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Avidia Bancorp (AVBC) Form 4 Filings

AVBC NYSE

Every Form 4 that Avidia Bancorp, Inc. (AVBC) 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 AVBC 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 AVBC filings page.

Rhea-AI Summary

Avidia Bancorp, Inc. President & CEO Robert D. Cozzone received 192,000 shares of restricted stock and 468,000 stock options on October 13, 2026. His directly held common stock totaled 193,000 shares after the restricted-stock award. The options have a $21.95 exercise price, an October 13, 2027 exercise date and an October 13, 2036 expiration date. He also reported indirect holdings of 1,096 shares through an ESOP and 67,878 shares through a 401(k).

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) reported that Thomas Doane, EVP- Human Resources, received 32,000 shares of restricted stock and stock options covering 80,000 shares on October 13, 2026. Both awards vest at a rate of 20% per year commencing October 13, 2027; the options have a $21.95 exercise price and expire October 13, 2036.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) EVP- Consumer Banking Donald J. Frost III received 36,000 shares of restricted stock and 90,000 stock options on October 13, 2026. The options cover 90,000 common shares and have a $21.95 exercise price. Both awards vest at a rate of 20% per year beginning October 13, 2027. Frost also reported indirect common-stock holdings of 20,160 shares through a 401(k) and 1,096 shares through an ESOP.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) reported that EVP and Chief Admin Officer Barry H. Jensen received a restricted-stock award of 32,000 shares and stock options covering 80,000 common shares on October 13, 2026. The options carry a $21.95 exercise price and expire October 13, 2036. Jensen held 74,000 common shares directly after the restricted-stock award.

Rhea-AI Summary

Avidia Bancorp, Inc. EVP and CRO Nicolas Karmelek received awards of 32,000 shares of restricted stock and 80,000 stock options on October 13, 2026. His direct common-stock holdings following the restricted-stock award were 39,727 shares. The reported indirect holdings included 22,316 shares through a 401(k) and 1,096 shares through an ESOP.

The restricted stock and options vest at a rate of 20% per year beginning October 13, 2027.

Rhea-AI Summary

Avidia Bancorp, Inc. CFO and Treasurer Jonathan Michael Nelson received 76,000 shares of restricted stock and 190,000 stock options on October 13, 2026. Both awards vest at 20% per year beginning October 13, 2027. The options have a $21.95 exercise price and expire October 13, 2036. After the awards, he directly held 95,045 shares of common stock and 190,000 options; 22,550 common shares were listed as held indirectly through his 401(k).

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) director Micheal Neil Flanigan reported three sales on September 18, 2026, totaling 5,000 common shares held indirectly by an LLP. The sales were 1,500 shares at $22.3501, 1,300 at $22.3319, and 2,200 at $22.3326 per share; no Rule 10b5-1 plan is reported. Post-transaction positions listed on September 18, 2026, include 20,076 directly held common shares, 24,500 shares by IRA, 13,334 by LLC, and 1,000 by brother. The report also lists directly held options covering 50,190 common shares, with a $22.2900 exercise price and a September 16, 2036 expiration.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) director and Chairman of the Board Michael Dennis Murphy reported equity awards on September 16, 2026. He received 50,190 stock options with an exercise price of $22.29 per share and a 20,076-share restricted stock award, both vesting 20% per year starting September 16, 2027.

After these awards he directly holds 69,076 shares of common stock. Additional indirect holdings are reported through a spouse, an LLC, and a spouse’s IRA. No Rule 10b5-1 trading plan is reported for these transactions.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) director Leland Jeffrey B received equity awards on September 16, 2026. He was granted 20,076 shares of restricted common stock, which vest 20% per year starting September 16, 2027. He also received 50,190 stock options for common stock at an exercise price of $22.29 per share, vesting 20% per year from the same date and expiring on September 16, 2036.

After these awards, he holds 24,576 common shares directly, plus 6,617 shares held by a trust and 18,300 shares held in his spouse’s 401(k), in addition to the new option grant.

Rhea-AI Summary

Avidia Bancorp, Inc. (symbol: AVBC) is the issuer of record for a Form 4 filing submitted to the SEC. Grimaldo Joseph F reported acquisition or exercise transactions in this Form 4 filing.

