Necip Sayiner

CIK 1338515 · View on SEC EDGAR ↗

Insider

First SEC filing: June 4, 2026 · Latest: June 4, 2026

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Insider at

Insider transactions

0 buys (P) 6 sells (S) Net: $-4,139,887 + 38 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

38 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 3, 2026 ACLS S 1,586 $157.44 $249,700 7,112 Direct -18.23% Disposed -20.4% (price as of 2026-08-21)
June 3, 2026 RMBS S 5,000 $170.15 $850,750 18,223 Direct -21.53% Disposed -45.9% (price as of 2026-08-21)
May 8, 2026 SNDK S 579 $1503.11 $870,301 2,900 Direct -16.64% Disposed 6.8% (price as of 2026-08-21)
May 8, 2026 RMBS S 9,824 $130.18 $1,278,888 23,223 Direct -29.73% Disposed -29.3% (price as of 2026-08-21)
Dec. 3, 2025 SNDK S 1,271 $195.14 $248,023 3,479 Direct -26.76% Disposed 722.5% (price as of 2026-08-21)
Sept. 11, 2025 RMBS S 7,500 $85.63 $642,225 30,824 Direct -19.57% Disposed 7.4% (price as of 2026-08-21)
Aug. 8, 2025 RMBS S 7,500 $73.53 $551,475 38,324 Direct -16.37% Disposed 25.1% (price as of 2026-08-21)
Feb. 19, 2025 RMBS S 4,625 $66.74 $308,672 42,000 Direct -9.92% Disposed 37.8% (price as of 2026-08-21)
Nov. 6, 2023 RMBS S 10,000 $57.43 $574,300 28,653 Direct -25.87% Disposed 60.2% (price as of 2026-08-21)
May 26, 2023 POWI S 4,500 $89.95 $404,775 0 Direct -100.00% Disposed -38.9% (price as of 2026-08-21)
Feb. 14, 2023 POWI S 1,234 $84.52 $104,298 4,500 Direct -21.52% Disposed -34.9% (price as of 2026-08-21)
Feb. 10, 2023 RMBS S 2,873 $45.53 $130,808 25,000 Direct -10.31% Disposed 102.1% (price as of 2026-08-21)
Nov. 15, 2022 RMBS S 15,000 $38.16 $572,400 27,873 Direct -34.99% Disposed 141.1% (price as of 2026-08-21)
Aug. 25, 2021 POWI S 2,500 $104.53 $261,325 4,023 Direct -38.33% Disposed -47.4% (price as of 2026-08-21)
Aug. 4, 2020 POWI S 1,725 $120.16 $207,276 2,535 Direct -40.49% Disposed -8.5% (price as of 2026-08-21)
Oct. 9, 2007 SLAB S 1,750 $42.82 $74,935 149,722 Direct -1.16% Disposed 409.5% (price as of 2026-08-21)
Oct. 1, 2007 SLAB S 10,000 $43.32 $433,200 151,472 Direct -6.19% Disposed 403.6% (price as of 2026-08-21)
Sept. 11, 2007 SLAB S 1,750 $38.53 $67,428 160,506 Direct -1.08% Disposed 466.2% (price as of 2026-08-21)
Aug. 14, 2007 SLAB S 1,750 $36.09 $63,158 162,256 Direct -1.07% Disposed 504.5% (price as of 2026-08-21)
July 10, 2007 SLAB S 1,750 $34.77 $60,848 164,006 Direct -1.06% Disposed 527.4% (price as of 2026-08-21)
June 12, 2007 SLAB S 1,250 $32.83 $41,038 165,756 Direct -0.75% Disposed 564.5% (price as of 2026-08-21)
May 8, 2007 SLAB S 1,250 $32.49 $40,612 167,006 Direct -0.74% Disposed 571.5% (price as of 2026-08-21)
April 10, 2007 SLAB S 1,250 $30.35 $37,938 168,056 Direct -0.74% Disposed 618.8% (price as of 2026-08-21)
March 13, 2007 SLAB S 1,250 $29.63 $37,038 169,306 Direct -0.73% Disposed 636.3% (price as of 2026-08-21)
Feb. 13, 2007 SLAB S 1,250 $31.38 $39,225 170,556 Direct -0.73% Disposed 595.2% (price as of 2026-08-21)
Jan. 9, 2007 SLAB S 1,250 $32.81 $41,012 171,806 Direct -0.72% Disposed 564.9% (price as of 2026-08-21)
Dec. 12, 2006 SLAB S 1,250 $34.85 $43,562 181,460 Direct -0.68% Disposed 526.0% (price as of 2026-08-21)
Nov. 14, 2006 SLAB S 1,250 $33.33 $41,662 140,688 Direct -0.88% Disposed 554.5% (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
Nov. 8, 2023 RMBS Employee stock option (right to buy) Common Stock (15,000) $13.94 Nov. 1, 2029 15,000 Disposed
Nov. 6, 2023 RMBS Employee stock option (right to buy) Common Stock (10,000) $13.94 Nov. 1, 2029 10,000 Disposed
Nov. 15, 2022 RMBS Employee stock option (right to buy) Common Stock (15,000) $13.94 Nov. 1, 2029 15,000 Disposed
Nov. 1, 2019 RMBS Director Stock Option (right to buy) Common Stock (40,000) $13.94 Nov. 1, 2029 40,000 Acquired
Oct. 1, 2007 SLAB Non-Qualified Stock Option (right to buy) Common Stock, $0.0001 par value (10,000) $32.27 Sept. 13, 2015 10,000 Disposed
Feb. 15, 2007 SLAB Non-Qualified Stock Option (right to buy) Common Stock, $0.0001 par value (80,000) $32.11 Feb. 15, 2017 80,000 Acquired
Sept. 14, 2005 SLAB Non-Qualified Stock Option (right to buy) Common Stock, $0.0001 par value (500,000) $32.37 Sept. 13, 2015 500,000 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.

SLAB

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2011 $597,116 — — — $170,693 — $5,940 $3,145,139
2010 $571,154 — $4,481,012 — $479,415 — $5,582 $5,537,163
2007 $469,808 — — — $548,583 — $5,582 $4,874,242

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