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Arthur J. Gallagher & Co. Form 4 Filings

AJG NYSE

Every Form 4 that Arthur J. Gallagher & Co. (AJG) 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 AJG 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 AJG filings page.

Rhea-AI Summary

Arthur J. Gallagher & Co. vice president Christopher E. Mead reported an option exercise and share sale. On March 5, 2026 he exercised 4,000 non-qualified stock options, acquiring 4,000 common shares at $79.59 per share, then sold 4,000 common shares in open-market transactions at a weighted-average price of $227.118 per share, with individual trades ranging from $227.050 to $227.580. After these transactions, he directly owned 19,305.7322 common shares and also held additional interests through phantom stock, notional stock units and multiple non-qualified stock option awards, plus 491.098 common shares indirectly through a Gallagher 401(k) plan account.

Rhea-AI Summary

Arthur J. Gallagher & Co. vice president Michael Robert Pesch exercised 6,750 non-qualified stock options, receiving the same number of common shares at a price of $79.59 per share. A separate transaction shows 3,733 common shares were surrendered at $228.835 per share to cover the option exercise price and related tax obligations, as described in a footnote.

After these transactions, Pesch directly owned 44,865.6557 common shares, along with various outstanding stock options and deferred equity interests. Footnotes explain that phantom stock and notional stock units each represent rights to receive one share of Gallagher common stock, with certain units vesting under an age-based deferred compensation plan and portions scheduled for payment in July of 2025, 2026, 2027, and 2028 and following separation from service.

Rhea-AI Summary

Arthur J. Gallagher & Co. vice president Scott R. Hudson reported a mix of stock option activity and share sales. On March 6, 2026, he exercised 3,800 non-qualified stock options, acquiring 3,800 shares of common stock at an exercise price of $79.59 per share through a derivative conversion.

He then sold 3,800 common shares in an open-market transaction at $227.57 per share, leaving 85,920 common shares held directly after the sale, plus 411.467 shares held indirectly through a Gallagher 401(k) plan account. The filing also lists continuing holdings of phantom stock, notional stock units, and several non-qualified stock option awards, each representing rights that relate to Gallagher common stock under company compensation and deferred compensation plans.

Rhea-AI Summary

Arthur J. Gallagher & Co. reported that its General Counsel, Walter D. Bay, acquired 1,982.292 shares of phantom stock on March 4, 2026 as a grant or award. Each phantom share represents a right to receive one share of Gallagher common stock.

The phantom stock relates to awards under the company’s Age 62 Plan, a nonqualified deferred compensation plan, and is deemed invested in Gallagher common stock at Bay’s election. Participants vest in these awards in the year they attain age 62, or after one year if they have already reached age 61. Following this transaction, Bay directly holds 5,399.100 phantom stock shares.

Rhea-AI Summary

Arthur J. Gallagher & Co. reported that Vice President Mark H. Bloom acquired an award of 1,541.782 shares of phantom stock on March 4, 2026, at a reference price of $227.010 per share. Following this grant, he holds 7,255.745 phantom stock shares directly.

Each phantom stock share represents a right to receive one share of Gallagher common stock. The award was made under the company’s Age 62 Plan, a nonqualified deferred compensation plan. Participants generally vest in these awards when they reach age 62, or after one year if they are already at least 61.

Rhea-AI Summary

Arthur J. Gallagher & Co. disclosed that CEO and director J. Patrick Gallagher Jr. acquired 7,929.166 shares of phantom stock on March 4, 2026 as a grant or award. Each phantom share represents a right to receive one share of Gallagher common stock.

The award was made under the company’s Age 62 Plan, a nonqualified deferred compensation plan in which amounts are deemed invested in company common stock at the executive’s election. After this transaction, Gallagher Jr. directly holds a total of 143,990.150 phantom stock shares under this plan.

Rhea-AI Summary

Gallagher Patrick Murphy reported acquisition or exercise transactions in this Form 4 filing.

Arthur J. Gallagher & Co.'s Chief Operating Officer Patrick Murphy Gallagher received an award of 1,541.782 shares of phantom stock on March 4, 2026. Each phantom stock share represents a right to receive one share of Gallagher common stock, valued at $227.01 per share for this grant.

The award was made under the company’s Age 62 Plan, a nonqualified deferred compensation plan, where awards are deemed invested in company common stock at the executive’s election. After this grant, Gallagher directly holds 17,594.638 phantom stock shares under this plan, which vest upon attaining age 62 or, for participants already 61, after one year.

