Peterson Justin 4
4 · Tradeweb Markets Inc. · Filed Mar 19, 2026
Research Summary
AI-generated summary of this filing
Tradeweb (TW) CTO Justin Peterson Sells Shares
What Happened
- Justin Peterson, Chief Technology Officer of Tradeweb Markets (TW), disposed of shares following the settlement of RSUs and via an open-market plan. On March 17, 2026, 1,241 shares were withheld by the issuer to satisfy tax withholding related to RSU settlement (reported at $126.17/share, value $156,577). On March 18, 2026, he sold 3,212 shares in open-market transactions at a weighted average price of $124.76/share for proceeds of $400,716. He also received 3 shares (acquired at $0.00) in connection with dividend-equivalent rights settlement.
Key Details
- Transaction dates and prices:
- 2026-03-17: 1,241 shares withheld for tax at $126.17/share (F1) — $156,577.
- 2026-03-17: 3 shares acquired at $0.00 (DER settlement) (F3).
- 2026-03-18: 3,212 shares sold in open market at weighted avg $124.76/share — $400,716 (F4, F5).
- The March 18 sale was made pursuant to a Rule 10b5-1 trading plan adopted Nov 3, 2025 (F4).
- The reported $124.76 for the March 18 sale is a weighted average; individual sale prices ranged $123.32–$125.86 (F5). The filer can provide per-price breakdown on request.
- Unvested equity still held (per footnote): 2,548 RSUs vesting Mar 15, 2027; 4,485 RSUs vesting in equal installments Mar 17, 2027 and Mar 17, 2028; and 8,037 RSUs vesting in equal installments Mar 15 of 2027–2029 (total 15,070 unvested RSUs) (F2).
- Shares owned after these transactions were not disclosed in the excerpt of the Form 4.
- Filing timeliness: Form 4 was filed Mar 19, 2026, within the SEC’s two-business-day reporting window (timely).
Context
- The 1,241-share disposal was a tax-withholding event (F = tax withholding) tied to RSU settlement, not an active sell decision by the insider. The 3,212-share sale was executed under a pre-established 10b5-1 plan (automated trading arrangement), which can indicate a planned disposition rather than opportunistic trading.
- The 3 shares acquired reflect settlement of dividend-equivalent rights linked to prior RSUs, not a cash purchase.
- Retail investors often view outright purchases as more informative of personal bullishness; these filings primarily show routine tax withholding and planned selling.
Insider Transaction Report
Form 4
Peterson Justin
Chief Technology Officer
Transactions
- Tax Payment
Class A common stock
[F1][F2]2026-03-17$126.17/sh−1,241$156,577→ 61,726 total - Award
Class A common stock
[F3][F2]2026-03-17+3→ 61,729 total - Sale
Class A common stock
[F4][F5][F2]2026-03-18$124.76/sh−3,212$400,716→ 58,517 total
Footnotes (5)
- [F1]Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.
- [F2]This amount includes (i) 2,548 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on March 15, 2027, (ii) 4,485 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2027 and March 17, 2028 and (iii) 8,037 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.
- [F3]Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.
- [F4]This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.
- [F5]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.32 to $125.86, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
Signature
/s/ Douglas Friedman, Attorney-in-Fact for Justin Peterson|2026-03-19