BOSTROM SUSAN L

Director · GTLB, NOW, IOT

As of 2026-09-16, BOSTROM SUSAN L has 16 Form 4 transactions on record across 3 companies — 10 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 March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $13.1MIndirect: $0$13.1Mas of 2026-09-16
  • Direct $13.1M
  • Indirect $0
IOTdirect217,403 sh$8.8M
NOWdirect21,685 sh$3.0M
GTLBdirect24,874 sh$1.2M

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

GTLB · 13 trades
2026-06-17: Award / grant, 7,555 sh ($0)2026-03-27: Sale, 22,500 sh ($457K)2026-03-27: Sale, 10,000 sh ($205K)2025-12-09: Sale, 30,000 sh ($1.2M)2025-12-08: Sale, 15,000 sh ($596K)2025-12-08: Sale, 15,000 sh ($593K)2025-12-08: Sale, 15,000 sh ($593K)2025-12-08: Sale, 15,000 sh ($591K)2025-12-08: Sale, 10,000 sh ($395K)2025-06-20: Award / grant, 4,906 sh ($0)2025-03-19: Sale, 40,000 sh ($2.1M)2024-12-31: Sale, 20,000 sh ($1.1M)2024-12-24: Sale, 20,000 sh ($1.2M)
NOW · 2 trades
2026-05-21: Award / grant, 3,260 sh ($0)2025-05-22: Award / grant, 319 sh ($0)
IOT · 1 trade
2025-07-29: Award / grant, 6,371 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-03-27GTLBSale22,500 @ $20.32$457K−56.5% of holding17,319Form 4
2026-03-27GTLBSale10,000 @ $20.45$205K−20.1% of holding39,819Form 4
2025-12-09GTLBSale30,000 @ $39.25$1.2M−37.6% of holding49,819Form 4
2025-12-08GTLBSale15,000 @ $39.75$596K−12.0% of holding109,819Form 4
2025-12-08GTLBSale15,000 @ $39.55$593K−10.7% of holding124,819Form 4
2025-12-08GTLBSale15,000 @ $39.50$593K−15.8% of holding79,819Form 4
2025-12-08GTLBSale15,000 @ $39.42$591K−13.7% of holding94,819Form 4
2025-12-08GTLBSale10,000 @ $39.50$395K−6.7% of holding139,819Form 4
2025-03-19GTLBSale40,000 @ $51.88$2.1M−21.6% of holding144,913Form 4
2024-12-31GTLBSale20,000 @ $56.26$1.1M−9.8% of holding184,913Form 4
2024-12-24GTLBSale20,000 @ $60.19$1.2M−8.9% of holding204,913Form 4
5 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-17GTLBAward / grant7,55524,874Form 4
2026-05-21NOWAward / grant3,26021,685Form 4
2025-07-29IOTAward / grant6,371217,403Form 4
2025-06-20GTLBAward / grant4,906149,819Form 4
2025-05-22NOWAward / grant3193,685Form 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.