Curtis J. Zimmermann, Chief Legal Counsel of Forge Nano Holdings, Inc., filed a Form 4 on October 26, 2026, disclosing the acquisition of multiple stock options and performance stock units on October 22, 2026, in connection with the company's business combination with Archimedes Tech SPAC Partners II Co.

Key Highlights

  • Six stock option grants acquired: Zimmermann reported acquisition of stock options covering 308,608, 26,358, 19,946, 170,603, 12,823, and 25,361 shares of common stock, at exercise prices ranging from $0.56 to $2.94, all dated October 22, 2026.
  • Converted from prior plan: The stock options at $0.56 and $0.56, $1.03, $1.33, $2.94 (two tranches) were originally granted under the 2017 Equity Incentive Plan of Forge Nano, Inc. and converted into options exercisable for shares of the Issuer's common stock in connection with the Business Combination.
  • Two PSU grants totaling 422,777 units: Zimmermann acquired 321,601 and 101,176 performance stock units, each representing the right to receive one share of common stock, expiring October 22, 2031.
  • PSU vesting tied to stock price and revenue thresholds: Each PSU grant vests in thirds upon VWAP of common stock reaching $15.00, $20.00, or $25.00 over any 30 trading day period, or trailing twelve-month revenue reaching $400,000,000, $600,000,000, or $800,000,000, respectively.
  • Business Combination basis: The securities were reported as acquired pursuant to the Agreement and Plan of Merger dated April 20, 2026, among Archimedes Tech SPAC Partners II Co., the Issuer (formerly ATII Holdings Inc.), ATII Merger Sub Inc., ATII Merger Sub II, LLC, and Forge Nano.
  • All holdings are direct: All reported derivative securities are held directly by the reporting person.

Zimmermann's Security Holdings After Forge Nano's Business Combination Closing

According to the filing, Curtis J. Zimmermann, serving as Chief Legal Counsel of Forge Nano Holdings, Inc. (NASDAQ:NANO), reported the acquisition of six tranches of stock options and two grants of performance stock units, all with a transaction date of October 22, 2026. The filing states that the stock options were converted from grants originally made under the 2017 Equity Incentive Plan of Forge Nano, Inc., and became exercisable for shares of the Issuer's common stock following the closing of the Business Combination.

The six option tranches carry exercise prices of $0.56 (308,608 shares, expiring January 11, 2032), $0.56 (26,358 shares, expiring April 25, 2032), $1.03 (19,946 shares, expiring March 31, 2034), $1.33 (170,603 shares, expiring December 11, 2034), $2.94 (12,823 shares, expiring October 23, 2035), and $2.94 (25,361 shares, expiring March 29, 2036). According to the filing, vesting schedules vary by tranche: for the $1.03 options, 25% vested April 1, 2025, with the remaining 75% vesting in 36 substantially equal monthly installments thereafter; for the $1.33 options, 25% vested December 12, 2025, on the same schedule; for the first $2.94 tranche, 25% vested October 1, 2026; and for the second $2.94 tranche, 25% will vest March 31, 2027.

The two performance stock unit grants, totaling 422,777 units, were described by the filing as granted to holders of Forge Nano stock options in connection with the Business Combination. The filing discloses that one set of 321,601 PSUs is not expressly conditioned on continued service, while the 101,176-unit grant requires the reporting person's continued service through each vesting event. Both grants share identical VWAP and revenue-based vesting conditions across three equal tranches tied to $15.00, $20.00, and $25.00 per-share thresholds or revenue levels of $400,000,000, $600,000,000, and $800,000,000, respectively.

What Was Disclosed

The filing discloses the acquisition by Chief Legal Counsel Curtis J. Zimmermann of six stock option tranches and two performance stock unit grants in Forge Nano Holdings, Inc., all dated October 22, 2026, and all arising from the company's merger-based business combination closed under a merger agreement dated April 20, 2026.