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908 Devices Inc.

MASS
Exchange
Nasdaq
Industry
Laboratory Analytical Instruments
SEC CIK
0001555279

In the last 90 days, 908 Devices Inc. insiders filed 0 open-market purchases and 13 sales; 111 institutions reported holding it in 13F filings for Q2 2026, worth $244.1M in total; ARK Invest is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by 908 Devices Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
13 filings
5 insiders, $4.24M in total
Insiders trading
5
Net value
−$4.24M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for 908 Devices Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for 908 Devices Inc.
NameTitleLast reported holdingLast filingFilings, past year
AWM Investment Company, Inc.10% Owner4,754,773IndirectSep 25, 20268
Kenneweg JohnSVP, Sales & Product Marketing57,784Sep 17, 20264
Brown Christopher D.Director775,559Sep 4, 202612
Griffith Joseph H. IVChief Financial Officer121,497Aug 27, 20264
Knopp Kevin J.President and CEO555,968Aug 17, 20266
Vann Brandi CDirector5,192Aug 3, 20262
Leonhart Michele M.Director27,054Jun 25, 20262
Crandell KeithDirector39,374Jun 12, 20261
Eloi Fenel MDirector40,897Jun 12, 20261
Hrusovsky E KevinDirector165,390Jun 12, 20261
Hunt AnthonyDirector44,168Jun 12, 20261
Spoto MarkDirector89,346Jun 12, 20262
Otitoju Kolawole A.Chief Bus. & Strategy Officer–Apr 22, 20261
McCallion Kevin J.SVP, Products and Production44,925Apr 14, 20263
Turner Michael S.Chief Legal & Admin Officer0Jun 18, 20250
George Jeffrey P.Director26,814Jun 13, 20250
Eisenberg MarciaDirector25,957Jun 13, 20250
Fitzpatrick MauraVP, Product Management & Mktg2,834Feb 3, 20230
Barthelemy NicolasDirector15,379Jun 17, 20220
Basarsky Trent A.VP, Corporate Development80,000Apr 28, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 5, 2022 (view filing)Aug 3-42 daysGriffith Joseph H. IVChief Financial OfficerSSaleCommon Stock, par value $0.001−13.3K$24.39−$325.1K−12.7%91.6K after2 lots
Aug 9, 2022 (view filing)Aug 5-84 daysKnopp Kevin J.President and CEOSSaleCommon Stock, par value $0.001−26.2K$25.32−$663.2K−4.2%590.6K after2 lots
Aug 17, 2022 (view filing)Aug 152 daysKnopp Kevin J.President and CEOSSaleCommon Stock, par value $0.001−30.0K$19.27−$578.1K−5.1%560.6K after2 lots
Aug 18, 2022 (view filing)Aug 171 dayTurner Michael S.VP, General CounselSSaleCommon Stock, par value $0.001−5.00K$18.15−$90.8K−100.0%0 after
Sep 14, 2022 (view filing)Sep 122 daysBrown Christopher D.Chief Technology OfficerSSaleCommon Stock, par value $0.001−20.0K$19.58−$391.6K−2.2%908.9K after
Sep 19, 2022 (view filing)Sep 154 daysKnopp Kevin J.President and CEOSSaleCommon Stock, par value $0.001−30.0K$16.94−$508.2K−5.4%530.6K after
Oct 19, 2022 (view filing)Oct 17-182 daysKnopp Kevin J.President and CEOSSaleCommon Stock, par value $0.001−30.0K$15.08−$452.4K−5.7%500.6K after2 lots
Nov 17, 2022 (view filing)Nov 152 daysKnopp Kevin J.President and CEOSSaleCommon Stock, par value $0.001−20.0K$11.04−$220.8K−4.0%480.6K after3 lots
Nov 23, 2022 (view filing)Nov 221 daySpoto MarkDirectorPPurchaseCommon Stock, par value $0.001+2.58K$9.65+$24.9K+6.8%40.4K after
Feb 3, 2023 (view filing)Feb 1-22 daysBrown Christopher D.Chief Technology OfficerSSale−11.6K$9.91−$114.6K−1.3%902.4K after2 lots
Feb 3, 2023 (view filing)Feb 12 daysFitzpatrick MauraVP, Product Management & MktgSSale−1.59K$9.20−$14.7K−36.0%2.83K after
Feb 3, 2023 (view filing)Feb 1-22 daysGriffith Joseph H. IVChief Financial OfficerSSale−5.10K$9.72−$49.6K−5.3%91.6K after2 lots
Feb 3, 2023 (view filing)Feb 1-22 daysKnopp Kevin J.President and CEOSSale−44.0K$10.40−$458.3K−9.0%447.8K after2 lots
Feb 3, 2023 (view filing)Feb 1-22 daysTurner Michael S.VP, General CounselSSale−4.43K$9.72−$43.0K−100.0%0 after2 lots
Feb 17, 2023 (view filing)Feb 15-162 daysKnopp Kevin J.President and CEOSSaleCommon Stock, par value $0.001−20.0K$10.25−$205.0K−4.5%427.8K after2 lots
May 25, 2023 (view filing)May 232 daysKnopp Kevin J.President and CEOSSaleCommon Stock, par value $0.001−60.0K$10.12−$607.2K−14.0%367.8K after10b5-1
