Marcia Eisenberg

CIK 1866723 · last filed 2025-06-13

Marcia Eisenberg is a corporate insider who has filed 11 SEC Form 4 insider transactions across 2 companies since 2021. The most recent filing, for MASS, was dated Jun 13, 2025. Current disclosed insider exposure totals $214.7K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$214.7K

Companies

2

Total Filings

11

Lifetime Open-Market Net

$0

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
MASS Director 25,957 $8.27 $214.7K $0 8 2025-06-13
Singular Genomics Systems, Inc. (OMIC) Delisted Director $20.01 $0 2 2024-05-31

Recent Filings

11 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-06-13 MASS Exer (M) +11,364 $0 EDGAR
2025-02-25 Disp (D) $0
2024-06-14 MASS Mixed +7,777 $0 EDGAR
2024-06-10 MASS Exer (M) +682 $0 EDGAR
2024-05-31 Singular Genomics Systems, Inc. (OMIC) Delisted Grant (A) $0 EDGAR
2023-08-08 Singular Genomics Systems, Inc. (OMIC) Delisted Grant (A) $0 EDGAR
2023-06-16 MASS Mixed +4,771 $0 EDGAR
2023-06-14 MASS Exer (M) +681 $0 EDGAR
2022-06-17 MASS Grant (A) $0 EDGAR
2022-06-08 MASS Exer (M) +682 $0 EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.