Avidia Bancorp, Inc. (AVBC) director Joseph F. Grimaldo received equity awards on September 16, 2026. He was granted 20,076 shares of restricted common stock and 50,190 stock options exercisable at $22.29 per share. Both the restricted stock and options vest 20% per year commencing on September 16, 2027. After these awards, he holds 20,076 common shares directly, plus indirect holdings of 49,655 shares by trust and 20,000 shares by his spouse's trust, and 50,190 options.

Rhea-AI Summary

Avidia Bancorp, Inc. (symbol: AVBC) is the issuer of record for a Form 4 filing submitted to the SEC. Girard Michael R reported acquisition or exercise transactions in this Form 4 filing.

Avidia Bancorp, Inc. (AVBC) director Michael R. Girard reported awards of both stock options and restricted common stock. On September 16, 2026 he received 50,190 stock options exercisable at $22.29 per share, expiring September 16, 2036, covering 50,190 shares of common stock.

On the same date he was also granted 20,076 shares of restricted common stock. The restricted shares and the options each vest at a rate of 20% per year commencing on September 16, 2027. Following these awards, he also reports indirect ownership of 975 common shares held by a Roth IRA.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) director Michael O. Gilles reported equity compensation awards on September 16, 2026. He received 20,076 shares of restricted common stock, vesting 20% per year commencing on September 16, 2027, and stock options for 50,190 shares at an exercise price of $22.29, also vesting 20% per year from September 16, 2027 and expiring September 16, 2036. Following these awards, he holds 46,172 common shares directly, plus indirect holdings through an IRA, spouse, and as custodian for a grandchild, and 50,190 stock options; no Rule 10b5-1 trading plan is reported.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) director Carol V. Gallagher reported equity awards on September 16, 2026. She received 20,076 shares of restricted common stock, increasing her direct common stock holdings to 30,576 shares, and a grant of 50,190 stock options with a $22.29 exercise price.

Both the restricted shares and the options vest at 20% per year starting on September 16, 2027, and the options expire on September 16, 2036. No trades were reported under a pre-arranged Rule 10b5-1 trading plan.

Rhea-AI Summary

Avidia Bancorp, Inc. director Micheal Neil Flanigan reported equity awards and updated holdings. On September 16, 2026 he received 20,076 shares of restricted common stock and options for 50,190 shares of common stock at an exercise price of $22.29, all held directly.

The restricted shares and options each vest at 20% per year beginning September 16, 2027. Following these awards he holds 20,076 common shares directly, plus indirect holdings of 24,500 shares in an IRA, 13,334 shares through an LLC, and 5,000 shares through an LLP. No Rule 10b5-1 trading plan is reported for these awards.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) director Vanessa Candela reported equity compensation awards on September 16, 2026. She received 20,076 shares of restricted common stock, giving her 20,176 common shares held directly after the award, and 50,190 stock options with an exercise price of $22.29 per share.

The restricted shares and options each vest 20% per year starting September 16, 2027, providing time-based, multi-year incentive alignment. No Rule 10b5-1 trading plan is reported for these awards.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) director Paul Blazar reported equity awards on September 16, 2026. He received 20,076 shares of restricted common stock and 50,190 stock options to acquire common stock at an exercise price of $22.29 per share, expiring September 16, 2036. The restricted shares and options each vest 20% per year commencing on September 16, 2027. Following the restricted stock grant, he held 49,411 common shares directly. No Rule 10b5-1 trading plan is reported.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) reported that director James N. Ball received equity-based awards on September 16, 2026. He was granted 50,190 stock options, each exercisable for one share of common stock at an exercise price of $22.29 per share, expiring September 16, 2036. He also received a grant of 20,076 shares of restricted common stock. Both the restricted shares and the options vest at a rate of 20% per year commencing on September 16, 2027. Following these awards, he holds 20,076 shares directly and 50,000 shares indirectly through an IRA, in addition to the newly granted options.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) reported that director Saul Kennedy O received equity awards on September 16, 2026. He was granted 20,076 shares of restricted common stock and 50,190 stock options with an exercise price of $22.29 per share, all held directly. Both the restricted shares and the options vest at a rate of 20% per year commencing on September 16, 2027, and the options expire on September 16, 2036. Following the grant, he directly owns 30,126 shares of common stock. No Rule 10b5-1 trading plan is reported.

Rhea-AI Summary

Avidia Bancorp, Inc. (symbol: AVBC) is the issuer of record for a Form 4 filing submitted to the SEC. O'Connell Mark reported acquisition or exercise transactions in this Form 4 filing.

