Comparable stake leader
T. Rowe Price Investment Management, Inc.
SEC ownership of LATTICE SEMICONDUCTOR CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000855658.
Disclosed value leader
T. Rowe Price Investment Management, Inc.
Comparable rows
50/50
Latest evidence
11 Jun 2026
- Public ticker
- LSCC on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
T. Rowe Price Investment Management, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
T. Rowe Price Investment Management, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
11 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000855658
- Issuer location
- Hillsboro, OR
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 LATTICE SEMICONDUCTOR CORP (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
T. Rowe Price Investment ...
Disclosed value leader
T. Rowe Price Investment ...
Comparable rows
50/50
Latest evidence
11 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 12%
13D/G row: T. Rowe Price Investment Management, Inc.
Showing 1-8 of 50 holder rows.
Quick read
T. Rowe Price Investment Management, Inc. leads the comparable SEC ownership view at 12%.
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 T. Rowe Price Investment Management, Inc.'s linked filing trail.
Comparable ownership
Top 5
T. Rowe Price Investment Manageme...
12%
PRICE T ROWE ASSOCIATES INC /MD/
12%
BlackRock, Inc.
10%
VANGUARD PORTFOLIO MANAGEMENT LLC
5.4%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
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 |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. |
13D/G
13F
Company
|
12%
|
$1,723,429,939
16,243,449 shares
|
-$484,787,133 | 31 Mar 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13D/G
13F
T. Rowe Price Associates, Inc. · Company
|
12%
|
$1,706,416,380
16,083,095 shares
|
-$212,704,399 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
10%
from 13D/G
|
$1,544,881,068
16,654,604 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.4%
|
$689,679,598
7,435,097 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$667,151,811
7,192,236 shares
|
$0 | 31 Mar 2026 |
| Artisan Partners Limited Partnership |
13F
13D/G
Company · Artisan Partners Asset Management Inc.
|
3.4%
from 13D/G
|
$278,667,880
3,004,182 shares
|
— | 31 Mar 2026 |
| Ford Tamer |
3/4/5
President & CEO, Director
|
0.24%
|
$30,508,214
328,809 shares
|
+$1,892,115 | 09 Apr 2026 |
| Esam Elashmawi |
3/4/5
SVP Mktg & Strategy
|
0.13%
|
$15,990,989
172,391 shares
|
-$3,494,319 | 31 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: -$15,854,793.
Buys
$1,892,115
Insiders: 1
Sells
$17,746,908
Insiders: 10
Net
-$15,854,793
Shares: -155,717
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 30,000
Shares: 185,717
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 28,235 | $0 | $3,945,046 | -$3,945,046 |
| 3-6 | 0 | 117,905 | $0 | $11,117,480 | -$11,117,480 |
| 6-9 | 30,000 | 15,173 | $1,892,115 | $1,089,801 | +$802,314 |
| 9-12 | 0 | 24,404 | $0 | $1,594,582 | -$1,594,582 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 24 reporting-owner rows connected to LATTICE SEMICONDUCTOR CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
24
Largest Forms 3/4/5 holder
James Robert Anderson
Net 12M change
-$15,854,792
Latest report
11 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| James Robert Anderson | President, CEO, Director | $69,869,620 | Mixed | 22 May 2024 | ||
| Ford Tamer | President & CEO, Director | $30,508,214 | +$1,892,115 | +6.6% | Mixed | 09 Apr 2026 |
