Every Form 4 that Allegro MicroSystems, Inc. (ALGM) 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 ALGM 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 ALGM filings page.
Allegro Microsystems, Inc. director Robert Willett acquired 618.982 deferred stock units (DSUs) on September 30, 2026, after electing to receive his quarterly cash board retainer as DSUs under the Deferred Compensation Plan for Non-Employee Directors. Each DSU represents a contingent right to one common share; his reported holdings became 4,869.982 DSUs. The award calculation used a $36.35 per-share fair market value.
The DSUs were fully vested when granted and will be settled in a lump sum in whole common shares after separation from service, disability or death, with cash in lieu of a fractional DSU.
ALLEGRO MICROSYSTEMS, INC. (ALGM) director Jennie Raubacher reported selling 1,000 shares of Common Stock on August 17, 2026 at $45.32 per share in an open-market or private transaction. After this sale, she directly holds 13,976 shares. The sale was executed under a Rule 10b5-1 trading plan adopted on May 19, 2026.
Allegro MicroSystems, Inc. executive Erin Hagen, SVP and Chief Human Resources Officer, reported a sale of 2,285 shares of common stock on 2026-08-10 at $44.39 per share. After this transaction, Hagen directly holds 31,052 shares. The sale was effected under a Rule 10b5-1 trading plan adopted on May 11, 2026.
Suzuki Yoshihiro reported acquisition or exercise transactions in this Form 4 filing.
Allegro Microsystems, Inc. reported that director Suzuki Yoshihiro received an award of 4,251 shares of common stock on August 5, 2026. The fully vested, unrestricted shares were granted as annual non-employee director equity compensation, increasing his direct holdings to 217,811 shares.
MARTIN JOSEPH R reported acquisition or exercise transactions in this Form 4 filing.
Allegro Microsystems, Inc. reported that director Joseph R. Martin received an award of 4,251 shares of fully vested, unrestricted common stock on August 5, 2026 as annual non-employee director equity compensation. Following this grant, his directly held common stock position increased to 39,430 shares.
PUMA MARY G reported acquisition or exercise transactions in this Form 4 filing.
Allegro Microsystems, Inc. reported that director Mary G. Puma received an award of 4,251 shares of Common Stock on August 5, 2026. The shares are fully vested and unrestricted, granted as annual non-employee director equity compensation, bringing her direct holdings to 21,734 shares.
Palepu Krishna G. reported acquisition or exercise transactions in this Form 4 filing.
ALLEGRO MICROSYSTEMS, INC. director Krishna G. Palepu received an award of 4,251 shares of Common Stock on August 5, 2026. These fully vested, unrestricted shares were granted as annual non-employee director equity compensation. Following the award, he holds 14,212 shares directly, and an additional 550 shares are held indirectly by his spouse.
Raubacher Jennie reported acquisition or exercise transactions in this Form 4 filing.
Allegro MicroSystems, Inc. reported that director Jennie Raubacher received a grant of 4,251 deferred stock units (DSUs) on August 5, 2026. The award is part of the non-employee director compensation program under the 2020 Omnibus Incentive Compensation Plan and a Deferred Compensation Plan election. The DSUs are fully vested at grant, each represents one share of Common Stock, and will be settled in shares after her separation from service, disability, or death. Following this grant, she holds 4,251 DSUs.
Willett Robert reported acquisition or exercise transactions in this Form 4 filing.
Allegro MicroSystems, Inc. director Robert Willett received an equity compensation grant of 4,251 Deferred Stock Units (DSUs) on August 5, 2026. Each DSU represents one share of common stock, is fully vested at grant, and will be settled in shares after his separation from service, disability, or death. Following this grant, Willett directly holds 4,251 DSUs.
WHITE BRIAN C reported acquisition or exercise transactions in this Form 4 filing.
Allegro MicroSystems director Brian C. White received an award of 4,251 Deferred Stock Units (DSUs) on August 5, 2026 as part of the non-employee director compensation program. Each DSU equals one share of common stock, is fully vested at grant, and will be settled in shares after his separation from service, disability, or death. Following this grant, he directly held 4,251 DSUs.
ALLEGRO MICROSYSTEMS, INC. director Brian C. White reported receiving an equity award in the form of restricted stock units. He acquired 594 shares of common stock-equivalent RSUs on June 17, 2026 at a stated price of $0.00 per share.
Each RSU represents a contingent right to receive one share of Allegro common stock. According to the disclosure, these RSUs will vest on the date of the next annual meeting following the grant date, after which the underlying shares can be delivered, subject to applicable terms.
Allegro MicroSystems SVP Richard Madormo sold 5,000 shares of Common Stock in an open-market transaction at $52.72 per share. After this sale, he directly holds 69,687 Allegro MicroSystems shares, indicating a partial reduction of his position while retaining a substantial remaining stake.
