XMTR Xometry, Inc.
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.
How much of that selling was preplanned? 76% planned / 24% discretionary
Largest single sale: $483.8K.
Where they traded
Last open-market purchase: June 3, 2026 , by Biewald Lukas Alexander .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Rosati Fabio 4 fills | Director | Sell 10b5-1 | 1,800 | $120.52 | $216.9K | 91,085 −1.9% of holding | |
| Miln James 8 fills | Chief Financial Officer | Sell 10b5-1 | 4,000 | $113.81 | $455.2K | 177,088 −2.2% of holding | |
| Altschuler Randolph 8 fills | Director | Sell 10b5-1 | 10,000 | $108.90 | $1.1M | 540,009 −1.8% of holding | |
| Sahni Sanjeev Singh 3 fills | Chief Executive Officer | Sell 10b5-1 | 1,500 | $108.80 | $163.2K | 179,095 −0.8% of holding | |
| Altschuler Randolph 6 fills | Director | Sell 10b5-1 | 5,721 | $103.32 | $591.1K | 427,118 −1.3% of holding | |
| Raghavan Vaidyanathan 5 fills | Chief Technology Officer | Sell 10b5-1 | 1,866 | $103.28 | $192.7K | 135,228 −1.4% of holding | |
| Sahni Sanjeev Singh 6 fills | Chief Executive Officer | Sell 10b5-1 | 1,112 | $103.28 | $114.9K | 180,636 −0.6% of holding | |
| Altschuler Randolph 5 fills | Director | Sell 10b5-1 | 10,000 | $104.04 | $1.0M | 547,323 −1.8% of holding | |
| 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 |
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.