Rhea-AI Summary

HOWELL DOUGLAS K reported acquisition or exercise transactions in this Form 4 filing.

Arthur J. Gallagher & Co. Vice President and Chief Financial Officer Douglas K. Howell reported receiving an award of 2,643.055 shares of phantom stock on March 4, 2026 at a reference price of $227.010 per share. After this grant, his directly held phantom stock balance increased to 6,928.978 shares.

Each share of phantom stock represents a right to receive one share of Gallagher common stock. The award was made under the company’s Age 62 Plan, a nonqualified deferred compensation program where participants vest upon reaching age 62, or after one year for participants who are at least 61.

Rhea-AI Summary

Arthur J. Gallagher & Co. Vice President receives phantom stock award. On March 4, 2026, Scott R. Hudson acquired 2,202.546 phantom stock units at a reference price of $227.010 per unit. After this grant, he holds 3,764.121 phantom stock units in total.

Each phantom stock unit represents the right to receive one share of Gallagher common stock. The award was made under the company’s Age 62 nonqualified deferred compensation plan, where participants generally vest upon reaching age 62 or, for those already age 61, after one year.

Rhea-AI Summary

Arthur J. Gallagher & Co. reported that Vice President Vishal Jain acquired 1,982.292 units of phantom stock on March 4, 2026 as a grant or award. Each unit of phantom stock represents a right to receive one share of Gallagher common stock. After this award, his holdings in phantom stock total 39,506.268 units. These awards are under the company’s Age 62 Plan, a nonqualified deferred compensation plan, where amounts are deemed invested in company common stock at the executive’s election and vest when participants attain age 62, or after one year for participants who are already at least 61.

Rhea-AI Summary

Mead Christopher E reported acquisition or exercise transactions in this Form 4 filing.

Arthur J. Gallagher & Co. vice president Christopher E. Mead received an award of 1,541.782 shares of phantom stock on March 4, 2026. Each phantom stock share represents a right to receive one share of Gallagher common stock. The award was granted under the company’s Age 62 Plan, a nonqualified deferred compensation plan, where units are deemed invested in company common stock at the participant’s election. After this grant, Mead holds a total of 21,803.927 phantom stock units, which vest when participants attain age 62 or, for those already age 61, after a one-year period.

Rhea-AI Summary

Pesch Michael Robert reported acquisition or exercise transactions in this Form 4 filing.

Arthur J. Gallagher & Co. Vice President Michael Robert Pesch received an award of 1,321.528 shares of phantom stock on March 4, 2026. Each phantom stock share represents a right to receive one share of Gallagher common stock. Following this grant, he holds 49,197.003 phantom stock shares directly.

These phantom stock shares are awarded under the Company’s Age 62 Plan, a nonqualified deferred compensation plan. Awards under this plan are deemed invested in Company common stock at the participant’s election and vest when participants attain age 62, or after one year for participants who have already attained age 61.

Rhea-AI Summary

Arthur J. Gallagher & Co. Chief Human Resources Officer Susan E. Pietrucha reported an award of phantom stock under a company deferred compensation plan. On this transaction date, she acquired 1,982.292 shares of phantom stock at a reference price of $227.0100 per share through a grant or award.

Each share of phantom stock represents a right to receive one share of Gallagher common stock. The award is under the company’s Age 62 Plan, where amounts are deemed invested in company stock at the participant’s election, with vesting tied to reaching specified ages. Following this award, her reported phantom stock balance is 100,637.795 shares held directly.

Rhea-AI Summary

Arthur J. Gallagher & Co. reported that President Thomas Joseph Gallagher acquired 2,643.055 shares of phantom stock on March 4, 2026 at a reference price of $227.01 per unit. Each phantom share represents a right to receive one share of Gallagher common stock.

These units were granted under the company’s Age 62 Plan, a nonqualified deferred compensation plan in which awards are deemed invested in company common stock at the participant’s election. After this award, Gallagher holds 20,232.185 phantom stock units. Participants vest in these awards upon reaching age 62, or after one year if they are at least 61.

Rhea-AI Summary

Arthur J. Gallagher & Co. Chief Operating Officer Patrick Murphy Gallagher reported several indirect transactions in company common stock on March 3, 2026. Trusts associated with him filed bona fide gifts of 150 shares from an irrevocable trust, 600 shares from a trust, and 150 shares from a spouse’s trust, all at a reported price of $0.0000 per share, indicating non-cash gifts.

