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AS

Aaron Saltz

Insider · Chief Legal Officer · MGNI

Aaron Saltz files insider transactions with the SEC as a chief legal officer of Magnite. We hold 1 disclosed purchase or sale filed since 3 April 2020, 1 of them in the last 90 days.

  • Files for 2 companiesMGNI, RUBI
  • Disclosed buys and sells1 in all, 1 in the last 90 days
  • Last disclosure11 September 2026

Positions held

2 posts we hold — a term names its own dates; a run of filings only says when they filed
  • Filed 23 October 2020 — 10 September 2026Chief Legal Officer · Magnite 96 Form 4 lines · source: SEC Form 4
  • Filed 1 April 2020 — 1 April 2020General Counsel & Secy · Rubicon Project 8 Form 4 lines · source: SEC Form 4

Every transaction

104 transactions from SEC Form 4 — one row each, sort any column, open a row for the filing
104 of 104 shown
10 Sep 202611 Sep 2026SEC Form 41 dsold on the open marketMagnite40,000 sharesup +0.9%up +0.0%
15 Aug 202618 Aug 2026SEC Form 43 dhad shares withheld for taxnot a tradeMagnite5,627 sharesdown −3.9%down −3.1%
15 May 202619 May 2026SEC Form 44 dhad shares withheld for taxnot a tradeMagnite5,627 sharesup +85.4%up +77.5%
15 Feb 202618 Feb 2026SEC Form 43 dhad shares withheld for taxnot a tradeMagnite12,761 sharesup +103.2%up +98.1%
15 Feb 202618 Feb 2026SEC Form 43 dhad shares withheld for taxnot a tradeMagnite12,761 sharesup +103.2%up +98.1%
9 Jan 202612 Jan 2026SEC Form 43 dexercised options overnot a tradeMagnite28,215 sharesup +47.0%up +45.6%
9 Jan 202612 Jan 2026SEC Form 43 dhad shares withheld for taxnot a tradeMagnite15,026 sharesup +47.0%up +45.6%
9 Jan 202612 Jan 2026SEC Form 43 dexercised options overnot a tradeMagnitederivative28,215 sharesup +47.0%up +45.6%
9 Jan 202612 Jan 2026SEC Form 43 dexercised options overnot a tradeMagnitederivative28,215 sharesup +47.0%up +45.6%
9 Jan 202612 Jan 2026SEC Form 43 dexercised options overnot a tradeMagnite28,215 sharesup +47.0%up +45.6%
9 Jan 202612 Jan 2026SEC Form 43 dhad shares withheld for taxnot a tradeMagnite15,026 sharesup +47.0%up +45.6%
1 Jan 20265 Jan 2026SEC Form 44 dwas grantednot a tradeMagnite65,831 sharesup +46.5%up +41.7%
1 Jan 20265 Jan 2026SEC Form 44 dwas grantednot a tradeMagnitederivative22,115 sharesup +46.5%up +41.7%
1 Jan 20265 Jan 2026SEC Form 44 dwas grantednot a tradeMagnitederivative22,115 sharesup +46.5%up +41.7%
1 Jan 20265 Jan 2026SEC Form 44 dwas grantednot a tradeMagnite65,831 sharesup +46.5%up +41.7%
15 Nov 202518 Nov 2025SEC Form 43 dhad shares withheld for taxnot a tradeMagnite5,695 sharesup +68.0%up +77.4%
19 Sep 202519 Sep 2025SEC Form 40 dsold on the open marketMagnite8,522 sharesdown −8.3%down −8.3%
15 Sep 202517 Sep 2025SEC Form 42 dsold on the open marketMagnite6,180 sharesup +0.2%down −0.3%
29 Aug 202529 Aug 2025SEC Form 40 dsold on the open marketMagnite12,403 sharesdown −8.4%down −8.4%
18 Aug 202520 Aug 2025SEC Form 42 dsold on the open marketMagnite5,770 sharesdown −2.3%up +8.8%
