SEC ownership of Comera Life Sciences Holdings, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001907685.

Comparable stake leader

Charles Cherington

Disclosed value leader

Charles Cherington

Comparable rows

0/24

Latest evidence

29 Dec 2023

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 1 signal
Latest parsed ownership date
29 Dec 2023
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001907685
Issuer location
Woburn, MA

Ownership snapshot

Top shareholders of Comera Life Sciences Holdings, 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
Charles Cherington
Disclosed value leader
Charles Cherington
Comparable rows
0/24
Latest evidence
29 Dec 2023
3/4/5 Highest disclosed value: $508,183 24 rows are not safely comparable across share classes. Showing 1-8 of 24 holder rows.

Quick read

Charles Cherington has the largest disclosed position value at $508.2K.

0 of 24 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 Charles Cherington's linked filing trail.
Disclosed position value Top 5
Charles Cherington $508.2K
David Soane $278K
Phoenix Venture Partners LP $216.1K
IAF, LLC $177.5K
Freebird Partners LP $135K

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

Detailed SEC evidence table Showing 1-8 of 24 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Charles Cherington
3/4/5
10%+ Owner
mixed-class rows
$508,183
27,832,543 shares
mixed-class rows
27 Dec 2023
David Soane
3/4/5
10%+ Owner
mixed-class rows
$277,986
8,017,256 shares
mixed-class rows
29 Dec 2023
Phoenix Venture Partners LP
3/4/5
10%+ Owner
class O/S missing
$216,141
3,052,835 shares
19 May 2022
IAF, LLC
3/4/5
Member of 10% owner group
mixed-class rows
$177,490
10,143,276 shares
mixed-class rows
29 Dec 2023
Freebird Partners LP
3/4/5
10%+ Owner
mixed-class rows
$134,950
11,070,417 shares
mixed-class rows
29 Dec 2023
John D. Halpern
3/4/5
Member of 10% owner group
class O/S missing
$77,088
1,088,819 shares
27 Dec 2023
Shameek Konar
3/4/5
Member of 10% owner group
mixed-class rows
$70,875
5,091,972 shares
mixed-class rows
29 Dec 2023
George P. Denny III
3/4/5
Member of 10% owner group
mixed-class rows
$68,609
4,882,575 shares
mixed-class rows
29 Dec 2023
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 15 Aug 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 24 reporting-owner rows connected to Comera Life Sciences Holdings, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
24
Largest Forms 3/4/5 holder
Charles Cherington
Net 12M change
$0
Latest report
29 Dec 2023
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Charles Cherington 10%+ Owner $508,183 Mixed 27 Dec 2023
David Soane 10%+ Owner $277,986 Mixed 29 Dec 2023
Phoenix Venture Partners LP 10%+ Owner $216,141 Mixed 19 May 2022
IAF, LLC Member of 10% owner group $177,490 Mixed 29 Dec 2023
Freebird Partners LP 10%+ Owner $134,950 Filing P/S 29 Dec 2023
John D. Halpern Member of 10% owner group $77,088 Mixed 27 Dec 2023
Shameek Konar Member of 10% owner group $70,875 Mixed 29 Dec 2023
George P. Denny III Member of 10% owner group $68,609 Mixed 29 Dec 2023
Warren Street Legacy, LLC Member of 10% owner group $13,848 Mixed 27 Dec 2023
Tucker R. Halpern Member of 10% owner group $10,386 Mixed 27 Dec 2023
Michael Gerard Campbell Evp & Cfo $2,478 Filing P/S 27 Nov 2023
Barbara K. Finck Director $1,631 Mixed 04 Jan 2023
William A. Wexler Director $1,473 Mixed 15 Nov 2023
Janice McCourt Chief Business Officer Mixed 14 Oct 2023
Stuart A. Randle Director Mixed 31 Aug 2023
James Sherblom Director Mixed 09 Nov 2023
Robert Patrick Mahoney Chief Scientific Officer Mixed 27 Sep 2023
Kirsten Flowers Director Mixed 09 Nov 2023
Jeffrey S. Hackman Chairman, President, and Chief Executive Officer., Director Mixed 27 Sep 2023
Edward Aloysius Sullivan Jr. Director Mixed 09 Nov 2023

Recent insider transactions for Comera Life Sciences Holdings, 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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