Footnotes explain that some shares are held in trusts for the benefit of his children and in revocable and irrevocable trusts where his spouse is sole trustee and he disclaims beneficial ownership. After these transactions, reported holdings include 55,109 shares in an irrevocable trust, 21,032 shares in a trust, 53,262 shares in a spouse’s trust, 10,560 shares held by his spouse as trustee, 491.1360 shares in a 401(k) plan account, 83,407.2500 shares in a trust, and 36,442.6637 shares held directly.

Rhea-AI Summary

Arthur J. Gallagher & Co. CEO J. Patrick Gallagher Jr. exercised 44,050 non-qualified stock options at $79.59 per share and sold 27,450 common shares at an average price of about $230.312, with proceeds covering tax and option exercise obligations. He also made bona fide gifts totaling 3,300 common shares directly and through spouse and trust accounts. In addition, he executed a discretionary transaction moving $20,669,228.36 in a supplemental savings plan into Gallagher common stock, creating 91,769.428 notional stock units valued at $225.23 each.

Rhea-AI Summary

Arthur J. Gallagher & Co. reported that Chief Human Resources Officer Susan E. Pietrucha received a grant of 14,977 non-qualified stock options. The options were acquired on March 1, 2026 at no cost to her as part of an equity award.

According to the vesting terms, one-third of the option grant becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date. After this award, she holds 14,977 derivative securities directly.

Rhea-AI Summary

Pesch Michael Robert reported acquisition or exercise transactions in this Form 4 filing.

Arthur J. Gallagher & Co. reported that Vice President Michael Robert Pesch received a grant of 13,167 non-qualified stock options on the company’s stock. The options carry a grant price of $0.00 per option and increase his directly held derivative position to 13,167 options. One-third of this option award becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date, creating a multi-year, time-based vesting schedule tied to continued service.

Rhea-AI Summary

Arthur J. Gallagher & Co. reported that Vice President Christopher E. Mead received a grant of 12,344 non-qualified stock options on March 1, 2026. These options were awarded at an exercise price of $0.00 per share, reflecting a compensation-related grant rather than an open-market purchase.

According to the vesting terms, one-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date. After this transaction, Mead directly holds 12,344 derivative securities in the form of these options.

Rhea-AI Summary

Arthur J. Gallagher & Co. reported that Vice President Vishal Jain received a grant of non-qualified stock options on March 1, 2026. The award covers 14,319 options with an exercise price of $0.00 per share, reflecting a compensation-related equity grant rather than an open-market purchase or sale.

According to the award terms, one-third of the stock options becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date, creating a multi-year vesting schedule that ties value realization to continued service and future company performance.

Rhea-AI Summary

Arthur J. Gallagher & Co. reported that its VP & Chief Financial Officer, Douglas K. Howell, received a grant of 20,737 non-qualified stock options. These options were awarded at an exercise price of $0.00 per option, reflecting a compensation grant rather than an open-market purchase.

The filing notes that one-third of the option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date. This structure is designed to vest over time, aligning the executive’s potential equity gains with longer-term company performance.

Rhea-AI Summary

Arthur J. Gallagher & Co. reported that Vice President Scott R. Hudson acquired a grant of 15,800 non-qualified stock options on March 1, 2026. One-third of this option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date, creating a multi-year vesting schedule that links compensation to longer-term company performance.

Rhea-AI Summary

GALLAGHER J PATRICK JR reported acquisition or exercise transactions in this Form 4 filing.

Arthur J. Gallagher & Co. CEO and director J. Patrick Gallagher Jr. received a grant of 48,449 non-qualified stock options on the reported date. These options were awarded at no purchase cost on the grant date and are held directly.

According to the accompanying note, one-third of this stock option grant becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date, creating a long-term vesting schedule that ties the potential benefit to multi-year service and performance.

Rhea-AI Summary

Arthur J. Gallagher & Co. reported that Vice President Mark H. Bloom acquired a grant of 13,331 non-qualified stock options on March 1, 2026. The Form 4 labels this as a grant or award acquisition, with a reported price of $0.00 per option.

According to the footnote, one-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date, creating a multi-year vesting schedule tied to the original award.