| Esam Elashmawi | SVP Mktg & Strategy | $15,990,989 | -$3,494,319 | -18% | Median | 31 May 2026 |
| Stephen Douglass | Svp, Cto | $14,291,897 | Mixed | 21 Feb 2024 | ||
| Sherri R. Luther | Svp, Cfo | $10,940,379 | Mixed | 20 Aug 2024 | ||
| Robin Ann Abrams | Director | $10,907,196 | -$1,772,653 | -14% | Mixed | 13 Feb 2026 |
| Lorenzo Flores | Svp, Cfo | $10,807,838 | Median | 10 May 2026 | ||
| Pravin Desale | Svp, R&D | $10,505,129 | -$3,438,560 | -25% | Filing P/S | 11 Jun 2026 |
| Mark Jon Nelson | SVP, Sales | $10,022,440 | Mixed | 31 Jan 2025 | ||
| Tracy Ann Feanny | SVP, General Counsel | $9,748,099 | -$2,737,903 | -22% | Filing P/S | 04 Jun 2026 |
| Mark Edwin Jensen | Director | $9,517,360 | -$995,039 | -9.5% | Median | 04 May 2026 |
| Erhaan Shaikh | SVP, Sales | $8,542,546 | -$147,174 | -1.7% | Median | 14 May 2026 |
| Tonya Stevens | CVP, Chief Accounting Officer | $6,411,577 | -$1,552,658 | -19% | Mixed | 11 Mar 2026 |
| James P. Lederer | Director | $6,342,275 | -$1,922,957 | -23% | Filing P/S | 03 Jun 2026 |
| Byron W. Milstead | VP Corp, General Counsel | $3,882,244 | Mixed | 02 Nov 2021 | ||
| David Jeffrey Richardson | Director | $2,938,914 | -$1,287,148 | -30% | Median | 04 May 2026 |
| Glenn O'Rourke | SVP, Mfg Ops | $2,309,318 | Mixed | 22 May 2024 | ||
| Krishna Rangasayee | Director | $1,830,004 | Mixed | 18 Jul 2022 | ||
| Douglas R. Bettinger | Director | $1,294,662 | Mixed | 04 May 2026 | ||
| Anjali Joshi | Director | $1,270,880 | Mixed | 05 May 2023 |
Recent insider transactions for LATTICE SEMICONDUCTOR CORP
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Stephen Douglass | LSCC | Common Stock | Tax liability | -1.16% | -1,848 | 158,037 | 17 Feb 2027 | Direct | ||
| Pravin Desale | LSCC | Common Stock | Sale | -2.7% | $291,353 | $142.89 | -2,039 | 73,519 | 12 Jun 2026 | Direct |
| Pravin Desale | LSCC | Common Stock | Tax liability | -1.14% | -868 | 75,558 | 11 Jun 2026 | Direct | ||
| Tracy Ann Feanny | LSCC | Common Stock | Sale | -4.16% | $416,046 | $151.84 | -2,740 | 63,084 | 04 Jun 2026 | Direct |
| James P. Lederer | LSCC | Common Stock | Sale | -12.9% | $939,157 | $153.94 | -6,101 | 41,201 | 03 Jun 2026 | Direct |
| Pravin Desale | LSCC | Common Stock | Tax liability | -0.85% | -653 | 76,426 | 31 May 2026 | Direct | ||
| Esam Elashmawi | LSCC | Common Stock | Tax liability | -0.39% | -680 | 172,391 | 31 May 2026 | Direct | ||
| Tracy Ann Feanny | LSCC | Common Stock | Tax liability | -0.67% | -445 | 65,824 | 31 May 2026 | Direct | ||
| Esam Elashmawi | LSCC | Common Stock | Gift | -0.86% | -1,500 | 173,071 | 22 May 2026 | Direct | ||
| Pravin Desale | LSCC | Common Stock | Sale | -15.5% | $1,899,994 | $134.23 | -14,155 | 77,079 | 20 May 2026 | Direct |
| Tracy Ann Feanny | LSCC | Common Stock | Tax liability | -0.4% | -269 | 66,269 | 17 May 2026 | Direct | ||
| Esam Elashmawi | LSCC | Common Stock | Tax liability | -0.25% | -438 | 174,571 | 17 May 2026 | Direct | ||
| Tracy Ann Feanny | LSCC | Common Stock | Tax liability | -0.55% | -367 | 66,538 | 16 May 2026 | Direct | ||
| Esam Elashmawi | LSCC | Common Stock | Tax liability | -0.34% | -593 | 175,009 | 16 May 2026 | Direct | ||
| Pravin Desale | LSCC | Common Stock | Tax liability | -0.65% | -593 | 91,234 | 16 May 2026 | Direct | ||
| Erhaan Shaikh | LSCC | Common Stock | Tax liability | -0.74% | -691 | 92,093 | 14 May 2026 | Direct | ||
| Lorenzo Flores | LSCC | Common Stock | Tax liability | -2.3% | -2,741 | 116,514 | 10 May 2026 | Direct | ||
