trian Fund Management, L.P. contributed 25,136,205 ordinary shares to Jupiter Topco LLC in exchange for equivalent-value equity interests, and an additional 518,177 ordinary shares were disposed of to the issuer at $52.00 per share. Following these transactions, the reporting persons’ Form 4 shows zero common shares held, and the footnotes state that they disclaim beneficial ownership except to the extent of their pecuniary interests.
Janus Henderson Group Ltd. chief accounting officer and general counsel Michelle Rosenberg reported several equity transactions tied to the closing of the company’s merger with Jupiter Company Limited. At the merger’s effective time, each ordinary share was converted into the right to receive $52.00 per share in cash.
Rosenberg disposed of common stock back to the issuer, including 13,842.02 shares at $52.00 per share and 129.589 shares held through a 401(k) plan at the same price, reflecting cash-out under the merger terms. She also received a grant of 65,629 common shares in a deemed acquisition related to performance-based awards and had 48,077 shares categorized as an “other” restructuring transaction.
Footnotes explain that unvested RSU and performance share awards were converted into replacement cash or equity-based awards of Jupiter Topco LLC, with performance goals for the unvested PSU awards deemed satisfied at 120% of target under the Merger Agreement.
Janus Henderson Group Ltd. director Leslie Seidman reported a disposition of common stock tied to the completion of a merger. On the effective date, 15,756 shares of common stock were converted into the right to receive $52.00 per share in cash under the Merger Agreement, representing an issuer disposition rather than an open-market trade. In addition, 3,288 outstanding restricted stock units were cancelled immediately prior to the merger and exchanged for a lump-sum cash payment based on the same $52.00 Merger Consideration plus accrued but unpaid dividend equivalents. Following these transactions, Seidman no longer holds Janus Henderson common shares in this account.
Janus Henderson Group Ltd. Chief Technology Officer William B. Cassidy reported multiple equity transactions tied to the company’s merger with Jupiter Company Limited. On June 30, 2026, he disposed of blocks of common stock back to the issuer, including 7,586 shares at $52.00 per share, in connection with the cash merger consideration.
On the same date, he was deemed to acquire 15,870 shares underlying outstanding and unvested performance restricted stock units, with performance goals treated as achieved at 120% of target under the merger agreement. Unvested RSU and PSU awards were converted into replacement cash- or equity-settled awards referencing Jupiter Topco LLC equity, preserving their value under the new ownership structure.
Janus Henderson Group Ltd. Chief Financial Officer Sukhdeep Singh Grewal disposed of his common stock in connection with the company’s merger with Jupiter Company Limited. Two issuer dispositions on June 30, 2026 covered an aggregate 52,320 shares of common stock.
Under the merger, each ordinary share was converted into the right to receive $52.00 in cash per share, without interest. In addition, each outstanding unvested restricted stock unit held by the CFO was converted into a replacement equity-based award tied to the value of equity interests in Jupiter Topco LLC, to be settled in cash or TopCo equity.
Janus Henderson Group Ltd. chief accounting officer Berg Crawford reported disposing of his common stock in connection with the company’s merger with Jupiter Company Limited. On the merger’s effective date, each ordinary share was converted into the right to receive $52.00 in cash, without interest.
The filing shows two issuer dispositions of common stock totaling 2,948.5 shares, including shares purchased under the Employee Stock Purchase Plan. Following these transactions, Crawford no longer directly holds Janus Henderson common stock, and his unvested restricted stock units were converted into new awards tied to equity of Jupiter Topco LLC.
Janus Henderson Group Ltd. Chief People Officer Megan Podzorov reported several equity changes tied to the company’s merger with Jupiter Company Limited. At the merger’s effective time, each ordinary share was converted into the right to receive $52.00 per share in cash.
Her unvested restricted stock units were converted into replacement awards whose value will now track equity in Jupiter Topco LLC and be settled in cash or TopCo equity. Unvested performance stock units were deemed earned at 120% of target and similarly converted into cash-based replacement awards, aligning her remaining incentives with the new private ownership structure.
