Form4insider filings, from the source

Company · CIK 0001669811 · SIC 7380 — Services-Miscellaneous Business Services · NYSE

Donnelley Financial Solutions, Inc. · DFIN

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $1.0M · 1sales $1.3M · 3net −$302k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 GForm 4 →Sep 17, 5:00 pm EDTCraig ClaySenior Advisor4,364——154,096—
Sep 3, 2026 SForm 4 →Sep 8, 4:30 pm EDTRobert Kirk WilliamsChief People & Intl Officer16,450$48.77$802,19144,353−27.1%
Sep 1, 2026 PForm 4 →Sep 3, 5:57 pm EDTJoseph Leo BinzDirector20,780$48.12$999,99024,704+530%
Aug 19, 2026 SForm 4 →Aug 21, 4:30 pm EDTDaniel LeibChief Executive Officer, Director9,787$50.00$489,350611,315−1.58%
Aug 17, 2026 FForm 4 →Aug 18, 5:00 pm EDTLeah Marie TrzcinskiChief Legal Officer1,234$47.72$58,88619,529—
Aug 14, 2026 SForm 4 →Aug 18, 4:30 pm EDTDaniel LeibChief Executive Officer, Director213$50.00$10,650621,102−0.03%
Jul 1, 2026 AForm 4 →Jul 6, 9:03 pm EDTJoseph Leo BinzDirector3,924——3,924—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.