Comparable stake leader
BRANDES INVESTMENT PARTNERS, LP
SEC ownership of FOSTER L B CO
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000352825.
Disclosed value leader
BRANDES INVESTMENT PARTNERS, LP
Comparable rows
50/50
Latest evidence
01 Aug 2026
- Public ticker
- FSTR on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BRANDES INVESTMENT PARTNERS, LP
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BRANDES INVESTMENT PARTNERS, LP
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
01 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000352825
- Issuer location
- Pittsburgh, PA
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 FOSTER L B CO (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
BRANDES INVESTMENT PARTNE...
Disclosed value leader
BRANDES INVESTMENT PARTNE...
Comparable rows
50/50
Latest evidence
01 Aug 2026
13F
13D/G
3/4/5
Lead comparable stake: 14%
13D/G row: BRANDES INVESTMENT PARTNERS, LP
Showing 1-8 of 50 holder rows.
Quick read
BRANDES INVESTMENT PARTNERS, LP leads the comparable SEC ownership view at 14%.
50 of 50 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 BRANDES INVESTMENT PARTNERS, LP's linked filing trail.
Comparable ownership
Top 5
BRANDES INVESTMENT PARTNERS, LP
14%
VANGUARD GROUP INC
4%
22NW Fund, LP
2.5%
22NW Fund GP, LLC
10%
22NW GP, Inc.
10%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BRANDES INVESTMENT PARTNERS, LP |
13F
13D/G
Company
|
14%
from 13D/G
|
$64,631,043
1,430,840 shares
|
— | 30 Jun 2026 |
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
4%
|
$8,679,825
433,125 shares
|
$0 | 31 Dec 2024 |
| 22NW Fund, LP |
3/4/5
13D/G
10%+ Owner · English Aron R.
|
2.5%
from 13D/G
|
$28,836,118
1,028,160 shares
|
-$4,489,822 | 31 Mar 2026 |
| 22NW Fund GP, LLC |
3/4/5
10%+ Owner
|
10%
|
$28,836,118
1,028,160 shares
|
-$4,489,822 | 31 Mar 2026 |
| 22NW GP, Inc. |
3/4/5
10%+ Owner
|
10%
|
$28,836,118
1,028,160 shares
|
-$4,489,822 | 31 Mar 2026 |
| 22NW, LP |
3/4/5
10%+ Owner
|
10%
|
$28,836,118
1,028,160 shares
|
-$4,489,822 | 31 Mar 2026 |
| Aron R. English |
3/4/5
10%+ Owner
|
10%
|
$28,836,118
1,028,160 shares
|
-$7,943,273 | 31 Mar 2026 |
| John F. Kasel |
3/4/5
President & Chief Exec Officer, Director
|
2.5%
|
$7,074,630
253,571 shares
|
— | 22 May 2026 |
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
Net insider flow leans to selling over the last 12 months. Net value: -$26,174,063.
Buys
$0
Insiders: 0
Sells
$26,174,063
Insiders: 6
Net
-$26,174,063
Shares: -930,534
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 930,534
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 798,459 | $0 | $22,613,019 | -$22,613,019 |
| 6-9 | 0 | 106,898 | $0 | $2,872,465 | -$2,872,465 |
| 9-12 | 0 | 25,177 | $0 | $688,579 | -$688,579 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 33 reporting-owner rows connected to FOSTER L B CO. Open a relationship link for the CIK-to-CIK filing trail.
Rows
33
Largest Forms 3/4/5 holder
22NW GP, Inc.
