Kober John

Officer · MTSI

As of 2026-09-17, Kober John has 61 Form 4 transactions on record across 1 company — 49 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $8.8MIndirect: $0$8.8Mas of 2026-09-17
  • Direct $8.8M
  • Indirect $0
MTSIdirect33,583 sh$8.8M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

MTSI · 61 trades
2026-08-17: Sale, 1,699 sh ($557K)2026-08-17: Sale, 1,600 sh ($526K)2026-08-17: Sale, 1,590 sh ($510K)2026-08-17: Sale, 900 sh ($293K)2026-08-17: Sale, 500 sh ($163K)2026-08-17: Sale, 400 sh ($132K)2026-08-17: Sale, 400 sh ($130K)2026-08-17: Sale, 300 sh ($99K)2026-05-18: Sale, 1,144 sh ($408K)2026-05-18: Sale, 800 sh ($286K)2026-05-18: Sale, 800 sh ($283K)2026-05-18: Sale, 759 sh ($273K)2026-05-18: Sale, 741 sh ($266K)2026-05-18: Sale, 700 sh ($248K)2026-05-18: Sale, 537 sh ($196K)2026-05-18: Sale, 500 sh ($176K)2026-05-18: Sale, 400 sh ($147K)2026-05-18: Sale, 400 sh ($146K)2026-05-18: Sale, 363 sh ($132K)2026-05-18: Sale, 300 sh ($108K)2026-05-18: Sale, 200 sh ($76K)2026-05-15: Award / grant, 108 sh ($15K)2026-02-17: Sale, 2,223 sh ($536K)2026-02-17: Sale, 1,753 sh ($430K)2026-02-17: Sale, 767 sh ($188K)2026-02-17: Sale, 600 sh ($148K)2026-02-17: Sale, 520 sh ($129K)2026-02-17: Sale, 500 sh ($119K)2026-02-17: Sale, 300 sh ($71K)2026-02-17: Sale, 200 sh ($48K)2026-02-17: Sale, 200 sh ($47K)2026-02-17: Sale, 133 sh ($32K)2025-11-14: Award / grant, 64 sh ($7K)2025-11-10: Sale, 972 sh ($171K)2025-11-08: Withheld for tax, 775 sh ($132K)2025-11-07: Sale, 4,961 sh ($843K)2025-11-07: Sale, 3,020 sh ($510K)2025-11-07: Sale, 2,826 sh ($475K)2025-11-07: Sale, 2,758 sh ($457K)2025-11-07: Sale, 2,496 sh ($411K)2025-11-07: Sale, 1,845 sh ($308K)2025-11-07: Sale, 600 sh ($98K)2025-11-06: Withheld for tax, 22,081 sh ($3.7M)2025-11-06: Award / grant, 50,400 sh ($0)2025-10-28: Sale, 797 sh ($116K)2025-10-28: Sale, 700 sh ($102K)2025-10-28: Award / grant, 3,994 sh ($0)2025-10-27: Withheld for tax, 623 sh ($91K)2025-10-23: Withheld for tax, 428 sh ($60K)2025-08-08: Sale, 1,000 sh ($123K)2025-05-29: Sale, 2,250 sh ($283K)2025-05-16: Award / grant, 139 sh ($15K)2025-01-02: Sale, 1,425 sh ($185K)2025-01-02: Sale, 800 sh ($105K)2025-01-02: Sale, 25 sh ($3K)2024-11-08: Withheld for tax, 775 sh ($107K)2024-11-08: Sale, 568 sh ($78K)2024-11-08: Sale, 388 sh ($54K)2024-11-08: Sale, 100 sh ($14K)2024-11-07: Withheld for tax, 19,735 sh ($2.7M)2024-11-07: Award / grant, 45,220 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-17MTSISale1,699 @ $327.78$557K−4.5% of holding35,883Form 4
2026-08-17MTSISale1,600 @ $328.78$526K−4.5% of holding34,283Form 4
2026-08-17MTSISale1,590 @ $320.57$510K−3.9% of holding39,382Form 4
2026-08-17MTSISale900 @ $325.26$293K−2.3% of holding38,082Form 4
2026-08-17MTSISale500 @ $326.51$163K−1.3% of holding37,582Form 4
2026-08-17MTSISale400 @ $330.67$132K−1.2% of holding33,583Form 4
2026-08-17MTSISale400 @ $323.97$130K−1.0% of holding38,982Form 4
2026-08-17MTSISale300 @ $329.75$99K−0.9% of holding33,983Form 4
2026-05-18MTSISale1,144 @ $356.47$408K−2.5% of holding45,472Form 4
2026-05-18MTSISale800 @ $357.59$286K−1.8% of holding44,672Form 4