14 Aug 202515 Aug 2025SEC Form 41 dsold on the open marketMagnite13,860 sharesup +0.8%up +0.3%
30 Jun 20252 Jul 2025SEC Form 42 dsold on the open marketMagnite17,574 sharesdown −1.5%down −3.6%
16 Jun 202518 Jun 2025SEC Form 42 dsold on the open marketMagnite16,788 sharesup +27.9%up +26.3%
4 Jun 20256 Jun 2025SEC Form 42 dsold on the open marketMagnite15,328 sharesup +42.5%up +35.1%
15 May 202516 May 2025SEC Form 41 dhad shares withheld for taxnot a tradeMagnite6,001 sharesup +49.7%up +53.0%
15 Feb 202519 Feb 2025SEC Form 44 dhad shares withheld for taxnot a tradeMagnite13,125 sharesup +18.8%up +24.6%
7 Feb 20257 Feb 2025SEC Form 40 dsold on the open marketMagnite17,947 sharesup +12.3%up +12.3%
9 Jan 202513 Jan 2025SEC Form 44 dwas grantednot a tradeMagnitederivative17,199 sharesup +44.4%up +53.1%
9 Jan 202513 Jan 2025SEC Form 44 dwas grantednot a tradeMagnite51,095 sharesup +44.4%up +53.1%
25 Nov 202427 Nov 2024SEC Form 42 dsold on the open marketMagnite6,110 sharesup +43.2%up +43.0%
15 Nov 202419 Nov 2024SEC Form 44 dhad shares withheld for taxnot a tradeMagnite4,153 sharesup +50.0%up +46.2%
7 Nov 20248 Nov 2024SEC Form 41 dsold on the open marketMagnite5,112 sharesup +76.2%up +74.7%
15 Aug 202416 Aug 2024SEC Form 41 dhad shares withheld for taxnot a tradeMagnite4,153 sharesup +90.0%up +89.6%
14 Jun 202414 Jun 2024SEC Form 40 dsold on the open marketMagnite4,778 sharesup +73.1%up +73.1%
15 May 202417 May 2024SEC Form 42 dhad shares withheld for taxnot a tradeMagnite3,553 sharesup +142.6%up +102.3%
15 Feb 20246 May 2024SEC Form 481 dhad shares withheld for taxnot a tradeMagnite9,178 sharesup +144.0%up +153.7%
15 Feb 202416 Feb 2024SEC Form 41 dhad shares withheld for taxnot a tradeMagnite12,738 sharesup +144.0%up +128.3%
2 Jan 20244 Jan 2024SEC Form 42 dwas grantednot a tradeMagnitederivative22,331 sharesup +158.4%up +171.3%
2 Jan 20244 Jan 2024SEC Form 42 dwas grantednot a tradeMagnite62,602 sharesup +158.4%up +171.3%
15 Nov 202317 Nov 2023SEC Form 42 dhad shares withheld for taxnot a tradeMagnite3,466 sharesup +201.3%up +201.3%
16 Aug 202318 Aug 2023SEC Form 42 dsold on the open marketMagnite3,594 sharesup +185.0%up +197.1%
16 May 202318 May 2023SEC Form 42 dsold on the open marketMagnite3,801 sharesup +122.6%up +103.0%
15 Feb 202317 Feb 2023SEC Form 42 dhad shares withheld for taxnot a tradeMagnite6,031 sharesup +79.1%up +72.7%
14 Feb 202316 Feb 2023SEC Form 42 dhad shares withheld for taxnot a tradeMagnite4,242 sharesup +101.1%up +75.8%
1 Jan 20234 Jan 2023SEC Form 43 dwas grantednot a tradeMagnitederivative22,331 sharesup +124.5%up +145.3%
1 Jan 20234 Jan 2023SEC Form 43 dwas grantednot a tradeMagnite62,602 sharesup +124.5%up +145.3%
15 Nov 202217 Nov 2022SEC Form 42 dhad shares withheld for taxnot a tradeMagnite1,767 sharesup +107.2%up +115.1%
15 Aug 202217 Aug 2022SEC Form 42 dhad shares withheld for taxnot a tradeMagnite1,767 sharesup +142.6%up +155.6%
15 May 202217 May 2022SEC Form 42 dhad shares withheld for taxnot a tradeMagnite3,288 sharesup +124.5%up +126.6%
