SEC ownership of Mandiant, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001370880.

Comparable stake leader

Alexa King

Disclosed value leader

Alexa King

Comparable rows

0/2

Latest evidence

14 Feb 2022

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 1 signal
Latest parsed ownership date
14 Feb 2022
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001370880
Issuer location
Reston, VA

Ownership snapshot

Top shareholders of Mandiant, 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
Alexa King
Disclosed value leader
Alexa King
Comparable rows
0/2
Latest evidence
14 Feb 2022
3/4/5 Highest disclosed value: $7,583,192 2 rows are not safely comparable across share classes.

Quick read

Alexa King has the largest disclosed position value at $7.58M.

0 of 2 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 Alexa King's linked filing trail.
Disclosed position value Top 2
Alexa King $7.58M
Ronald E. F. Codd $3.26M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-2 of 2 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Alexa King
3/4/5
EVP and General Counsel
class O/S missing
$7,583,192
329,704 shares
15 Aug 2021
Ronald E. F. Codd
3/4/5
Director
class O/S missing
$3,259,100
141,700 shares
14 Feb 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 02 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 1-13 of 13 reporting-owner rows connected to Mandiant, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
13
Largest Forms 3/4/5 holder
Alexa King
Net 12M change
$0
Latest report
12 Sep 2022
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Alexa King EVP and General Counsel $7,583,192 Mixed 15 Aug 2021
Ronald E. F. Codd Director $3,259,100 Mixed 14 Feb 2022
Kimberly Alexy Director Mixed 12 Sep 2022
Frank Verdecanna Evp & Cfo Mixed 12 Sep 2022
Enrique T. Salem Director Mixed 12 Sep 2022
Kevin R. Mandia Chief Executive Officer, Director Mixed 12 Sep 2022
John P. Watters President & COO Mixed 12 Sep 2022
Adrian McDermott Director Mixed 12 Sep 2022
James Medina SVP, Finance, CC & CAO Mixed 12 Sep 2022
Arthur W. Coviello Jr. Director Mixed 12 Sep 2022
Robbins William T. Evp & Cro Mixed 12 Sep 2022
Sara C. Andrews Director Mixed 12 Sep 2022
Robert E. Switz Director Mixed 12 Sep 2022

Recent insider transactions for Mandiant, 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
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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