William D. McCombe

CTKB

William D. McCombe serves as Chief Financial Officer at Cytek Biosciences, Inc. (CTKB). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$97.3K

Total Sells

7 trades

$191.5K

Net Position

Net Seller

$94.2K

Companies Traded

CTKB, VELO

Active Period

Dec 2022 – Nov 2025

8 total trades

Most Recent

Sell CTKB

Nov 18, 2025 · $34.4K

William D. McCombe's Insider Trading at Cytek Biosciences, Inc. (CTKB)

Buys

1 · $97.3K

Sells

3 · $100.7K

Total Shares Bought

35,000

Total Shares Sold

27,011

CTKB Price Chart

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Date	Type	Shares	Avg Price	Value
Nov 18, 2025	Sell	6,228	$5.53	$34.4K
Aug 18, 2025	Sell	7,546	$4.06	$30.6K
Jun 2, 2025	Buy	35,000	$2.78	$97.3K
May 19, 2025	Sell	13,237	$2.69	$35.6K

William D. McCombe's Insider Trading at Velo3D, Inc. (VELO)

Buys

0 · $0.00

Sells

4 · $90.8K

Total Shares Bought

Total Shares Sold

41,137

VELO Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 23, 2023	Sell	11,201	$1.49	$16.7K	169,998
May 16, 2023	Sell	11,198	$1.86	$20.8K	150,469
Feb 17, 2023	Sell	4,268	$3.62	$15.4K	130,937
Dec 14, 2022	Sell	14,470	$2.61	$37.8K	125,270