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SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
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© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Insiders/van Niekerk Teresa

van Niekerk Teresa

Officer

Officer

Total trades

15

Bought (open market)

$0

Sold (open market)

$467K

Tickers traded

1

Recent trades

Most recent Form 4 filings by van Niekerk Teresa.

van Niekerk Teresagranted9 shares ofALSNat $0Dec 5, 2025 · filed Dec 9, 2025Details
van Niekerk Teresagranted10 shares ofALSNat $0Aug 29, 2025 · filed Sep 3, 2025Details
van Niekerk Teresagranted16 shares ofALSNat $0Mar 15, 2024 · filed Mar 19, 2024Details

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Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician-Insider Overlap

van Niekerk Teresatax-withheld1,282 shares ofALSNat $75.59$97KFeb 28, 2024 · filed Mar 1, 2024Details

van Niekerk Teresaexercised4,498 shares ofALSNFeb 28, 2024 · filed Mar 1, 2024Details

van Niekerk Teresasold6,241 shares ofALSNat $74.872$467KFeb 26, 2024 · filed Feb 27, 2024Details

van Niekerk Teresaexercised2,886 shares ofALSNat $47.35$137KFeb 26, 2024 · filed Feb 27, 2024Details

van Niekerk Teresaexercised3,302 shares ofALSNat $39.42$130KFeb 26, 2024 · filed Feb 27, 2024Details

van Niekerk Teresaexercised2,761 shares ofALSNat $43.13$119KFeb 26, 2024 · filed Feb 27, 2024Details

van Niekerk Teresaexercised42 shares ofALSNFeb 23, 2024 · filed Feb 27, 2024Details

van Niekerk Teresatax-withheld324 shares ofALSNat $74.63$24KFeb 23, 2024 · filed Feb 27, 2024Details

van Niekerk Teresaexercised1,101 shares ofALSNFeb 23, 2024 · filed Feb 27, 2024Details

van Niekerk Teresatax-withheld320 shares ofALSNat $73.39$23KFeb 22, 2024 · filed Feb 23, 2024Details

van Niekerk Teresaexercised17 shares ofALSNFeb 22, 2024 · filed Feb 23, 2024Details

van Niekerk Teresaexercised962 shares ofALSNFeb 22, 2024 · filed Feb 23, 2024Details

van Niekerk Teresagranted2,208 shares ofALSNat $0Feb 21, 2024 · filed Feb 23, 2024Details

van Niekerk Teresagranted6,625 shares ofALSNat $0Feb 21, 2024 · filed Feb 23, 2024Details

van Niekerk Teresagranted4,498 shares ofALSNat $0Feb 12, 2024 · filed Feb 13, 2024Details

van Niekerk Teresaexercised920 shares ofALSNFeb 10, 2024 · filed Feb 13, 2024Details

van Niekerk Teresatax-withheld329 shares ofALSNat $61.7$20KFeb 10, 2024 · filed Feb 13, 2024Details