DFIN

Donnelley Financial Solutions, Inc.

NYSEConsumer DiscretionaryServices-Miscellaneous Business Services

Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 03, 2026Most recent Form 4
Total buying$99.9M3 buys
Total selling$50.0M2 sells
Net open-market+$49.9M3 insiders
Open-market mix
Buy vs sell distribution by transaction count
5 transactions
3 buys60%·40%2 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAug 2026 sells: 2 transactions · $50.0M2AugSep 2026 buys: 3 transactions · $99.9M3Sep

Transaction codes

By Form 4 transaction code in selected period
6transactions
  • P · Open-market buys · dominant3 · 50%
  • S · Open-market sells2 · 33%
  • F · Tax withholding1 · 17%

Activity by reported role

A joint filing can contribute to multiple roles
6transactions
  • Director · dominant3 · 50%
  • Chief executive officer2 · 33%
  • CLO1 · 17%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (2)
Aug 2026Sep 2026
3distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Binz Joseph LeoCommon Stock · Direct
24.7k8.9kSep 01, 2026 · 8,924 shares owned afterSep 01, 2026 · 18,924 shares owned afterSep 02, 2026 · 24,704 shares owned afterSep 01, 2026Sep 02, 2026
24,704Sep 02, 2026
Leib DanielCommon Stock · Direct
621.1k611.3kAug 14, 2026 · 621,102 shares owned afterAug 19, 2026 · 611,315 shares owned afterAug 14, 2026Aug 19, 2026
611,315Aug 19, 2026
Trzcinski Leah MarieCommon Stock · Direct
19.5k19.5kAug 17, 2026 · 19,529 shares owned afterAug 17, 2026Aug 17, 2026
19,529Aug 17, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
0 active days
Aug 04Sep 04
LessMore

Filing detail checks

Secondary metrics for the selected period
Largest buy$48.5M
Largest sale$48.9M
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

DFIN transaction history

Filters apply within this company and selected period by default
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TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date

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Donnelley Financial Solutions, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Donnelley Financial Solutions, Inc.?

BINZ JOSEPH LEO, Leib Daniel, Trzcinski Leah Marie.

When was the latest reported open-market purchase?

Binz Joseph Leo reported a buy on Sep 02, 2026 valued at $27.5M. Read the SEC filing.

When was the latest reported open-market sale?

Leib Daniel reported a sale on Aug 19, 2026 valued at $48.9M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market buying in the selected period was $499,990.00. This describes filed transactions, not a bullish rating.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.