Every Form 4 that CSP Inc. (CSPI) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow CSPI and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full CSPI filings page.
CSP INC (CSPI) reported that stockholder Joseph R. Nerges, a ten percent owner, made a series of open-market purchases of CSPI Common Stock between September 11 and September 15, 2026, totaling 4,600 shares at prices between $7.75 and $7.96 per share. The shares are held directly, no Rule 10b5-1 trading plan is reported, and a prior confidentiality agreement with CSP Inc. dated October 8, 2024 is noted.
CSP Inc. CFO and Secretary Gary W. Levine acquired 259 shares of Common Stock on July 31, 2026 at $7.515 per share. The shares were purchased under the company’s 2024 Employee Stock Purchase Plan and are held directly. After this transaction he owns 216,619 shares.
CSP Inc. ten percent owner Joseph R. Nerges reported a series of open-market purchases of the company’s Common Stock. Across seven non-derivative transactions from June 8–10, 2026, he bought a total of 3,370 shares at prices ranging from $8.049 to $8.75 per share. Following these purchases, his directly held position in CSP Inc. increased to 1,418,900 shares of Common Stock.
CSPi director Anthony Folger bought additional company stock in the open market. On this Form 4, he purchased 2,500 shares of Common Stock at a price of $9.358 per share. After this transaction, he directly owns 12,500 shares of CSPi common stock.
CSP Inc. director Ismail Azeri reported buying a total of 2,500 shares of the company’s Common Stock in open-market purchases. He bought 2,282 shares on May 12 at $9.38 per share and 218 shares on May 13 at $9.41 per share. Following these transactions, he directly owns 108,490 shares of CSP Inc. common stock.
CSP Inc. ten percent owner Joseph R. Nerges reported open-market purchases of a total of 4,248 shares of CSPI common stock over several transactions on May 11–13, 2026. The reported trade prices ranged from $9.15 to $9.30 per share. Following these purchases, he directly owns 1,415,530 common shares.
CSP Inc. director Stephen J. Webber reported an open-market purchase of the company’s common stock. On May 12, 2026, he bought 2,500 shares at $9.48 per share. After this transaction, he directly holds 12,500 common shares, indicating a modest increase in his personal investment in the company.
Azeri Ismail reported acquisition or exercise transactions in this Form 4 filing.
CSP Inc. director Ismail Azeri received a grant of 5,000 shares of Common Stock. The award was recorded at a price of $0.00 per share, indicating it was a compensation-related grant rather than a market purchase. Following this transaction, Azeri directly owns 105,990 shares of CSP Inc. common stock.
Webber Stephen J. reported acquisition or exercise transactions in this Form 4 filing.
CSP Inc. director Stephen J. Webber reported an equity grant of common stock. He received 10,000 shares of CSP Inc. common stock on a grant or award basis at $0.00 per share, indicating a compensation-related award rather than an open-market purchase. Following this transaction, his direct holdings total 10,000 common shares.
FOLGER ANTHONY reported acquisition or exercise transactions in this Form 4 filing.
CSP Inc. director Anthony Folger received a grant of 10,000 shares of Common Stock. The award was recorded at a price of $0.00 per share on March 27, 2026, and brought his directly held position to 10,000 shares. This is a compensation-related equity grant rather than an open-market purchase.
CSP Inc. reported that Gary Southwell, President of ARIA Cybersecurity, received a grant of 15,000 shares of common stock on March 27, 2026. The shares were awarded at a stated price of $0.00 per share, reflecting a compensation-related grant rather than a market purchase.
After this award, Southwell directly owns 135,222 shares of CSP Inc. common stock. The filing classifies the transaction as a non-derivative "grant, award, or other acquisition" of common stock.
CSP Inc. President and CEO Victor Dellovo received a grant of 35,000 shares of Common Stock. The shares were acquired on a non-cash basis at a reported price of $0.00 per share as a grant or award, rather than an open-market purchase. Following this compensation-related transaction, Dellovo directly holds a total of 866,860 shares of CSP Inc. common stock.
LEVINE GARY W reported acquisition or exercise transactions in this Form 4 filing.
CSP Inc. CEO and Secretary Gary W. Levine received a grant of 8,500 shares of Common Stock of CSPI. The award was recorded at a price of $0.00 per share, indicating a stock grant rather than an open-market purchase. Following this grant, Levine directly holds 216,360 shares of CSPI common stock.
CSP Inc. ten percent owner Joseph R. Nerges increased his stake through a series of open-market purchases of Common Stock. On March 11–13, 2026, he bought a total of 2,207 shares at prices between $8.45 and $8.59 per share. Following these transactions, he directly owns 1,411,282 shares of CSP Inc. common stock.
CSP Inc. ten percent owner Joseph R. Nerges increased his direct stake through multiple open-market purchases of common stock. On February 24–25, he bought a combined 3,000 shares at prices around $8.69–$8.95 per share, bringing his direct holdings to 1,409,075 shares after the reported transactions.
CSP Inc. 10% owner Joseph R. Nerges reported open-market purchases of a total of 11,012 shares of common stock over February 17–19, 2026. These trades were all coded as purchases in non-derivative securities.
Reported transaction prices ranged from $9.12 to $9.32 per share. Following the most recent purchase, Nerges directly owned 1,406,075 CSP Inc. common shares.