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

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 90d

Open-market Buys Sells All types

VLN Exercise·M
Jun 15, 26

SVP, R&D · 10b5-1

$0

4.0K sh

Own +6%
VLN Sell·S
Jun 15, 26

SVP, R&D · 10b5-1

$9.7K

4.0K sh · $2.43

Own -1%
VLN Exercise·M
Jun 15, 26

SVP, R&D · 10b5-1

$3.4K

4.0K sh · $0.86

Own +1%
VLN Exercise·M
May 13, 26

SVP, R&D · 10b5-1

$0

4.0K sh

Own +5%
VLN Sell·S
May 13, 26

SVP, R&D · 10b5-1

$11.9K

4.0K sh · $2.98

Own -1%
VLN Exercise·M
May 13, 26

SVP, R&D · 10b5-1

$3.4K

4.0K sh · $0.86

Own +1%
VLN Exercise·M
May 8, 26

SVP, R&D · 10b5-1

$0

4.0K sh

Own +5%
VLN Sell·S
May 8, 26

SVP, R&D · 10b5-1

$10.2K

4.0K sh · $2.54

Own -1%
VLN Exercise·M
May 8, 26

SVP, R&D · 10b5-1

$3.4K

4.0K sh · $0.86

Own +1%
VLN Exercise·M
Apr 23, 26

SVP, R&D · 10b5-1

$0

3.6K sh

Own +4%
VLN Sell·S
Apr 23, 26

SVP, R&D · 10b5-1

$6.0K

3.6K sh · $1.67

Own -1%
VLN Exercise·M
Apr 23, 26

SVP, R&D · 10b5-1

$3.1K

3.6K sh · $0.86

Own +1%
VLN Exercise·M
Apr 22, 26

SVP, R&D · 10b5-1

$0

400 sh

Own +0%
VLN Sell·S
Apr 22, 26

SVP, R&D · 10b5-1

$660

400 sh · $1.65

Own -0%
VLN Exercise·M
Apr 22, 26

SVP, R&D · 10b5-1

$344

400 sh · $0.86

Own +0%
VLN Exercise·M
Apr 16, 26

SVP, R&D · 10b5-1

$0

2.4K sh

Own +3%
VLN Sell·S
Apr 16, 26

SVP, R&D · 10b5-1

$3.6K

2.4K sh · $1.50

Own -1%
VLN Exercise·M
Apr 16, 26

SVP, R&D · 10b5-1

$2.1K

2.4K sh · $0.86

Own +1%
VLN Exercise·M
Apr 15, 26

SVP, R&D · 10b5-1

$0

5.6K sh

Own +6%
VLN Sell·S
Apr 15, 26

SVP, R&D · 10b5-1

$8.3K

5.6K sh · $1.47 avg · 2 lots

Own -1%
VLN Exercise·M
Apr 15, 26

SVP, R&D · 10b5-1

$4.8K

5.6K sh · $0.86

Own +1%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 15, 2026	VLN	SVP, R&D	Exercise M	4.0K	+6%	—	$0
Jun 15, 2026	VLN	SVP, R&D	Sell S	4.0K	-1%	$2.43	$9.7K
Jun 15, 2026	VLN	SVP, R&D	Exercise M	4.0K	+1%	$0.86	$3.4K
May 13, 2026	VLN	SVP, R&D	Exercise M	4.0K	+5%	—	$0
May 13, 2026	VLN	SVP, R&D	Sell S	4.0K	-1%	$2.98	$11.9K
May 13, 2026	VLN	SVP, R&D	Exercise M	4.0K	+1%	$0.86	$3.4K
May 8, 2026	VLN	SVP, R&D	Exercise M	4.0K	+5%	—	$0
May 8, 2026	VLN	SVP, R&D	Sell S	4.0K	-1%	$2.54	$10.2K
May 8, 2026	VLN	SVP, R&D	Exercise M	4.0K	+1%	$0.86	$3.4K
Apr 23, 2026	VLN	SVP, R&D	Exercise M	3.6K	+4%	—	$0
Apr 23, 2026	VLN	SVP, R&D	Sell S	3.6K	-1%	$1.67	$6.0K
Apr 23, 2026	VLN	SVP, R&D	Exercise M	3.6K	+1%	$0.86	$3.1K
Apr 22, 2026	VLN	SVP, R&D	Exercise M	400	+0%	—	$0
Apr 22, 2026	VLN	SVP, R&D	Sell S	400	-0%	$1.65	$660
Apr 22, 2026	VLN	SVP, R&D	Exercise M	400	+0%	$0.86	$344
Apr 16, 2026	VLN	SVP, R&D	Exercise M	2.4K	+3%	—	$0
Apr 16, 2026	VLN	SVP, R&D	Sell S	2.4K	-1%	$1.50	$3.6K
Apr 16, 2026	VLN	SVP, R&D	Exercise M	2.4K	+1%	$0.86	$2.1K
Apr 15, 2026	VLN	SVP, R&D	Exercise M	5.6K	+6%	—	$0
Apr 15, 2026	VLN	SVP, R&D	Sell S	5.6K2 lots	-1%	$1.47 avg	$8.3K
Apr 15, 2026	VLN	SVP, R&D	Exercise M	5.6K	+1%	$0.86	$4.8K

Buy Sell Non-market (grant · exercise · gift)

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.