Allegro MicroSystems, Inc. senior vice president Troy Coleman reported an open-market sale of 4,500 shares of Common Stock at $45.72 per share. After this transaction, he directly owned 77,476 shares, indicating he retained the majority of his personal stake.
ALLEGRO MICROSYSTEMS, INC. executive Roald Graham Webster, the VP and Chief Accounting Officer, reported an open-market sale of company stock. He sold 5,217 shares of common stock at a price of $44.885 per share and now directly holds 13,106 shares following this transaction.
ALLEGRO MICROSYSTEMS, INC. executive Erin Hagen, the company’s SVP and chief human resources officer, had 5,815 shares of Common Stock withheld on May 16, 2026 to cover taxes due on previously granted restricted stock units that vested. After this tax-withholding disposition, Hagen directly owns 33,337 shares of Allegro common stock, indicating this was a routine compensation-related event rather than an open‑market trade.
ALLEGRO MICROSYSTEMS, INC. senior vice president of global operations Ian Kent reported a small net sale of company stock. On May 18, 2026, he executed an open-market sale of 2,642 common shares at $41.56 per share, leaving him with 25,392 directly held shares.
Two days earlier, on May 16, 2026, 2,345 shares were disposed of at $43.10 per share to satisfy tax obligations upon vesting of previously granted restricted stock units, a non-market, tax-withholding event.
ALLEGRO MICROSYSTEMS, INC. EVP, CFO & Treasurer Derek D'Antilio reported a tax-related share disposition. On the reported date, 37,840 shares of common stock were withheld at $43.10 per share to cover taxes due upon the vesting of previously granted restricted stock units and performance-vesting restricted stock units.
After this tax-withholding disposition, D'Antilio directly held 238,813 shares of Allegro common stock. This event reflects a routine administrative tax payment tied to equity compensation vesting rather than an open-market purchase or sale.
ALLEGRO MICROSYSTEMS, INC. senior vice president of worldwide sales Richard Madormo reported a routine tax-related share disposition. On May 16, 2026, 5,439 shares of common stock at $43.10 per share were withheld to cover taxes due upon the vesting of previously granted restricted stock units. After this withholding, Madormo directly held 74,687 shares of Allegro common stock.
ALLEGRO MICROSYSTEMS, INC. executive Roald Graham Webster, the VP and Chief Accounting Officer, reported a tax-related share disposition. On this Form 4, 4,277 shares of common stock were withheld at $43.10 per share to cover taxes due on previously granted restricted stock units and performance-vesting restricted stock units that vested.
These withheld shares were not an open-market sale but a payment of tax liability using company stock. After this withholding event, Webster directly holds 18,323 shares of Allegro common stock.
ALLEGRO MICROSYSTEMS, INC. President and CEO Michael Doogue reported routine share movements related to equity compensation. On the Form 4 date, 60,508 shares of common stock were withheld at $43.10 per share to cover taxes due upon the vesting of previously granted restricted stock units and performance-vesting restricted stock units. This tax-withholding disposition was not an open-market sale. After these transactions, Doogue held 279,076 common shares directly and 252,797 common shares indirectly through the Michael C. Doogue Revocable Trust of 2015.
ALLEGRO MICROSYSTEMS, INC. senior vice president and general counsel Sharon Briansky reported a routine tax-withholding transaction related to equity compensation. On this Form 4, 13,942 shares of common stock were withheld at $43.10 per share to cover taxes due when previously granted restricted stock units and performance-vesting restricted stock units vested. After this non-market disposition, she directly holds 79,753 shares of Allegro common stock.
ALLEGRO MICROSYSTEMS, INC. senior vice president Troy Coleman reported a tax-related share disposition tied to equity compensation. On this Form 4, 9,670 shares of Common Stock were withheld at $43.10 per share to cover taxes due upon the vesting of previously granted restricted stock units. After this withholding, Coleman directly holds 81,976 shares of Common Stock, so the event reflects tax settlement rather than an open-market sale.
Willett Robert reported acquisition or exercise transactions in this Form 4 filing.
ALLEGRO MICROSYSTEMS, INC. director Robert Willett received an equity grant of 1,094 shares of common stock in the form of Restricted Stock Units (RSUs). The award was granted at no cash cost per share and increases his direct holdings to 1,094 shares. Each RSU represents a contingent right to receive one share of common stock, and the RSUs will vest on the date of the next annual meeting following the grant date.
Kent Ian reported acquisition or exercise transactions in this Form 4 filing.
ALLEGRO MICROSYSTEMS, INC. granted SVP, Global Operations Ian Kent an equity award in the form of restricted stock units. The award covers 8,492 shares of common stock at no cash cost to him, increasing his directly held common stock to 30,379 shares after the award.