Net 12M change
-$26,174,061
Latest report
01 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| 22NW GP, Inc. | 10%+ Owner | $28,836,118 | -$4,489,822 | -13% | Mixed | 31 Mar 2026 |
| 22NW Fund, LP | 10%+ Owner | $28,836,118 | -$4,489,822 | -13% | Mixed | 31 Mar 2026 |
| 22NW Fund GP, LLC | 10%+ Owner | $28,836,118 | -$4,489,822 | -13% | Mixed | 31 Mar 2026 |
| 22NW, LP | 10%+ Owner | $28,836,118 | -$4,489,822 | -13% | Mixed | 31 Mar 2026 |
| Aron R. English | 10%+ Owner | $28,836,118 | -$7,943,273 | -22% | Mixed | 31 Mar 2026 |
| John F. Kasel | President & Chief Exec Officer, Director | $7,074,630 | Mixed | 22 May 2026 | ||
| Lee B. Foster II | Director | $4,954,498 | Mixed | 27 May 2021 | ||
| Patrick J. Guinee | EVP General Counsel & Sec. | $2,436,813 | Mixed | 22 May 2026 | ||
| William M. Thalman | Evp & Coo | $2,228,707 | Mixed | 01 Jun 2026 | ||
| Diane B. Owen | Director | $2,187,276 | Mixed | 22 May 2026 | ||
| Gregory W. Lippard | SVP -Rail | $2,136,078 | Mixed | 22 May 2026 | ||
| Brian H. Kelly | EVP and Sr. Advisor to the CEO | $1,982,739 | -$271,500 | -12% | Mixed | 31 Dec 2025 |
| William H. Rackoff | Director | $1,968,397 | Mixed | 02 Jun 2022 | ||
| Robert S. Purgason | Director | $1,244,774 | Mixed | 31 Dec 2022 | ||
| Suzanne B. Rowland | Director | $1,080,736 | Mixed | 02 Jun 2022 | ||
| Betler Raymond T. | Director | $1,062,487 | Mixed | 21 May 2026 | ||
| Dirk Junge | Director | $979,403 | Mixed | 25 May 2023 | ||
| Brian Hunter Friedman | SVP, Chief Growth Officer | $905,995 | Mixed | 22 May 2026 | ||
| Robert Ness | SVP, Precast Concrete Products | $903,123 | Mixed | 22 May 2026 | ||
| Sean M. Reilly | SVP and CFO | $866,322 | Mixed | 01 Jun 2026 |
Recent insider transactions for FOSTER L B CO
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Jason Kyle Bowlin | FSTR | Common Stock | Award | 6.05% | 398 | 6,980 | 01 Aug 2026 | Direct | ||
| David J. Meyer | FSTR | Common Stock | Award | 2.81% | 422 | 15,425 | 30 Jun 2026 | Direct | ||
| William M. Thalman | FSTR | Common Stock | Award | 1.43% | 1,128 | 79,882 | 01 Jun 2026 | Direct | ||
| Sean M. Reilly | FSTR | Common Stock | Award | 3.08% | 895 | 29,953 | 01 Jun 2026 | Direct | ||
| Timothy Joseph Curran | FSTR | Common Stock | Award | 3.35% | 295 | 9,090 | 01 Jun 2026 | Direct | ||
| Sara Fay Rolli | FSTR | Common Stock | Tax liability | -3.68% | -352 | 9,224 | 22 May 2026 | Direct | ||
| William M. Thalman | FSTR | Common Stock | Tax liability | -1.47% | -1,178 | 78,754 | 22 May 2026 | Direct | ||
| Brian Hunter Friedman | FSTR | Common Stock | Tax liability | -1.32% | -416 | 31,132 | 22 May 2026 | Direct | ||
| Patrick J. Guinee | FSTR | Common Stock | Tax liability | -1.22% | -1,077 | 87,341 | 22 May 2026 | Direct | ||
| Gregory W. Lippard | FSTR | Common Stock | Tax liability | -1.19% | -905 | 75,031 | 22 May 2026 | Direct | ||
| Robert Ness | FSTR | Common Stock | Tax liability | -2.07% | -683 | 32,370 | 22 May 2026 | Direct | ||
| John F. Kasel | FSTR | Common Stock | Tax liability | -1.68% | -4,102 | 239,663 | 22 May 2026 | Direct | ||
| Jamie F. O'Neill | FSTR | Common Stock | Tax liability | -1.63% | -269 | 16,239 | 22 May 2026 | Direct | ||
| Sean M. Reilly | FSTR | Common Stock | Tax liability | -1.44% | -425 | 29,058 | 22 May 2026 | Direct | ||
| Diane B. Owen | FSTR | Common Stock | Tax liability | -0.12% | -96 | 78,397 | 22 May 2026 | Direct | ||
| John E. Kunz | FSTR | Common Stock | Tax liability | -0.17% | -36 | 21,773 | 22 May 2026 | Direct | ||
| Bruce Ernest Thompson | FSTR | Common Stock | Award | 12.1% | 2,363 | 21,915 | 21 May 2026 | Direct | ||
