TimkenSteel Corp
Net SellingTMST·US·🇺🇸 US
32%buys·68%sales
478 transactions$3.3MTotal buys·30 buys
$9.0MTotal sells·63 sells
3232 insiders
Last: Dec 18, 2025
| Date | Insider | Type | Value | |
|---|---|---|---|---|
| Dec 18, 25 | Williams Michael S | Sell | $107K | |
| Dec 17, 25 | Williams Michael S | Sell | $160K | |
| Sep 30, 25 | Garcia Ken V | Grant | $26K | |
| Jul 23, 25 | SYRVALIN KRISTINE C | Sell | $135K | |
| Jul 23, 25 | WESTBROOKS KRISTOPHER R | Sell | $72K | |
| Jul 23, 25 | Yacobozzi Nicholas A | Sell | $396K | |
| Jul 2, 25 | WESTBROOKS KRISTOPHER R | Sell | $64K | |
| Jul 2, 25 | SYRVALIN KRISTINE C | Sell | $120K | |
| Jun 30, 25 | Garcia Ken V | Grant | $26K | |
| Jun 16, 25 | Zaranec John M | Grant | - |
Williams Michael S (CEO) recently executed a sell of $107K in TimkenSteel Corp shares on December 18, 2025. Overall insider sentiment is bearish (68% sales).
TimkenSteel Corp (TMST) has recorded 478 insider operations, including 30 open-market purchases ($3.3M), 63 sales ($9.0M) and 385 other operations (stock option exercises, grants, tax dispositions, donations). The insider sentiment is bearish (68% sales).
Insider activity at TimkenSteel Corp is sustained, with operations recorded in 8 of the last 12 months — a sign of regular regulatory filings.
Among the most active insiders are TIMKEN WARD J JR (CEO), DUNLAP TERRY L (CEO) & Williams Michael S (CEO), with respectively 219, 208, 55 transactions.
Across all 478 recorded transactions, the breakdown by type is: grant (268, 56%), tax (67, 14%), sales (63, 13%), exercise (43, 9%), buys (30, 6%).
Data sourced from regulatory filings (SEC Form 4, AMF, BaFin, FI, and other European authorities).
TimkenSteel Corp has recorded 478 insider operations in total, including 30 open-market purchases ($3.3M), 63 sales ($9.0M) and 385 other operations (stock option exercises, grants, tax dispositions, donations). The most recent transaction was recorded on December 18, 2025.
Insiders at TimkenSteel Corp are currently net sellers, with 32% purchases and 68% sales across all reported transactions. Total buy volume is $3.3M versus $9.0M in sales, indicating a bearish insider sentiment.
InsiderLens tracks 32 insiders at TimkenSteel Corp (TMST). TIMKEN WARD J JR (CEO, 219 tx), DUNLAP TERRY L (CEO, 208 tx), Williams Michael S (CEO, 55 tx). Data is sourced from mandatory regulatory filings for persons with access to privileged information.
The insider signal for TMST is bearish, based on a 32% buy ratio across 93 buy and sell transactions reported to financial regulators. Transactions from C-suite executives (CEO, CFO) and board members are generally considered the most informative signals.
Insider trading data for TimkenSteel Corp comes from official regulatory filings: SEC Form 4 (United States), AMF (France), BaFin (Germany), FI (Sweden), and other European financial authorities. These filings are mandatory for directors, officers, and holders of more than 10% of a company's shares. InsiderLens aggregates and normalizes this data for analysis.