STOCK TITAN

Director Mario De Tomasi boosts Patriot National Bancorp (PNBK) stake with open-market buy

Filing Impact
(Moderate)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

PATRIOT NATIONAL BANCORP INC director Mario De Tomasi reported an open-market purchase of common stock. On May 20, 2026, he bought 87,719 shares at an average price of $1.15 per share, bringing his direct common stock holdings to 102,719 shares.

The filing also notes a prior equity award. On July 1, 2025, he was granted 66,667 Restricted Stock Units tied to an equal number of common shares. These RSUs vest in three annual installments of 22,222, 22,222 and 22,223 units on July 1 of 2026, 2027 and 2028.

Positive

  • None.

Negative

  • None.
Insider De Tomasi Mario
Role null
Bought 87,719 shs ($101K)
Type Security Shares Price Value
Purchase Common Stock 87,719 $1.15 $101K
Grant/Award Restricted Stock Units 66,667 $0.00 --
Holdings After Transaction: Common Stock — 102,719 shares (Direct, null); Restricted Stock Units — 66,667 shares (Direct, null)
Footnotes (1)
  1. On May 20, 2026, the Reporting Person purchased 87,719 shares of the Issuer's common stock on the open market at an average price of $1.15 per share. On July 1, 2025, the Reporting Person was granted Restricted Stock Units ("RSUs") equal to 66,667 shares of Common Stock of the Issuer, which will vest over 3 years (22,222 shares, 22,222 shares, and 22,223 shares respectively as of July 1, 2026, 2027 and 2028).
Open-market purchase shares 87,719 shares Common Stock bought on May 20, 2026
Purchase price $1.15 per share Average price for May 20, 2026 open-market buy
Shares owned after purchase 102,719 shares Direct common stock holdings following transaction
RSU grant size 66,667 RSUs Restricted Stock Units granted on July 1, 2025
RSU vesting 2026 22,222 RSUs Tranche vesting on July 1, 2026
RSU vesting 2027 22,222 RSUs Tranche vesting on July 1, 2027
RSU vesting 2028 22,223 RSUs Final tranche vesting on July 1, 2028
Restricted Stock Units financial
"the Reporting Person was granted Restricted Stock Units ("RSUs") equal to 66,667 shares"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
open market financial
"purchased 87,719 shares of the Issuer's common stock on the open market"
An open market is a system where buying and selling of goods, services, or financial assets happen freely without restrictions or special controls. For investors, it means they can trade assets easily and quickly, which helps determine fair prices based on supply and demand. This environment encourages transparency and competition, making it easier to buy or sell with confidence.
grant, award, or other acquisition financial
"transaction_code_description: Grant, award, or other acquisition"
derivative financial
"transaction_type: derivative for the Restricted Stock Units"
A derivative is a financial contract whose value depends on the price or performance of another asset or measure — for example a stock, index, interest rate, commodity, or currency. Investors use derivatives like insurance or leveraged bets to hedge risk, speculate, or gain exposure without owning the underlying asset; they can protect portfolios but also amplify losses and introduce counterparty and market risk.
vest financial
"RSUs ... will vest over 3 years (22,222 shares, 22,222 shares, and 22,223 shares"
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
De Tomasi Mario

(Last)(First)(Middle)
C/O PATRIOT NATIONAL BANCORP, INC.
900 BEDFORD STREET

(Street)
STAMFORD CONNECTICUT 06901

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
PATRIOT NATIONAL BANCORP INC [ PNBK ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/01/2025
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/20/2026P(1)87,719(1)A$1.15(1)102,719D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units$007/01/2025A66,667(2)07/01/2026(2)07/01/2028(2)Common Stock66,667(2)$066,667D
Explanation of Responses:
1. On May 20, 2026, the Reporting Person purchased 87,719 shares of the Issuer's common stock on the open market at an average price of $1.15 per share.
2. On July 1, 2025, the Reporting Person was granted Restricted Stock Units ("RSUs") equal to 66,667 shares of Common Stock of the Issuer, which will vest over 3 years (22,222 shares, 22,222 shares, and 22,223 shares respectively as of July 1, 2026, 2027 and 2028).
/s/ Mario De Tomasi05/22/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did PNBK director Mario De Tomasi report?

Mario De Tomasi reported buying 87,719 shares of Patriot National Bancorp (PNBK) common stock and receiving 66,667 Restricted Stock Units. The purchase was an open-market transaction, while the RSUs are a compensation award scheduled to vest over three years.

How many PNBK shares does Mario De Tomasi own after the latest purchase?

After the May 20, 2026 transaction, Mario De Tomasi directly owns 102,719 shares of Patriot National Bancorp (PNBK) common stock. This figure reflects his position following the open-market purchase of 87,719 shares at an average price of $1.15 per share.

At what price did Mario De Tomasi buy PNBK stock in the open market?

Mario De Tomasi purchased Patriot National Bancorp (PNBK) common stock at an average price of $1.15 per share. The Form 4 shows an open-market transaction on May 20, 2026 covering 87,719 shares at this average purchase price.

What Restricted Stock Units were granted to Mario De Tomasi at PNBK?

Mario De Tomasi was granted 66,667 Restricted Stock Units (RSUs) for Patriot National Bancorp (PNBK) on July 1, 2025. These RSUs represent the right to receive an equal number of common shares as they vest over a specified three-year schedule.

How do Mario De Tomasi’s PNBK RSUs vest over time?

The 66,667 Patriot National Bancorp (PNBK) RSUs granted to Mario De Tomasi vest in three annual tranches. The schedule is 22,222 RSUs on July 1, 2026, 22,222 RSUs on July 1, 2027, and 22,223 RSUs on July 1, 2028, subject to applicable conditions.

Are Mario De Tomasi’s PNBK RSUs linked to common stock?

Yes. The 66,667 Restricted Stock Units granted to Mario De Tomasi at Patriot National Bancorp (PNBK) are equal to 66,667 shares of common stock. As each tranche vests, he becomes entitled to receive the corresponding number of PNBK common shares.