Avidia Bancorp, Inc. (AVBC) director Mark O'Connell reported equity compensation awards on September 16, 2026. He received 20,076 shares of restricted common stock and a grant of 50,190 stock options exercisable at $22.29 per share, both vesting at 20% per year starting September 16, 2027. After the grant, he directly held 50,076 common shares and 50,190 options. No Rule 10b5-1 trading plan is reported for these awards.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) director and Chairman of the Board Michael Dennis Murphy reported an open‑market purchase of 5,000 shares of Common Stock on September 14, 2026 at $22.12 per share, held indirectly through his spouse. That spouse account now holds 6,850 shares. On the same date, Murphy also reported 49,000 shares held directly, 20,000 shares held indirectly through an LLC, and 7,230 shares held indirectly through his spouse’s IRA.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) reports that its CFO and Treasurer, Jonathan Michael Nelson, purchased 4,500 shares of common stock on September 3, 2026 in an open-market or private transaction at $22.19 per share. Following this purchase, he holds 19,045 shares directly and 22,378 shares indirectly through a 401(k). No Rule 10b5-1 trading plan is reported.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) director Joseph F. Grimaldo reported purchasing 5,000 shares of common stock on 2026-08-26 in an open-market or private transaction at $22.0175 per share, held indirectly by a trust. After this purchase, that trust holds 49,655 shares, and a separate indirect holding listed as “By Spouse's Trust” holds 20,000 shares.

Rhea-AI Summary

Avidia Bancorp, Inc. (AVBC) executive Thomas Doane, EVP–Human Resources, reported a purchase of 1,726 shares of common stock on 2026-08-17 at $22.31 per share, held indirectly through a 401(k) plan, bringing that 401(k) position to 19,422 shares. He also reports 141 shares held directly and 1,096 shares held indirectly through an ESOP.

Rhea-AI Summary

Avidia Bancorp, Inc. director Saul Kennedy O reported multiple open-market purchases of the company’s Common Stock. On 2026-08-11, he executed six non-derivative purchase transactions totaling 5,900 shares at per-share prices ranging from $21.61 to $21.67, all held as direct ownership. The filing’s Rule 10b5-1 checkbox indicates these trades were not made under a trading plan.

Rhea-AI Summary

Avidia Bancorp, Inc. director Joseph F. Grimaldo reported a purchase of 4,655 shares of common stock on 2026-08-11 at $21.4364 per share. The acquired shares are held indirectly "By Trust", bringing that trust’s holdings to 44,655 shares. A separate indirect holding of 20,000 shares is reported as owned "By Spouse's Trust".

Rhea-AI Summary

Avidia Bancorp, Inc. executive Nicolas Karmelek, EVP and CRO, reported two open-market purchases of Common Stock. He bought 19 shares on 2026-05-27 at $19.08 per share and 14 shares on 2026-02-25 at $18.92 per share, for a total of 33 shares.

He also reports indirect holdings of 22,110 shares of Common Stock held by a 401(k) plan and 1,096 shares held by an ESOP, both as of 2026-02-25, with the 401(k) balance reflecting transactions not required to be reported under Section 16.

Rhea-AI Summary

Avidia Bancorp, Inc. director GILLES MICHAEL O reported open-market or private purchases of a total of 3,000 shares of common stock on 2026-05-15, in three 1,000-share lots at $19.1205, $19.1700, and $18.9160 per share. Following these trades, holdings stood at 26,096 shares held directly, 20,000 shares held indirectly via an IRA, and 5,000 shares held indirectly by a spouse, plus an additional 1,300 shares reported as held indirectly as custodian for a grandchild. The Rule 10b5-1 trading-plan checkbox was not marked.

Rhea-AI Summary

Avidia Bancorp, Inc. CFO and Treasurer Jonathan Michael Nelson reported a new open-market purchase of common stock. On June 3, 2026, he bought 1,065 shares at $18.8999 per share. After this transaction, he directly owns 14,545 shares and indirectly holds 22,378 shares through a 401(k) plan.

Rhea-AI Summary

Avidia Bancorp, Inc. President & CEO Robert D. Cozzone reported an open-market purchase of 2,128 shares of common stock at $18.80 per share, acquired indirectly through a 401(k) plan. Following this transaction, the 401(k) holding stands at 67,357 shares of Avidia Bancorp common stock.

