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Company

Avidia Bancorp, Inc.

AVBC · CIK 0002058758

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person O'Connell Mark · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030654 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person Saul Kennedy O · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030655 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person BALL JAMES N · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030656 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person Blazar Paul · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030657 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person Candela Vanessa · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030658 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person Flanigan Micheal Neil · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030659 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person Gallagher Carol V · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030660 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person GILLES MICHAEL O · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030661 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person Girard Michael R · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030662 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person Grimaldo Joseph F · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030663 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person Leland Jeffrey B · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030664 · filed 2026-09-17 · View filing →

SEC FORM 4
$0.00

Avidia Bancorp, Inc. (AVBC)

Acquisition (code A) of 20,076 shares at $0 per share.

Reporting Person Murphy Michael Dennis · Transaction Code A

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001437749-26-030665 · filed 2026-09-17 · View filing →

SEC FORM 4
$110,600.00

Avidia Bancorp, Inc. (AVBC)

Purchase of 5,000 shares at $22.12 per share.

Reporting Person Murphy Michael Dennis · Transaction Code P

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0001437749-26-030507 · filed 2026-09-16 · View filing →

SEC FORM 4
$99,855.00

Avidia Bancorp, Inc. (AVBC)

Purchase of 4,500 shares at $22.19 per share.

Reporting Person Nelson Jonathan Michael · Officer Title CFO and Treasurer · Transaction Code P

Traded Sep 3, 2026 · Disclosed Sep 3, 2026

Source: SEC Form 4 · 0001437749-26-029624 · filed 2026-09-03 · View filing →

SEC FORM 4
$110,087.50

Avidia Bancorp, Inc. (AVBC)

Purchase of 5,000 shares at $22.0175 per share.

Reporting Person Grimaldo Joseph F · Transaction Code P

Traded Aug 26, 2026 · Disclosed Aug 27, 2026

Source: SEC Form 4 · 0001437749-26-029090 · filed 2026-08-27 · View filing →

SEC FORM 4CLUSTER · 3 INSIDERS
$266,026.34

Avidia Bancorp, Inc. (AVBC)

Purchase of 12,281 shares across 3 reporting persons.

Transaction Code P · Reporting Persons 3

  • Saul Kennedy OPurchase of 4,278 shares at $21.65 per share.$92,618.70
  • Grimaldo Joseph FPurchase of 4,655 shares at $21.4364 per share.$99,786.44
  • Saul Kennedy OPurchase of 13 shares at $21.61 per share.$280.93
  • Saul Kennedy OPurchase of 513 shares at $21.62 per share.$11,091.06
  • Saul Kennedy OPurchase of 145 shares at $21.63 per share.$3,136.35
  • Saul Kennedy OPurchase of 79 shares at $21.64 per share.$1,709.56
  • Saul Kennedy OPurchase of 872 shares at $21.67 per share.$18,896.24
  • Doane Thomas, EVP- Human ResourcesPurchase of 1,726 shares at $22.31 per share.$38,507.06

Surfaced by rule: 3 distinct insiders, open-market purchases, 7-day window — a deterministic filter, not a recommendation.

Traded Aug 11, 2026 · Disclosed Aug 19, 2026FILED +8 DAYS

Source: SEC Form 4 · 0001437749-26-027263 · filed 2026-08-12 · View filing →

Source: SEC Form 4 · 0001437749-26-027261 · filed 2026-08-12 · View filing →

Source: SEC Form 4 · 0001437749-26-028474 · filed 2026-08-19 · View filing →