Insider trading

Period: 12 months Type of trade: Bought × Minimum amount: $1M × + Add filter Clear all
Views & alerts

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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

1,654 decisions over 12 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

1,654 decisions over 12 months
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

1,654 decisions over 12 months Remove this filter
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

1,654 decisions over 12 months Remove this filter
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
1,654 decisions over 12 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
1,654 decisions over 12 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

1,654 decisions over 12 months
Stock
Insider
Type ?
Why it stands out
5 Jun 2026
General Atlantic (LFT), L.P. Director · indirect
Bought
$30.00M 1,304,347 at 23.00
5.4%
First buy on file
5 Jun 2026
GENERAL ATLANTIC GENPAR, L.P. Director · indirect
Bought
$30.00M 1,304,347 at 23.00
5.4%
First buy on file
5 Jun 2026
Malka Meyer Director · indirect
Bought
$20.18M 250,000 at 80.74
6.8%
Largest buy in 3 yrs
5 Jun 2026
Barron Hal Director
Bought
$15.00M 250,000 at 60.00
×43
First buy on file
5 Jun 2026
JIMENEZ JOSEPH Director
Bought
$4.00M 66,665 at 60.00
×11
First buy on file
5 Jun 2026
RYAN PATRICK G Executive Chairman · indirect
Bought
$3.90M 120,000 at 32.50
0.9%
5 Jun 2026
Casdin Capital, LLC Director · indirect
Bought
$2.64M 50,000 at 52.86
1.4%
5 Jun 2026
Bought
$2.50M 92,592 at 27.00
104%
First buy on file
5 Jun 2026
HOLDING FRANK B JR Chairman and CEO
Bought 36×
$1.88M 1,000 at 1,877.49
1.6%
5 Jun 2026
BHATIA MANISH H Director
Bought
$1.20M 20,000 at 60.00
343%
First buy on file
4 Jun 2026
Bought
$307.64M 76,910,400 at 4.00
0.6%
4 Jun 2026
Casdin Capital, LLC Director · indirect
Bought
$8.47M 150,000 at 56.44
4.3%
Largest buy in 3 yrs
4 Jun 2026
AmperSPAC LLC 10% owner
Bought
$2.48M 247,500 at 10.00
opened
First buy on file
4 Jun 2026
Bought
$1.82M 181,750 at 10.00
opened
First buy on file
4 Jun 2026
Zanganeh Mahkam Co-Chief Executive Officer · indirect
Bought
$1.46M 100,000 at 14.60
0.4%
4 Jun 2026
DUGGAN ROBERT W Co-Chief Executive Officer · indirect
Bought
$1.46M 100,000 at 14.60
0.4%
3 Jun 2026
Bought
$22.12M 5,529,600 at 4.00
0.0%
3 Jun 2026
Malka Meyer Director · indirect
Bought
$15.10M 181,000 at 83.45
5.2%
3 Jun 2026
SARVADI PAUL J Chairman of the Board & CEO · indirect
Bought
$7.93M 233,000 at 34.05
26.7%
Largest buy in 3 yrs
3 Jun 2026
SIMPSON BOB R Director
Bought
$5.14M 369,153 at 13.91
4.3%
3 Jun 2026
Bought
$4.00M 47,058 at 85.00
583%
First buy on file
3 Jun 2026
DUNCAN RONALD A President and CEO · indirect
Bought 3×
$1.37M 65,000 at 21.04
opened
First buy on file
3 Jun 2026
Hochman Russell C. President and CEO
Bought
$1.00M 51,519 at 19.43
55.4%
First buy on file
2 Jun 2026
Bought
$12.37M 685,000 at 18.06
97.3%
+97% of stake
2 Jun 2026
TANG KEVIN Chief Executive Officer · indirect
Bought
$3.15M 206,005 at 15.28
1.6%
2 Jun 2026
SIMPSON BOB R Director
Bought
$3.10M 230,847 at 13.41
2.7%
2 Jun 2026
Weinbach Michael S Chief Executive Officer- Elect
Bought
$1.69M 49,513 at 34.04
41.1%
+41% of stake
2 Jun 2026
Vorsheck Elizabeth A Director · indirect
Bought 3×
$1.43M 7,000 at 204.79
0.2%
First buy on file
2 Jun 2026
Huang Jack Jiajia Chief Executive Officer · indirect
Bought on a plan
$1.43M 56,700 at 25.23
0.2%
Bought on a plan
1 Jun 2026
FRIBOURG PAUL J Director · indirect
Bought
$19.31M 260,000 at 74.28
10.7%
Largest buy in 3 yrs
1 Jun 2026
Bought
$12.62M 695,000 at 18.16
×78
First buy on file
1 Jun 2026
TANG KEVIN Chief Executive Officer · indirect
Bought 2×
$5.25M 343,620 at 15.28
2.8%
1 Jun 2026
Weinbach Michael S Chief Executive Officer- Elect
Bought
$4.08M 120,487 at 33.89
opened
First buy on file
1 Jun 2026
Bought
$3.30M 330,000 at 10.00
opened
First buy on file
1 Jun 2026
WALLMAN RICHARD F Director · indirect
Bought
$1.54M 20,000 at 76.85
23.4%
Largest buy in 3 yrs
1 Jun 2026
Huang Jack Jiajia Chief Executive Officer · indirect
Bought on a plan
$1.24M 48,300 at 25.57
0.2%
Bought on a plan
1 Jun 2026
FRIBOURG PAUL J Director
Bought
$1.01M 13,500 at 74.49
45.5%
+46% of stake
29 May 2026
Ye Guofu Chief Executive Officer · indirect
Bought 2×
$6.40M 1,950,000 at 3.28
0.6%
First buy on file
29 May 2026
Yang Yunyun (Alice) Vice President · indirect
Bought 2×
$6.40M 1,950,000 at 3.28
0.6%
First buy on file
29 May 2026
TANG KEVIN Chief Executive Officer · indirect
Bought 2×
$4.06M 264,981 at 15.31
2.2%
28 May 2026
Bought
$3.59B 896,832,000 at 4.00
7.2%
28 May 2026
Malka Meyer Director · indirect
Bought
$20.02M 249,000 at 80.39
7.7%
First buy on file
28 May 2026
ORBIMED ADVISORS LLC Director · indirect
Bought 2×
$15.00M 1,875,000 at 8.00
115%
First buy on file
28 May 2026
Xu Diyong Director · indirect
Bought 2×
$15.00M 1,875,000 at 8.00
115%
First buy on file
28 May 2026
Sukhtian Ghiath M. Director · indirect
Bought
$5.00M 8,539,709 at 0.59
63.0%
First buy in 3+ yrs
28 May 2026
Satter Muneer A Director · indirect
Bought
$3.32M 613,497 at 5.41
6.3%
Largest buy in 3 yrs
28 May 2026
Wurster Richard A President & CEO
Bought
$1.85M 21,959 at 84.23
11.2%
Largest buy in 3 yrs
28 May 2026
Bought
$1.07M 4,000 at 266.26
16.8%
Largest buy in 3 yrs
28 May 2026
Bought
$1.01M 59,118 at 17.00
×41
First buy in 3+ yrs
27 May 2026
Saba Capital Management, L.P. 10% owner · indirect
Bought
$2.88M 241,593 at 11.93
7.7%
Largest buy in 3 yrs
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