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Form 4 reporting owner · CIK 0001807986

Saltz Aaron

CHIEF LEGAL OFFICER

Aaron Saltz has served as our Chief Legal Officer since January 2023, and previously served as our General Counsel and Corporate Secretary from April 1, 2020 to December 2022. Previously, Mr. Saltz served as General Counsel of Telaria from November 2015 to April 2020 and as Vice President, Associate General Counsel from January 2013 to October 2015. Prior to Telaria, Mr. Saltz worked as an attorney in the mergers and acquisitions department of Skadden, Arps, Slate, Meagher and Flom LLP from 2005 to 2013. Mr. Saltz holds a B.A. from Cornell University and a J.D. from Harvard Law School. Election of Officers Our executive officers are elected by, and serve at the discretion of, our board of directors. There…

Biography from the company’s latest DEF 14A proxy statement

34Open-market trades
1Ticker
Avg 90d after buys
+12.4%Avg 90d after sales
Avg 180d after buys
+31.5%Avg 180d after sales

MGNI price and prints

Full MGNI chart

MAGNITE, INC. 34 open-market prints by this insider, 10/23/20209/10/2026. Triangles mark only their Form 4 purchases and sales.

MGNI adjusted close▲ buy▼ sale
5.7819.7833.7947.7961.802026-09-10 sell Saltz Aaron2025-09-19 sell Saltz Aaron2025-09-15 sell Saltz Aaron2025-08-29 sell Saltz Aaron2025-08-18 sell Saltz Aaron2025-08-14 sell Saltz Aaron2025-06-30 sell Saltz Aaron2025-06-16 sell Saltz Aaron2025-06-04 sell Saltz Aaron2025-02-07 sell Saltz Aaron2024-11-25 sell Saltz Aaron2024-11-07 sell Saltz Aaron2024-06-14 sell Saltz Aaron2023-08-16 sell Saltz Aaron2023-05-16 sell Saltz Aaron2021-09-10 sell Saltz Aaron2021-08-16 sell Saltz Aaron2021-08-09 sell Saltz Aaron2021-07-09 sell Saltz Aaron2021-06-09 sell Saltz Aaron2021-05-17 sell Saltz Aaron2021-05-10 sell Saltz Aaron2021-04-05 sell Saltz Aaron2021-02-16 sell Saltz Aaron2020-11-06 sell Saltz Aaron2020-11-05 sell Saltz Aaron2020-10-23 sell Saltz Aaron2020-10-022026-09-18

MGNI trades

Clear
DateForm 4TickerSideSharesValue90d180d
9/10/2026
Form 410b5-1
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL40,000$936.4K+12.4%hist+31.5%hist
9/19/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL8,522$208.8K+36.0%+50.9%
9/15/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL6,180$147.9K+33.2%+48.7%
8/29/2025
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL12,403$323.3K+43.4%+53.9%
8/18/2025
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL5,770$137.6K+45.1%+52.4%
8/14/2025
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL13,860$323.5K+39.8%+49.3%
6/30/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL17,574$386.6K+7.63%+31.8%
6/16/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL16,788$293.8K−27.7%+14.7%
6/4/2025
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL15,328$256.1K−53.3%+11.4%
2/7/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL17,947$354.5K+29.7%−6.19%
11/25/2024
Form 410b5-1
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL6,110$106.9K−6.57%+3.01%
11/7/2024
Form 410b5-1
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL5,112$69.0K−33.2%+8.60%
6/14/2024
Form 410b5-1
MGNIMAGNITE, INCCHIEF LEGAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL4,778$65.2K+1.46%−23.1%
8/16/2023
MGNIMAGNITE, INCChief Legal Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL3,594$29.9K+8.15%−15.7%
5/16/2023
MGNIMAGNITE, INCChief Legal Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL3,801$41.4K+19.6%+34.8%
9/10/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL40,004$1.21M+41.7%+58.8%
8/16/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL1,481$39.7K+19.4%+52.4%
8/9/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL5,000$169.1K+26.8%+58.3%
7/9/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL4,195$137.0K+14.8%+52.7%
7/9/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL805$27.0K+14.8%+52.7%
6/9/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL5,000$165.8K+9.86%+51.0%
5/17/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL5,308$137.9K−9.23%+12.0%
5/10/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL2,227$69.2K−15.2%+15.6%
5/10/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL2,773$90.6K−15.2%+15.6%
4/5/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL3,838$153.8K+14.8%+36.0%
4/5/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL19,091$768.4K+14.8%+36.0%
4/5/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL6,350$267.5K+14.8%+36.0%
4/5/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL1,689$72.8K+14.8%+36.0%
4/5/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL3,123$127.4K+14.8%+36.0%
2/16/2021
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL24,131$1.35M+54.8%+50.6%
11/6/2020
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL9,329$107.3K−283.2%−209.4%
11/6/2020
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL10,000$113.1K−283.2%−209.4%
11/5/2020
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL10,000$105.0K−289.8%−238.1%
10/23/2020
MGNIMAGNITE, INCGeneral Counsel
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20
SELL10,000$100.0K−269.8%−268.1%

Chart uses split-adjusted closes from the first print through the latest available bar. Returns use the last close on or before the trade date and the first close on or after 90 and 180 calendar days. Sales are signed so a declining price is a positive result for the seller. Not investment advice.