FEINBERG PETER

PrivateCIK: 1870076
Location

CAMBRIDGE, MA

FEINBERG PETER purchased 3.7% of their position (5K shares) of IMMUNEERING CORP on the open market

Open‑market purchase worth $35.9K — a small addition. The strongest form of insider conviction signal.

P · 1 purchase
InsiderFEINBERG PETERCIK 1870076
IssuerIMMUNEERING CORPCIK 1790340
Director
Since Jul 2021
+5K
Net shares
Net buyer
$35.9K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
5K acquired
Non-Derivative Transactions1

Class A Common Stock

Direct
P · Purchase

Shares

+5K

Price / share

$7.18

Trade value

$35.90K

% of position

3.7%
9/29/2025
136.77K141.77K
Total

Net shares

+5K

Net value

$35.90K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)3

Class A Common Stock

Indirect
Shares owned476.62K

Class A Common Stock

Indirect
Shares owned392.24K

Class A Common Stock

Indirect
Shares owned115.44K
Total
984.30K indirect984.30K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
FEINBERG PETER — Insider Transaction (Form 4) Filed Sep 30, 2025 | Finecho