Lee Sung

Insider

Director

Trades at: TNGX· CYTK· VIR

30D 90D 1Y

Net shares · 365d

-28.8K

0 buy · 28.8K sell

Net value · 365d

-$2.1M

$0 in · $2.1M out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 28.8K 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 · 365d

Open-market Buys Sells All types

TNGX Grant·A
Jun 5, 26

Director

$0

3.6K sh

Own New
TNGX Grant·A
Jun 5, 26

Director

$0

570 sh

Own +3%
CYTK Sell·S
May 5, 26

EVP, Chief Financial Officer · 10b5-1

$1.8M

23.9K sh · $76.87

Own -27%
TNGX Grant·A
Apr 29, 26

Director

$0

5.2K sh

Own New
TNGX Grant·A
Apr 29, 26

Director

$0

12.3K sh

Own +123%
CYTK Sell·S
Mar 17, 26

EVP, Chief Financial Officer

$306.7K

4.9K sh · $62.15

Own -5%
CYTK Grant·A
Mar 15, 26

EVP, Chief Financial Officer

$0

31.1K sh · 2 lots

Own New
CYTK Grant·A
Mar 15, 26

EVP, Chief Financial Officer

$0

20.6K sh

Own +29%
TNGX Grant·A
Jan 2, 26

Director

$0

60.0K sh

Own New
TNGX Grant·A
Jan 2, 26

Director

$0

10.0K sh

Own New
CYTK Other·F
Dec 22, 25

EVP, Chief Financial Officer

$50.5K

805 sh · $62.72

Own -1%
CYTK Grant·A
Dec 22, 25

EVP, Chief Financial Officer

$0

4.3K sh · 2 lots

Own +6%
CYTK Other·F
Dec 3, 25

EVP, Chief Financial Officer

$101.4K

1.6K sh · $65.02

Own -2%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 5, 2026	TNGX	Director	Grant A	3.6K	New	—	$0
Jun 5, 2026	TNGX	Director	Grant A	570	+3%	—	$0
May 5, 2026	CYTK	EVP, Chief Financial Officer	Sell S	23.9K	-27%	$76.87	$1.8M
Apr 29, 2026	TNGX	Director	Grant A	5.2K	New	—	$0
Apr 29, 2026	TNGX	Director	Grant A	12.3K	+123%	—	$0
Mar 17, 2026	CYTK	EVP, Chief Financial Officer	Sell S	4.9K	-5%	$62.15	$306.7K
Mar 15, 2026	CYTK	EVP, Chief Financial Officer	Grant A	31.1K2 lots	New	—	$0
Mar 15, 2026	CYTK	EVP, Chief Financial Officer	Grant A	20.6K	+29%	—	$0
Jan 2, 2026	TNGX	Director	Grant A	60.0K	New	—	$0
Jan 2, 2026	TNGX	Director	Grant A	10.0K	New	—	$0
Dec 22, 2025	CYTK	EVP, Chief Financial Officer	Other F	805	-1%	$62.72	$50.5K
Dec 22, 2025	CYTK	EVP, Chief Financial Officer	Grant A	4.3K2 lots	+6%	—	$0
Dec 3, 2025	CYTK	EVP, Chief Financial Officer	Other F	1.6K	-2%	$65.02	$101.4K

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

About Lee Sung

This profile aggregates every SEC Form 4 insider transaction reported by Lee Sung 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.