Wassenaar Yvonne

Director · RBRK, ANET, BRZE, FROG

As of 2026-09-16, Wassenaar Yvonne has 97 Form 4 transactions on record across 4 companies — 51 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 September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $5.9MIndirect: $0$5.9Mas of 2026-09-16
  • Direct $5.9M
  • Indirect $0
RBRKdirect32,603 sh$3.4M
FROGdirect18,031 sh$1.7M
BRZEdirect18,513 sh$460K
ANETdirect1,615 sh$319K

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

ANET · 46 trades
2026-08-20: Option exercise, 538 sh ($0)2026-08-20: Option exercise, 538 sh ($0)2026-05-29: Award / grant, 2,153 sh ($0)2026-05-20: Sale, 329 sh ($46K)2026-05-20: Sale, 324 sh ($45K)2026-05-20: Sale, 242 sh ($34K)2026-05-20: Sale, 76 sh ($11K)2026-05-20: Option exercise, 971 sh ($0)2026-05-20: Option exercise, 971 sh ($0)2026-04-15: Sale, 607 sh ($93K)2026-04-15: Sale, 414 sh ($63K)2026-04-15: Sale, 290 sh ($45K)2026-04-15: Sale, 78 sh ($12K)2026-04-15: Sale, 6 sh ($928)2026-03-16: Sale, 539 sh ($73K)2026-03-16: Sale, 360 sh ($48K)2026-03-16: Sale, 264 sh ($35K)2026-03-16: Sale, 232 sh ($31K)2026-02-25: Sale, 835 sh ($111K)2026-02-25: Sale, 504 sh ($67K)2026-02-25: Sale, 357 sh ($47K)2026-02-25: Sale, 70 sh ($9K)2026-02-25: Sale, 49 sh ($6K)2026-02-20: Option exercise, 971 sh ($0)2026-02-20: Option exercise, 971 sh ($0)2025-11-20: Option exercise, 971 sh ($0)2025-11-20: Option exercise, 971 sh ($0)2025-08-20: Option exercise, 971 sh ($0)2025-08-20: Option exercise, 971 sh ($0)2025-08-19: Gift, 1,000 sh ($0)2025-05-30: Award / grant, 3,884 sh ($0)2025-05-21: Sale, 87 sh ($8K)2025-05-21: Sale, 55 sh ($5K)2025-05-21: Sale, 24 sh ($2K)2025-05-21: Sale, 2 sh ($191)2025-05-20: Option exercise, 844 sh ($0)2025-05-20: Option exercise, 844 sh ($0)2025-05-12: Gift, 2,304 sh ($0)2025-02-21: Sale, 88 sh ($9K)2025-02-21: Sale, 46 sh ($5K)2025-02-21: Sale, 34 sh ($4K)2025-02-20: Option exercise, 844 sh ($0)2025-02-20: Option exercise, 844 sh ($0)2025-01-21: Sale, 97 sh ($12K)2025-01-21: Sale, 69 sh ($8K)2025-01-21: Sale, 2 sh ($244)
RBRK · 37 trades
2026-09-03: Sale, 721 sh ($65K)2026-09-03: Conversion, 513 sh ($0)2026-09-03: Conversion, 513 sh ($0)2026-08-03: Sale, 721 sh ($54K)2026-07-01: Sale, 721 sh ($59K)2026-06-23: Sale, 676 sh ($51K)2026-06-03: Sale, 721 sh ($58K)2026-06-03: Conversion, 721 sh ($0)2026-06-03: Conversion, 721 sh ($0)2026-06-03: Award / grant, 3,709 sh ($0)2026-05-29: Sale, 2,838 sh ($213K)2026-05-29: Conversion, 2,163 sh ($0)2026-05-29: Conversion, 2,163 sh ($0)2026-01-15: Award / grant, 146 sh ($0)2025-07-03: Sale, 1,100 sh ($98K)2025-07-03: Sale, 600 sh ($53K)2025-07-03: Sale, 300 sh ($26K)2025-07-03: Conversion, 2,000 sh ($0)2025-07-03: Conversion, 2,000 sh ($0)2025-06-25: Award / grant, 2,702 sh ($0)2025-06-03: Sale, 2,000 sh ($200K)2025-06-03: Conversion, 2,000 sh ($0)2025-06-03: Conversion, 2,000 sh ($0)2025-05-05: Sale, 2,000 sh ($144K)2025-05-05: Conversion, 2,000 sh ($0)2025-05-05: Conversion, 2,000 sh ($0)2025-03-18: Sale, 2,400 sh ($168K)2025-03-18: Sale, 600 sh ($42K)2025-03-18: Conversion, 3,000 sh ($0)2025-03-18: Conversion, 3,000 sh ($0)2025-02-18: Sale, 1,320 sh ($102K)2025-02-18: Sale, 980 sh ($76K)2025-02-18: Sale, 200 sh ($15K)2025-02-18: Conversion, 2,500 sh ($0)2025-02-18: Conversion, 2,500 sh ($0)2024-12-17: Option exercise, 16,668 sh ($0)2024-12-17: Option exercise, 16,668 sh ($0)
