Henry R. Keizer

Board Director

Director

Sealed AIR Corp/de Hertz Global Holdings, Inc Graftech International Ltd

Insider activity · 24 months1 buy0 salesCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 1 buy · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Companies

▲ Purchases (2 ops.)

€59k

▼ Sales (1 ops.)

€64k

Latest filing published 09 Apr 2026 for Sealed AIR Corp/de. Read the official filing

Filing timeline

BuySale

Henry R. Keizer

Insider track record

Disclosed buys

Disclosed sells

T+90 hit rate

50%

T+90 mean return

-3.9%

Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.

Signal history

Henry R. Keizer: trading record in brief

Henry R. Keizer is a declared insider at 3 companies (board member); the most frequent names are Sealed AIR Corp/de, Hertz Global Holdings, Inc and Graftech International Ltd. Between 18 May 2021 and 9 April 2026, the trades on record add up to 11 filings.

In open-market terms, that means 2 purchases worth €59k on one side and 1 sale worth €64k on the other. Sales outweigh purchases by €5,221. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 5 share grants and 1 option exercise.

Most recently, on 9 April 2026, the filings show a transaction in Sealed AIR Corp/de. The most recent open-market purchase was published on 11 March 2025, 586 days ago. Filings reach the SEC (Form 4) feed a median of 3 days after the trade. Section 16 rules allow two business days to file each Form 4. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.