Comparable stake leader
Construction Taahhut A.s. Dere
SEC ownership of TPI COMPOSITES, INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001455684.
Disclosed value leader
Construction Taahhut A.s. Dere
Comparable rows
7/29
Latest evidence
28 Nov 2025
- Public ticker
- TPICQ on OTC
- Parsed ownership sources
-
13D/G and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Construction Taahhut A.s. Dere
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
7 of 29
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Construction Taahhut A.s. Dere
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
28 Nov 2025
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001455684
- Issuer location
- Scottsdale, AZ
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of TPI COMPOSITES, INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Construction Taahhut A.s....
Disclosed value leader
Construction Taahhut A.s....
Comparable rows
7/29
Latest evidence
28 Nov 2025
13D/G
3/4/5
Lead comparable stake: 25%
22 rows are not safely comparable across share classes.
13D/G row: Construction Taahhut A.s. Dere
Showing 1-8 of 29 holder rows.
Quick read
Construction Taahhut A.s. Dere leads the comparable SEC ownership view at 25%.
7 of 29 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Construction Taahhut A.s. Dere's linked filing trail.
Comparable ownership
Top 5
Construction Taahhut A.s. Dere
25%
VANGUARD GROUP INC
4.4%
Erste Asset Management GmbH
4.2%
James O Shaver
2%
BlackRock, Inc.
1.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 29 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Construction Taahhut A.s. Dere |
13D/G
3/4/5
ZEKI BORA TURAN · 10%+ Owner
|
25%
|
$10,319,519
11,999,441 shares
|
+$195,134 | 27 Feb 2025 |
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
4.4%
|
$1,820,522
2,118,611 shares
|
$0 | 30 Jun 2025 |
| Erste Asset Management GmbH |
13D/G
|
4.2%
|
$1,694,522
1,970,375 shares
|
-$707,357 | 31 Mar 2024 |
| James O Shaver |
13D/G
|
2%
|
$817,000
950,000 shares
|
$0 | 31 Dec 2024 |
| BlackRock, Inc. |
13D/G
|
1.8%
|
$756,311
879,943 shares
|
$0 | 30 Jun 2025 |
| Jayshree S. Desai |
3/4/5
Director
|
0.14%
|
$146,608
69,561 shares
mixed-class rows
|
— | 22 May 2025 |
| Bavan M. Holloway Under A. |
3/4/5
Director
|
0.11%
|
$133,060
53,807 shares
mixed-class rows
|
— | 22 May 2025 |
| BAM Partners Trust |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$38,996
12,263 shares
|
— | 08 Sep 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 09 Jul 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 28 reporting-owner rows connected to TPI COMPOSITES, INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
28
Largest Forms 3/4/5 holder
Construction Taahhut A.s. Dere
Net 12M change
$0
Latest report
28 Nov 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Construction Taahhut A.s. Dere | 10%+ Owner | $5,509,040 | Filing P/S | 04 Feb 2025 | ||
| Steven C. Lockard | Director | $1,359,380 | Mixed | 22 May 2024 | ||
| Daniel G. Weiss | Director | $392,333 | Mixed | 25 May 2022 | ||
| Lance Morell Marram | Chief Commercial Officer-Wind | $293,331 | Mixed | 11 Mar 2024 | ||
| William E. Siwek | President and CEO | $245,996 | Mixed | 21 Mar 2025 | ||
| James A. Hughes | Director | $217,426 | Mixed | 22 May 2024 | ||
| Tyrone M. Jordan | Director | $184,372 | Mixed | 22 May 2024 | ||
| III Edward C. Hall | Director | $179,198 | Mixed | 29 May 2024 | ||
| Paul G. Giovacchini | Director | $171,009 | Mixed | 22 May 2025 | ||
| Jerrold I. Lavine | President, Automotive | $170,577 | Mixed | 21 Mar 2024 | ||
| Jack A. Henry | Director | $160,765 | Mixed | 25 May 2022 | ||
| Jayshree S. Desai | Director | $146,608 | Mixed | 22 May 2025 | ||
| Bavan M. Holloway Under A. | Director | $133,060 | Mixed | 22 May 2025 | ||
| Adan Gossar | Chief Accounting Officer | $119,235 | Mixed | 21 Feb 2025 | ||
| Philip J. Deutch | Director | $116,240 | Mixed | 22 May 2024 | ||
| Thomas J. Castle | *SVP, Operations, Strategic Markets | $112,138 | Mixed | 26 May 2021 | ||
| Steven G. Fishbach | General Counsel and Secretary | $107,146 | Mixed | 21 Mar 2025 | ||
| Jennifer Elaine Lowry | Director | $79,008 | Mixed | 13 Nov 2024 | ||
| Linda P. Hudson | Director | $71,957 | Mixed | 22 May 2024 | ||
| Ramesh Gopalakrishnan | President and COO Wind | $62,668 | Mixed | 21 Mar 2023 |
Recent insider transactions for TPI COMPOSITES, INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Charles Stroo | TPIC | Common Stock | Tax liability | -25.4% | -26,954 | 79,264 | 28 Nov 2025 | Direct | ||
| Charles Stroo | TPIC | Common Stock | Options Exercise | 143% | 62,500 | 106,218 | 28 Nov 2025 | Direct | ||
| Charles Stroo | TPIC | Restricted Stock Units | Options Exercise | -33.3% | -62,500 | 125,000 | 28 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.