LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
OUSTCIK 0001816581

Ouster, Inc.

112 transactions by 13 insiders, from October 17, 2025 to October 5, 2026.

Transactions
11213 insiders
Bought · P
$178Kopen market
Sold · S
$45.9Mopen market
Net
−$45.7Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Mark FrichtlCTO6359/63—$30.7M
Megan ChungGC87/8—$1.8M
Kenneth P. GianellaCFO76/7—$4.5M
Susan HeysteeDir6——$324K
Darien SpencerCOO65/6—$3.9M
Stephen A. SkaggsDir54/5—$518K
Cyrille JacquemetChief42/4—$1.4M
Charles Angus PacalaCEO43/4—$2.8M
Virginia BouletDir3—$178K—
Ted L. Tewksbury IIIDir33/3—$114K
Phillip EylerDir1———
Christina CorreiaDir1———
Ernest E. MaddockDir1———

All transactions

112 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Susan HeysteeDirOct 5A779$44.12$34K
Megan ChungGCSep 14SPLAN11,484$33.96$390K
Darien SpencerCOOSep 14SPLAN12,808$33.96$435K
Charles Angus PacalaCEOSep 14SPLAN30,385$33.96$1.0M
Cyrille JacquemetChiefSep 14S8,896$33.96$302K
Kenneth P. GianellaCFOSep 14SPLAN15,686$33.96$533K
Mark FrichtlCTOSep 14SPLAN18,778$33.96$638K
Mark FrichtlCTOSep 2G38,745$0.00—
Mark FrichtlCTODERIVAug 26M100,000$0.00—?
Mark FrichtlCTOAug 26M100,000$14.22$1.4M
Kenneth P. GianellaCFOAug 18SPLAN508$47.09$24K
Kenneth P. GianellaCFOAug 18SPLAN8,201$46.40$381K
Kenneth P. GianellaCFOAug 18SPLAN13,364$45.52$608K
Kenneth P. GianellaCFOAug 18SPLAN17,927$44.65$800K
Stephen A. SkaggsDirAug 6SPLAN3,614$45.18$163K
Stephen A. SkaggsDirAug 5SPLAN1,386$46.48$64K
Darien SpencerCOOAug 4SPLAN30,000$45.00$1.4M
Susan HeysteeDirJul 6A660$49.83$33K
Stephen A. SkaggsDirJun 17A4,725$0.00—
Ted L. Tewksbury IIIDirJun 22SPLAN1,695$47.00$80K
Ted L. Tewksbury IIIDirJun 17APLAN4,725$0.00—
Ernest E. MaddockDirJun 17A4,725$0.00—
Susan HeysteeDirJun 17A4,725$0.00—
Phillip EylerDirJun 17A4,725$0.00—
Christina CorreiaDirJun 17A4,725$0.00—
Charles Angus PacalaCEOJun 12SPLAN29,797$38.82$1.2M
Darien SpencerCOOJun 12SPLAN12,559$38.82$488K
Cyrille JacquemetChiefJun 12S8,723$38.82$339K
Kenneth P. GianellaCFOJun 12SPLAN54,337$38.82$2.1M
Mark FrichtlCTOJun 12SPLAN18,414$38.82$715K
Megan ChungGCJun 12SPLAN11,261$38.82$437K
Darien SpencerCOOMay 26SPLAN30,001$45.00$1.4M
Cyrille JacquemetChiefMay 26SPLAN9,433$40.00$377K
Mark FrichtlCTODERIVMay 22MPLAN50,063$0.00—?
Mark FrichtlCTOMay 26SPLAN3,742$45.00$168K
Mark FrichtlCTOMay 26SPLAN45,000$44.00$2.0M
Mark FrichtlCTOMay 26SPLAN45,000$43.00$1.9M
Mark FrichtlCTOMay 26SPLAN48,191$41.99$2.0M
Mark FrichtlCTOMay 26SPLAN70,558$40.90$2.9M
Mark FrichtlCTOMay 26SPLAN76,582$39.94$3.1M
Mark FrichtlCTOMay 26SPLAN19,669$39.16$770K
Mark FrichtlCTOMay 22SPLAN40,000$37.16$1.5M
Mark FrichtlCTOMay 22SPLAN35,684$36.39$1.3M
Mark FrichtlCTOMay 22MPLAN50,063$14.22$712K
Susan HeysteeDirMay 21S9,316$34.81$324K
Cyrille JacquemetChiefMay 14SPLAN10,000$35.00$350K