Rhea-AI Summary

Arthur J. Gallagher & Co. General Counsel Walter D. Bay received a grant of 16,952 non-qualified stock options. These options were awarded at an exercise price of $0.00 per share, reflecting a compensatory grant rather than an open-market purchase.

According to the vesting terms, one-third of the options becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date. This structure ties the award to longer-term service and alignment with the company’s future performance.

Rhea-AI Summary

Arthur J. Gallagher & Co. Chief Operating Officer Patrick Murphy Gallagher reported equity compensation activity. On March 3, 2026, he exercised 5,000 non-qualified stock options, acquiring 5,000 common shares at an exercise price of $79.59 per share. After this exercise, his directly held common stock position is 36,442.6637 shares.

On March 1, 2026, he also received a grant of 17,775 non-qualified stock options. The filing notes additional interests through phantom stock and nonqualified deferred compensation plans that are deemed invested in company stock, as well as shares held in various family and children’s trusts where some beneficial ownership is disclaimed.

Rhea-AI Summary

Arthur J. Gallagher & Co. President Thomas Joseph Gallagher reported several equity-related transactions. He received a grant of 22,219 non-qualified stock options at an exercise price of $228.20 per share, with one-third becoming exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date. He also exercised 28,200 non-qualified stock options at $75.59 per share, acquiring the same number of common shares. To cover the exercise price and required tax withholdings, 17,555 common shares were withheld by the company as a tax-withholding disposition. Following these transactions, he continues to hold substantial common stock directly and indirectly through his wife, various trusts, and a 401(k) plan, some of which he formally disclaims beneficial ownership. He also holds 11,110.1805 notional stock units, each representing a right to receive one share of common stock, with portions payable in shares in July of 2025 and 2026 and after separation from service.

Rhea-AI Summary

Arthur J. Gallagher & Co. director David S. Johnson acquired additional equity through deferred compensation. On this Form 4, he received 213.628 shares of common stock at $228.20 per share, resulting from a prior election to defer his annual cash retainer into deferred share units. Following this award, he directly holds 46,037.630 shares of common stock.

Rhea-AI Summary

Arthur J. Gallagher & Co. director Christopher C. Miskel acquired 175.285 shares of common stock on an award basis valued at $228.20 per share. After this grant, he beneficially owns 9,308.109 common shares. The acquisition stems from his prior election to defer his annual cash retainer into deferred share units under the company’s Director Deferral Plan, which are paid quarterly and ultimately settled in common stock.

Rhea-AI Summary

Arthur J. Gallagher & Co. VP & Chief Financial Officer Douglas K. Howell reported a discretionary acquisition of 12,892.211 notional stock units tied to Gallagher common stock on February 10, 2026. These units were acquired by moving assets within the company’s Supplemental Savings and Thrift Plan into the Gallagher stock investment option.

Each notional stock unit represents a right to receive one share of common stock, with portions payable in shares in July 2026, 2028 and 2029 and after his separation from service. Following this transaction, Howell held 191,318.0546 notional stock units directly.

Rhea-AI Summary

Arthur J. Gallagher & Co. vice president reported equity transactions dated 01/01/2026 related to company stock and deferred compensation. The filing shows 954.69 shares of common stock acquired at $0 under a phantom stock/Age 62 Plan distribution, coded as an exercise or conversion (code M). It also reports 259 shares of common stock disposed of at $258.79 per share, coded as a tax withholding transaction (code F). After these transactions, the officer directly owned 58,418.69 shares of common stock and held additional shares through a Gallagher 401(k) plan account.

Rhea-AI Summary

Arthur J. Gallagher & Co.’s Vice President and Chief Financial Officer reported a sale of common stock on a Form 4. On 12/22/2025, the insider sold 5,000 shares of Arthur J. Gallagher & Co. common stock at an average weighted price of $258.0485 per share. The filing states this sale was made to cover tax obligations related to the distribution of 35,739 deferred shares under the company’s Supplemental Savings and Thrift Plan.

After these transactions and related adjustments, the reporting person directly beneficially owns 95,580.7558 shares of common stock, with additional indirect holdings through a spouse and a Gallagher 401(k) plan account, as well as notional stock units, stock options, and phantom stock awards that are tied to future vesting or separation from service.

Rhea-AI Summary

Arthur J. Gallagher & Co. executive activity shows a mix of option exercise, sale, and updated equity holdings. On 12/23/2025, a vice president exercised a non-qualified stock option for 4,000 shares of common stock at an exercise price of $79.59 per share, increasing directly held shares.