1 Apr 20225 Apr 2022SEC Form 44 dhad shares withheld for taxnot a tradeMagnite18,718 sharesup +76.2%up +72.5%
15 Feb 202216 Feb 2022SEC Form 41 dhad shares withheld for taxnot a tradeMagnite1,310 sharesup +70.4%up +82.0%
14 Feb 202216 Feb 2022SEC Form 42 dhad shares withheld for taxnot a tradeMagnite9,221 sharesup +78.7%up +82.0%
1 Feb 20223 Feb 2022SEC Form 42 dwas grantednot a tradeMagnitederivative37,887 sharesup +71.0%up +98.9%
1 Feb 20223 Feb 2022SEC Form 42 dwas grantednot a tradeMagnite53,250 sharesup +71.0%up +98.9%
15 Nov 202117 Nov 2021SEC Form 42 dhad shares withheld for taxnot a tradeMagnite1,365 sharesup +5.6%up +9.8%
10 Sep 202110 Sep 2021SEC Form 40 dexercised options overnot a tradeMagnitederivative965 sharesdown −21.2%down −21.2%
10 Sep 202110 Sep 2021SEC Form 40 dexercised options overnot a tradeMagnitederivative8,264 sharesdown −21.2%down −21.2%
10 Sep 202110 Sep 2021SEC Form 40 dexercised options overnot a tradeMagnitederivative4,575 sharesdown −21.2%down −21.2%
10 Sep 202110 Sep 2021SEC Form 40 dexercised options overnot a tradeMagnite965 sharesdown −21.2%down −21.2%
10 Sep 202110 Sep 2021SEC Form 40 dexercised options overnot a tradeMagnite8,264 sharesdown −21.2%down −21.2%
10 Sep 202110 Sep 2021SEC Form 40 dexercised options overnot a tradeMagnite4,575 sharesdown −21.2%down −21.2%
10 Sep 202110 Sep 2021SEC Form 40 dsold on the open marketMagnite40,004 sharesdown −21.2%down −21.2%
8 Sep 202110 Sep 2021SEC Form 42 dexercised options overnot a tradeMagnitederivative5,410 sharesdown −18.0%down −21.2%
8 Sep 202110 Sep 2021SEC Form 42 dexercised options overnot a tradeMagnitederivative28,852 sharesdown −18.0%down −21.2%
8 Sep 202110 Sep 2021SEC Form 42 dexercised options overnot a tradeMagnite5,410 sharesdown −18.0%down −21.2%
8 Sep 202110 Sep 2021SEC Form 42 dexercised options overnot a tradeMagnite28,852 sharesdown −18.0%down −21.2%
16 Aug 202118 Aug 2021SEC Form 42 dsold on the open marketMagnite1,481 sharesdown −14.9%down −4.7%
9 Aug 202111 Aug 2021SEC Form 42 dexercised options overnot a tradeMagnite1,791 sharesdown −27.8%down −26.3%
9 Aug 202111 Aug 2021SEC Form 42 dsold on the open marketMagnite5,000 sharesdown −27.8%down −26.3%
9 Aug 202111 Aug 2021SEC Form 42 dexercised options overnot a tradeMagnitederivative1,791 sharesdown −27.8%down −26.3%
9 Jul 202113 Jul 2021SEC Form 44 dexercised options overnot a tradeMagnite1,791 sharesdown −28.4%down −23.4%
9 Jul 202113 Jul 2021SEC Form 44 dsold on the open marketMagnite4,195 sharesdown −28.4%down −23.4%
9 Jul 202113 Jul 2021SEC Form 44 dsold on the open marketMagnite805 sharesdown −28.4%down −23.4%
9 Jul 202113 Jul 2021SEC Form 44 dexercised options overnot a tradeMagnitederivative1,791 sharesdown −28.4%down −23.4%
9 Jun 202111 Jun 2021SEC Form 42 dexercised options overnot a tradeMagnite1,791 sharesdown −29.8%down −27.6%
9 Jun 202111 Jun 2021SEC Form 42 dsold on the open marketMagnite5,000 sharesdown −29.8%down −27.6%
9 Jun 202111 Jun 2021SEC Form 42 dexercised options overnot a tradeMagnitederivative1,791 sharesdown −29.8%down −27.6%
