Ribbon COO exercises awards, shares withheld for taxes
Ribbon Communications EVP and COO Sam Bucci reported routine equity compensation activity involving RSUs and PSUs, not open-market trading.
Rhea-AI Filing Summary
Ribbon Communications EVP and COO Sam Bucci reported routine equity compensation activity involving RSUs and PSUs, not open-market trading. On April 17 and May 15, 2026, he exercised derivative awards into a total of 323,770 shares of common stock. In connection with these vestings, 173,310 shares were withheld at prices of $2.63 and $2.71 per share to cover tax obligations, as is common for stock-based compensation. Footnotes explain that the vested performance units were earned based on pre-set financial and total shareholder return goals determined by the board’s compensation committee.
Positive
- None.
Negative
- None.
Insider Trade Summary
323,770 shares exercised/converted
Exercise
18 txns
Insider
Bucci Sam
Role
EVP, Chief Operating Officer
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | PSUs | 38,578 | $0.00 | $0.00 |
| Exercise | RSUs | 52,743 | $0.00 | $0.00 |
| Exercise | RSUs | 83,335 | $0.00 | $0.00 |
| Exercise | Common Stock | 38,578 | $0.00 | $0.00 |
| Exercise Price or Tax Liability | Common Stock | 20,650 | $2.63 | $54K |
| Exercise | Common Stock | 52,743 | $0.00 | $0.00 |
| Exercise Price or Tax Liability | Common Stock | 28,233 | $2.63 | $74K |
| Exercise | Common Stock | 83,335 | $0.00 | $0.00 |
| Exercise Price or Tax Liability | Common Stock | 44,609 | $2.63 | $117K |
| Exercise | Restricted Share Units (RSUs) | 25,815 | $0.00 | $0.00 |
| Exercise | Performance Share Units (PSUs) | 42,753 | $0.00 | $0.00 |
| Exercise | PSUs | 80,546 | $0.00 | $0.00 |
| Exercise | Common Stock | 25,815 | $0.00 | $0.00 |
| Exercise Price or Tax Liability | Common Stock | 13,818 | $2.71 | $37K |
| Exercise | Common Stock | 42,753 | $0.00 | $0.00 |
| Exercise Price or Tax Liability | Common Stock | 22,884 | $2.71 | $62K |
| Exercise | Common Stock | 80,546 | $0.00 | $0.00 |
| Exercise Price or Tax Liability | Common Stock | 43,116 | $2.71 | $117K |
Holdings After Transaction:
Restricted Share Units (RSUs) — 0 contracts (Direct);
Performance Share Units (PSUs) — 0 contracts (Direct);
PSUs — 0 contracts (Direct);
RSUs — 219,407 contracts (Direct);
Common Stock — 599,271 shares (Direct)
Footnotes (8)
- F1. Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis.
- F2. Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the awards.
- F3. The RSUs were granted on April 17, 2023 and are fully vested.
- F4. The number of PSUs earned and issued upon vesting was determined based on goals (set by the Compensation Committee of the Issuer's Board of Directors (the "Compensation Committee") on an annual basis) for each of the three fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of these pre-established financial goals, 32%, 70% and 36% of the shares subject to the 2023, 2024 and 2025 financial periods, respectively, were earned and vested on April 17, 2026.
- F5. The number of PSUs earned and issued upon vesting was determined based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of a peer index of companies (set by the Compensation Committee at the time of grant) over the three fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of the pre-established TSR goal, 130% of the shares subject to the PSU award were earned and vested on April 17, 2026.
- F6. The number of PSUs earned and issued upon vesting was determined based on goals (set by the Compensation Committee on an annual basis) for each of the two fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of these pre-established financial goals, 70% and 36% of the shares subject to the 2024 and 2025 financial periods, respectively, were earned and vested on May 15, 2026.
- F7. The RSUs were granted on May 15, 2025 and vested as to one-half on May 15, 2026; the remaining one-half of the RSUs will vest in two equal semi-annual installments thereafter through May 15, 2027.
- F8. The RSUs were granted on May 15, 2025 and vested as to one-third on May 15, 2026; the remaining two-thirds of the RSUs will vest in four equal semi-annual installments thereafter through May 15, 2028.
Key Figures
Derivative shares exercised: 323,770 shares
Shares withheld for taxes: 173,310 shares
Tax withholding price (May 15, 2026): $2.63 per share
+3 more
6 metrics
Derivative shares exercised
323,770 shares
Total shares from RSU and PSU exercises reported
Shares withheld for taxes
173,310 shares
Total common shares withheld to satisfy tax obligations
Tax withholding price (May 15, 2026)
$2.63 per share
Price used for several tax-withholding dispositions
Tax withholding price (April 17, 2026)
$2.71 per share
Price used for several tax-withholding dispositions
Exercise transactions
6 exercises
Number of derivative exercise transactions (M code)
Tax-withholding transactions
6 dispositions
Number of tax-withholding dispositions (F code)
Key Terms
Restricted Share Unit (RSU), Performance Share Unit (PSU), total shareholder return (TSR), tax withholding obligations
4 terms
tax withholding obligations financial
"Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the awards."
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What did Ribbon Communications (RBBN) executive Sam Bucci report in this Form 4?
Sam Bucci reported routine equity compensation activity. He exercised RSUs and PSUs into common stock and had shares withheld to pay taxes, with no open-market purchases or sales disclosed in this Form 4.
Were Sam Bucci’s Ribbon Communications transactions open-market buys or sells?
The reported transactions were not open-market buys or sells. They were exercises of RSUs and PSUs and related tax-withholding dispositions, where shares were delivered back to the issuer to cover withholding taxes on vested awards.
What performance measures affected Sam Bucci’s PSU vesting at Ribbon Communications?
The PSU vesting depended on financial goals and total shareholder return (TSR). The compensation committee set annual financial targets and relative TSR goals versus a peer index, and actual vesting percentages were based on achievement over fiscal years ending December 31, 2025.
How were Ribbon Communications RSUs and PSUs converted in Sam Bucci’s Form 4?
Each RSU and PSU converted into one share of Ribbon Communications common stock. The Form 4 footnotes state that these equity awards have a one-for-one conversion ratio when they vest and are settled in common shares.
AI-generated analysis. How Rhea-AI works. Not financial advice.
