MICHAEL E MIKOLAJCZYK

CIK 1224360 · last filed 2022-08-22

MICHAEL E MIKOLAJCZYK is a corporate insider who has filed 49 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing shows the insider sold $637.0K of RBCN on Aug 22, 2022. Across all open-market trades the lifetime net is −$1.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $183.2K 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

$183.2K

Companies

2

Total Filings

49

Lifetime Open-Market Net

-$1.84M

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
RBCN Director 32,156 $5.70 $183.2K -$1.11M 35 2022-08-22
DIAMOND MANAGEMENT & TECHNOLOGY CONSULTANTS, INC. (DTPI) Delisted Director 281,784 -$729.7K 12 2010-06-03

Recent Filings

49 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2022-08-22 RBCN Sell (S) −31,851 -$637.0K EDGAR
2022-08-01 RBCN Grant (A) +1,010 $0 EDGAR
2021-06-28 RBCN Grant (A) +1,250 $0 EDGAR
2020-09-15 RBCN Grant (A) +1,199 $0 EDGAR
2019-06-10 RBCN Disp (D) −12,818 -$104.1K EDGAR
2019-06-03 RBCN Grant (A) +1,391 $0 EDGAR
2018-12-04 RBCN Grant (A) +20,215 $176.0K EDGAR
2018-11-30 RBCN Grant (A) +9,687 $84.0K EDGAR
2018-11-28 RBCN Grant (A) +5,098 $42.4K EDGAR
2018-05-14 RBCN Grant (A) $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.