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Ribbon Communications Insider Increases Stake to 153,711 Shares in June 2025 Filing

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

Rhea-AI Filing Summary

Form 4 Overview – Ribbon Communications Inc. (RBBN)

Director Shaul Shani reported two equity transactions dated 16-17 June 2025:

  • Grant of 42,500 Restricted Stock Units (RSUs) on 16 Jun 2025 (Code A). These RSUs vest on 16 Jun 2026, or earlier at the 2026 annual meeting if the director is not re-elected.
  • Conversion of 48,365 fully-vested RSUs into common shares on 17 Jun 2025 (Code M). The underlying RSUs were originally awarded on 17 Jun 2024 and vested in full after one year.

Following these transactions, Shani’s direct common-stock ownership increased to 153,711 shares, and he now holds 42,500 unvested RSUs that can settle one-for-one into additional common shares when vested. No open-market purchases or sales were reported, and all exercises were priced at $0, consistent with RSU settlements.

Because the filing reflects routine equity-compensation activity without any disposition of shares for cash, it is unlikely to have a material effect on Ribbon Communications’ near-term fundamentals or share-float dynamics. Nevertheless, the director’s larger share position marginally tightens equity alignment with public shareholders.

Positive

  • None.

Negative

  • None.

Insights

TL;DR – Routine RSU grant and vest; no shares sold, ownership now 153.7k.

The report shows ordinary board-level compensation mechanics: 42.5k new RSUs granted, 48.4k previously granted RSUs converted to equity. All transactions are non-cash and do not affect the company’s P&L or cash flow. They do slightly increase the free-float but only by 0.06% of the ~262 million shares outstanding, an immaterial dilution. Absence of dispositions avoids negative signaling. Overall, this is a neutral governance update with limited investment impact.

Insider SHANI SHAUL
Role Director
Type Security Shares Price Value
Exercise RSUs 48,365 $0.00 --
Exercise Common Stock 48,365 $0.00 --
Grant/Award Restricted Stock Units (RSUs) 42,500 $0.00 --
Holdings After Transaction: RSUs — 0 shares (Direct); Common Stock — 153,711 shares (Direct); Restricted Stock Units (RSUs) — 42,500 shares (Direct)
Footnotes (1)
  1. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest on June 16, 2026, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2026 Annual Meeting of Stockholders (the "2026 Annual Meeting") occurs prior to June 16, 2026, and, at such 2026 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2026 Annual Meeting. The RSUs were awarded on June 17, 2024 and vested in full on June 17, 2025.
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED 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*
SHANI SHAUL
(Last) (First) (Middle)
C/O RIBBON COMMUNICATIONS
6500 CHASE OAKS BLVD.
(Street)
PLANO TX 75023
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Ribbon Communications Inc. [ RBBN ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
06/16/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Common Stock 06/17/2025 M 48,365 A (1) 153,711 D
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (RSUs) (1) 06/16/2025 A 42,500 (2) (2) Common Stock 42,500 $0 42,500 D
RSUs (1) 06/17/2025 M 48,365 (3) (3) Common Stock 48,365 $0 0 D
Explanation of Responses:
1. Each RSU represents a contingent right to receive one share of the Issuer's common stock.
2. The RSUs will vest on June 16, 2026, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2026 Annual Meeting of Stockholders (the "2026 Annual Meeting") occurs prior to June 16, 2026, and, at such 2026 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2026 Annual Meeting.
3. The RSUs were awarded on June 17, 2024 and vested in full on June 17, 2025.
Patrick Macken, BY POA from Shaul Shani 06/18/2025
** Signature of Reporting Person Date
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.

Source: View Original Filing on SEC EDGAR

FAQ

How many shares of RBBN does Director Shaul Shani own after the Form 4?

153,711 common shares are held directly following the reported transactions.

What new equity award did Shaul Shani receive from Ribbon Communications?

He received 42,500 Restricted Stock Units on 16 Jun 2025.

When will the newly granted RSUs vest?

They vest on 16 Jun 2026, or earlier at the 2026 Annual Meeting if Shani is not re-elected.

Did the insider sell any Ribbon Communications shares in this filing?

No. The filing shows only a grant and an RSU conversion; no sales were reported.

How many RSUs were converted into shares on 17 Jun 2025?

48,365 RSUs were converted into common stock at a $0 exercise price.