SEC Form 4 · accession 0001140361-18-002649

LITTELFUSE INC /DE · LFUS

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Nathan Zommer

Director

Period of report

Jan 17, 2018

Accepted (ET)

Jan 19, 2018 · 6:26 pm EST

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0000889331

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1	Jan 17, 2018	A	453,446	—	A	453,446	D
Common Stock^F2	Jan 17, 2018	A	3	—	A	3	I	As custodian

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Option (right to buy)^F3	$100.00	Jan 17, 2018	A	21,505	A	Jan 17, 2018	Sep 5, 2018	Common Stock	21,505	21,505	D
Stock Option (right to buy)^F4	$74.08	Jan 17, 2018	A	2,530	A	Jan 17, 2018	Aug 27, 2020	Common Stock	2,530	2,530	D
Stock Option (right to buy)^F5	$96.84	Jan 17, 2018	A	2,530	A	Jan 17, 2018	Sep 16, 2021	Common Stock	2,530	2,530	D
Stock Option (right to buy)^F6	$74.71	Jan 17, 2018	A	632	A	Jan 17, 2018	Aug 24, 2022	Common Stock	632	632	D
Stock Option (right to buy)^F7	$73.29	Jan 17, 2018	A	632	A	Jan 17, 2018	Aug 30, 2023	Common Stock	632	632	D
Stock Option (right to buy)^F8	$93.52	Jan 17, 2018	A	632	A	Jan 17, 2018	Aug 28, 2024	Common Stock	632	632	D
Stock Option (right to buy)^F9	$88.07	Jan 17, 2018	A	632	A	Jan 17, 2018	Aug 28, 2025	Common Stock	632	632	D
Stock Option (right to buy)^F10	$91.55	Jan 17, 2018	A	632	A	Jan 17, 2018	Aug 26, 2026	Common Stock	632	632	D

Explanation of responses

F1These shares of Littelfuse, Inc. common stock are the shares that were received in exchange for IXYS Corporation common stock in connection with the acquisition of IXYS Corporation by Littelfuse, Inc. (the "Merger"), at an exchange ratio of 0.1265 of a share of Littelfuse, Inc. common stock per share of IXYS Corporation common stock.
F10Received pursuant to the Merger in exchange for an employee stock option to acquire 5,000 shares of IXYS Corporation common stock for $11.58 per share.
F2These shares of Littelfuse, Inc. common stock are the shares that were received in exchange for IXYS Corporation common stock in connection with the acquisition of IXYS Corporation by Littelfuse, Inc. (the "Merger"), at an exchange ratio of 0.1265 of a share of Littelfuse, Inc. common stock per share of IXYS Corporation common stock.
F3Received pursuant to the Merger in exchange for an employee stock option to acquire 170,000 shares of IXYS Corporation common stock for $12.65 per share.
F4Received pursuant to the Merger in exchange for an employee stock option to acquire 20,000 shares of IXYS Corporation common stock for $9.37 per share.
F5Received pursuant to the Merger in exchange for an employee stock option to acquire 20,000 shares of IXYS Corporation common stock for $12.25 per share.
F6Received pursuant to the Merger in exchange for an employee stock option to acquire 5,000 shares of IXYS Corporation common stock for $9.45 per share.
F7Received pursuant to the Merger in exchange for an employee stock option to acquire 5,000 shares of IXYS Corporation common stock for $9.27 per share.
F8Received pursuant to the Merger in exchange for an employee stock option to acquire 5,000 shares of IXYS Corporation common stock for $11.83 per share.
F9Received pursuant to the Merger in exchange for an employee stock option to acquire 5,000 shares of IXYS Corporation common stock for $11.14 per share.