Insider trading

Period: 12 months Stock: GRND 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.

36 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.

36 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.

36 decisions over 12 months
The trade

Minimum amount

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

36 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.
36 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
36 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.

36 decisions over 12 months
Stock
Insider
Type ?
Why it stands out
2 Oct 2026
Sold on a plan
$3.99M 292,270 at 13.65
3.9%
Planned (10b5-1)
1 Oct 2026
Sold on a plan 3×
$2.94M 207,730 at 14.17
2.7%
Planned (10b5-1)
17 Sep 2026
Sold on a plan
$2.56M 166,400 at 15.41
2.1%
Planned (10b5-1)
16 Sep 2026
Sold on a plan
$5.21M 333,600 at 15.62
4.1%
Planned (10b5-1)
31 Aug 2026
Balance Austin J Chief Product Officer
Sold on a plan
$1.39M 89,638 at 15.46
9.5%
Planned (10b5-1)
6 Feb 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$4.75M 475,000 at 10.01
2.5%
Not planned
5 Feb 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$6.04M 600,000 at 10.07
3.1%
Not planned
4 Feb 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$3.80M 375,000 at 10.13
1.9%
Not planned
3 Feb 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$2.51M 234,339 at 10.73
1.2%
Not planned
2 Feb 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$1.99M 178,427 at 11.14
0.9%
Not planned
30 Jan 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$2.25M 200,000 at 11.27
1.0%
Not planned
27 Jan 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$2.35M 200,000 at 11.74
1.0%
Not planned
26 Jan 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$2.86M 239,000 at 11.97
1.1%
Not planned
23 Jan 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$2.38M 200,000 at 11.90
0.9%
Not planned
22 Jan 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$2.40M 200,000 at 11.98
0.9%
Not planned
21 Jan 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$2.40M 200,000 at 11.99
0.9%
Not planned
20 Jan 2026
Lu James Fu Bin 10% owner · indirect
Sold at will
$2.41M 200,000 at 12.06
0.9%
Not planned
12 Jan 2026
Lu James Fu Bin 10% owner
Sold at will
$1.49M 112,368 at 13.23
96.2%
Sold half or more
9 Jan 2026
Lu James Fu Bin 10% owner
Sold at will
$4.00M 302,939 at 13.22
72.2%
Sold half or more
5 Jan 2026
Lu James Fu Bin 10% owner
Sold at will
$1.25M 92,071 at 13.53
18.0%
Not planned
23 Dec 2025
Lu James Fu Bin 10% owner
Sold at will
$1.38M 100,000 at 13.80
15.2%
Not planned
4 Dec 2025
Bought
$1.08M 80,000 at 13.50
1.0%
3 Dec 2025
Bought
$1.36M 100,000 at 13.56
1.3%
3 Dec 2025
Zage George Raymond III Director · indirect
Bought
$1.01M 75,000 at 13.48
5.7%
2 Dec 2025
Zage George Raymond III Director · indirect
Bought
$1.30M 100,000 at 12.95
8.3%
1 Dec 2025
Zage George Raymond III Director · indirect
Bought
$1.94M 150,000 at 12.91
14.1%
28 Nov 2025
Bought
$1.93M 150,000 at 12.88
1.9%
18 Nov 2025
Lu James Fu Bin 10% owner · indirect
Sold at will
$1.03M 75,748 at 13.65
0.3%
Not planned
14 Nov 2025
Lu James Fu Bin 10% owner · indirect
Sold at will
$5.13M 363,665 at 14.10
1.6%
Not planned
13 Nov 2025
Lu James Fu Bin 10% owner · indirect
Sold at will
$2.97M 205,579 at 14.45
0.9%
Not planned
12 Nov 2025
Lu James Fu Bin 10% owner · indirect
Sold at will
$4.32M 291,948 at 14.80
1.3%
Not planned
11 Nov 2025
Lu James Fu Bin 10% owner · indirect
Sold at will
$8.38M 558,744 at 14.99
2.3%
Not planned
17 Oct 2025
Lu James Fu Bin Director · indirect
Sold at will
$3.28M 250,000 at 13.13
1.0%
Not planned
16 Oct 2025
Lu James Fu Bin Director · indirect
Sold at will
$5.06M 400,000 at 12.66
1.6%
Not planned
15 Oct 2025
Lu James Fu Bin Director · indirect
Sold at will
$5.18M 400,000 at 12.96
1.6%
Not planned
13 Oct 2025
Lu James Fu Bin Director · indirect
Sold at will 2×
$4.53M 350,000 at 12.95
1.4%
Not planned
Showing 1–36 of 36.