InsidersTradesSigma
Total declarations
Company
▲ Purchases (3 ops.)
▼ Sales (0 ops.)
Insider track record
CEODisclosed buys
3
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the full record of transactions filed by Siwek William E, Chief Executive Officer. Director active across 1 company, notably TPI Composites, INC. Cumulatively, 15 filings have been published. Split: 3 buys · 0 sell. Total volume traded: €83k. History available since 14 May 2021. The latest transaction was disclosed on 21 March 2025 (Levée d'options). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Siwek William E
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations15 total
12,034 shares0Common StockSEC:0001127602-25-010352:0
17,385 shares0Common StockSEC:0001127602-25-010127:0
32,875 shares0Common StockSEC:0001127602-25-009238:0
8,219 shares0Common StockSEC:0001127602-25-006551:0
10,000 shares@ US$2.1920.5% of flowCommon StockSEC:0001127602-24-027273:0
Canonical exit: 11 Feb 2025 (T+90)
12,034 shares0Common StockSEC:0001562180-24-002962:0
14,809 shares0Common StockSEC:0001562180-24-002583:0
10,000 shares@ US$4.899144.8% of flowCommon StockSEC:0001562180-23-006450:0
Canonical exit: 16 Nov 2023 (T+90)
47,583 shares0Common StockSEC:0001562180-23-002784:0
47,938 shares0Common StockSEC:0001562180-23-000109:0
4,543 shares0Common StockSEC:0001562180-22-004114:0
9,330 shares0Common StockSEC:0001562180-22-002467:0
23,963 shares0Common StockSEC:0001562180-22-000101:0
1,340 shares@ US$14.679421.0% of flowCommon StockSEC:0001562180-21-007705:0
Canonical exit: 15 Mar 2022 (T+90)
4,544 shares0Common StockSEC:0001562180-21-003582:0
15 of 15 declarations
About Siwek William E
Siwek William E is President and CEO at TPI Composites, INC. He has 15 filings in total, and across the 15 sampled filings between 2021-05-18 and 2025-03-25, purchases total 83146 EUR with no reported sales, with activity mainly tied to option exercise.
