Kai Olavi Oistamo

Insider

First SEC filing: April 28, 2016 · Latest: April 28, 2016

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Compensation Executive pay disclosed in company proxy statements.

Insider at

IDCC selling June 15, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 40 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

40 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 22, 2020	IDCC	A	228	—	—	52,187 Direct	+0.44%	Acquired	(price as of 2026-08-21)
June 15, 2020	IDCC	D	1,144	$55.38	$63,355	51,958 Direct	-2.15%	Disposed	519.3% (price as of 2026-08-21)
June 15, 2020	IDCC	A	2,994	—	—	53,102 Direct	+5.98%	Acquired	(price as of 2026-08-21)
April 22, 2020	IDCC	A	176	—	—	50,108 Direct	+0.35%	Acquired	(price as of 2026-08-21)
March 31, 2020	IDCC	A	11,519	—	—	11,519 Direct	—	Acquired	(price as of 2026-08-21)
March 31, 2020	IDCC	A	14,938	—	—	49,932 Direct	+42.69%	Acquired	(price as of 2026-08-21)
Jan. 22, 2020	IDCC	A	140	—	—	34,994 Direct	+0.40%	Acquired	(price as of 2026-08-21)
Oct. 23, 2019	IDCC	A	145	—	—	34,855 Direct	+0.42%	Acquired	(price as of 2026-08-21)
July 24, 2019	IDCC	A	122	—	—	34,710 Direct	+0.35%	Acquired	(price as of 2026-08-21)
April 24, 2019	IDCC	A	122	—	—	34,588 Direct	+0.35%	Acquired	(price as of 2026-08-21)
March 15, 2019	IDCC	A	48,733	—	—	48,733 Direct	—	Acquired	(price as of 2026-08-21)
March 15, 2019	IDCC	A	9,861	—	—	34,466 Direct	+40.08%	Acquired	(price as of 2026-08-21)
Jan. 23, 2019	IDCC	A	64	—	—	24,605 Direct	+0.26%	Acquired	(price as of 2026-08-21)
Nov. 15, 2018	IDCC	A	13,083	—	—	24,541 Direct	+114.18%	Acquired	(price as of 2026-08-21)
July 25, 2018	IDCC	A	8	—	—	13,369 Direct	+0.06%	Acquired	(price as of 2026-08-21)
June 15, 2018	IDCC	S 10b5-1	1,000	$85.10	$85,100	13,361 Direct	-6.96%	Disposed	303.0% (price as of 2026-08-21)
June 14, 2018	IDCC	D	0	$85.30	—	14,361 Direct	0.00%	Disposed	302.0% (price as of 2026-08-21)
May 31, 2018	IDCC	A	1,903	—	—	14,361 Direct	+15.28%	Acquired	(price as of 2026-08-21)
May 1, 2018	IDCC	A	9	—	—	12,458 Direct	+0.07%	Acquired	(price as of 2026-08-21)
Jan. 24, 2018	IDCC	A	8	—	—	12,450 Direct	+0.06%	Acquired	(price as of 2026-08-21)
Oct. 25, 2017	IDCC	A	9	—	—	12,442 Direct	+0.07%	Acquired	(price as of 2026-08-21)
July 26, 2017	IDCC	A	7	—	—	12,433 Direct	+0.06%	Acquired	(price as of 2026-08-21)
June 14, 2017	IDCC	A	1,821	—	—	12,426 Direct	+17.17%	Acquired	(price as of 2026-08-21)
June 8, 2017	IDCC	D	1	$84.25	$84	10,605 Direct	-0.01%	Disposed	307.1% (price as of 2026-08-21)
April 26, 2017	IDCC	A	9	—	—	10,606 Direct	+0.08%	Acquired	(price as of 2026-08-21)
Jan. 25, 2017	IDCC	A	9	—	—	10,597 Direct	+0.09%	Acquired	(price as of 2026-08-21)
Oct. 26, 2016	IDCC	A	10	—	—	10,588 Direct	+0.09%	Acquired	(price as of 2026-08-21)
July 27, 2016	IDCC	A	9	—	—	10,578 Direct	+0.09%	Acquired	(price as of 2026-08-21)
June 10, 2016	IDCC	D	0	$58.95	—	10,569 Direct	0.00%	Disposed	481.8% (price as of 2026-08-21)
June 8, 2016	IDCC	A	2,653	—	—	10,569 Direct	+33.51%	Acquired	(price as of 2026-08-21)
April 27, 2016	IDCC	A	9	—	—	7,916 Direct	+0.11%	Acquired	(price as of 2026-08-21)
Jan. 27, 2016	IDCC	A	12	—	—	7,907 Direct	+0.15%	Acquired	(price as of 2026-08-21)
Nov. 17, 2015	IDCC	D	1	$52.48	$52	7,895 Direct	-0.01%	Disposed	553.5% (price as of 2026-08-21)
Oct. 28, 2015	IDCC	A	24	—	—	7,896 Direct	+0.30%	Acquired	(price as of 2026-08-21)
July 22, 2015	IDCC	A	21	—	—	7,872 Direct	+0.27%	Acquired	(price as of 2026-08-21)
June 12, 2015	IDCC	D	0	$59.65	—	7,851 Direct	0.00%	Disposed	474.9% (price as of 2026-08-21)
June 10, 2015	IDCC	A	2,628	—	—	7,851 Direct	+50.32%	Acquired	(price as of 2026-08-21)
April 29, 2015	IDCC	A	19	—	—	5,223 Direct	+0.37%	Acquired	(price as of 2026-08-21)
Jan. 28, 2015	IDCC	A	21	—	—	5,205 Direct	+0.41%	Acquired	(price as of 2026-08-21)
Nov. 17, 2014	IDCC	A	1,881	—	—	5,184 Direct	+56.95%	Acquired	(price as of 2026-08-21)
Nov. 17, 2014	IDCC	A	3,303	—	—	3,303 Direct	—	Acquired	(price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
March 31, 2020	IDCC	Employee Stock Option (right to buy)	Common Stock (11,519)	$44.63	March 31, 2030	11,519	Acquired
March 15, 2019	IDCC	Employee Stock Option (Right-to-Buy)	Common Stock (48,733)	$67.61	March 15, 2026	48,733	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

IDCC

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2020	$463,777	—	—	—	$520,695	—	$89,182	$1,740,337
2019	$606,404	$550,000	—	—	$520,695	—	$105,353	$3,115,806
2018	$133,846	$550,000	—	—	$427,500	—	$81,015	$2,192,361

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.