Every Form 4 that Avidia Bancorp (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.
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.
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.
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.
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.
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".
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Avidia Bancorp executive Jensen Barry H, EVP and Chief Admin Officer, reported an open-market purchase of 1,000 shares of Avidia Bancorp, Inc. common stock on February 11, 2026 at $18.95 per share. After this transaction, he directly beneficially owns 36,000 common shares and indirectly holds 100 shares through an LLC.
Avidia Bancorp, Inc. executive vice president and chief administrative officer reported buying 2,500 shares of the company’s common stock on December 17, 2025 at a price of $17.0695 per share. This personal share purchase increases the insider’s direct ownership to 35,000 shares. The report also shows an additional 100 shares held indirectly through an LLC.
Avidia Bancorp, Inc. reported an insider transaction involving its Chairman of the Board, who is also a director. On 12/01/2025, an indirect purchase of 6,230 shares of Avidia Bancorp common stock was made at a price of $15.9986 per share through the reporting person’s spouse’s IRA. After this transaction, the spouse’s IRA held 7,230 shares indirectly, while the reporting person also held 49,000 shares directly and 20,000 shares indirectly through an LLC.
Avidia Bancorp, Inc. (AVBC) director reports a common stock purchase. On 12/01/2025, the reporting person acquired 5,000 shares of Avidia Bancorp common stock in an open market purchase coded "P". The shares were bought at a price of $16.1312 per share and are held indirectly through an IRA account. Following this transaction, the director beneficially owns 45,000 shares of Avidia Bancorp common stock indirectly via the IRA.
Avidia Bancorp, Inc. (AVBC) reported an insider stock purchase by its CFO and Treasurer on a Form 4. On 11/24/2025, the officer bought 3,245 shares of common stock at $15.41 per share in a 401(k) plan, coded as a purchase transaction. After this trade, the officer beneficially owned 19,799 shares indirectly through a 401(k) and 13,480 shares directly. The filing reflects a personal increase in ownership rather than a company-level capital raise.
Avidia Bancorp, Inc. (AVBC) reported an insider purchase by its President & CEO and director. On 11/21/2025, the reporting person acquired 3,261 shares of AVBC common stock, coded as a purchase, at a price of $15.3339 per share through a 401(k) plan. Following this transaction, the individual beneficially owned 59,560 shares indirectly through the 401(k) and 1,000 shares directly.
Avidia Bancorp, Inc. (AVBC) director reported a small open-market purchase of company stock. On 11/18/2025, the reporting person acquired 525 shares of common stock at a price of $14.965 per share. After this transaction, the filing shows the director beneficially owning 525 shares held indirectly through a Roth IRA. This Form 4 reflects an insider increasing personal exposure to Avidia Bancorp through retirement-account holdings.
Avidia Bancorp, Inc. (AVBC) executive vice president and chief administrative officer reported open-market purchases of company stock. On 11/18/2025, the officer bought 408 shares of common stock at $14.92 per share and an additional 2,092 shares at $14.9299 per share. After these transactions, the officer directly holds 32,500 common shares and indirectly holds 100 shares through an LLC.
Avidia Bancorp (AVBC) insider activity: On 11/13/2025, the EVP and Chief Admin Officer reported an open‑market purchase of 5,000 shares of Common Stock at $15.2449 per share (Transaction Code P).
Following this transaction, the reporting person beneficially owns 30,000 shares directly and 100 shares indirectly through an LLC. The filing was made by one reporting person.
Avidia Bancorp (AVBC) reported insider activity by its President & CEO and Director. On 11/10/2025, the reporting person purchased 3,240 shares of common stock at $15.4331 per share. After this transaction, 56,299 shares were beneficially owned indirectly through a 401(k). The filing was made by one reporting person.
Avidia Bancorp, Inc. (AVBC) reported insider share purchases on a Form 4. A director who also serves as Chairman of the Board bought common stock in open‑market transactions: 6,500 shares at $15.125 on 11/05/2025, 1,000 shares at $15.10 on 11/06/2025, and 2,500 shares at $15.105 on 11/07/2025.
Following these trades, beneficial ownership is listed as 49,000 shares direct, plus 1,000 shares indirect by spouse’s IRA and 20,000 shares indirect by LLC. No derivative securities were reported.
Avidia Bancorp (AVBC) Form 4: The company’s President & CEO and Director reported a purchase of 3,277 shares of common stock on 11/05/2025 at $15.2597 per share. Following the transaction, beneficial holdings were listed as 53,059 shares held indirectly by a 401(k) and 1,000 shares held directly. This filing documents insider accumulation and updates the executive’s reported ownership balances.
Avidia Bancorp, Inc. (AVBC) reported an insider purchase by its President & CEO and Director. On 11/03/2025, the executive acquired 3,310 shares of common stock at $15.1045 per share, recorded as an indirect holding via a 401(k).
Following the transaction, the filing lists 49,782 shares beneficially owned indirectly through the 401(k). The insider also holds 1,000 shares directly.
Avidia Bancorp, Inc. (AVBC) executive reported an open‑market purchase of common stock. On 10/31/2025, the EVP and Chief Admin Officer bought 293 shares at $14.78 and 2,207 shares at $14.99 (transaction code P). Following these trades, the officer beneficially owned 25,000 shares directly and 100 shares indirectly through an LLC.
Avidia Bancorp (AVBC) insider activity: the company’s President & CEO, who is also a Director, reported an open‑market purchase of 3,325 shares of common stock on 10/30/2025 at a price of $15.0336 per share. Following this transaction, the filing shows 46,472 shares held indirectly via a 401(k) and 1,000 shares held directly.
Avidia Bancorp (AVBC) reported an insider purchase. The EVP and Chief Admin Officer bought 2,500 shares of common stock on 10/30/2025 at $15 per share (transaction code P).
Following this trade, the reporting person directly beneficially owns 22,500 shares. An additional 100 shares are held indirectly through an LLC.
Avidia Bancorp, Inc. President and CEO Robert D. Cozzone reported an open-market purchase of 3,130 shares of common stock on 09/18/2025 at an average price of $15.9702 per share. After this transaction, he indirectly owns 43,147 shares through a 401(k) plan and directly holds 1,000 shares.
Barry H. Jensen, listed as an EVP and Chief Admin Officer and a director of Avidia Bancorp (AVBC), reported a personal transaction on 09/18/2025. He purchased 2,500 shares of Avidia common stock at a price of $15.85 per share. After the transaction he beneficially owns 20,000 shares directly and 100 shares indirectly through an LLC. The Form 4 was signed under power of attorney on 09/19/2025.