The footnote explains that each restricted stock unit, or RSU, represents a contingent right to receive one share of common stock. These RSUs were granted on May 13, 2026 and will vest in three equal annual installments beginning on May 16, 2027, so the shares are delivered over time rather than all at once.
Madormo Richard reported acquisition or exercise transactions in this Form 4 filing.
ALLEGRO MICROSYSTEMS, INC. senior vice president of worldwide sales Richard Madormo received an equity compensation grant in the form of restricted stock units. On May 13, 2026, he was awarded 19,815 RSUs, each representing a contingent right to one share of common stock at no purchase price. The RSUs will vest in three equal annual installments beginning on May 16, 2027, providing staggered delivery of shares over time. Following this award, Madormo directly holds 80,126 shares of Allegro Microsystems common stock.
ALLEGRO MICROSYSTEMS, INC. executive Sharon Briansky reported stock-based compensation awards rather than open-market trades. On May 13, 2026, she received 2,611 shares of common stock in the form of Restricted Stock Units that will vest in three equal annual installments beginning on May 16, 2027. She also acquired 15,852 shares tied to performance-vesting restricted stock units granted on May 15, 2023, after the Compensation Committee certified that performance goals for the period ending March 27, 2026 had been met, with these shares scheduled to vest on May 16, 2026. Following these awards, she directly holds 93,695 shares of common stock.
D'Antilio Derek reported acquisition or exercise transactions in this Form 4 filing.
ALLEGRO MICROSYSTEMS, INC. reported that EVP, CFO & Treasurer Derek D'Antilio received two equity awards of common stock as compensation. One award is an RSU grant that will vest in three equal annual installments beginning on May 16, 2027. A second award reflects performance-vesting RSUs granted in prior years, for which the Compensation Committee certified that performance goals through March 27, 2026 were achieved, with the certified amount scheduled to vest on May 16, 2026. These are non-cash, stock-based grants rather than open-market purchases or sales.
ALLEGRO MICROSYSTEMS, INC. director Susan D. Lynch reported an open‑market sale of 16,711 shares of Common Stock on May 14, 2026. The shares were sold at a weighted average price of $45.4566, with individual trades ranging from $45.45 to $45.57. After this transaction, she directly owns 12,805 shares of Allegro MicroSystems stock.
Coleman Troy reported acquisition or exercise transactions in this Form 4 filing.
ALLEGRO MICROSYSTEMS, INC. senior vice president Troy Coleman received an equity award in the form of 18,116 shares of common stock as a grant, increasing his direct holdings to 91,646 shares after the transaction.
The award is structured as Restricted Stock Units, each representing one future share. These RSUs were granted on May 13, 2026 and will vest in three equal annual installments beginning on May 16, 2027, aligning his compensation with the company’s long-term performance.
Doogue Michael reported acquisition or exercise transactions in this Form 4 filing.
ALLEGRO MICROSYSTEMS, INC. President and CEO Michael Doogue reported equity awards of common stock on May 13, 2026. He received 83,700 shares through a grant of Restricted Stock Units, each representing a contingent right to one share at no cash cost, vesting in three equal annual installments beginning on May 16, 2027. He also received 77,135 shares tied to performance-vesting restricted stock units granted in 2023 and 2025, after the Compensation Committee certified that performance goals for the period ending March 27, 2026 had been met, with these shares scheduled to vest on May 16, 2026 subject to time-based conditions. In addition, 252,797 shares are reported as indirectly held through the Michael C. Doogue Revocable Trust of 2015.
Hagen Erin reported acquisition or exercise transactions in this Form 4 filing.
ALLEGRO MICROSYSTEMS, INC. reported that SVP and Chief Human Resources Officer Erin Hagen received an equity award in the form of restricted stock units. On May 13, 2026, she was granted 9,058 RSUs, each representing a contingent right to receive one share of common stock.
The RSUs will vest in three equal annual installments beginning on May 16, 2027, spreading the award over three years and linking it to continued service. Following this grant, Hagen holds a total of 39,152 shares of common stock directly, showing her ongoing equity stake in the company.
Allegro MicroSystems, Inc. VP and Chief Accounting Officer Roald Graham reported stock-based compensation awards rather than open-market trades. He acquired 544 shares of common stock through a new grant of restricted stock units (RSUs) and 4,756 shares tied to performance-vesting restricted stock units (PSUs) whose performance goals were certified as achieved. The RSUs vest in three equal annual installments beginning on May 16, 2027, while the certified PSUs are scheduled to vest in full on May 16, 2026. After these awards, his direct common stock holdings are a little over 22,000 shares.
Allegro MicroSystems, Inc. senior vice president, general counsel and secretary Sharon Briansky sold 8,948 shares of common stock in an open-market transaction on May 11, 2026. The shares were sold at a weighted average price of $47.5391 per share, with individual sale prices ranging from $47.500 to $47.675. After this transaction, Briansky directly holds 75,232 shares of Allegro MicroSystems common stock.