2026-05-18MTSISale800 @ $353.81$283K−1.7% of holding47,316Form 4
2026-05-18MTSISale759 @ $360.33$273K−1.7% of holding43,172Form 4
2026-05-18MTSISale741 @ $359.01$266K−1.7% of holding43,931Form 4
2026-05-18MTSISale700 @ $354.83$248K−1.5% of holding46,616Form 4
2026-05-18MTSISale537 @ $364.55$196K−1.3% of holding41,972Form 4
2026-05-18MTSISale500 @ $352.79$176K−1.0% of holding48,116Form 4
2026-05-18MTSISale400 @ $367.79$147K−1.0% of holding41,172Form 4
2026-05-18MTSISale400 @ $365.68$146K−1.0% of holding41,572Form 4
2026-05-18MTSISale363 @ $362.96$132K−0.8% of holding42,509Form 4
2026-05-18MTSISale300 @ $361.61$108K−0.7% of holding42,872Form 4
2026-05-18MTSISale200 @ $377.70$76K−0.5% of holding40,972Form 4
2026-02-17MTSISale2,223 @ $241.09$536K−4.1% of holding52,281Form 4
2026-02-17MTSISale1,753 @ $245.55$430K−3.4% of holding49,628Form 4
2026-02-17MTSISale767 @ $244.73$188K−1.5% of holding51,381Form 4
2026-02-17MTSISale600 @ $246.63$148K−1.2% of holding49,028Form 4
2026-02-17MTSISale520 @ $247.70$129K−1.1% of holding48,508Form 4
2026-02-17MTSISale500 @ $238.71$119K−0.9% of holding54,704Form 4
2026-02-17MTSISale300 @ $237.68$71K−0.5% of holding55,204Form 4
2026-02-17MTSISale200 @ $239.83$48K−0.4% of holding54,504Form 4
2026-02-17MTSISale200 @ $236.42$47K−0.4% of holding55,504Form 4
2026-02-17MTSISale133 @ $243.38$32K−0.3% of holding52,148Form 4
2025-11-10MTSISale972 @ $175.63$171K−1.7% of holding55,640Form 4
2025-11-07MTSISale4,961 @ $169.91$843K−8.0% of holding57,387Form 4
2025-11-07MTSISale3,020 @ $168.81$510K−4.6% of holding62,348Form 4
2025-11-07MTSISale2,826 @ $167.93$475K−4.1% of holding65,368Form 4
2025-11-07MTSISale2,758 @ $165.68$457K−3.8% of holding70,039Form 4
2025-11-07MTSISale2,496 @ $164.58$411K−3.3% of holding72,797Form 4
2025-11-07MTSISale1,845 @ $166.93$308K−2.6% of holding68,194Form 4
2025-11-07MTSISale600 @ $163.65$98K−0.8% of holding75,293Form 4
2025-10-28MTSISale797 @ $145.10$116K−1.8% of holding44,280Form 4
2025-10-28MTSISale700 @ $146.01$102K−1.6% of holding43,580Form 4
2025-08-08MTSISale1,000 @ $123.40$123K−2.1% of holding46,128Form 4
2025-05-29MTSISale2,250 @ $125.65$283K−4.6% of holding47,128Form 4
2025-01-02MTSISale1,425 @ $129.65$185K−2.8% of holding50,064Form 4
2025-01-02MTSISale800 @ $130.81$105K−1.6% of holding49,264Form 4
2025-01-02MTSISale25 @ $132.34$3K−0.1% of holding49,239Form 4
2024-11-08MTSISale568 @ $137.27$78K−0.8% of holding71,363Form 4
2024-11-08MTSISale388 @ $137.94$54K−0.5% of holding70,975Form 4
2024-11-08MTSISale100 @ $138.95$14K−0.1% of holding70,875Form 4
12 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-15MTSIAward / grant10848,616Form 4
2025-11-14MTSIAward / grant6455,704Form 4
2025-11-08MTSIWithheld for tax77556,612Form 4
2025-11-06MTSIWithheld for tax22,08175,893Form 4
2025-11-06MTSIAward / grant50,40097,974Form 4
2025-10-28MTSIAward / grant3,99447,574Form 4
2025-10-27MTSIWithheld for tax62345,077Form 4
2025-10-23MTSIWithheld for tax42845,700Form 4
2025-05-16MTSIAward / grant13949,378Form 4
2024-11-08MTSIWithheld for tax77571,931Form 4
2024-11-07MTSIWithheld for tax19,73572,706Form 4
2024-11-07MTSIAward / grant45,22092,441Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.