XMTR Xometry, Inc.

NASDAQ
$104.23

Xometry, Inc. (XMTR) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with XMTR's own trailing one-year pace, with 35% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 6 sellers in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
8
79 transactions
Purchases
$4.0M
47,058 shares
Sales
$10.3M
114,996 shares
Net activity
-$6.3M
purchases less sales

How much of that selling was preplanned? 35% planned / 65% discretionary

10b5-1 plan sales $3.5M 60 transactions · 39,996 shares
Discretionary sales $6.7M 19 transactions · 75,000 shares

Largest single sale: $1.0M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: June 3, 2026 , by Biewald Lukas Alexander .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Sahni Sanjeev Singh 4 fills Chief Executive Officer Sell 10b5-1 1,500 $85.23 $127.8K 182,076 −0.8% of holding
Weymouth Katharine Director Sell 5,000 $95.23 $476.2K 35,345 −12.4% of holding
Weymouth Katharine Director Sell 5,000 $94.30 $471.5K 35,345 −12.4% of holding
Raghavan Vaidyanathan Chief Technology Officer Sell 5,000 $96.77 $483.8K 135,777 −3.6% of holding
Rollins Emily 3 fills Director Sell 10b5-1 5,000 $84.31 $421.5K 17,596 −22.1% of holding
Sahni Sanjeev Singh 5 fills Chief Executive Officer Sell 10b5-1 1,500 $90.19 $135.3K 183,521 −0.8% of holding
Rosati Fabio Director Sell 1,900 $89.72 $170.5K 91,667 −2% of holding
Rosati Fabio 3 fills Director Sell 8,100 $91.45 $740.7K 94,267 −7.9% of holding
Miln James 4 fills Chief Financial Officer Sell 10b5-1 1,500 $87.92 $131.9K 178,379 −0.8% of holding
Altschuler Randolph 6 fills Director Sell 10b5-1 5,722 $93.30 $533.9K 432,752 −1.3% of holding
Miln James 6 fills Chief Financial Officer Sell 10b5-1 2,392 $93.29 $223.1K 180,991 −1.3% of holding
Raghavan Vaidyanathan 6 fills Chief Technology Officer Sell 10b5-1 1,866 $93.21 $173.9K 142,215 −1.3% of holding
Dutt Subir 6 fills Chief Sales Officer Sell 10b5-1 1,073 $93.39 $100.2K 94,515 −1.1% of holding
Miln James 3 fills Chief Financial Officer Sell 10b5-1 1,500 $97.06 $145.6K 182,618 −0.8% of holding
Biewald Lukas Alexander Director Buy 47,058 $85.00 $4.0M 55,134
Miln James 6 fills Chief Financial Officer Sell 10b5-1 1,500 $96.90 $145.3K 184,231 −0.8% of holding
Dutt Subir Chief Sales Officer Sell 10b5-1 2,500 $95.00 $237.5K 94,789 −2.6% of holding
Altschuler Randolph 12 fills Chief Executive Officer Sell 50,000 $87.85 $4.4M 579,539 −7.9% of holding
Dutt Subir 5 fills Chief Sales Officer Sell 10b5-1 4,943 $89.20 $440.9K 99,732 −4.7% of holding
Dutt Subir Chief Sales Officer Sell 10b5-1 2,500 $85.00 $212.5K 102,232 −2.4% of holding
Dutt Subir 2 fills Chief Sales Officer Sell 10b5-1 5,000 $79.86 $399.3K 108,122 −4.4% of holding
Miln James 2 fills Chief Financial Officer Sell 10b5-1 1,500 $79.69 $119.5K 185,159 −0.8% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.