Comera Life Sciences Holdings, Inc.
Comera Life Sciences Holdings, Inc. (CMRA) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · CMRA · as of Jun 9, 2026
Activity summary
Buy transactions
27
P-Purchase only
Sell transactions
0
12 Months
Buy/Sell ratio
∞
Buy/Sell (by trades)
Overall sentiment
Comera Life Sciences Holdings, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 9, 2026
CMRA insider buying and selling by quarter
CMRA insider selling · CMRA insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 9, 2026
Recent insider transactions
CMRA executive sell shares · CMRA board member insider trading · CMRA insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Nov 27, 2023 | Campbell Michael Gerard EVP & CFO | Purchase | 10,000 | $708 | Form 4 |
| Nov 15, 2023 | Wexler William A. Director | Other | 3,113 | — | Form 4 |
| Sep 11, 2023 | Soane David 10 percent owner | Purchase | 58,680 | $30K | Form 4 |
| Sep 11, 2023 | Cherington Charles 10 percent owner | Purchase | 2,053,789 | $1.05M⚡ | Form 4 |
| Jul 31, 2023 | Cherington Charles 10 percent owner | Purchase | 880,195 | $450K | Form 4 |
| Aug 14, 2023 | Mahoney Robert Patrick Chief Scientific Officer | Purchase | 20,000 | $13K | Form 4 |
| Aug 11, 2023 | Wexler William A. Director | Other | 6,636 | — | Form 4 |
| Jul 31, 2023 | Soane David 10 percent owner | Purchase | 136,919 | $70K | Form 4 |
Campbell Michael Gerard
EVP & CFO
Date
Nov 27
Shares
10,000
Price
$0.07
Value
$708
Cherington Charles
10 percent owner
Date
Sep 11
Shares
2,053,789
Price
$0.51
Value
$1.05M ⚡
Cherington Charles
10 percent owner
Date
Jul 31
Shares
880,195
Price
$0.51
Value
$450K
Mahoney Robert Patrick
Chief Scientific Officer
Date
Aug 14
Shares
20,000
Price
$0.63
Value
$13K
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About CMRA insider trading
CMRA insider trades
Comera Life Sciences Holdings, Inc. (CMRA) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including CMRA. Over the past 12 months, 0 insiders have filed transactions with the SEC. CMRA insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Comera Life Sciences Holdings, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
CMRA insider trading · 5 questionsThe insiders of Comera Life Sciences Holdings, Inc. (CMRA) include executives and directors such as CMRA, among others. Over the past 12 months, 0 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 9, 2026