| Elizabeth M. Schwarting | LSCC | Common Stock | Sale | -32.5% | $398,496 | $124.53 | -3,200 | 6,636 | 06 May 2026 | Direct |
| Erhaan Shaikh | LSCC | Common Stock | Tax liability | -0.36% | -338 | 92,784 | 05 May 2026 | Direct | ||
| Erhaan Shaikh | LSCC | Common Stock | Tax liability | -0.32% | -296 | 93,122 | 04 May 2026 | Direct | ||
| James P. Lederer | LSCC | Common Stock | Award | 3.85% | 1,752 | 47,302 | 04 May 2026 | Direct | ||
| Mark Edwin Jensen | LSCC | Common Stock | Award | 4.22% | 1,752 | 43,260 | 04 May 2026 | Direct | ||
| John Forsyth | LSCC | Common Stock | Award | 20.6% | 1,752 | 10,237 | 04 May 2026 | Direct | ||
| Que Dallara | LSCC | Common Stock | Award | 20.6% | 1,752 | 10,237 | 04 May 2026 | Direct | ||
| Douglas R. Bettinger | LSCC | Common Stock | Award | 17.2% | 1,752 | 11,915 | 04 May 2026 | Direct | ||
| David Jeffrey Richardson | LSCC | Common Stock | Award | 41.8% | 1,752 | 5,945 | 04 May 2026 | Direct | ||
| Elizabeth M. Schwarting | LSCC | Common Stock | Award | 21.7% | 1,752 | 9,836 | 04 May 2026 | Direct | ||
| Erhaan Shaikh | LSCC | Common Stock | Tax liability | -0.85% | -804 | 93,418 | 15 Apr 2026 | Direct | ||
| Ford Tamer | LSCC | Common Stock | Award | 13.1% | 36,926 | 318,809 | 09 Apr 2026 | Direct | ||
| Erhaan Shaikh | LSCC | Common Stock | Award | 14% | 11,605 | 94,222 | 09 Apr 2026 | Direct | ||
| Lorenzo Flores | LSCC | Common Stock | Award | 13.3% | 13,979 | 119,255 | 09 Apr 2026 | Direct | ||
| Esam Elashmawi | LSCC | Common Stock | Award | 7.42% | 12,133 | 175,602 | 09 Apr 2026 | Direct | ||
| Pravin Desale | LSCC | Common Stock | Award | 14.8% | 11,869 | 91,827 | 09 Apr 2026 | Direct | ||
| Tracy Ann Feanny | LSCC | Common Stock | Award | 18.7% | 10,550 | 66,905 | 09 Apr 2026 | Direct | ||
| Pravin Desale | LSCC | Common Stock | Tax liability | -1.07% | -868 | 79,958 | 11 Mar 2026 | Direct | ||
| Tonya Stevens | LSCC | Common Stock | Sale | -1.76% | $104,622 | $94.00 | -1,113 | 62,302 | 11 Mar 2026 | Direct |
| Erhaan Shaikh | LSCC | Common Stock | Sale | -1.87% | $147,174 | $93.32 | -1,577 | 82,617 | 10 Mar 2026 | Direct |
| Pravin Desale | LSCC | Common Stock | Sale | -2.84% | $218,642 | $92.41 | -2,366 | 80,826 | 10 Mar 2026 | Direct |
| Tonya Stevens | LSCC | Common Stock | Tax liability | -1.73% | -1,115 | 63,437 | 09 Mar 2026 | Direct | ||
| Tonya Stevens | LSCC | Common Stock | Award | 3.61% | 2,250 | 64,552 | 09 Mar 2026 | Direct | ||
| Esam Elashmawi | LSCC | Common Stock | Tax liability | -1.42% | -2,360 | 163,469 | 09 Mar 2026 | Direct | ||
| Esam Elashmawi | LSCC | Common Stock | Award | 2.88% | 4,637 | 165,829 | 09 Mar 2026 | Direct | ||
| Lorenzo Flores | LSCC | Common Stock | Tax liability | -2.02% | -2,167 | 105,276 | 09 Mar 2026 | Direct | ||
| Lorenzo Flores | LSCC | Common Stock | Award | 4.25% | 4,379 | 107,443 | 09 Mar 2026 | Direct | ||
| Erhaan Shaikh | LSCC | Common Stock | Tax liability | -1.9% | -1,634 | 84,194 | 09 Mar 2026 | Direct | ||
| Erhaan Shaikh | LSCC | Common Stock | Award | 3.89% | 3,211 | 85,828 | 09 Mar 2026 | Direct | ||
| Pravin Desale | LSCC | Common Stock | Tax liability | -1.57% | -1,331 | 83,192 | 09 Mar 2026 | Direct | ||
| Pravin Desale | LSCC | Common Stock | Award | 4.57% | 3,697 | 84,523 | 09 Mar 2026 | Direct | ||
| Tracy Ann Feanny | LSCC | Common Stock | Tax liability | -2.39% | -1,381 | 56,355 | 09 Mar 2026 | Direct | ||
| Tracy Ann Feanny | LSCC | Common Stock | Award | 6.47% | 3,509 | 57,736 | 09 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.