May 25, 2023 (view filing)May 232 daysBrown Christopher D.Chief Technology OfficerSSaleCommon Stock, par value $0.001−10.0K$10.02−$100.2K−1.1%892.4K after10b5-1
Jun 9, 2023 (view filing)Jun 72 daysBrown Christopher D.Chief Product OfficerSSale−4.47K$10.03−$44.8K−0.5%897.9K after10b5-1
Dec 21, 2023 (view filing)Dec 19-212 daysBrown Christopher D.Chief Product OfficerSSale−20.0K$9.10−$182.0K−2.2%877.9K after4 lots
Dec 21, 2023 (view filing)Dec 192 daysGriffith Joseph H. IVChief Financial OfficerSSale−5.58K$9.08−$50.7K−6.1%86.0K after
Jan 2, 2024 (view filing)Dec 28, 20235 daysGriffith Joseph H. IVChief Financial OfficerSSale−6.00K$12.08−$72.5K−7.0%80.0K after
Feb 2, 2024 (view filing)Feb 11 dayBrown Christopher D.Chief Product OfficerSSale−3.96K$7.01−$27.7K−0.4%886.4K after2 lots
Feb 2, 2024 (view filing)Feb 11 dayKnopp Kevin J.President and CEOSSale−9.07K$7.00−$63.5K−2.2%412.0K after2 lots
Feb 2, 2024 (view filing)Feb 11 dayTurner Michael S.Chief Legal & Admin OfficerSSale−5.23K$6.99−$36.6K−36.5%9.11K after2 lots
Feb 2, 2024 (view filing)Feb 1-21 dayGriffith Joseph H. IVChief Financial OfficerSSale−15.4K$7.06−$108.7K−16.2%80.0K after3 lots
May 7, 2024 (view filing)May 7Same dayKnopp Kevin J.President and CEOPPurchase+10.0K$5.60+$56.0K+2.2%469.0K after
May 8, 2024 (view filing)May 8Same dayKnopp Kevin J.President and CEOPPurchase+10.0K$5.72+$57.2K+2.1%479.0K after
May 9, 2024 (view filing)May 9Same dayKnopp Kevin J.President and CEOPPurchase+10.0K$5.83+$58.3K+2.1%489.0K after
May 10, 2024 (view filing)May 10Same dayKnopp Kevin J.President and CEOPPurchase+10.0K$5.77+$57.7K+2.0%499.0K after
May 13, 2024 (view filing)May 13Same dayKnopp Kevin J.President and CEOPPurchase+10.0K$6.42+$64.2K+2.0%509.0K after
Feb 4, 2025 (view filing)Feb 31 dayBrown Christopher D.Chief Product OfficerSSale−7.77K$2.34−$18.2K−0.8%962.1K after3 lots
Feb 4, 2025 (view filing)Feb 31 dayKnopp Kevin J.President and CEOSSale−16.0K$2.32−$37.1K−2.3%692.7K after3 lots
Feb 4, 2025 (view filing)Feb 31 dayTurner Michael S.Chief Legal & Admin OfficerSSale−9.67K$2.33−$22.5K−28.2%24.6K after3 lots
Feb 4, 2025 (view filing)Feb 31 dayGriffith Joseph H. IVChief Financial OfficerSSale−10.2K$2.34−$24.0K−8.5%109.9K after3 lots
May 14, 2025 (view filing)May 14Same dayKnopp Kevin J.President and CEOPPurchase+15.0K$4.32+$64.8K+2.2%707.7K after
May 15, 2025 (view filing)May 141 daySpoto MarkDirectorPPurchase+10.0K$4.29+$42.9K+18.9%63.0K after2 lots
May 19, 2025 (view filing)May 154 daysKnopp Kevin J.President and CEOPPurchase+15.0K$4.44+$66.6K+2.1%722.7K after
Jun 6, 2025 (view filing)Jun 42 daysGriffith Joseph H. IVChief Financial OfficerSSale−6.94K$7.08−$49.1K−6.3%102.9K after
Jun 18, 2025 (view filing)Jun 16-182 daysTurner Michael S.Chief Legal & Admin OfficerSSale−24.6K$7.51−$184.8K−100.0%0 after3 lots
Sep 23, 2025 (view filing)Sep 194 daysGriffith Joseph H. IVChief Financial OfficerSSale−5.00K$7.07−$35.4K−4.9%97.9K after10b5-1
Oct 6, 2025 (view filing)Oct 2-34 daysGriffith Joseph H. IVChief Financial OfficerSSale−5.00K$9.05−$45.2K−5.1%92.9K after2 lots10b5-1
Feb 3, 2026 (view filing)Feb 21 dayGriffith Joseph H. IVChief Financial OfficerSSale−23.2K$6.18−$143.2K−14.2%139.9K after
Feb 3, 2026 (view filing)Feb 21 dayKnopp Kevin J.President and CEOSSale−34.8K$6.18−$214.8K−4.2%796.0K after
Mar 5, 2026 (view filing)Mar 23 daysMcCallion Kevin J.SVP, Products and ProductionSSale−7$7.00−$490.0%44.9K afterAmended10b5-1
Apr 10, 2026 (view filing)Apr 8-102 daysBrown Christopher D.DirectorSSale−40.0K$7.06−$282.3K−4.1%945.6K after3 lots10b5-1
Apr 10, 2026 (view filing)Apr 8-92 daysMcCallion Kevin J.SVP, Products and ProductionSSale−24.0K$7.05−$169.1K−34.8%44.9K after2 lots10b5-1
Apr 14, 2026 (view filing)Apr 104 daysMcCallion Kevin J.SVP, Products and ProductionSSale−2.69K$7.01−$18.9K−5.7%44.9K after10b5-1
May 4, 2026 (view filing)May 13 daysKenneweg JohnSVP, Sales & Product MarketingSSale−7.79K$6.83−$53.2K−9.3%76.0K after
May 7, 2026 (view filing)May 61 dayBrown Christopher D.DirectorSSale−20.0K$7.23−$144.6K−2.1%925.6K after10b5-1
May 8, 2026 (view filing)May 6-82 daysAWM Investment Company, Inc.10% OwnerSSale908 DEVICES, INC.−78.2K$8.08−$632.3K−1.5%5.12M after4 lots