Mark FrichtlCTODERIVMay 15MPLAN4,316$0.00—?
Mark FrichtlCTODERIVMay 14MPLAN40,000$0.00—?
Mark FrichtlCTODERIVMay 13MPLAN21,341$0.00—?
Mark FrichtlCTODERIVMay 13MPLAN31,434$0.00—?
Mark FrichtlCTOMay 15SPLAN4,316$36.00$155K
Mark FrichtlCTOMay 15MPLAN4,316$14.22$61K
Mark FrichtlCTOMay 14SPLAN40,000$35.00$1.4M
Mark FrichtlCTOMay 14MPLAN40,000$14.22$569K
Mark FrichtlCTOMay 13SPLAN13,659$34.00$464K
Mark FrichtlCTOMay 13SPLAN32,500$33.00$1.1M
Mark FrichtlCTOMay 13SPLAN2,500$33.00$83K
Mark FrichtlCTOMay 13SPLAN35,000$32.00$1.1M
Mark FrichtlCTOMay 13SPLAN21,341$34.00$726K
Mark FrichtlCTOMay 13MPLAN21,341$14.22$303K
Mark FrichtlCTOMay 13SPLAN31,434$31.09$977K
Mark FrichtlCTOMay 13MPLAN31,434$2.13$67K
Virginia BouletDirMay 11P1,050$25.16$26K
Virginia BouletDirMay 11P608$25.35$15K
Stephen A. SkaggsDirMay 5SPLAN5,000$30.00$150K
Mark FrichtlCTODERIVMay 5MPLAN13,451$0.00—?
Mark FrichtlCTODERIVMay 4MPLAN21,149$0.00—?
Mark FrichtlCTOMay 5SPLAN13,451$30.00$404K
Mark FrichtlCTOMay 5MPLAN13,451$2.13$29K
Mark FrichtlCTOMay 4SPLAN21,149$30.13$637K
Mark FrichtlCTOMay 4MPLAN21,149$2.13$45K
Mark FrichtlCTODERIVApr 22MPLAN400$0.00—?
Mark FrichtlCTOApr 22SPLAN400$30.00$12K
Mark FrichtlCTOApr 22MPLAN400$2.13$852
Stephen A. SkaggsDirApr 21SPLAN5,000$28.00$140K
Mark FrichtlCTODERIVApr 21MPLAN60,000$0.00—?
Mark FrichtlCTODERIVApr 20MPLAN60,000$0.00—?
Mark FrichtlCTOApr 21SPLAN30,000$29.02$871K
Mark FrichtlCTOApr 21SPLAN30,000$28.11$843K
Mark FrichtlCTOApr 21MPLAN60,000$2.13$128K
Mark FrichtlCTOApr 20SPLAN30,000$27.08$812K
Mark FrichtlCTOApr 20SPLAN30,000$26.08$783K
Mark FrichtlCTOApr 20MPLAN60,000$2.13$128K
Mark FrichtlCTODERIVApr 17MPLAN30,000$0.00—?
Mark FrichtlCTOApr 17SPLAN30,000$25.15$754K
Mark FrichtlCTOApr 17MPLAN30,000$2.13$64K
Megan ChungGCApr 16SPLAN5,837$24.70$144K
Mark FrichtlCTODERIVApr 15MPLAN20,000$0.00—?
Mark FrichtlCTODERIVApr 14MPLAN40,000$0.00—?
Mark FrichtlCTOApr 15SPLAN20,000$24.00$480K
Mark FrichtlCTOApr 15MPLAN20,000$2.13$43K
Mark FrichtlCTOApr 14SPLAN40,000$22.76$910K
Mark FrichtlCTOApr 14MPLAN40,000$2.13$85K
Darien SpencerCOOApr 11A46,125$0.00—
Charles Angus PacalaCEOApr 12A138,376$0.00—
Kenneth P. GianellaCFOApr 11A55,351$0.00—
Mark FrichtlCTOApr 11A75,415$0.00—
Megan ChungGCApr 11A46,125$0.00—
Susan HeysteeDirApr 6A1,458$19.31$28K
Mark FrichtlCTODERIVMar 25MPLAN40,000$0.00—?
Mark FrichtlCTOMar 25SPLAN40,000$20.94$838K
Mark FrichtlCTOMar 25MPLAN40,000$2.13$85K
Ted L. Tewksbury IIIDirMar 19SPLAN1,695$20.00$34K
Darien SpencerCOOMar 12SPLAN10,938$23.43$256K
Charles Angus PacalaCEOMar 12SPLAN24,657$23.43$578K
Mark FrichtlCTOMar 12SPLAN15,689$23.43$368K
Megan ChungGCMar 12SPLAN9,593$23.43$225K
Virginia BouletDirMar 6P6,500$20.95$136K
Megan ChungGCJan 16SPLAN5,837$27.24$159K
Susan HeysteeDirJan 5A1,327$24.80$33K
Megan ChungGCDec 12SPLAN10,696$24.98$267K
Megan ChungGCOct 17SPLAN5,837$31.02$181K