David Chairman

Insider

SVP, R&D

Trades at: VLN

30D 90D 1Y

Net shares · 90d

-24.0K

0 buy · 24.0K sell

Net value · 90d

-$50.3K

$0 in · $50.3K out

Sentiment · 90d

Net selling

0% buying · 100% selling

Open-market trades · 90d

0 buy · 24.0K sell

Net buy / sell volume (all companies)

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions · open-market

Include grants & non-market

VLN Sell·S
Jun 15, 26

SVP, R&D · 10b5-1

$9.7K

4.0K sh · $2.43

Own -1%
VLN Sell·S
May 13, 26

SVP, R&D · 10b5-1

$11.9K

4.0K sh · $2.98

Own -1%
VLN Sell·S
May 8, 26

SVP, R&D · 10b5-1

$10.2K

4.0K sh · $2.54

Own -1%
VLN Sell·S
Apr 23, 26

SVP, R&D · 10b5-1

$6.0K

3.6K sh · $1.67

Own -1%
VLN Sell·S
Apr 22, 26

SVP, R&D · 10b5-1

$660

400 sh · $1.65

Own -0%
VLN Sell·S
Apr 16, 26

SVP, R&D · 10b5-1

$3.6K

2.4K sh · $1.50

Own -1%
VLN Sell·S
Apr 15, 26

SVP, R&D · 10b5-1

$2.4K

1.6K sh · $1.49

Own -0%
VLN Sell·S
Apr 15, 26

SVP, R&D · 10b5-1

$5.9K

4.0K sh · $1.46

Own -1%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 15, 2026	VLN	SVP, R&D	Sell S	4.0K	-1%	$2.43	$9.7K
May 13, 2026	VLN	SVP, R&D	Sell S	4.0K	-1%	$2.98	$11.9K
May 8, 2026	VLN	SVP, R&D	Sell S	4.0K	-1%	$2.54	$10.2K
Apr 23, 2026	VLN	SVP, R&D	Sell S	3.6K	-1%	$1.67	$6.0K
Apr 22, 2026	VLN	SVP, R&D	Sell S	400	-0%	$1.65	$660
Apr 16, 2026	VLN	SVP, R&D	Sell S	2.4K	-1%	$1.50	$3.6K
Apr 15, 2026	VLN	SVP, R&D	Sell S	1.6K	-0%	$1.49	$2.4K
Apr 15, 2026	VLN	SVP, R&D	Sell S	4.0K	-1%	$1.46	$5.9K

About David Chairman

This profile aggregates every SEC Form 4 insider transaction reported by David Chairman across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.