Janus Henderson Group Ltd. director Eugene Flood Jr. reported a disposition of common stock tied to the company’s merger with Jupiter Company Limited. On June 30, 2026, he disposed of 23,833 shares of common stock at $52.00 per share in a transaction classified as a disposition to the issuer, leaving him with zero shares directly held after the transaction. The filing explains that, at the merger’s effective time, each ordinary share was converted into the right to receive $52.00 in cash. It also notes that 3,288 outstanding restricted stock units held by Flood were cancelled immediately before the effective time and exchanged for a lump-sum cash payment based on the same merger consideration plus accrued but unpaid dividend equivalents.
Janus Henderson Group Ltd. director Kalpana Desai reported a disposition of 33,638 shares of common stock to the issuer at $52.00 per share. This occurred at the closing of a merger in which Jupiter Merger Sub Limited merged into the issuer, which became a wholly owned subsidiary of Jupiter Company Limited.
Following the transaction, Desai reported holding 0 shares of common stock. A further 3,288 outstanding restricted stock units were cancelled immediately prior to the merger effective time and exchanged for a lump-sum cash payment based on the Merger Consideration of $52.00 per share plus accrued but unpaid dividend equivalents.
Janus Henderson Group Ltd. director Angela Seymour Jackson reported a disposition of 28,786 shares of Common Stock at $52.00 per share in connection with the completion of a merger. The shares were converted into the right to receive cash consideration when Jupiter Merger Sub Limited merged with the issuer and the company became a wholly owned subsidiary of Jupiter Company Limited. Following this transaction, the filing shows no Common Stock held directly. The filing also notes 3,288 outstanding restricted stock units that were cancelled immediately before the merger’s effective time and exchanged for a lump-sum cash payment based on the same $52.00 per-share merger consideration plus accrued but unpaid dividend equivalents.
Janus Henderson Group Ltd. director Kevin B. Dolan reported a disposition of 27,017 shares of common stock at $52.00 per share. This reflects the closing of a merger in which Jupiter Merger Sub Limited combined with the company, which became a wholly owned subsidiary of Jupiter Company Limited and changed its name to Janus Henderson Group Ltd.
At the merger’s effective time, each ordinary share (other than specified exceptions) was converted into the right to receive $52.00 in cash. The filing also notes 3,288 restricted stock units held by Dolan were cancelled immediately before the effective time and exchanged for a cash payment based on the same merger consideration plus accrued but unpaid dividend equivalents, leaving him with zero reported common shares afterward.
Janus Henderson Group Ltd. director Alison A. Quirk reported transactions tied to the company’s cash merger with Jupiter Company Limited. At the merger’s effective time, each ordinary share was converted into the right to receive $52.00 per share in cash.
Quirk disposed of 6,244 common shares to the issuer at $52.00 per share, reflecting the merger consideration. Immediately prior to the effective time, she also contributed 9,664 ordinary shares to Jupiter Topco LLC in exchange for equity interests of equivalent value, leaving her with no directly held Janus Henderson common stock.
In addition, 3,288 restricted stock units were cancelled and exchanged for a lump-sum cash payment based on the $52.00 merger consideration plus any accrued but unpaid dividend equivalent rights, aligning her equity awards with the cash-out structure of the merger.
Janus Henderson Group Ltd. director Anne Sheehan reported a disposition of common stock connected to the company’s merger with Jupiter Company Limited. On the merger’s effective date, 16,264.982 shares of common stock were transferred to the issuer at $52.00 per share as part of the cash merger consideration, leaving her with no directly held common shares after the transaction.
The footnotes explain that, at the effective time of the merger, each ordinary share of the issuer was converted into the right to receive $52.00 in cash, without interest. They also note that 3,288 outstanding restricted stock units held by Sheehan were cancelled immediately prior to the effective time and exchanged for a lump-sum cash payment based on the same merger price plus any accrued but unpaid dividend equivalent rights.
CASSADAY JOHN M reported disposition transactions in this Form 4 filing.
Janus Henderson Group Ltd. director John M. Cassaday reported transactions in connection with the company’s merger with Jupiter Company Limited. At the merger’s effective time, each ordinary share was converted into the right to receive $52.00 per share in cash.
Cassaday’s 23,504 restricted stock units, including dividend equivalents, were cancelled and exchanged for a lump-sum cash payment based on the $52.00 merger consideration plus accrued dividend equivalents. Immediately prior to the effective time, he contributed 5,793 ordinary shares and Sundance Investments Inc. contributed 14,900 ordinary shares to Jupiter Topco LLC in exchange for equivalent-value equity interests, resulting in no remaining reported holdings of the issuer’s common stock.