The Form 4 also shows 1,096 shares held indirectly through an ESOP and 1,000 shares held directly, giving investors a clearer view of Cozzone’s overall equity position in the company.

Rhea-AI Summary

Avidia Bancorp EVP and Chief Admin Officer Barry H. Jensen reported an open-market purchase of 500 shares of Avidia Bancorp common stock at $18.88 per share. After this transaction, he directly holds 42,000 common shares, with additional indirect holdings of 1,096 shares through an ESOP and 100 shares through an LLC.

Rhea-AI Summary

Avidia Bancorp, Inc. director Michael O. Gilles reported open-market purchases of a total of 5,000 shares of common stock. He bought 1,000 shares directly on May 14, 2026 at $19.50 per share, increasing his direct holdings to 25,096 shares. On May 13, 2026, 1,000 shares were purchased at $19.4961 per share and 3,000 shares at $19.50 per share through indirect accounts listed as "By Spouse" and "By IRA." The filing also shows 1,300 indirectly held shares as custodian for a grandchild.

Rhea-AI Summary

Avidia Bancorp, Inc. executive Barry H. Jensen, EVP and Chief Admin Officer, reported an open‑market purchase of 500 shares of common stock at $19.26 per share. Following this transaction, he directly holds 41,500 shares. He also has indirect holdings of 1,096 shares through an ESOP and 100 shares through an LLC.

Rhea-AI Summary

Avidia Bancorp, Inc. President & CEO Robert D. Cozzone reported an open-market purchase of 2,023 shares of common stock at $19.7678 per share through a 401(k) plan, increasing that indirect position to 65,229 shares. He also reported 1,096 shares held indirectly via an ESOP and 1,000 shares held directly, with certain related activity described as not required to be reported under Section 16.

Rhea-AI Summary

Avidia Bancorp, Inc. executive Barry H. Jensen, EVP and Chief Administrative Officer, reported an open-market purchase of 1,000 shares of Common Stock. The shares were bought at a price of $20.19 per share on May 8, 2026. After this purchase, Jensen directly holds 41,000 shares. He also has indirect holdings reported as 1,096 shares through an ESOP and 100 shares through an LLC.

Rhea-AI Summary

Avidia Bancorp, Inc. executive vice president and chief risk officer Nicolas Karmelek reported an open-market purchase of 1,209 shares of common stock at $20.76 per share on April 28, 2026. Following this transaction, his directly held stake increased to 7,694 shares.

The filing also shows indirect ownership of 1,096 shares held through an ESOP and 21,871 shares held through a 401(k) plan, described as transactions not required to be reported under Section 16. No derivative securities are listed as outstanding in this filing.

Rhea-AI Summary

Avidia Bancorp, Inc. executive Nicolas Karmelek, EVP and Chief Risk Officer, made an open-market purchase of Common Stock. He bought 1,220 shares at $20.76 per share, bringing his direct holdings to 7,705 shares.

The filing also shows indirect holdings of 1,096 shares held by an ESOP and 21,871 shares held in a 401(k) plan. A footnote explains that related plan transactions were not required to be reported under Section 16, indicating these entries primarily update his reported indirect ownership.

Rhea-AI Summary

Avidia Bancorp, Inc. executive Barry H. Jensen, EVP and Chief Admin Officer, bought 1,000 shares of common stock in an open-market transaction at $20.30 per share. After this purchase, he directly holds 40,000 common shares.

The Form 4 also shows indirect holdings, including 1,096 shares held through an ESOP and 100 shares held through an LLC. A footnote notes these ESOP and LLC entries reflect transactions not required to be reported under Section 16 of the Securities Act of 1934.

Rhea-AI Summary

Michael Dennis Murphy, Chairman of the Board of Avidia Bancorp, Inc., reported an insider purchase of company stock. On April 28, 2026, an account attributed to his spouse bought 1,850 shares of Avidia Bancorp common stock in an open-market transaction at $20.94 per share, reported as indirect ownership.

After this trade, the filing shows 1,850 shares held indirectly by his spouse, 7,230 shares held indirectly through his spouse's IRA, 20,000 shares held indirectly through an LLC, and 49,000 shares held directly in his own name.