ALLEGRO MICROSYSTEMS, INC. President and CEO Michael Doogue reported an indirect open-market sale of 30,089 shares of common stock on May 11, 2026 through the Michael C. Doogue Revocable Trust of 2015 at a weighted average price of $47.2349 per share.
Following the transactions, he holds 178,749 shares directly and 252,797 shares indirectly through the trust. A footnote explains that 36,800 shares were previously moved from direct to indirect ownership via the trust, reflecting a change in form of ownership rather than an additional market sale.
ALLEGRO MICROSYSTEMS, INC. senior vice president of worldwide sales Richard Madormo reported a routine tax-related share disposition. On this Form 4, 6,498 shares of common stock were surrendered at $32.58 per share to cover taxes due upon the vesting of previously granted restricted stock units. After this withholding, Madormo directly holds 60,311 shares of Allegro common stock, indicating he retains a substantial equity stake while settling the tax obligation tied to his equity compensation.
Allegro MicroSystems senior vice president of global operations Ian Kent reported an equity award rather than an open-market trade. He acquired 9,183 restricted stock units (RSUs) on February 2, 2026, each representing one share of common stock, bringing his direct holdings to 21,887 shares. The RSUs vest in two stages, with 60% scheduled to vest on February 13, 2027 and the remaining 40% on February 13, 2028. The filing notes it was submitted late due to an administrative error, not an error by the reporting person.
Allegro MicroSystems SVP, GC and Secretary Sharon Briansky reported two stock transactions. She completed an open-market sale of 9,727 shares of common stock at $35.00 per share on March 2, 2026, executed under a pre-arranged Rule 10b5-1 trading plan.
In a separate transaction on February 27, 2026, 9,107 shares were withheld to cover taxes due upon the vesting of previously granted restricted stock units. After these transactions, she directly holds 84,180 shares of Allegro MicroSystems common stock.
Allegro MicroSystems EVP, CFO & Treasurer Derek D’Antilio reported a tax-related share disposition. On this Form 4, 9,995 shares of common stock were withheld at a price of $36.47 per share to cover taxes due upon the vesting of previously granted restricted stock units. After this withholding, D’Antilio directly owns 216,776 Allegro MicroSystems shares.
Allegro MicroSystems SVP and CHRO Erin Hagen reported two stock transactions in company shares. On March 2, 2026, Hagen completed an open-market sale of 2,598 shares of common stock at $35.00 per share, leaving 30,094 shares of direct ownership after the sale.
On February 27, 2026, Hagen disposed of 1,996 shares of common stock at $36.47 per share to cover taxes due upon the vesting of previously granted restricted stock units, as indicated by the footnote. Both transactions involve directly held common stock.
ALLEGRO MICROSYSTEMS, INC. senior vice president and general counsel Sharon Briansky reported two transactions in the company’s common stock. On February 17, 2026, she executed an open-market sale of 9,258 shares at $41.56 per share, leaving 103,014 shares held directly afterward.
On February 13, 2026, 8,991 shares at $42.38 per share were disposed of to cover taxes due upon the vesting of previously granted restricted stock units, rather than as a discretionary sale. The filing notes that the reported sales were made under a Rule 10b5-1 trading plan adopted by the reporting person.
ALLEGRO MICROSYSTEMS, INC. executive Derek D’Antilio, EVP, CFO & Treasurer, reported an automatic share disposition tied to equity compensation. On this Form 4, 17,808 shares of common stock were withheld at $42.38 per share to cover taxes due when previously granted restricted stock units vested. After this tax-withholding event, he held 226,771 shares of Allegro common stock directly. This reflects routine administration of stock-based compensation rather than an open-market sale.
Allegro MicroSystems, Inc. disclosed that its SVP, GC and Secretary, Sharon S. Briansky, sold 27,873 shares of common stock on 12/10/2025 at $30 per share. After this disposition, she beneficially owned 121,263 shares directly.
The transaction was carried out under a Rule 10b5-1 trading plan adopted on August 4, 2025, with details of that plan previously described in the company’s Quarterly Report on Form 10-Q for the period ended September 26, 2025, which was filed on October 31, 2025.
Allegro MicroSystems (ALGM) disclosed a Form 4 showing an equity award to an executive. The reporting person, an officer titled SVP, General Manager, Products, received 73,530 Restricted Stock Units (RSUs) on November 11, 2025.
Each RSU represents the right to receive one share of common stock. The RSUs vest in three equal annual installments on May 16, 2026, May 16, 2027, and May 16, 2028. The transaction price is listed as $0 for the RSU award. Following the reported transaction, the officer beneficially owned 73,530 common shares directly.