BOB ROSENTHAL

CIK 1203911 · Executive Chairman · last filed 2026-02-18

BOB ROSENTHAL is an Executive Chairman who has filed 60 SEC Form 4 insider transactions across 5 companies since 2007. The most recent filing, for BRKRP, was dated Feb 18, 2026. Across all open-market trades the lifetime net is −$280.8K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $17.4M 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

$17.42M

Companies

5

Total Filings

60

Lifetime Open-Market Net

-$280.8K

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
BRKRP Director 38,781 $401.31 $15.56M $0 1 2026-02-18
BRKR Director 34,261 $54.23 $1.86M -$295.7K 12 2025-02-19
INVIVO THERAPEUTICS HOLDINGS CORP. (NVIV) Delisted Director $0.32 $0 2 2022-11-21
SAFEGUARD SCIENTIFICS INC (SFE) Delisted Director 81,855 $0.46 $37.2K $15.0K 43 2022-04-18
MZT Holdings, Inc. (MZT) Delisted Director $0 2 2007-06-12

Recent Filings

60 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-02-18 BRKRP Grant (A) +4,520 $0 EDGAR
2025-02-19 BRKR Grant (A) +3,298 $0 EDGAR
2024-08-16 BRKR Mixed +7,816 -$3.7K EDGAR
2024-01-09 BRKR Grant (A) +2,377 $0 EDGAR
2023-01-09 BRKR Grant (A) +1,970 $0 EDGAR
2022-11-21 INVIVO THERAPEUTICS HOLDINGS CORP. (NVIV) Delisted Grant (A) $0 EDGAR
2022-04-18 SAFEGUARD SCIENTIFICS INC (SFE) Delisted Grant (A) +5,400 $26.6K EDGAR
2022-01-18 SAFEGUARD SCIENTIFICS INC (SFE) Delisted Grant (A) +3,913 $27.8K EDGAR
2022-01-06 BRKR Grant (A) +1,841 $0 EDGAR
2021-10-18 SAFEGUARD SCIENTIFICS INC (SFE) Delisted Grant (A) +3,236 $26.9K 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.