Rhea-AI Summary

Avidia Bancorp, Inc. executive vice president of human resources Thomas Doane reported an open-market purchase of common stock through a retirement plan. On April 28, 2026, a 401(k) account associated with him bought 2,040 shares of Avidia Bancorp at $21.16 per share.

After this transaction, that 401(k) plan held 17,495 shares of common stock indirectly for him. Separate entries show 1,096 shares held indirectly through an ESOP and 141 shares held directly in his own name, based on the positions reported as of the same date.

Rhea-AI Summary

Avidia Bancorp, Inc. director James N. Ball reported an open-market purchase of 5,000 shares of common stock on April 27, 2026 at a price of $20.60 per share. The shares are held indirectly through an IRA, bringing his reported indirect holdings to 50,000 shares of Avidia Bancorp common stock.

Rhea-AI Summary

Avidia Bancorp, Inc. executive Bartholomew H. Murphy Jr., EVP & Chief Operating Officer, bought 1,500 shares of Common Stock in an open-market transaction at $19.15 per share. After the purchase, he directly owns 23,000 shares and also reports indirect holdings through an IRA, spouse, and spouse’s IRA.

Rhea-AI Summary

Avidia Bancorp, Inc. executive Bartholomew H. Murphy Jr., EVP & Chief Operating Officer, reported an open-market purchase of Avidia Bancorp common stock. On this Form 4, an account held as his spouse's IRA bought 440 shares at a price of $18.62 per share.

Following this transaction, that spouse's IRA held a total of 10,440 shares of common stock indirectly attributed to Murphy. The filing also lists additional direct and other indirect common stock holdings for Murphy as of the same date.

Rhea-AI Summary

Avidia Bancorp, Inc. director Michael R. Girard reported an open-market purchase of 450 shares of common stock at $18.802 per share. The shares are held indirectly through a Roth IRA, bringing his reported indirect holdings in this account to 975 shares after the transaction.

Rhea-AI Summary

Avidia Bancorp, Inc. executive Barry H. Jensen, EVP and Chief Admin Officer, bought 1,000 shares of common stock in an open-market purchase at $18.69 per share. Following this transaction, he holds 39,000 common shares directly and 100 shares indirectly through an LLC.

Rhea-AI Summary

Avidia Bancorp, Inc. executive Bartholomew H. Murphy Jr., EVP & Chief Operating Officer, bought 1,500 shares of common stock in an open-market purchase on 2026-03-09 at an average price of $19.0899 per share. After this trade, he directly owns 21,500 shares. Separate from this, filings show indirect holdings of 20,000 shares in an IRA, 6,000 shares held by his spouse, and 10,000 shares in his spouse’s IRA.

Rhea-AI Summary

Avidia Bancorp, Inc. CFO and Treasurer Jonathan Michael Nelson reported an open-market purchase of 2,579 shares of common stock on March 9 2026 at an average price of $19.3891 per share through a 401(k) plan.

Following this transaction, his indirect holdings via the 401(k) total 22,378 shares of common stock, alongside separate direct ownership of 13,480 shares.

Rhea-AI Summary

Avidia Bancorp, Inc. President & CEO Robert D. Cozzone reported an indirect open-market purchase of 1,064 shares of common stock at $18.79 per share through a 401(k) account. Following this transaction, his indirectly held balance through the 401(k) is 63,206 shares, in addition to 1,000 shares held directly.

Rhea-AI Summary

Avidia Bancorp, Inc. executive Nicolas Karmelek, EVP and Chief Risk Officer, bought 1,090 shares of common stock in an open-market purchase at $18.59 per share. After this transaction, he directly owned 6,485 shares and also indirectly held 21,137 shares through a 401(k) plan.

Rhea-AI Summary

Avidia Bancorp, Inc. executive Barry H. Jensen, EVP and Chief Admin Officer, bought a total of 2,000 shares of Common Stock in open-market purchases on February 23, 2026, at prices of $18.65 and $18.77 per share. After these transactions, he directly owns 38,000 shares and indirectly holds 100 shares through an LLC.

Rhea-AI Summary

Avidia Bancorp, Inc. reported an insider share purchase by its President & CEO, Robert D. Cozzone. On 02/11/2026, he made an open-market purchase of 2,582 shares of common stock at $19.3624 per share through a 401(k) plan, held as indirect ownership.

Following this transaction, Cozzone beneficially owned 62,142 shares indirectly via the 401(k). The filing also shows a separate direct holding of 1,000 common shares in his own name.