Sullivan Don

Officer · CSW, CSWI

As of 2026-09-16, Sullivan Don has 49 Form 4 transactions on record across 2 companies — 8 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: $12.1MIndirect: $0$12.1Mas of 2026-09-16
  • Direct $12.1M
  • Indirect $0
CSWIdirect23,708 sh$7.2M
CSWdirect17,041 sh$4.9M

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

CSWI · 40 trades
2025-07-15: Sale, 294 sh ($88K)2025-07-15: Sale, 226 sh ($68K)2025-07-15: Sale, 179 sh ($54K)2025-07-15: Sale, 126 sh ($38K)2025-07-15: Sale, 100 sh ($31K)2025-07-15: Sale, 75 sh ($23K)2025-06-16: Sale, 509 sh ($148K)2025-06-16: Sale, 464 sh ($136K)2025-06-16: Sale, 121 sh ($35K)2025-06-16: Sale, 76 sh ($22K)2025-06-16: Sale, 62 sh ($18K)2025-06-16: Sale, 49 sh ($14K)2025-05-15: Sale, 756 sh ($252K)2025-05-15: Sale, 344 sh ($114K)2025-05-15: Sale, 300 sh ($99K)2025-05-15: Sale, 70 sh ($23K)2025-05-15: Sale, 30 sh ($10K)2025-05-07: Award / grant, 1,411 sh ($0)2025-04-15: Sale, 1,150 sh ($341K)2025-04-15: Sale, 271 sh ($80K)2025-04-15: Sale, 79 sh ($24K)2025-04-02: Withheld for tax, 2,700 sh ($799K)2025-04-02: Option exercise, 3,369 sh ($0)2025-04-02: Option exercise, 6,836 sh ($0)2025-03-17: Sale, 864 sh ($252K)2025-03-17: Sale, 777 sh ($226K)2025-03-17: Sale, 332 sh ($97K)2025-03-17: Sale, 209 sh ($61K)2025-03-17: Sale, 40 sh ($12K)2025-02-18: Sale, 622 sh ($200K)2025-02-18: Sale, 607 sh ($194K)2025-02-18: Sale, 400 sh ($127K)2025-02-18: Sale, 300 sh ($97K)2025-01-15: Sale, 504 sh ($190K)2025-01-15: Sale, 462 sh ($176K)2025-01-15: Sale, 324 sh ($123K)2025-01-15: Sale, 245 sh ($92K)2025-01-15: Sale, 200 sh ($76K)2025-01-15: Sale, 65 sh ($24K)2024-12-16: Sale, 1,965 sh ($761K)
CSW · 9 trades
2026-08-05: Sale, 4,526 sh ($1.6M)2026-04-15: Sale, 166 sh ($50K)2026-04-02: Withheld for tax, 2,333 sh ($607K)2026-04-02: Option exercise, 3,037 sh ($0)2026-04-02: Option exercise, 5,870 sh ($0)2025-12-08: Sale, 4,136 sh ($1.2M)2025-10-01: Withheld for tax, 1,069 sh ($270K)2025-10-01: Award / grant, 760 sh ($0)2025-08-14: Sale, 1,067 sh ($302K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-05CSWSale4,526 @ $343.75$1.6M−21.0% of holding17,041Form 4
2026-04-15CSWSale166 @ $300.26$50K−0.8% of holding21,567Form 4
2025-12-08CSWSale4,136 @ $301.41$1.2M−18.5% of holding18,196Form 4
2025-08-14CSWSale1,067 @ $283.14$302K−4.5% of holding22,641Form 4
2025-07-15CSWISale294 @ $299.98$88K−1.2% of holding24,188Form 4
2025-07-15CSWISale226 @ $298.94$68K−0.9% of holding24,482Form 4
2025-07-15CSWISale179 @ $301.01$54K−0.7% of holding24,009Form 4
2025-07-15CSWISale126 @ $302.44$38K−0.5% of holding23,883Form 4
2025-07-15CSWISale100 @ $305.16$31K−0.4% of holding23,708Form 4
2025-07-15CSWISale75 @ $303.87$23K−0.3% of holding23,808Form 4
2025-06-16CSWISale509 @ $290.12$148K−2.0% of holding25,355Form 4
2025-06-16CSWISale464 @ $292.48$136K−1.8% of holding24,770Form 4
2025-06-16CSWISale121 @ $291.17$35K−0.5% of holding25,234Form 4
2025-06-16CSWISale76 @ $287.49$22K−0.3% of holding25,913Form 4
2025-06-16CSWISale62 @ $293.60$18K−0.3% of holding24,708Form 4
2025-06-16CSWISale49 @ $288.78$14K−0.2% of holding25,864Form 4
2025-05-15CSWISale756 @ $332.79$252K−2.8% of holding26,089Form 4
2025-05-15CSWISale344 @ $331.72$114K−1.3% of holding26,845Form 4
2025-05-15CSWISale300 @ $330.15$99K−1.1% of holding27,189Form 4
2025-05-15CSWISale70 @ $334.70$23K−0.3% of holding26,019Form 4
2025-05-15CSWISale30 @ $335.51$10K−0.1% of holding25,989Form 4
2025-04-15CSWISale1,150 @ $296.58$341K−4.0% of holding27,568Form 4
2025-04-15CSWISale271 @ $295.14$80K−0.9% of holding28,718Form 4
2025-04-15CSWISale79 @ $298.99$24K−0.3% of holding27,489Form 4
2025-03-17CSWISale864 @ $292.01$252K−3.3% of holding25,434Form 4
2025-03-17CSWISale777 @ $291.18$226K−2.9% of holding26,298Form 4
2025-03-17CSWISale332 @ $293.11$97K−1.3% of holding25,102Form 4
2025-03-17CSWISale209 @ $294.01$61K−0.8% of holding24,893Form 4
2025-03-17CSWISale40 @ $294.82$12K−0.2% of holding24,853Form 4
2025-02-18CSWISale622 @ $320.77$200K−2.2% of holding27,375Form 4
2025-02-18CSWISale607 @ $319.97$194K−2.1% of holding27,997Form 4
2025-02-18CSWISale400 @ $317.98$127K−1.4% of holding28,604Form 4
2025-02-18CSWISale300 @ $323.55$97K−1.1% of holding27,075Form 4
2025-01-15CSWISale504 @ $376.47$190K−1.7% of holding29,990Form 4
2025-01-15CSWISale462 @ $379.96$176K−1.6% of holding29,004Form 4
2025-01-15CSWISale324 @ $378.78$123K−1.1% of holding29,466Form 4
2025-01-15CSWISale245 @ $374.87$92K−0.8% of holding30,494Form 4
2025-01-15CSWISale200 @ $377.58$76K−0.7% of holding29,790Form 4
2025-01-15CSWISale65 @ $373.64$24K−0.2% of holding30,739Form 4
2024-12-16CSWISale1,965 @ $387.15$761K−6.0% of holding30,804Form 4
9 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-04-02CSWWithheld for tax2,33321,733Form 4
2026-04-02CSWOption exercise3,0370Form 4
2026-04-02CSWOption exercise5,87024,066Form 4
2025-10-01CSWWithheld for tax1,06922,332Form 4
2025-10-01CSWAward / grant76023,401Form 4
2025-05-07CSWIAward / grant1,4111,411Form 4
2025-04-02CSWIWithheld for tax2,70028,989Form 4
2025-04-02CSWIOption exercise3,3690Form 4
2025-04-02CSWIOption exercise6,83631,689Form 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.