Janus Henderson Group Ltd. CEO Ali Dibadj reported equity changes tied to the closing of a cash merger with Jupiter Company Limited. At the merger’s effective time, each ordinary share was converted into the right to receive $52.00 per share in cash, without interest, under the Merger Agreement.
The filing shows several code “D” dispositions of common stock back to the issuer and one code “A” grant, reflecting a deemed acquisition of 769,541 shares underlying outstanding and unvested performance restricted stock unit awards. Those awards were treated as earned at 120% of target, except for a special award at 100% of target.
Unvested RSU and PSU awards were converted into replacement cash or equity-based awards linked to Jupiter Topco LLC, with some awards earning interest or being notionally invested in approved mutual funds. Following these transactions, the reporting person shows no remaining holdings of the issuer’s common stock in this filing.
Janus Henderson Group Ltd. chief risk officer Georgina Fogo reported multiple equity changes tied to the company’s merger with Jupiter Company Limited. At the merger’s effective time, each ordinary share was converted into the right to receive $52.00 per share in cash, without interest.
Fogo reported several dispositions of common stock back to the issuer and one compensation-related acquisition. A deemed acquisition of shares under outstanding performance stock units was based on performance goals being treated as achieved at 120% of target. Her unvested RSU and PSU awards were converted into replacement awards whose value references equity of Jupiter Topco LLC and will be settled in cash or TopCo equity.
JANUS HENDERSON GROUP PLC insider filing shows that funds managed by Trian Fund Management, L.P. executed an open‑market sale of 6,213,418 shares of common stock at about $51.60 per share. After this transaction, these funds still held 25,654,382 shares indirectly.
According to the disclosure, the sale was for portfolio management purposes by the Trian Funds, which primarily hold publicly traded securities. A Voting and Rollover Agreement contemplates that an affiliate of Trian Management will roll over at least 24,750,000 shares in connection with the pending acquisition of Janus Henderson by Trian‑affiliated funds and General Catalyst‑affiliated funds.
The company’s shareholders approved this acquisition on April 16, 2026, and closing is expected in mid‑2026, subject to customary closing conditions, including regulatory approvals and client consents. The filing notes that the reporting persons disclaim beneficial ownership of the Trian Funds’ shares except to the extent of their pecuniary interests.
JANUS HENDERSON GROUP PLC insider entities associated with Trian Fund Management reported an open-market sale of 6,213,418 shares of Common Stock at $51.6001 per share. Following the sale, the reporting entities indirectly held 25,654,382 shares.
The sale was described as for portfolio management purposes by funds managed by Trian Fund Management, L.P. An affiliate of Trian Management is expected to roll over at least 24,750,000 shares in connection with the previously announced acquisition of Janus Henderson by Trian-affiliated funds and General Catalyst. Shareholders approved the acquisition on April 16, 2026, and closing is expected in mid-2026, subject to customary regulatory approvals and client consents.
Janus Henderson Group director Eugene Flood Jr reported routine equity compensation activity. On May 11, 2026, he received a grant of 3,288 shares of Common Stock as restricted stock units at $51.71 per share, which vest one year after the grant date. On May 12, 2026, 416 shares were withheld at $51.61 per share to satisfy his tax withholding obligations related to the vesting of restricted stock units granted on May 2, 2025. After these transactions, he directly holds 23,833 shares of Janus Henderson Group common stock.
Janus Henderson Group plc director Kalpana Desai reported routine equity compensation activity. On May 11, 2026, she received a grant of 3,288 restricted stock units, which vest one year after the grant date. On May 12, 2026, 1,926 shares of common stock were withheld by the company to cover her tax withholding obligations related to the vesting of restricted stock units originally granted on May 2, 2025. Following these transactions, she directly holds 33,638 shares of Janus Henderson common stock, reflecting routine compensation and tax-settlement mechanics rather than open-market trading.
DOLAN KEVIN B reported acquisition or exercise transactions in this Form 4 filing.
Janus Henderson Group plc director Kevin B. Dolan reported an equity compensation grant. On May 11, 2026, he received 3,288 restricted stock units representing Common Stock, valued at $51.71 per share on the grant line. The units vest one year after the grant date. Following this award, Dolan directly holds 27,017 shares of Common Stock, reflecting his updated ownership position after the transaction.
