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
6 May 2026
RA CAPITAL MANAGEMENT, L.P. Director · indirect
Bought 2×
$1.67M 68,018 at 24.60
1.1%
5 May 2026
Bought
$23.60M 530,338 at 44.50
18.7%
First buy on file
5 May 2026
GENERAL ATLANTIC, L.P. Director · indirect
Bought
$11.79M 700,000 at 16.84
4.4%
5 May 2026
Bought
$11.79M 700,000 at 16.84
4.4%
5 May 2026
SARVADI PAUL J Chairman of the Board & CEO
Bought 3×
$2.87M 100,000 at 28.73
16.7%
5 May 2026
RA CAPITAL MANAGEMENT, L.P. Director · indirect
Bought 2×
$2.40M 97,411 at 24.63
1.6%
5 May 2026
Koerl Carsten Chief Executive Officer
Bought
$2.12M 158,000 at 13.40
6.4%
5 May 2026
Engine Capital Management, LP 10% owner · indirect
Bought 2×
$1.35M 112,950 at 11.99
3.1%
4 May 2026
RA CAPITAL MANAGEMENT, L.P. Director · indirect
Bought 2×
$48.15M 2,675,000 at 18.00
77.0%
First buy on file
4 May 2026
ARCH Venture Partners XII, LLC 10% owner · indirect
Bought
$19.80M 1,100,000 at 18.00
21.2%
First buy on file
4 May 2026
GENERAL ATLANTIC, L.P. Director · indirect
Bought
$8.83M 521,771 at 16.92
3.4%
4 May 2026
Bought
$8.83M 521,771 at 16.92
3.4%
4 May 2026
Koerl Carsten Chief Executive Officer
Bought
$2.44M 182,000 at 13.38
8.0%
Largest buy in 3 yrs
4 May 2026
Huang Jack Jiajia Chief Executive Officer · indirect
Bought on a plan
$2.41M 83,580 at 28.79
0.3%
Bought on a plan
4 May 2026
ADAR1 Capital Management, LLC 10% owner · indirect
Bought 2×
$1.69M 120,804 at 13.97
19.4%
First buy on file
1 May 2026
Bought
$310.02M 6,429,337 at 48.22
opened
1 May 2026
SR ONE CAPITAL MANAGEMENT, LLC 10% owner · indirect
Bought 2×
$10.00M 555,555 at 18.00
34.1%
First buy on file
1 May 2026
Novo Holdings A/S 10% owner
Bought
$10.00M 555,555 at 18.00
16.7%
First buy on file
1 May 2026
Carroll Jill Director · indirect
Bought
$5.00M 277,778 at 18.00
14.6%
First buy on file
1 May 2026
FLORANCE ANDREW C President and CEO
Bought 2×
$2.51M 71,430 at 35.20
4.3%
Largest buy in 3 yrs
1 May 2026
Koerl Carsten Chief Executive Officer
Bought
$1.89M 143,000 at 13.23
6.7%
Largest buy in 3 yrs
1 May 2026
Huang Jack Jiajia Chief Executive Officer · indirect
Bought on a plan
$1.53M 52,560 at 29.05
0.2%
Bought on a plan
1 May 2026
Clay Catherine R CEO, S&P Dow Jones Indices
Bought
$1.08M 2,500 at 431.39
opened
First buy on file
1 May 2026
Almeida Andre Chief Broadband, Ent. & Emerg
Bought
$1.00M 5,097 at 196.18
12.8%
Largest buy in 3 yrs
30 Apr 2026
VOLKSWAGEN AG 10% owner · indirect
Bought
$999.94M 62,889,522 at 15.90
42.8%
First buy on file
30 Apr 2026
ACKMAN WILLIAM A Chief Executive Officer
Bought 2×
$196.00M 4,000,000 at 49.00
opened
First buy on file
30 Apr 2026
ACKMAN WILLIAM A Chief Executive Officer · indirect
Bought 3×
$44.86M 897,171 at 50.00
opened
First buy on file
30 Apr 2026
ISRAEL RYAN Chief Investment Officer
Bought
$25.00M 500,000 at 50.00
opened
First buy on file
30 Apr 2026
ACKMAN WILLIAM A CEO & Chairman
Bought 3×
$19.02M 800,000 at 23.77
114%
First buy on file
30 Apr 2026
Hakim Ben President
Bought 2×
$17.50M 350,000 at 50.00
opened
First buy on file
30 Apr 2026
Bought
$12.50M 250,000 at 50.00
opened
First buy on file
30 Apr 2026
Coussin Halit Chief Compliance Officer
Bought
$10.00M 200,000 at 50.00
opened
First buy on file
30 Apr 2026
Gonnella Michael Chief Financial Officer
Bought
$5.00M 100,000 at 50.00
opened
First buy on file
30 Apr 2026
Koerl Carsten Chief Executive Officer
Bought
$1.45M 111,100 at 13.06
5.5%
First buy on file
29 Apr 2026
Bought
$1.83B 458,697,600 at 4.00
3.9%
29 Apr 2026
Klein Michael Stuart See Remarks · indirect
Bought
$3.50M 350,000 at 10.00
opened
First buy on file
29 Apr 2026
Yu Tsz Ngo Chief Financial Officer · indirect
Bought 2×
$3.50M 57,324 at 61.05
opened
First buy on file
29 Apr 2026
Hannigan Todd Executive Chairman
Bought
$1.09M 260,000 at 4.20
1.0%
Largest buy in 3 yrs
28 Apr 2026
Bought
$4.32B 1,080,000,000 at 4.00
10.1%
28 Apr 2026
Huang Jack Jiajia Chief Executive Officer · indirect
Bought on a plan
$1.74M 64,500 at 26.99
0.2%
Bought on a plan
27 Apr 2026
Huang Jack Jiajia Chief Executive Officer · indirect
Bought on a plan
$4.24M 161,280 at 26.30
0.6%
Bought on a plan
24 Apr 2026
Sprott Eric 10% owner · indirect
Bought
$3.78M 100,000 at 37.84
0.3%
24 Apr 2026
Huang Jack Jiajia Chief Executive Officer · indirect
Bought on a plan
$1.04M 39,720 at 26.07
0.2%
Bought on a plan
23 Apr 2026
Huang Jack Jiajia Chief Executive Officer · indirect
Bought on a plan
$1.90M 73,740 at 25.71
0.3%
Bought on a plan
23 Apr 2026
Panagiotidis Petros Panagiotis Chief Executive Officer · indirect
Bought
$1.73M 265,836 at 6.52
1.3%
22 Apr 2026
Panagiotidis Petros Panagiotis Chief Executive Officer · indirect
Bought 2×
$12.06M 1,982,728 at 6.08
10.7%
First buy on file
22 Apr 2026
Saba Capital Management, L.P. 10% owner · indirect
Bought
$2.18M 100,000 at 21.83
5.6%
Largest buy in 3 yrs
21 Apr 2026
ORBIMED ADVISORS LLC Director · indirect
Bought 2×
$12.50M 2,815,315 at 4.44
31.3%
Largest buy in 3 yrs
21 Apr 2026
Bonita David P Director · indirect
Bought 2×
$12.50M 2,815,315 at 4.44
31.3%
Largest buy in 3 yrs
20 Apr 2026
Kaplan Andrew T. Director · indirect
Bought
$134.38M 8,398,438 at 16.00
47.0%
First buy on file
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