TapewireFind a company

person · Reporting owner

Tonnel David A

Disclosed activity across 2 companies

Tapewire entity
55815
SEC CIK
0001318251

Export transaction history ↓

Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
NUSCALE POWER CorpSMR · Entity 4088Chief Accounting OfficerMarch 24, 2026March 26, 2026
Transocean Ltd.RIG · Entity 3732SVP - CHIEF ACCOUNTING OFFICERMarch 01, 2024March 06, 2024

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

NUSCALE POWER Corp

Report date March 24, 2026 · Filed March 26, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect7,420 Ending reported balance After 2026-03-25 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-03-24 · Exercise / conversion · Acquired 9,710 · Balance 9,710

F1: Restricted stock units convert into Class A Common stock on a one-for-one basis.

Row 2 · 2026-03-25 · Sale · Disposed 2,290 · Balance 7,420

F2: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

Restricted Stock UnitSEC Table II · derivative / convertible securityDirect19,421 Reported balance After 2026-03-24 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-03-24 · Exercise / conversion · Disposed 9,710 · Balance 19,421

F1: Restricted stock units convert into Class A Common stock on a one-for-one basis.

F3: On March 25, 2025, the reporting person was granted 29,131 restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.

Filing footnotes · ownership attribution and instrument terms

F1: Restricted stock units convert into Class A Common stock on a one-for-one basis.

F2: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F3: On March 25, 2025, the reporting person was granted 29,131 restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.

Transocean Ltd.

Report date March 01, 2024 · Filed March 06, 2024

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Registered SharesSEC Table I · non-derivativeDirect727,088 Ending reported balance After 2024-03-04 transaction · row 4
4 source rows · reconciled sequence

Row 1 · 2024-03-01 · Exercise / conversion · Acquired 64,735 · Balance 688,220

F1: Restricted Units, which are 1-for-1 share equivalents, acquired on February 12, 2021, pursuant to the Issuer's long-term incentive plan. One third of such restricted units vested on March 1, 2024, resulting in the right of the reporting person to receive the registered shares.

Row 2 · 2024-03-01 · Exercise / conversion · Acquired 71,002 · Balance 759,222

F2: Restricted Units, which are 1-for-1 share equivalents, acquired on February 10, 2022, pursuant to the Issuer's long-term incentive plan. One third of such restricted units vested on March 1, 2024, resulting in the right of the reporting person to receive the registered shares. The remaining restricted share units vest as follows: 71,002 on March 1, 2025.

Row 3 · 2024-03-01 · Exercise / conversion · Acquired 35,655 · Balance 794,877

F3: Restricted Units, which are 1-for-1 share equivalents, acquired on February 9, 2023, pursuant to the Issuer's long-term incentive plan. One third of such restricted units vested on March 1, 2024, resulting in the right of the reporting person to receive the registered shares. The remaining restricted share units vest as follows: 35,656 on March 1, 2025 and 35,656 on March 1, 2026.

Row 4 · 2024-03-04 · Tax withholding · Disposed 67,789 · Balance 727,088

F4: Shares sold upon vesting to satisfy tax withholding obligations.

Filing footnotes · ownership attribution and instrument terms

F1: Restricted Units, which are 1-for-1 share equivalents, acquired on February 12, 2021, pursuant to the Issuer's long-term incentive plan. One third of such restricted units vested on March 1, 2024, resulting in the right of the reporting person to receive the registered shares.

F2: Restricted Units, which are 1-for-1 share equivalents, acquired on February 10, 2022, pursuant to the Issuer's long-term incentive plan. One third of such restricted units vested on March 1, 2024, resulting in the right of the reporting person to receive the registered shares. The remaining restricted share units vest as follows: 71,002 on March 1, 2025.

F3: Restricted Units, which are 1-for-1 share equivalents, acquired on February 9, 2023, pursuant to the Issuer's long-term incentive plan. One third of such restricted units vested on March 1, 2024, resulting in the right of the reporting person to receive the registered shares. The remaining restricted share units vest as follows: 35,656 on March 1, 2025 and 35,656 on March 1, 2026.

F4: Shares sold upon vesting to satisfy tax withholding obligations.

Transaction history

JSON API
Reset

Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
February 09, 2017 Filed Feb 13, 2017 22:27 UTC Transocean Ltd. RIG · Entity 3732 GrantRegistered Shares 14,377 $0.00 $0.00
Disclosure

SEC source: 0001179110-17-002281 · edgar.xml · nonDerivative · entry 1

Tonnel David A · CIK 0001318251 · SVP, Controller & Supply Chain

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,377

Read SEC document
February 09, 2017 Filed Mar 2, 2017 20:57 UTC Amendment Transocean Ltd. RIG · Entity 3732 GrantRegistered Shares 14,377 $0.00 $0.00
Disclosure

SEC source: 0001179110-17-003596 · edgar.xml · nonDerivative · entry 1

Tonnel David A · CIK 0001318251 · SVP, Controller & Supply Chain

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,819

F1 · balance_after: This Form 4/A is being filed to report the amount of securities beneficially owned by the Reporting Person following the reported transactions (column 5). This amount was incorrect in the original Form 4 filed by the Reporting Person.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.