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William T. Yoon

Insider · Chief Legal Officer · DBX

William T. Yoon files insider transactions with the SEC as a chief legal officer of Dropbox. We hold 3 disclosed purchases and sales filed since 17 March 2025, 1 of them in the last 90 days.

  • Files forDBX
  • Disclosed buys and sells3 in all, 1 in the last 90 days
  • Last disclosure9 September 2026

Positions held

1 post we hold — a term names its own dates; a run of filings only says when they filed
  • Filed 13 March 2025 — 4 September 2026Chief Legal Officer · Dropbox 22 Form 4 lines · source: SEC Form 4

Every transaction

22 transactions from SEC Form 4 — one row each, sort any column, open a row for the filing
22 of 22 shown
4 Sep 20269 Sep 2026SEC Form 45 dsold on the open marketDropbox12,382 sharesdown −0.7%up +0.0%
1 Sep 20263 Sep 2026SEC Form 42 dwas grantednot a tradeDropbox28,945 sharesup +1.0%down −3.1%
17 Aug 202619 Aug 2026SEC Form 42 dhad shares withheld for taxnot a tradeDropbox16,833 sharesup +3.6%up +1.8%
18 May 202619 May 2026SEC Form 41 dsold on the open marketDropbox3,201 sharesup +23.6%up +25.6%
18 May 202619 May 2026SEC Form 41 dsold on the open marketDropbox4,029 sharesup +23.6%up +25.6%
15 May 202619 May 2026SEC Form 44 dhad shares withheld for taxnot a tradeDropbox16,124 sharesup +29.0%up +25.6%
1 Apr 20263 Apr 2026SEC Form 42 dwas grantednot a tradeDropbox200,762 sharesup +49.9%up +47.8%
11 Mar 202613 Mar 2026SEC Form 42 dsold on the open marketDropbox8,775 sharesup +33.7%up +34.3%
11 Mar 202613 Mar 2026SEC Form 42 dsold on the open marketDropbox400 sharesup +33.7%up +34.3%
11 Mar 202613 Mar 2026SEC Form 42 dsold on the open marketDropbox8,775 sharesup +33.7%up +34.3%
11 Mar 202613 Mar 2026SEC Form 42 dsold on the open marketDropbox400 sharesup +33.7%up +34.3%
17 Feb 202619 Feb 2026SEC Form 42 dhad shares withheld for taxnot a tradeDropbox7,498 sharesup +41.3%up +39.9%
17 Feb 202619 Feb 2026SEC Form 42 dhad shares withheld for taxnot a tradeDropbox7,498 sharesup +41.3%up +39.9%
18 Nov 202519 Nov 2025SEC Form 41 dsold on the open marketDropbox4,500 sharesup +17.4%up +18.5%
18 Nov 202519 Nov 2025SEC Form 41 dsold on the open marketDropbox2,642 sharesup +17.4%up +18.5%
17 Nov 202519 Nov 2025SEC Form 42 dhad shares withheld for taxnot a tradeDropbox10,292 sharesup +16.5%up +18.5%
8 Sep 202510 Sep 2025SEC Form 42 dsold on the open marketDropbox11,430 sharesup +14.0%up +12.6%
15 Aug 202519 Aug 2025SEC Form 44 dhad shares withheld for taxnot a tradeDropbox10,745 sharesup +24.3%up +22.3%
16 May 202519 May 2025SEC Form 43 dsold on the open marketDropbox5,449 sharesup +19.6%up +20.5%
15 May 202519 May 2025SEC Form 44 dhad shares withheld for taxnot a tradeDropbox8,141 sharesup +17.4%up +20.5%
1 Apr 20253 Apr 2025SEC Form 42 dwas grantednot a tradeDropbox190,706 sharesup +27.3%up +28.9%
13 Mar 202517 Mar 2025SEC Form 44 dsold on the open marketDropbox6,386 sharesup +40.9%up +31.6%

Both percentages are the stock’s move, not William T. Yoon’s return: a disclosure gives a band, never an amount, so nobody can say how much was bought or what it made. They run to the last close we hold — 9 Sep 2026, except where a name has since delisted, when the row names its own last session. We publish no close, no volume and no dollar figure behind them. 22 of the 22 rows shown carry a percentage; the rest are dashes with the reason on the row.

Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.

Some filings reach us as photographs of paper rather than as a form we can read as text. Those are shown here only once they have been read and checked, so this page can hold fewer lines than the filings behind it contain. The link on every row opens the original document, which is always the full record.