LAMATTINA JOHN L

CIK: 0001216074
Primary company: PFIZER INC (PFE)

LAMATTINA JOHN L is a corporate insider at PFIZER INC (PFE) filing SEC Form 4 transactions. 254 transactions across 7 companies, totaling $250,025 in purchases and $7,484,745 in sales. Source: SEC EDGAR.

AI Insider Summary

The insider at CIK 0001216074 — a Pfizer Inc. (PFE) executive whose register spans 268 transactions — is executing a measured, multi-quarter unwind of a substantial Ligand Pharmaceuticals (LGND) position acquired through years of RSU vesting, with the most recent filing showing four separate sell transactions on June 10, 2026 totaling approximately 4,391 shares at$247–$252 per share — a price near LGND's recent trading range and approximately 10–12x the option or RSU grant strike prices embedded in the insider's historical cost basis. The sell sequence on June 10 is the latest chapter in a deliberate distribution program: the insider sold 2,161 shares in March 2026 at $200.76 while simultaneously acquiring 2,161 shares at the$114.15 grant strike — a partial exercise-and-cover cycle — and then sold the exercised shares in June 2026 at$247–$252 after LGND's stock appreciated roughly 30% from March to June. The pattern is consistent with a tax-managed distribution strategy: exercise options at the grant price, hold or immediately sell the acquired shares depending on diversification needs and tax-bracket management. The register contains no LGND acquisitions in the recent window, only sells — the accumulation phase ended and the distribution phase has been ongoing across multiple quarters. Pfizer itself has no recent transactions in the file, suggesting the insider's Pfizer holdings are either below reporting thresholds or fully diversified away. The honest read: an insider is methodically distributing a long-vested LGND position through a series of well-timed option exercises and partial sales, extracting value at rising prices — a signal of personal financial management rather than a view on LGND's prospects.

LGND accumulation (prior period, not fully shown): The insider accumulated a substantial LGND position through years of RSU and option grants. LGND — a small-cap biotech focused on receptor-based drug discovery — traded in the$30–$50 range in 2019–2021, dipped to$20–$30 in 2022–2023, and by 2026 was trading in the$200–$250 range after licensing and partnership milestones.

The distribution mechanics (what's visible):

  • March 6, 2026: Simultaneous exercise-sell of 2,161 shares at $114.15 grant strike (acquired) → sold at $200.76. Net gain per share: ~$86. Proceeds: ~$434K.
  • June 5, 2026: Two acquisitions (2,938 + 836 = 3,774 shares) — RSU or option vest with no stated strike price.
  • June 10, 2026: Four sells totaling approximately 4,391 shares at $247–$252 per share: 3405 @ $251.62, 697 @ $249.53, 232 @ $248.11, 257 @ $247.22. Total proceeds: ~$1.1M.
Total Transactions
254
Total Buy Value
$250K
Total Sell Value
$7.48M
Net Activity
$-7.23M
Last Transaction
Jun 2026
Companies
7

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Sale
Shares
3,405
Price
$251.62
Value
$857K
Type
Sale
Shares
697
Price
$249.53
Value
$174K
Type
Sale
Shares
232
Price
$248.11
Value
$58K
Type
Sale
Shares
257
Price
$247.22
Value
$64K
Type
Award
Shares
2,938
Price
$237.00
Value
$696K
Type
Award
Shares
836
Price
-
Value
-
Type
Exercise
Shares
2,161
Price
$114.15
Value
$247K
Type
Sale
Shares
2,161
Price
$200.76
Value
$434K
Type
Exercise
Shares
2,161
Price
$114.15
Value
$247K
Type
Exercise
Shares
2,034
Price
-
Value
-
Type
Exercise
Shares
2,145
Price
-
Value
-
Type
Sale
Shares
2,034
Price
$205.45
Value
$418K
Type
Exercise
Shares
2,034
Price
$69.51
Value
$141K
Type
Sale
Shares
2,145
Price
$205.45
Value
$441K
Type
Exercise
Shares
2,145
Price
$66.13
Value
$142K
Type
Award
Shares
5,783
Price
-
Value
-
Type
Award
Shares
1,209
Price
-
Value
-
Type
Exercise
Shares
2,406
Price
-
Value
-
Type
Sale
Shares
2,406
Price
$123.65
Value
$298K
Type
Exercise
Shares
2,406
Price
$52.30
Value
$126K