17 May 202119 May 2021SEC Form 42 dsold on the open marketMagnite5,308 sharesdown −7.0%down −10.1%
10 May 202112 May 2021SEC Form 42 dexercised options overnot a tradeMagnite1,791 sharesdown −16.8%down −9.1%
10 May 202112 May 2021SEC Form 42 dsold on the open marketMagnite2,227 sharesdown −16.8%down −9.1%
10 May 202112 May 2021SEC Form 42 dsold on the open marketMagnite2,773 sharesdown −16.8%down −9.1%
10 May 202112 May 2021SEC Form 42 dexercised options overnot a tradeMagnitederivative1,791 sharesdown −16.8%down −9.1%
5 Apr 20217 Apr 2021SEC Form 42 dexercised options overnot a tradeMagnite5,373 sharesdown −41.2%down −40.2%
5 Apr 20217 Apr 2021SEC Form 42 dsold on the open marketMagnite3,838 sharesdown −41.2%down −40.2%
5 Apr 20217 Apr 2021SEC Form 42 dsold on the open marketMagnite3,123 sharesdown −41.2%down −40.2%
5 Apr 20217 Apr 2021SEC Form 42 dsold on the open marketMagnite6,350 sharesdown −41.2%down −40.2%
5 Apr 20217 Apr 2021SEC Form 42 dsold on the open marketMagnite1,689 sharesdown −41.2%down −40.2%
5 Apr 20217 Apr 2021SEC Form 42 dsold on the open marketMagnite19,091 sharesdown −41.2%down −40.2%
5 Apr 20217 Apr 2021SEC Form 42 dexercised options overnot a tradeMagnitederivative5,373 sharesdown −41.2%down −40.2%
1 Apr 20215 Apr 2021SEC Form 44 dwas grantednot a tradeMagnite14,292 sharesdown −44.5%down −41.2%
1 Apr 20215 Apr 2021SEC Form 44 dwas grantednot a tradeMagnitederivative10,635 sharesdown −44.5%down −41.2%
16 Feb 202118 Feb 2021SEC Form 42 dsold on the open marketMagnite24,131 sharesdown −57.9%down −55.9%
6 Nov 20209 Nov 2020SEC Form 43 dsold on the open marketMagnite10,000 sharesup +109.4%up +115.5%
6 Nov 20209 Nov 2020SEC Form 43 dsold on the open marketMagnite9,329 sharesup +109.4%up +115.5%
5 Nov 20209 Nov 2020SEC Form 44 dsold on the open marketMagnite10,000 sharesup +124.5%up +115.5%
23 Oct 202027 Oct 2020SEC Form 44 dsold on the open marketMagnite10,000 sharesup +142.3%up +147.1%
1 Apr 20203 Apr 2020SEC Form 42 dwas grantednot a tradeRubicon Project241,532 sharesup +350.2%up +472.8%
1 Apr 20203 Apr 2020SEC Form 42 dwas grantednot a tradeRubicon Project41,065 sharesup +350.2%up +472.8%
1 Apr 20203 Apr 2020SEC Form 42 dwas grantednot a tradeRubicon Project73,330 sharesup +350.2%up +472.8%
1 Apr 20203 Apr 2020SEC Form 42 dwas grantednot a tradeRubicon Projectderivative28,852 sharesup +350.2%up +472.8%
1 Apr 20203 Apr 2020SEC Form 42 dwas grantednot a tradeRubicon Projectderivative5,410 sharesup +350.2%up +472.8%
1 Apr 20203 Apr 2020SEC Form 42 dwas grantednot a tradeRubicon Projectderivative56,137 sharesup +350.2%up +472.8%
1 Apr 20203 Apr 2020SEC Form 42 dwas grantednot a tradeRubicon Projectderivative27,447 sharesup +350.2%up +472.8%
1 Apr 20203 Apr 2020SEC Form 42 dwas grantednot a tradeRubicon Projectderivative30,876 sharesup +350.2%up +472.8%

Both percentages are the stock’s move, not Aaron Saltz’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 — 11 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. 104 of the 104 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.