XMTR

Xometry, Inc.

NasdaqConsumer DiscretionaryServices-Business Services, NEC

Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingAug 31, 2026Most recent Form 4
Total buying$00 buys
Total selling$198M11 sells
Net open-market-$198M5 insiders
Open-market mix
Buy vs sell distribution by transaction count
11 transactions
0 buys0%·100%11 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
1580-8-15transactionsAug 2026 sells: 11 transactions · $198M11AugSep

Transaction codes

By Form 4 transaction code in selected period
18transactions
  • S · Open-market sells · dominant11 · 61%
  • M · Option exercise6 · 33%
  • G · Gifts1 · 6%

Activity by reported role

A joint filing can contribute to multiple roles
18transactions
  • Director · dominant12 · 67%
  • Chief executive officer5 · 28%
  • CTO1 · 6%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (5)
Aug 2026Sep 2026
5distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Sahni Sanjeev SinghClass A Common Stock · Direct
183.5k182.4kAug 17, 2026 · 183,521 shares owned afterAug 17, 2026 · 182,403 shares owned afterAug 17, 2026 · 182,407 shares owned afterAug 17, 2026 · 182,732 shares owned afterAug 17, 2026 · 182,998 shares owned afterAug 17, 2026Aug 17, 2026
182,998Aug 17, 2026
Rollins EmilyClass A Common Stock · Direct
20.1k15.1kAug 19, 2026 · 17,596 shares owned afterAug 19, 2026 · 20,136 shares owned afterAug 19, 2026 · 15,904 shares owned afterAug 19, 2026 · 15,136 shares owned afterAug 19, 2026Aug 19, 2026
15,136Aug 19, 2026
Weymouth KatharineClass A Common Stock · Direct
40.3k35.3kAug 28, 2026 · 35,345 shares owned afterAug 28, 2026 · 40,345 shares owned afterAug 31, 2026 · 35,345 shares owned afterAug 31, 2026 · 40,345 shares owned afterAug 28, 2026Aug 31, 2026
40,345Aug 31, 2026
Weymouth KatharineStock Option (Right to Buy) · Direct
00Aug 28, 2026 · 0 shares owned afterAug 31, 2026 · 0 shares owned afterAug 28, 2026Aug 31, 2026
0Aug 31, 2026
Rollins EmilyStock Option (Right to Buy) · Direct
41.6k41.6kAug 19, 2026 · 41,650 shares owned afterAug 19, 2026Aug 19, 2026
41,650Aug 19, 2026
Altschuler RandolphClass A Common Stock · Indirect · Held by the 2021 Tigers Trust
00Aug 20, 2026 · 0 shares owned afterAug 20, 2026Aug 20, 2026
0Aug 20, 2026
Raghavan VaidyanathanClass A Common Stock · Direct
135.8k135.8kAug 27, 2026 · 135,777 shares owned afterAug 27, 2026Aug 27, 2026
135,777Aug 27, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
3 active days
Aug 03Sep 03
LessMore
Top insiders
By absolute net value across the selected period
4 insiders
Recent filing activity
Most recent 12 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$48.3M
10b5-1 detected10
Amended rows0

XMTR transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
XMTRWeymouth Katharine
DIR
exercise5.00k$0M0.0%08/3108/31
XMTRWeymouth Katharine
DIR
exercise5.00k$0M0.0%08/3108/28
XMTRWeymouth Katharine
DIR
sale5.00k-$47.6MS0.0%08/3108/31
XMTRWeymouth Katharine
DIR
exercise5.00k$2.23MM0.0%08/3108/31
XMTRWeymouth Katharine
DIR
sale5.00k-$47.1MS0.0%08/3108/28
XMTRWeymouth Katharine
DIR
exercise5.00k$2.23MM0.0%08/3108/28
XMTRAltschuler Randolph
DIR
gift85.5k$0G+12.6%08/2108/20
XMTRRollins Emily
DIR
exercise10b5-15.00k$0M+12.6%08/2108/19
XMTRRollins Emily
DIR
sale10b5-1768-$6.56MS+12.6%08/2108/19
XMTRRollins Emily
DIR
sale10b5-11.69k-$14.3MS+12.6%08/2108/19
XMTRRollins Emily
DIR
sale10b5-12.54k-$21.2MS+12.6%08/2108/19
XMTRRollins Emily
DIR
exercise10b5-15.00k$6.16MM+12.6%08/2108/19
XMTRSahni Sanjeev Singh
CEO
sale10b5-14-$38.5kS+6.1%08/1808/17
XMTRSahni Sanjeev Singh
CEO
sale10b5-1325-$3.02MS+6.1%08/1808/17
XMTRSahni Sanjeev Singh
CEO
sale10b5-1266-$2.41MS+6.1%08/1808/17
XMTRSahni Sanjeev Singh
CEO
sale10b5-1523-$4.67MS+6.1%08/1808/17
XMTRSahni Sanjeev Singh
CEO
sale10b5-1382-$3.36MS+6.1%08/1808/17

Xometry, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Xometry, Inc.?

Weymouth Katharine, Raghavan Vaidyanathan, Altschuler Randolph, Rollins Emily, Sahni Sanjeev Singh.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Weymouth Katharine reported a sale on Aug 31, 2026 valued at $47.6M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $1,988,300.37. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.