FROG · 12 trades
2026-06-09: Gift, 3,913 sh ($0)2026-05-22: Sale, 1,368 sh ($99K)2026-05-21: Award / grant, 4,427 sh ($0)2026-02-24: Sale, 1,367 sh ($48K)2026-01-06: Sale, 1,957 sh ($115K)2025-12-02: Sale, 1,368 sh ($82K)2025-11-12: Gift, 5,487 sh ($0)2025-10-20: Sale, 1,372 sh ($66K)2025-09-30: Sale, 1,372 sh ($68K)2025-08-28: Sale, 1,368 sh ($67K)2025-05-21: Award / grant, 5,471 sh ($0)2025-02-28: Gift, 1,372 sh ($0)
BRZE · 2 trades
2026-06-30: Award / grant, 7,753 sh ($0)2025-06-26: Award / grant, 5,033 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-03RBRKSale721 @ $89.52$65K−16.3% of holding3,709Form 4
2026-08-03RBRKSale721 @ $75.00$54K−15.5% of holding3,917Form 4
2026-07-01RBRKSale721 @ $81.57$59K−13.5% of holding4,638Form 4
2026-06-23RBRKSale676 @ $75.00$51K−11.2% of holding5,359Form 4
2026-06-03RBRKSale721 @ $80.73$58K−23.7% of holding2,326Form 4
2026-05-29RBRKSale2,838 @ $75.00$213K−55.0% of holding2,326Form 4
2026-05-22FROGSale1,368 @ $72.40$99K−5.9% of holding21,944Form 4
2026-05-20ANETSale329 @ $140.86$46K−3.2% of holding10,102Form 4
2026-05-20ANETSale324 @ $139.89$45K−3.0% of holding10,431Form 4
2026-05-20ANETSale242 @ $141.89$34K−2.4% of holding9,860Form 4
2026-05-20ANETSale76 @ $142.62$11K−0.8% of holding9,784Form 4
2026-04-15ANETSale607 @ $153.35$93K−5.7% of holding10,080Form 4
2026-04-15ANETSale414 @ $152.31$63K−3.7% of holding10,687Form 4
2026-04-15ANETSale290 @ $154.07$45K−2.9% of holding9,790Form 4
2026-04-15ANETSale78 @ $151.07$12K−0.7% of holding11,101Form 4
2026-04-15ANETSale6 @ $154.72$928−0.1% of holding9,784Form 4
2026-03-16ANETSale539 @ $135.54$73K−4.6% of holding11,179Form 4
2026-03-16ANETSale360 @ $133.55$48K−2.9% of holding11,950Form 4
2026-03-16ANETSale264 @ $132.69$35K−2.1% of holding12,310Form 4
2026-03-16ANETSale232 @ $134.65$31K−1.9% of holding11,718Form 4
2026-02-25ANETSale835 @ $132.66$111K−6.0% of holding13,078Form 4
2026-02-25ANETSale504 @ $133.35$67K−3.9% of holding12,574Form 4
2026-02-25ANETSale357 @ $131.56$47K−2.5% of holding13,913Form 4
2026-02-25ANETSale70 @ $129.41$9K−0.5% of holding14,319Form 4
2026-02-25ANETSale49 @ $130.12$6K−0.3% of holding14,270Form 4
2026-02-24FROGSale1,367 @ $34.79$48K−6.7% of holding18,885Form 4
2026-01-06FROGSale1,957 @ $58.70$115K−8.7% of holding20,495Form 4
2025-12-02FROGSale1,368 @ $60.09$82K−5.7% of holding22,452Form 4
2025-10-20FROGSale1,372 @ $47.94$66K−4.5% of holding29,307Form 4
2025-09-30FROGSale1,372 @ $49.90$68K−4.3% of holding30,679Form 4
2025-08-28FROGSale1,368 @ $49.00$67K−4.1% of holding32,051Form 4
2025-07-03RBRKSale1,100 @ $88.86$98K−27.8% of holding2,855Form 4