| Diane B. Owen | FSTR | Common Stock | Award | 3.1% | 2,363 | 78,493 | 21 May 2026 | Direct | ||
| John E. Kunz | FSTR | Common Stock | Award | 12.2% | 2,363 | 21,809 | 21 May 2026 | Direct | ||
| David J. Meyer | FSTR | Common Stock | Award | 18.7% | 2,363 | 15,003 | 21 May 2026 | Direct | ||
| Betler Raymond T. | FSTR | Common Stock | Award | 6.62% | 2,363 | 38,082 | 21 May 2026 | Direct | ||
| English Aron R. | FSTR | Common Stock | Sale | -3.61% | $1,077,886 | $28.05 | -38,431 | 1,027,255 | 01 Apr 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -3.61% | $1,077,886 | $28.05 | -38,431 | 1,027,255 | 01 Apr 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -3.61% | $1,077,886 | $28.05 | -38,431 | 1,027,255 | 01 Apr 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -3.61% | $1,077,886 | $28.05 | -38,431 | 1,027,255 | 01 Apr 2026 | By: 22NW Fund, LP |
| Aron R. English | FSTR | Common Stock | Sale | -3.61% | $1,077,886 | $28.05 | -38,431 | 1,027,255 | 01 Apr 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.14% | $42,030 | $28.02 | -1,500 | 1,065,686 | 31 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.14% | $42,030 | $28.02 | -1,500 | 1,065,686 | 31 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.14% | $42,030 | $28.02 | -1,500 | 1,065,686 | 31 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.14% | $42,030 | $28.02 | -1,500 | 1,065,686 | 31 Mar 2026 | By: 22NW Fund, LP |
| Aron R. English | FSTR | Common Stock | Sale | -0.14% | $42,030 | $28.02 | -1,500 | 1,065,686 | 31 Mar 2026 | By: 22NW Fund, LP |
| David J. Meyer | FSTR | Common Stock | Award | 5.71% | 683 | 12,640 | 31 Mar 2026 | Direct | ||
| English Aron R. | FSTR | Common Stock | Sale | -0.18% | $52,857 | $28.01 | -1,887 | 1,067,186 | 30 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.18% | $52,857 | $28.01 | -1,887 | 1,067,186 | 30 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.18% | $52,857 | $28.01 | -1,887 | 1,067,186 | 30 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.18% | $52,857 | $28.01 | -1,887 | 1,067,186 | 30 Mar 2026 | By: 22NW Fund, LP |
| Aron R. English | FSTR | Common Stock | Sale | -0.18% | $52,857 | $28.01 | -1,887 | 1,067,186 | 30 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.08% | $24,153 | $28.02 | -862 | 1,069,073 | 27 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.08% | $24,153 | $28.02 | -862 | 1,069,073 | 27 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.08% | $24,153 | $28.02 | -862 | 1,069,073 | 27 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.08% | $24,153 | $28.02 | -862 | 1,069,073 | 27 Mar 2026 | By: 22NW Fund, LP |
| Aron R. English | FSTR | Common Stock | Sale | -0.08% | $24,153 | $28.02 | -862 | 1,069,073 | 27 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.83% | $251,291 | $28.02 | -8,968 | 1,069,935 | 26 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.83% | $251,291 | $28.02 | -8,968 | 1,069,935 | 26 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.83% | $251,291 | $28.02 | -8,968 | 1,069,935 | 26 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.83% | $251,291 | $28.02 | -8,968 | 1,069,935 | 26 Mar 2026 | By: 22NW Fund, LP |
| Aron R. English | FSTR | Common Stock | Sale | -0.83% | $251,291 | $28.02 | -8,968 | 1,069,935 | 26 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.25% | $76,282 | $28.09 | -2,716 | 1,078,903 | 25 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.25% | $76,282 | $28.09 | -2,716 | 1,078,903 | 25 Mar 2026 | By: 22NW Fund, LP |
| English Aron R. | FSTR | Common Stock | Sale | -0.25% | $76,282 | $28.09 | -2,716 | 1,078,903 | 25 Mar 2026 | By: 22NW Fund, LP |
* marks a reported price that did not pass the local price check.