Trinseo S.A. (TSE) is a publicly traded company in the Unknown sector. Across all available filings, 54 corporate insiders have executed 699 transactions totaling $11.3B, demonstrating a bearish sentiment with -$11.3B in net insider flow. The most recent transaction on Feb 22, 2026 involved a transaction of 7,098 shares valued at $2.3K.
No significant insider buying has been recorded for TSE in the recent period.
No significant insider selling has been recorded for TSE in the recent period.
Based on recent SEC filings, insider sentiment for TSE is bearish with an Insider Alignment Score of 0/100 and a net flow of -$11.3B. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at Trinseo S.A. (TSE) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 54 insiders are actively trading TSE stock, having executed 699 transactions in the past 90 days. The most active insider is Stephen M. Zide (Executive), who has made 17 transactions totaling $1.7B.
Get notified when executives and directors at TSE file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Feb 22, 2026 | N. Chaclas Angelo | SVP, CLO, CCO & CORP. SEC. | Payment | 7,098 | $0.33 | $2.3K | |
| Feb 22, 2026 | A. Bozich Frank | Executive | Payment | 32,602 | $0.33 | $10.7K | |
| Feb 22, 2026 | Phillip Stasse David | EVP AND CFO | Payment | 9,671 | $0.33 | $3.2K | C-Suite |
| Feb 22, 2026 | M. Cooney Paula | SVP, CHRO | Payment | 2,684 | $0.33 | $879 | |
| Feb 22, 2026 | Schewe Rainer | SVP, SUPPLY CHAIN & MFG SVCS | Payment | 1,206 | $0.33 | $395 | |
| Feb 22, 2026 | Bregje Van Kessel | SVP, Corporate Finance & IR | Payment | 1,335 | $0.33 | $437 | |
| Feb 22, 2026 | Bing Yang Arthas | SVP, Latex Binders | Payment | 547 | $0.33 | $179 | |
| Feb 22, 2026 | Hendriks Han | SVP, CHIEF TECHNOLOGY OFFICER | Payment | 2,291 | $0.33 | $751 | C-Suite |
| Feb 22, 2026 | Reverberi Francesca | SVP, EM and Polymer Solutions | Payment | 333 | $0.33 | $109 | |
| Feb 21, 2026 | N. Chaclas Angelo | SVP, CLO, CCO & CORP. SEC. | Payment | 3,690 | $0.33 | $1.2K | |
| Feb 21, 2026 | Phillip Stasse David | EVP AND CFO | Payment | 5,028 | $0.33 | $1.6K | C-Suite |
| Feb 21, 2026 | Greene Roger | VP, GLOBAL CONTROLLER & PAO | Payment | 2,238 | $0.33 | $733 | |
| Feb 21, 2026 | M. Cooney Paula | SVP, CHRO | Payment | 7,440 | $0.33 | $2.4K | |
| Feb 21, 2026 | Schewe Rainer | SVP, SUPPLY CHAIN & MFG SVCS | Payment | 3,907 | $0.33 | $1.3K | |
| Feb 21, 2026 | Bregje Van Kessel | SVP, Corporate Finance & IR | Payment | 5,963 | $0.33 | $2.0K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 161 | $11.3B | 99.4% |
Other(J) | 12 | $35.8M | 0.3% |
Purchase(P) | 39 | $12.8M | 0.1% |
Exercise(M) | 55 | $12.5M | 0.1% |
Payment(F) | 185 | $11.7M | 0.1% |
Award(A) | 245 | $654.8K | 0.0% |
Small Acquisition(L) | 1 | $777 | 0.0% |
Disposition(D) | 1 | $0 | 0.0% |
Insider selling pressure at Trinseo S.A. has increased, with 54 insiders executing 699 transactions across all time. Total sales of $11.3B significantly outpace purchases of $12.8M, resulting in a net outflow of $11.3B. This selling activity appears largely discretionary, which may warrant closer attention from investors.