2025-07-03RBRKSale600 @ $87.80$53K−13.2% of holding3,955Form 4
2025-07-03RBRKSale300 @ $86.62$26K−6.2% of holding4,555Form 4
2025-06-03RBRKSale2,000 @ $99.98$200K−92.9% of holding153Form 4
2025-05-21ANETSale87 @ $94.85$8K−0.7% of holding12,478Form 4
2025-05-21ANETSale55 @ $93.80$5K−0.4% of holding12,565Form 4
2025-05-21ANETSale24 @ $92.68$2K−0.2% of holding12,620Form 4
2025-05-21ANETSale2 @ $95.34$191−0.0% of holding12,476Form 4
2025-05-05RBRKSale2,000 @ $72.24$144K−92.9% of holding153Form 4
2025-03-18RBRKSale2,400 @ $69.94$168K−76.1% of holding753Form 4
2025-03-18RBRKSale600 @ $70.40$42K−79.7% of holding153Form 4
2025-02-21ANETSale88 @ $101.89$9K−0.6% of holding14,184Form 4
2025-02-21ANETSale46 @ $102.94$5K−0.3% of holding14,138Form 4
2025-02-21ANETSale34 @ $103.89$4K−0.2% of holding14,104Form 4
2025-02-18RBRKSale1,320 @ $77.11$102K−53.8% of holding1,133Form 4
2025-02-18RBRKSale980 @ $77.93$76K−86.5% of holding153Form 4
2025-02-18RBRKSale200 @ $75.65$15K−7.5% of holding2,453Form 4
2025-01-21ANETSale97 @ $121.49$12K−0.7% of holding13,430Form 4
2025-01-21ANETSale69 @ $120.33$8K−0.5% of holding13,527Form 4
2025-01-21ANETSale2 @ $121.79$244−0.0% of holding13,428Form 4
46 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-03RBRKConversion51332,603Form 4
2026-09-03RBRKConversion5134,430Form 4
2026-08-20ANETOption exercise5381,615Form 4
2026-08-20ANETOption exercise53810,322Form 4
2026-06-30BRZEAward / grant7,75318,513Form 4
2026-06-09FROGGift3,91318,031Form 4
2026-06-03RBRKConversion7213,047Form 4
2026-06-03RBRKConversion72133,116Form 4
2026-06-03RBRKAward / grant3,7096,035Form 4
2026-05-29RBRKConversion2,1635,164Form 4
2026-05-29RBRKConversion2,16333,837Form 4
2026-05-29ANETAward / grant2,1532,153Form 4
2026-05-21FROGAward / grant4,42723,312Form 4
2026-05-20ANETOption exercise97110,755Form 4
2026-05-20ANETOption exercise9710Form 4
2026-02-20ANETOption exercise97114,389Form 4
2026-02-20ANETOption exercise971971Form 4
2026-01-15RBRKAward / grant1463,001Form 4
2025-11-20ANETOption exercise97113,418Form 4
2025-11-20ANETOption exercise9711,942Form 4
2025-11-12FROGGift5,48723,820Form 4
2025-08-20ANETOption exercise9712,913Form 4
2025-08-20ANETOption exercise97112,447Form 4
2025-08-19ANETGift1,00011,476Form 4
2025-07-03RBRKConversion2,0004,855Form 4
2025-07-03RBRKConversion2,00036,000Form 4
2025-06-26BRZEAward / grant5,03310,760Form 4
2025-06-25RBRKAward / grant2,7022,855Form 4
2025-06-03RBRKConversion2,0002,153Form 4
2025-06-03RBRKConversion2,00038,000Form 4
2025-05-30ANETAward / grant3,8843,884Form 4
2025-05-21FROGAward / grant5,47133,419Form 4
2025-05-20ANETOption exercise84412,644Form 4
2025-05-20ANETOption exercise8440Form 4
2025-05-12ANETGift2,30411,800Form 4
2025-05-05RBRKConversion2,00040,000Form 4
2025-05-05RBRKConversion2,0002,153Form 4
2025-03-18RBRKConversion3,0003,153Form 4
2025-03-18RBRKConversion3,00042,000Form 4
2025-02-28FROGGift1,37227,705Form 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.