Janus Henderson Group director Anne Sheehan reported routine equity compensation and related tax withholding. She received a grant of 3,288 shares of Common Stock on May 11, 2026 at a reference price of $51.71 per share, representing restricted stock units that vest one year after the grant date.
On May 12, 2026, the issuer withheld 392 shares at $51.61 per share to satisfy her tax withholding obligations tied to the vesting of restricted stock units granted on May 2, 2025. After these transactions, Sheehan directly holds 16,264.982 shares of Common Stock, indicating a modest, compensation-related update rather than an open-market trade.
CASSADAY JOHN M reported acquisition or exercise transactions in this Form 4 filing.
Janus Henderson Group director John M. Cassaday reported a compensation-related share award. He received 5,899 shares of Common Stock as a grant of restricted stock units at a reference value of $51.71 per share, which vest one year after the grant date and include dividend equivalents in the form of additional restricted stock units. After this award, he directly holds 29,297 shares and indirectly holds 14,900 shares through Sundance Investments Inc., an investment trust where he is the sole shareholder.
JANUS HENDERSON GROUP PLC director Alison A. Quirk reported routine equity compensation activity in company stock. On May 11, 2026, she received a grant of 3,288 shares of Common Stock as a restricted stock unit award that vests one year after the grant date. On May 12, 2026, 417 shares were withheld by the company to cover her tax obligations related to vesting of restricted stock units that were granted on May 2, 2025, a non‑market, tax-withholding disposition. After these transactions, she directly holds 15,908 shares of Common Stock.
Janus Henderson Group director Angela Seymour Jackson reported routine equity compensation changes. On May 11, 2026, she received a grant of 3,288 shares of Common Stock as restricted stock units that vest after one year. On May 12, 2026, 1,997 shares were withheld by the issuer to cover tax obligations tied to prior RSU vesting. Following these transactions, she holds 28,786 Common Stock shares directly.
JANUS HENDERSON GROUP PLC director Leslie Seidman reported compensation-related stock transactions. On May 11, 2026, she acquired 3,288 shares of common stock as a grant of restricted stock units that vest one year after the grant date, at $51.71 per share. On May 12, 2026, 417 shares were disposed of at $51.61 per share to satisfy tax withholding obligations tied to vesting restricted stock units granted on May 2, 2025. Following these transactions, she directly holds 15,756 shares of common stock, indicating a routine equity award and associated tax withholding rather than open-market buying or selling.
Janus Henderson Group Chief People Officer Megan Podzorov reported an open-market sale of 1,650 shares of common stock at $51.24 per share. The transaction took place on March 10, 2026, and after this sale she directly owns 12,204 shares of Janus Henderson Group stock.
Janus Henderson Group plc insider Michelle Rosenberg, the company’s CAO & General Counsel, reported equity compensation activity in the form of restricted stock units and related tax withholding. On February 27, 2026, she acquired 29,388 shares of common stock as a grant at $49.00 per share, increasing her direct holdings to 137,030.02 shares. Footnotes explain this is a restricted stock unit grant that vests in three equal annual installments beginning one year after the grant date. On March 2, 2026, 7,833 shares at $51.91 per share were withheld by the issuer to cover her tax obligations upon vesting of restricted stock units, leaving her with 129,197.02 directly owned shares after this tax-withholding disposition.
Janus Henderson Group Chief Risk Officer Georgina Fogo reported two equity compensation-related transactions in common stock. On February 27, 2026, she acquired 13,829 shares as a grant of restricted stock units at $49.0000 per share, vesting in three equal annual installments beginning one year after the grant date.
On March 2, 2026, 10,901 shares were disposed of at $51.9656 per share to satisfy her tax withholding obligations upon restricted stock unit vesting. After these transactions, she directly held 61,090.420 shares of Janus Henderson Group common stock.
Janus Henderson Group Chief Financial Officer Roger MJ Thompson reported routine equity compensation activity involving the company’s common stock. On February 27, 2026, he acquired 24,694 shares at $49.0000 per share as a grant of restricted stock units that vest in three equal annual installments beginning one year after the grant date. On March 2, 2026, 10,561 shares at $51.9656 per share were disposed of in a tax-withholding transaction, representing shares sold by the issuer to satisfy his tax obligations upon RSU vesting. Following these transactions, he directly owned 146,254.1236 shares, which includes shares purchased under the issuer’s Buy As You Earn plan.