That same day, the vice president sold 4,000 shares of common stock at an average price of $258.11 per share, based on multiple trades within a $258.000–$258.600 range, and made a gift of 388 shares. After these transactions, the executive directly owned 16,938.7322 shares of common stock and held 418.658 shares indirectly through a Gallagher 401(k) plan account.

The filing also reports 20,125.736 shares of phantom stock and 1,584.532 notional stock units, each representing a right to receive one share of Gallagher common stock, along with multiple non-qualified stock option grants with various exercise prices and expiration dates.

Rhea-AI Summary

Arthur J. Gallagher & Co.’s General Counsel reported several stock transactions in a Form 4. On 12/19/2025, the insider exercised 15,850 non-qualified stock options at $79.59 per share and acquired the same number of common shares. That same day, the insider sold 15,850 common shares at $255 per share and made a gift of 1,724 shares at no price.

After these transactions, the insider directly owned 77,825 common shares and held an additional 418.689 shares indirectly through a Gallagher 401(k) plan account. The filing also lists multiple outstanding non-qualified stock options and deferred equity interests, including phantom stock and notional stock units that each represent the right to receive shares of Gallagher common stock under company compensation plans.

Rhea-AI Summary

Arthur J. Gallagher & Co. disclosed that one of its directors acquired additional exposure to the company’s stock through its Director Deferral Plan. On 12/01/2025, the director acquired 162.536 shares of common stock at $246.1 per share, reported as an acquisition rather than a sale. This increased the director’s beneficial ownership to 9,110.532 shares, held as a direct position.

The filing explains that this transaction stems from a prior election to defer the director’s annual cash retainer into deferred share units, which the company credits on a quarterly basis and will ultimately distribute in the form of common stock. This reflects compensation being taken in equity-linked form rather than cash, aligning part of the director’s pay with the company’s share performance.

Rhea-AI Summary

Arthur J. Gallagher & Co. director reported a routine acquisition of company stock under a compensation plan. On 12/01/2025, the director acquired 198.09 deferred share units of common stock at $246.1 per share, bringing total beneficial ownership to 45,822.714 shares held directly.

The filing explains that this acquisition resulted from the director’s prior election under the Company’s Director Deferral Plan to defer the annual cash retainer into deferred share units, which are paid quarterly and will ultimately be distributed in shares of Arthur J. Gallagher & Co. common stock. The report is filed by a single reporting person in the capacity of director.

Rhea-AI Summary

Arthur J. Gallagher & Co. (AJG) reported an insider transaction by a vice president. On 11/21/2025, the executive sold 1,250 shares of common stock in an open market sale at a price of $250.74 per share. After this sale, the reporting person directly owned 17,326.7322 shares of AJG common stock, with additional holdings through a Gallagher 401(k) plan account and various stock-based awards.

The filing also lists deferred compensation in the form of phantom stock and notional stock units, each representing the right to receive one share of AJG common stock, as well as multiple non-qualified stock options with exercise prices ranging from $55.94 to $337.74 and expirations extending into 2032.

Rhea-AI Summary

Arthur J. Gallagher & Co. (AJG) officer stock transaction disclosed

The company’s Controller and Chief Accounting Officer reported selling 6,000 shares of Arthur J. Gallagher common stock on 11/18/2025 at a price of $261 per share. After this sale, the reporting person holds 50,667.789 shares directly and 418.699 shares through a Gallagher 401(k) plan account.

The filing also details various equity-based awards. These include phantom stock and notional stock units, each representing the right to receive one share of common stock, as well as multiple non-qualified stock options with exercise prices between $86.17 and $177.09 that generally become exercisable in thirds on the 3rd, 4th, and 5th anniversaries of their grant dates, with some options expiring between 03/12/2027 and 03/15/2030.

Rhea-AI Summary

Arthur J. Gallagher & Co. (AJG) reported insider buying by a Vice President on 11/03/2025. The officer made four open‑market purchases of common stock: 538 shares at a weighted average price of $245.853, 1,874 shares at $246.822, 989 shares at $247.415, and 599 shares at $248.717.

Following these trades, the officer directly holds 41,848.6557 shares. Indirect holdings include 59 shares by a child, 12,505 shares held by the spouse’s trust, and 418.699 shares in a Gallagher 401(k) plan account. Prices reflect weighted averages across multiple executions, with detailed breakdowns available upon request.