SEC ownership of LATTICE SEMICONDUCTOR CORP

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000855658.

Comparable stake leader

PRICE T ROWE ASSOCIATES INC /MD/

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

18 Aug 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
PRICE T ROWE ASSOCIATES INC /MD/
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
18 Aug 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000855658
Issuer location
Hillsboro, OR

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
PRICE T ROWE ASSOCIATES I...
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
18 Aug 2026
13F 13D/G 3/4/5 Lead comparable stake: 12% 13D/G row: PRICE T ROWE ASSOCIATES INC /MD/ Showing 1-8 of 50 holder rows.

Quick read

PRICE T ROWE ASSOCIATES INC /MD/ 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 PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.
Comparable ownership Top 5
PRICE T ROWE ASSOCIATES INC /MD/ 12%
BlackRock, Inc. 10%
T. Rowe Price Investment Manageme... 5.7%
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
PRICE T ROWE ASSOCIATES INC /MD/
13F 13D/G
Company · T. Rowe Price Associates, Inc.
12%
from 13D/G
$2,077,957,000
13,584,962 shares
30 Jun 2026
BlackRock, Inc.
13F 13D/G
Company
10%
from 13D/G
$2,637,161,088
17,240,855 shares
30 Jun 2026
T. Rowe Price Investment Management, Inc.
13F 13D/G
Company
5.7%
from 13D/G
$1,191,646,000
7,790,567 shares
30 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13F 13D/G
Company · Vanguard Portfolio Management
5.4%
from 13D/G
$1,102,341,574
7,206,731 shares
30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F 13D/G
Company · Vanguard Capital Management
5.2%
from 13D/G
$946,997,998
6,191,148 shares
30 Jun 2026
Artisan Partners Limited Partnership
13F 13D/G
Company · Artisan Partners Asset Management Inc.
3.4%
from 13D/G
$531,154,910
3,472,509 shares
30 Jun 2026
Ford Tamer
3/4/5
President & CEO, Director
0.24%
$50,055,089
327,243 shares
+$1,892,115 10 Jul 2026
Esam Elashmawi
3/4/5
SVP, Strategy and Marketing
0.11%
$21,229,252
155,420 shares
-$5,615,888 16 Aug 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: -$17,990,791.

Buys
$1,892,115
Insiders: 1
Sells
$19,882,905
Insiders: 10
Net
-$17,990,791
Shares: -169,900
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 30,000 Shares: 199,900
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 28,502 $0 $4,005,814 -$4,005,814
3-6 0 98,566 $0 $10,035,612 -$10,035,612
6-9 0 45,834 $0 $4,039,316 -$4,039,316
9-12 30,000 26,998 $1,892,115 $1,802,164 +$89,951

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
-$17,990,790
Latest report
18 Aug 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 $50,055,089 +$1,892,115 +3.9% Median 10 Jul 2026
Esam Elashmawi SVP, Strategy and Marketing $21,229,252 -$5,615,888 -21% Filing P/S 16 Aug 2026
Lorenzo Flores Svp, Cfo $17,362,948 Median 10 Aug 2026
Stephen Douglass Svp, Cto $14,291,897 Mixed 21 Feb 2024
Erhaan Shaikh SVP, Sales $13,733,819 -$147,174 -1.1% Median 14 Aug 2026
Pravin Desale Svp, R&D $11,126,157 -$3,438,560 -24% Median 16 Aug 2026
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
Mark Jon Nelson SVP, Sales $10,022,440 Mixed 31 Jan 2025
Mark Edwin Jensen Director $9,517,360 -$995,039 -9.5% Mixed 04 May 2026
Tracy Ann Feanny SVP, General Counsel $7,613,741 -$2,975,592 -28% Filing P/S 18 Aug 2026
Tonya Stevens CVP, Chief Accounting Officer $6,411,577 -$1,329,398 -17% 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% Mixed 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
Tracy Ann Feanny LSCC Common Stock Sale -3.03% $237,688 $126.43 -1,880 60,221 18 Aug 2026 Direct
Tracy Ann Feanny LSCC Common Stock Tax liability -0.43% -270 62,101 17 Aug 2026 Direct
Esam Elashmawi LSCC Common Stock Sale -9.2% $2,121,569 $134.77 -15,742 155,420 17 Aug 2026 Direct
Esam Elashmawi LSCC Common Stock Tax liability -0.26% -438 171,162 17 Aug 2026 Direct
Tracy Ann Feanny LSCC Common Stock Tax liability -0.58% -367 62,371 16 Aug 2026 Direct
Esam Elashmawi LSCC Common Stock Tax liability -0.34% -593 171,600 16 Aug 2026 Direct
Pravin Desale LSCC Common Stock Tax liability -0.81% -593 72,739 16 Aug 2026 Direct
Erhaan Shaikh LSCC Common Stock Tax liability -0.76% -691 89,787 14 Aug 2026 Direct
Lorenzo Flores LSCC Common Stock Tax liability -2.36% -2,741 113,513 10 Aug 2026 Direct
Erhaan Shaikh LSCC Common Stock Tax liability -0.37% -338 90,478 05 Aug 2026 Direct
Erhaan Shaikh LSCC Common Stock Tax liability -0.32% -296 90,816 04 Aug 2026 Direct
Erhaan Shaikh LSCC Common Stock Tax liability -0.88% -805 91,112 15 Jul 2026 Direct
Erhaan Shaikh LSCC Common Stock Tax liability -0.53% -493 91,917 10 Jul 2026 Direct
Lorenzo Flores LSCC Common Stock Tax liability -0.49% -577 116,254 10 Jul 2026 Direct
Pravin Desale LSCC Common Stock Tax liability -0.68% -504 73,332 10 Jul 2026 Direct
Esam Elashmawi LSCC Common Stock Tax liability -0.3% -515 172,193 10 Jul 2026 Direct
Ford Tamer LSCC Common Stock Tax liability -0.49% -1,566 317,243 10 Jul 2026 Direct
Tracy Ann Feanny LSCC Common Stock Tax liability -0.55% -346 62,738 10 Jul 2026 Direct
Erhaan Shaikh LSCC Common Stock Options Exercise 0.34% 317 92,410 30 Jun 2026 Direct
Lorenzo Flores LSCC Common Stock Options Exercise 0.27% 317 116,831 30 Jun 2026 Direct
Pravin Desale LSCC Common Stock Options Exercise 0.43% 317 73,836 30 Jun 2026 Direct
Esam Elashmawi LSCC Common Stock Options Exercise 0.18% 317 172,708 30 Jun 2026 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
* marks a reported price that did not pass the local price check.
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