Janus Henderson Group’s Chief People Officer Megan Podzorov reported two equity-related transactions in company common stock. On February 27, 2026, she acquired 9,919 shares through a grant of restricted stock units at $49.00 per share, which vest in three equal annual installments starting one year after the grant date.
On March 2, 2026, 286 shares at $51.91 per share were withheld by the company to cover her tax obligations upon vesting of restricted stock units, reducing her directly held stake to 13,854 shares. Her holdings include shares purchased under the company’s Employee Stock Purchase Plan.
Janus Henderson Group Chief Technology Officer William B. Cassidy reported several stock transactions. He received a grant of 19,837 restricted stock units at $49.00 per share that will vest in three equal annual installments beginning one year after the grant date, sold 16,947 shares in an open-market transaction at $52.27 per share, and had 5,400 shares withheld at $51.91 per share to cover tax obligations upon vesting of restricted stock units. After these transactions, he directly holds 113,539 common shares, which include shares purchased under the company’s employee stock purchase plan.
Janus Henderson Group PLC chief accounting officer Berg reported routine equity compensation activity. On February 27, he acquired 1,327 shares of common stock as a grant of restricted stock units priced at $49.00 per share, which vest in three equal annual installments beginning one year after the grant date. On March 2, 43 shares at $51.91 per share were withheld by the company to cover tax obligations tied to restricted stock vesting. Following these transactions, he directly owned 2,723 shares, including shares purchased under the company’s employee stock purchase plan.
JANUS HENDERSON GROUP PLC CEO Ali Dibadj reported two equity compensation-related transactions. On February 27, 2026, he acquired 79,715 shares of common stock via a grant of restricted stock units at $49.00 per share, which vest in three equal annual installments beginning one year after the grant date.
On March 2, 2026, 42,529 shares of common stock at $51.91 per share were withheld by the issuer to cover his tax withholding obligations upon RSU vesting, a tax-withholding disposition rather than an open-market sale. Following this tax-withholding transaction, he directly held 486,264 common shares.
Janus Henderson Group plc executive Michelle Rosenberg, Chief Accounting Officer and General Counsel, reported an open-market sale of 22,000 shares of common stock. The weighted average sale price was about $49.271 per share, and she now directly holds 87,805.02 shares of the company’s stock.
Janus Henderson Group CEO Ali Dibadj reported an open-market sale of common stock. On February 17, 2026, he sold 127,632 shares at a weighted average price of $49.12 per share, in multiple trades between $49.05 and $49.28. Following this transaction, he directly holds 449,078 shares of Janus Henderson Group common stock.
Janus Henderson Group plc's chief financial officer Roger Thompson reported equity compensation activity in company stock. On February 11, 2026, he acquired 35,784 shares of common stock upon vesting of a previously granted performance share unit award at a value of $48.2525 per share. To cover related tax withholding obligations, the issuer sold 16,861 shares of common stock on his behalf at the same price. Following these transactions, Thompson directly owned 132,112.1236 shares of Janus Henderson common stock.
Janus Henderson Group plc’s Chief Accounting Officer and General Counsel Michelle Rosenberg reported equity compensation activity. On February 2, 2026, she acquired 26,022 shares of common stock at $48.18 per share upon vesting of a previously granted performance share unit award. On the same date, 11,385 shares were withheld by the company at $48.18 per share to cover her tax withholding obligations related to that vesting. Following these transactions, she directly beneficially owned 109,805.02 shares of common stock and indirectly held 129.589 shares through a 401(k) plan.
Janus Henderson Group CEO Ali Dibadj reported stock-based compensation activity in the company’s common stock. On February 2, 2026, he acquired 212,501 shares at $48.18 per share upon vesting of a previously granted performance share unit award. On the same date, 117,514 shares at $48.18 per share were withheld by the company to cover his tax obligations related to that vesting. Following these transactions, Dibadj directly beneficially owned 576,710 shares of Janus Henderson common stock.
Janus Henderson Group plc's Chief People Officer reported a routine share withholding related to equity compensation. On 12/01/2025, 157 shares of common stock were withheld by the issuer to cover the reporting person's tax obligations upon the vesting of restricted stock units at a price of $43.54 per share. After this tax withholding event, the reporting person beneficially owns 4,079 shares of Janus Henderson common stock, which includes shares purchased under the company's Employee Stock Purchase Plan.